Catalog Tehnic UFH Unitati Comanda Cu Fir C35-33 Si Termostate

Uponor Control System,WiredInstallation Manual, UK, IRL

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Rober t Huber in t ie 3bP.O. Box 37FI-01511 VANTAA

+358 (0)20 129 211+358 (0)20 129 2841

I n k e e p i n g w i t h o u r p o l i c y o f c o n t i n u o u s i m p r o v e m e n t a n d d e v e l o p m e n t , U p o n o r r e s e r v e s t h e r i g h t t o c h a n g e s p e c i f i c a t i o n s w i t h o u t p r i o r n o t i c e .

Area managementUponor Hispania S .A.U.Cal le C , n° 24Pol ígono Industr ia l n°1E-28938 Mósto les (Madr id)

+34 91 685 3600+34 91 647 3245www.uponor.es

PO Box 101SE-730 61 Vi rsbo

+46 223 380 00+46 223 381 01

PO Box 1641 ( Industr iest rasse 56)D-97433 Hassfur t

+49 (0)9521 690 0+49 (0)9521 690 150www.uponor.de

Snapethorpe HouseRugby RoadLutterwor thLeicestersh i reLE17 4HN

+44 (0)1455 550355+44 (0)1455 550366www.uponorhous ingsolut ions .co.ukhsenqui r [email protected]

Uponor Control System - Installation Manual 3

Table of contents1. General recommendations ................................................................................................................................ 4

2. The Uponor Control System .............................................................................................................................. 5

2.1 Example of a system...................................................................................................................................... 5

2.2 Uponor Control System components................................................................................................................. 5

3. Installation....................................................................................................................................................... 6

3.1 Preparation before installation......................................................................................................................... 6

3.2 Installation of the components ........................................................................................................................ 6

3.3 Connections.................................................................................................................................................. 7

3.3.1 Controller description ....................................................................................................................... 7

3.3.2 Connect the actuators to the controller ............................................................................................... 7

3.3.3 Controller wiring .............................................................................................................................. 8

3.3.4 Installation of the options................................................................................................................ 11

3.3.5 Connecting the controller to the mains.............................................................................................. 12

3.4 Thermostats ............................................................................................................................................... 13

3.4.1 Opening the thermostats................................................................................................................. 13

3.4.2 Mounting and wiring the thermostats................................................................................................ 13

3.4.3 Thermostat setup........................................................................................................................... 14

3.5 Thermostat option ....................................................................................................................................... 14

3.5.1 Introduction .................................................................................................................................. 14

3.5.2 Wiring and setting the floor sensor potentiometer............................................................................... 14

4. Finishing the installation ................................................................................................................................ 15

5. System maintenance ...................................................................................................................................... 15

5.1 Controller current limitation .......................................................................................................................... 15

5.2 Actuator's behavior...................................................................................................................................... 15

5.3 Fallback mode............................................................................................................................................. 15

5.4 Automatic exercise function .......................................................................................................................... 15

5.5 Resetting Installation ................................................................................................................................... 15

6. Troubleshooting ............................................................................................................................................. 16

7. Installation report ...................................................................................................................................fold-out

8. Technical data .........................................................................................................................................fold-out

9. Wiring diagram / Controller description ..................................................................................................fold-out

4 Underfloor Heating

1. General recommendations

Safety measures

• Read and follow instructions.

• Installation must be performed by a qualified person according to local regulations.

• It is prohibited to make changes or modifications not specified in this manual.

• Power must be switched off when carrying out the wiring.

• We decline any responsibility concerning damages and breakdowns that may result from the non-observance of these instructions.

Symbols used in this manual

Power supply

Technical constraintsWARNINGRisk of bodily injuries or squeezing.Non observance may harm health or cause damage to product components.

STOP

CAUTIONImportant note on functionality. Non observance of this note may cause malfunctions.

InformationImportant operating advice and information.

See another document.

99See another page in the manual.

Heating/cooling.

Timer.

WARNING

• The Uponor Control System uses a 230VAC 50Hz power supply.

• In case of emergency, immediately disconnect the plug from the 230V mains.

• Do not use water to clean the Uponor Control System.

• Do not expose the Uponor Control System to flammable vapors or gases.

• Keep installation/data cables away from power cables > 50V to avoid interference.

• The electrical circuits of the boiler and the pump must be protected by a maximum 6A circuit-breaker.


2. The Uponor Control SystemThe Uponor Control System is a complete management for underfloor heating systems. Comfort, user-friendliness and temperature control for each individual room of your home can be combined through the use of thermostats or floor temperature sensors.

2.1 Example of a systemThe Uponor Control System consists of thermostats, a controller and actuators. The controller manages the operation of the actuator when the thermostats detect a demand for heating or cooling. The Uponor Control System may be controlled with the help of three types of thermostats. Designed for maximum comfort, the thermostats communicate with the controller by non polarized two wired system. Don't "U-link" the outputs! It's automatic. One thermostat controls the following AC output if no thermostat is connected there, and so on. It's possible to use all kinds of Uponor Control System wired thermostats in

the same system.

2.2 Uponor Control System components

For an optimal setting of the system see Operation Manual.

Mark Description

Thermostat T-35

Thermostat Public T-33 (with the option of adding a floor sensor option)

Thermostat T-37 (with the option of adding a floor sensor option)

Controller, 6-channel (C-33) or 12-channel (C-35)

The floor sensor can be used for maximum or minimum limitation of the floor temperature, regardless of the room temperature. It can only be used with the Thermostat Public T-33 and Thermostat T-37.For example, the maximum limitation can protect a sensitive floor covering from exposure to too high temperature when there is a high heat demand. The minimum limitation can keep a tiled floor warm even when there is a no general demand for heat supply to the room.

1

2

3

4

Uponor designation Item Description

UponorController 6 or 12-channel controller

Fastening screws

Installation and Operation Manual

UponorThermostat T-35

Fastening screws

Thermostat


Fastening screws

Thermostat for floor sensor


Fastening screws

Thermostat Public

UponorFloor sensor

Floor sensor for Thermostat Public T-33 and Thermostat T-37 (option)

Uponor

RelayHeating / cooling relay (option)

Uponor

TimerTimer (option)

1

2

3

2

4

2

5

2

6

7

8

9


3. InstallationInstallation steps

Uponor recommends that you follow the steps described below to guarantee the best possible installation:

3.1 Preparation before installationBefore beginning the installation:

• Verify the contents of the package with the list shown in Section 2 to make sure you have all the necessary products;

• Check whether a floor sensor has been mounted;

• Study the wiring diagram in the fold-out or inside the controller cover.

• A controller should be installed close to each manifold;

• A power outlet is required for the connection of the controller to the mains;

• The mounting locations for the Uponor Control System must be protected from running and dripping water;

• Put one thermostat for every room fitted with a heating floor (one thermostat can control several loops of the heating floor).

3.2 Installation of the components

Mounting the controller (6 or 12-channel)

• Check that the cover of the controller can easily be removed.

• Check that the connectors and switches are easily accessible.

Description3.1 Preparation before installation

3.2Installation of the components(controller and thermostats)

3.3Connections(thermostats and actuators to controller)

3.4 Room thermostats3.5 Floor sensor thermostats4 Finishing the installation

STOP

The controller has to be mounted horizontally. There is a risk for overheating if the controller is mounted vertically or on a horizontal surface.

Drill the wall (Ø6 mm)

Press the anchor into the hole (if concrete wall)

Attach the controller to the wall with screws

1

2

3


3.3 Connections

3.3.1 Controller description

6-channel controller

12-channel controller

3.3.2 Connect the actuators to the controller

Example of an installation:

All actuators of a group are controlled by the thermostat connected to the first actuator.Do not "U-Link" with wire. The linking is automatic. The first thermostat controls all following AC output (actuators) if no thermostat is added there. One thermostat can control the whole controller (14 outputs).

In this example, thermostat #01 controls the actuators on terminals 1 to 4.

Thermostat #05 controls the actuator on channel 05 and also controls channels 06 to 11 when no additional thermostat is linked to 06 to 11.

In the following example, thermostat #03 is added, it controls the actuator on channel 03 and also control channel 04.Thermostat #01 controls actuators on channels 01a and 01b and channels 02a and 02b.

99See controller picture in fold-out.

Mark Description

Quick connector for 8 actuators

Power LED

230VAC 50Hz compartment

Quick connector for 6 thermostats

Mark Description

Quick connector for heating / cooling relay

Quick connector for timer

Quick connector for Condense sensor

Quick connector for 14 actuators

Bi-color power LED (red for Heating mode and green for Heating / Cooling mode)

Push-button for Heating or Heating / Cooling mode

230VAC 50Hz compartment

Quick connector for 12 thermostats

1

2

3

4

1

2

3

4

5

6

7

8

99See wiring diagram in the fold-out.

There are two non-polarized wires to connect the thermostat.


3.3.3 Controller wiring

Thermostat quick connector on the 6-channel controller:

Thermostat quick connector on the 12-channel controller:

Thermostat connection without timer:Connect one wire of the thermostat to "com" and the other wire to 2.If there is a timer:Connect one wire of the thermostat to "com" and the other wire to 2 if the room requires no timer control. Or connect one wire to "Com" and the other wire to 3 (timer Zone 1) or 4 (timer Zone 2).See explanation on next page.

One of the thermostat's two wires will always be connected to terminal 1 “Com” (non-polarized).

Heating

Com

No timer control

1

2Heating Heating/cooling

Com Com

No timer control No timer control

Timer zone 1 Eco on: Timer control

Timer zone 2Cool Off: No cooling for this room

1

2

3

4


3.3.3.1 Connection without Timer option

Connect thermostat and terminal:

"Com" and "No timer": The installation will work in a standard way with the thermostats regulating each room according to their set temperatures. Reduced mode is not available.

Example of an installation wired without Timer:

Thermostat #01 controls the actuator on channels 01a and 01b and channels 02a and 02b.Thermostat #03 controls the actuator on channel 03 and controls channel 04.Thermostat #05 controls the actuator on channel 05 to channel 11.Thermostat #12 controls channel 12.

3.3.3.2 Connection with Timer option in Heating only mode

(Only 12-channel controller)


• "Com" and "No timer": The installation will work in a standard way with the thermostats regulating each room according to their set temperatures.

• "Com" and "Zone 1" (allocate the thermostat to Zone 1): The corresponding channel will run in Comfort mode according to the time slots in Zone 1 of the timer.

Example: Zone 1 (for settings see timer manual)

• "Com" and "Zone 2" (allocate the thermostat to Zone 2): The corresponding channel will run in Comfort mode according to the time slots in Zone 2 of the timer.

Example: Zone 2 (for settings see timer manual)

To connect the timer, see the wiring diagram in the fold-out.

One of the thermostat's two wires will always be connected to the “Com” quick connector and the second to one of the remaining three quick connectors, depending on the mode selected (non-polarized).

night morning evening night

COMF

ECO

ECO

night evening nightmorning

COMF


3.3.3.3 Connection with Timer option in Heating / Cooling mode


• "Com" and "No timer": When the system is running in Heating mode:The installation will work in a standard way with the thermostats regulating each room according to their set temperatures.When the system is running in Cooling mode:The installation will work in a standard way with the thermostats regulating each room according to their set temperatures.

• "Com" and Timer control: When the system is running in Heating mode:The corresponding channel will run in Comfort mode according to the time slots in Zone 1 of the timer.(for settings see timer manual)

When the system is running in Cooling mode:In Cooling mode, Zone 1 and Zone 2 will be linked in a specific area: automatic overlap of Zone 1 and Zone 2 with specific period "ECO" and "Comfort". This process will take place automatically. The Zone 1 and 2 Comfort mode overrides the Eco mode. The corresponding channel will run in Comfort mode according to the time slots in the specific zone of the timer. This link also enables you to use your cooling unit during the night and to save energy when people are not at home.

• "Com" and "Cool Off": When the system is running in Heating mode:The corresponding channel will run in Comfort mode according to the time slots in Zone 1 of the timer.When the system is running in Cooling mode:There will be no cooling in the room allocated to this thermostat.

Example of an installation wired with a timer:

Thermostat #01 controls channels 01a, 01b, 02a and 02b in "Timer control" (Zone 1) if in Heating mode and "Cool Off" if in Cooling mode.

The following thermostats controls its channels in "No timer" mode.

To connect the timer, see the wiring diagram in the fold-out.

ECO

night morning evening night

COMF

ECO

ECO

ECO

Specific

night morning nightevening

Zone 2

COMF

COMF

COMF

Zone 1

Zone 2 is not used in Heating mode when heating / cooling is active.

One of the thermostat's two wires will always be connected to the “Com” quick connector and the second to one of the remaining three quick connectors, depending on the mode selected (non-polarized).

For more information about Comfort/Eco features, see the timer Manual.

For the 6-channel controller, the thermostat is directly connected to the terminals (non-polarized). Comfort/Eco features are not available.


3.3.4 Installation of the options

Different options can be added to the Uponor control system to enhance its features, optimize your comfort and save energy.

3.3.4.1 Timer

The Uponor control system can be equipped with a timer to add energy-saving features and define independent zones. The timer has two programming zones. Each offers four programming options, including one that can be personalized, thus enabling different programmes to be created for each day of the week.

3.3.4.2 Floor sensor

The floor sensor can be used for maximum or minimum limitation of the floor temperature, regardless of the room temperature. It can only be used with the Thermostat Public T-33 and Thermostat T-37. For example, the maximum limitation can protect a sensitive floor covering from exposure to too high temperature when there is a high heat demand. The minimum limitation can keep a tiled floor warm even when there is a no general demand for heat supply to the room. The minimum limitation should not be set to a value higher than the required room temperature.

3.3.4.3 Controller heating / cooling input

If your installation is equipped with a cooling unit, the Uponor control system can be run through a heating / cooling relay.

The controller heating / cooling input operates with the connection of a dry contact.

The contact's control can be either an additional regulation system or a two-position switch.

Connect the heating / cooling relay between terminals 11

and 12 of the controller (symbol ).

Example of wiring:

To configure the controller in Heating / Cooling mode, press the push-button on the controller to switch between modes:

• The LED is red for Heating mode.

• The LED is green for Heating / Cooling mode.

WARNINGMains supply 230VAC 50HzDisconnect the 230V mains before installing or changing the device wiring.

99

See "3.3.3.2 Connection with Timer option in Heating only mode" or "3.3.3.3 Connection with Timer option in Heating / Cooling mode", page 9, 10 for more information on wiring.

99See wiring diagram in the fold-out.

See the timer Manual for more information.

The timer is not available for the 6-channel controller.

99

See "3.5 Thermostat option", page 14 for more information on wiring and setting.

See the floor sensor Manual for more information.

STOP

g

Do not apply voltage to the heating / cooling contact. Damage to the Uponor Control System will occur.

Heating / cooling relay

Heating / cooling contact

Controller heating / cooling input

Example of a different type of heating / cooling relay command

Heating / Cooling mode is not available for the 6-channel controller.

1

2

3

4


3.3.4.4 Circulation pump relay

The Uponor Control System can operate a circulation pump on heating/cooling demand. The pump will stop when there is no heat or cooling demand.

Example of an installation:

The controller controls the circulation pump via connection on terminal block (dry contact). There is no power for the pump in the box, just the dry contact.

3.3.5 Connecting the controller to the mains

WARNINGSee the circulation pump supplier documentation before performing the connection.

The electrical circuits of the pump must be protected by a maximum 6A circuit-breaker.

1 Ensure the power is disconnected

2 Open 230V compartment and fix cover to hanger

3 Connect "L" wire from/to pump via relay

4 Close 230V compartment

The pump runs when at least one actuator is active.During actuator exercise, the pump continues to work normally.

1Check that the wiring is complete (actuators, thermostats, pump, timer)

2 Check that the 230V compartment is closed

3 Connect the plug to the mains


3.4 ThermostatsThe Uponor Control System may be controlled with three types of thermostats.

• Thermostat T-35 wired:Adjust the temperature with the dial. The dial must be removed to set min/max on the thermostat.

• Thermostat Public T-33 wired:The thermostat is designed for public location.The potentiometers used for the settings are protected with a cover. This thermostat also can be used to connect a floor sensor option.

• Thermostat T-37 wired for floor sensor:Adjust the temperature with the dial. The potentiometers used for the settings are protected with a cover. The dial and the cover must be removed to set up min/max on the thermostat. This thermostat also can be used to connect a floor sensor option.

3.4.1 Opening the thermostats

3.4.2 Mounting and wiring the thermostats

3.4.2.1 Location of a thermostat

(For all thermostats)

• On an indoor wall.

• 1.5 m to 1.8 m from the floor.

• Away from any source of humidity. (IP20)

• Away from any source of heat (television, electronic equipment, fireplace...).

• Away from direct solar radiation.

• Away from direct water splashes.

3.4.2.2 Thermostat fixation

Fixing on the wall:Drill the wall (Ø6 mm). Fix anchors in the wall.Let the screw protrude from the box (3 mm).

Screw the thermostats on the wall or/and on the box.


3.4.2.3 Thermostat wiring

Connect the cable from the controller (non-polarized)

3.4.3 Thermostat setup

3.5 Thermostat option

3.5.1 Introduction

Thermostat Public T-33 and Thermostat T-37 allow a floor sensor to be fitted to the system. The temperatures thus measured ensure a more efficient management of the system.

3.5.2 Wiring and setting the floor sensor potentiometer

When a floor sensor is connected to the thermostat to control the temperature of the floor, the limitation of the floor temperature can be adjusted with a potentiometer.The floor sensor settings override the thermostat.Settings:

• Minimum range: 5°C to 35°C.

• Maximum range: 30°C to 40°C

99See: "3.3.3 Controller wiring", page: 8

See Operation Manual for thermostat min/max and room temperature settings.

99

For more information on external sensor settings: See "3.5 Thermostat option".

Open the thermostat cover: see "3.4 Thermostats", page: 13.

Select the required temperature using the potentiometer

1


4. Finishing the installation 5. System maintenance5.1 Controller current limitationTo avoid risk of current overload, the controller uses a protection system:

At start-up, 14 actuators cannot be open at the same time. During application, 14 actuators can work at the same time. The controller opens the maximum actuators according to the current limitation.

5.2 Actuator's behaviorThe normal position of an actuator is closed. The controller commands only the opening of an actuator.

5.3 Fallback modeIf a thermostat is short-circuited or not detected, the controller executes the Fallback mode: 7 min open, 14 min closed to maintain the temperature in the room (heating or cooling) until the problem is resolved.If the wire is broken, precedent thermostat will take the command or else Fallback mode is active.

5.4 Automatic exercise functionThe actuators and the pump are designed to avoid seizing, thereby increasing the reliability of the equipment.

This exercise is done every 6 days +/- 0-24 hours at random:Exercise pump and actuators.

The pump exercise operates only if the pump has not been activated since the last exercise. The pump is activated 3 minutes during the exercise.

The actuators exercise operates only if the actuators have not been activated since the last exercise. The exercise consists of opening and completely closing the actuator.

• 5 minutes to open an actuator.

• 9 minutes to close an actuator.

5.5 Resetting InstallationTo reset the Installation, disconnect and reconnect the controller to the mains.

Make a complete check up of the installation:

• Verify that the thermostat covers are in place

• Check that the thermostats are working correctly (turn thermostat dial to obtain a heating demand and make sure that the actuators are running)

Close the cover of the controller

Close the thermostat covers where necessary

Fill in the "Installation report" on the centre pages of booklet

Give the manual and all information about the system to the users

1

2

3

4


6. TroubleshootingNormal system operating conditions:

The Power LED of the controller is lit up. The actuators are activated if there is demand for heating or cooling.

*: To find out if a problem is caused by the supply system or the control system. Check the temperatures of the flow and return pipes for the loop(s) corresponding to the room. Loosen the corresponding actuator(s) from the manifold. If the loop temperature starts to rise after a short while (a few minutes for the flow and longer for the return pipe, depending on the floor type), the problem is most likely caused by the room control system. If the temperature remains the same, the problem is in the system (hydraulic).

Failure Causes Indication Solutions Note

room too cold (or

too warm in

Cooling mode) *

thermostat is connected on

a bad channel

■ see Installation report and check

the wiring

■ the LED of the thermostat does

not switch on or off with heating or

cooling demand

actuator does not openthe white indication can not be seen

in the indicator window

■ replace the actuator

■ measure the outputs if 24V when

heat demandthe thermostat is out of

orderreplace the thermostat

room too warm (or

too cold in Heating

mode) *


a bad channel

■ see Installation report and check

the wiring



cooling demand

actuator does not closethe corresponding loop is warm even

after a long period without heat call

■ check that the actuator is

correctly mounted

■ replace the actuatorthe thermostat is out of


the floor is cold

■ no heat demand (from

underfloor heating

system)

■ the room is heated by

another heat source

■ The supply water is too

hot. This causes a hot

floor for a short while,

followed by a cold,

uncomfortable floor

room temperature OK, but the floor

is cold

the system does

not start

no voltage power LED off in controller

■ check that the controller is

connected to the mains and that

the wiring in the 230V

compartment is OK

■ check the circuit-breaker in the

principal electrical board

cable breakdown230V in socket but not in 230V

compartmentreplace cable and plug

the thermostat is

not supplied

problem with a terminal

block

the LED of the thermostat does not

switch on or off with heating or

cooling demand

check the terminal

cable breakdown

the LED of the thermostat does not

switch on or off with heating or

cooling demand

replace cable

the thermostat is out of


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24

Uponor Control System,WiredOperation Manual, UK, IRL

9416

-121

-00

/ IO

M-

V_0

7-02

Rober t Huber in t ie 3bP.O. Box 37FI-01511 VANTAA

+358 (0)20 129 211+358 (0)20 129 2841

I n k e e p i n g w i t h o u r p o l i c y o f c o n t i n u o u s i m p r o v e m e n t a n d d e v e l o p m e n t , U p o n o r r e s e r v e s t h e r i g h t t o c h a n g e s p e c i f i c a t i o n s w i t h o u t p r i o r n o t i c e .

Area managementUponor Hispania S .A.U.Cal le C , n° 24Pol ígono Industr ia l n°1E-28938 Mósto les (Madr id)

+34 91 685 3600+34 91 647 3245www.uponor.es

PO Box 101SE-730 61 Vi rsbo

+46 223 380 00+46 223 381 01

PO Box 1641 ( Industr iest rasse 56)D-97433 Hassfur t

+49 (0)9521 690 0+49 (0)9521 690 150www.uponor.de

Snapethorpe HouseRugby RoadLutterwor thLeicestersh i reLE17 4HN

+44 (0)1455 550355+44 (0)1455 550366www.uponorhous ingsolut ions .co.ukhsenqui r [email protected]

Uponor Control System - Operation Manual 3 3

Table of contents1. General recommendations ............................................................................................................................... 4

2. The Uponor Control System ............................................................................................................................ 5

2.1 Overview of the system.................................................................................................................................. 5

2.2 Operating your installation.............................................................................................................................. 6

3. Thermostat ...................................................................................................................................................... 7

3.1 Changing the temperature setpoint ................................................................................................................. 8

3.2 Setting the min and max temperatures............................................................................................................ 8

3.3 Floor sensor settings..................................................................................................................................... 9

4. System maintenance ....................................................................................................................................... 9

5. Diagnoses and resolution of faults................................................................................................................. 10

5.1 General recommendations ........................................................................................................................... 10

5.2 List of possible failures and solutions............................................................................................................. 11

6. Disposal of the product.................................................................................................................................. 12


1. General recommendations

Safety measures• Read and follow instructions.

• Installation must be performed by a qualified person according to local regulations.

• It is prohibited to make changes or modifications not specified in this manual.

• Power must be switched off when carrying out the wiring.

• We decline any responsibility concerning damages and breakdowns that may result from the non-observance of these instructions!

Symbols used in this manual

Power supply

Technical constraintsWARNINGRisk of bodily injuries or pinching.Non observance may harm health or cause damage to product components.

STOP

CAUTIONImportant note on functionality. Non observance of this note may cause malfunctions.

InformationImportant operating advice and information.

See another document.

99See another page in the manual.

WARNING

• The Uponor Control System uses a 230VAC 50Hz power supply.

• In case of emergency, immediately disconnect the plug from the 230V mains.

• Do not use water to clean the Uponor Control System.

• Do not expose the Uponor Control System to flammable vapors or gases.

• Keep installation/data cables away from power cables > 50V to avoid interference.

• The electrical circuits of the boiler and the pump must be protected by a maximum 6A circuit-breaker.


2. The Uponor Control SystemThe Uponor Control System is a complete management for underfloor heating systems. Comfort, user-friendliness and temperature control for each individual room of your home can be combined through the use of thermostats or floor temperature sensors.

2.1 Overview of the systemThe Uponor Control System consists of thermostats, a controller and actuators. The controller manages the operation of the actuator when the thermostats detect a demand for heating or cooling.

The Uponor Control System may be controlled with the help of three types of thermostats. Designed for maximum comfort, the thermostats communicate with the controller by non polarized two wired system. It's possible to use all kinds of Uponor Control System wired thermostats in the same system.

Thermostat T-35 wired

Thermostat T-35 is easy to use.Temperature settings are be adjusted with a dial.The dial must be removed to set min/max on the thermostat.The 21°C position is marked.

Thermostat Public T-33 wired

The thermostat is for public location. The potentiometers are hidden by a cover. The cover may be removed to allow min/max temperatures to be set. This thermostat also can be used to connect a floor sensor option.

Thermostat T-37 wired for floor sensor

Thermostat T-37 is easy to use.Temperature settings are be adjusted with a dial. The potentiometers are hidden by a cover. The dial and the cover must be removed to set up min/max on the thermostat. This thermostat also can be used to connect a floor sensor option. The 21°C position is marked.

1

2

3


2.2 Operating your installationThe Uponor Control System controls your heating installation according to your needs. You simply have to set the temperatures you wish on the thermostats located in each room.

Principle of operation:As soon as the temperature measured at the thermostat is lower than the desired set temperature, it sends this information to the controller, which opens the actuators for this room. Once the set temperature is reached, fresh information is sent and the actuators are closed.

Normal operation without optional timer

When the system is running in normal mode:In Heating mode, the actuators are open when room temperatures are lower than the temperatures set on the thermostat.In Cooling mode, the actuators are open when room temperatures are higher than the temperature set on the thermostat.The actuator position can be seen in the small windows of the actuators.

Operation with optional timer Comfort / Economy features

The use of a timer (option) optimises the installation and conserves energy.

Controller with Thermostats and actuators

6-channel controller:

The controller controls up to 6 thermostats and 8 actuators connected to the hydraulic system of the installation.The controller drives the actuators according to the information received from each thermostat and according to the system parameters settings.The controller is typically located near the hydraulic system manifolds.The window in the actuator shows when a valve is open or closed.

12-channel controller:

The controller controls up to 12 thermostats and 14 actuators connected to the hydraulic system of the installation.The controller drives the actuators according to the information received from each thermostat and according to the system parameters settings.The controller is typically located near the hydraulic system manifolds.The window in the actuator shows when a valve is open or closed.

Several extensions can be added on to the 12 channels controller:

• A timer can be used to add energy saving features and to define the independent zones.

• If your installation is equipped with a cooling unit, the Uponor control system can be run through a heating / cooling relay.

4

If your installation is equipped with this option, see the timer Manual for more information.


3. Thermostat

Thermostat T-35 and Thermostat T-37

Thermostat Public T-33

Open the thermostat cover: See the Installation manual.

Room temperature setpoint dial control

Terminal for controller connection (non-polarized)

Terminal for floor sensor (non-polarized)

Blue cam for setting minimum temperature

Red cam for setting maximum temperature

Floor sensor potentiometer

Heating / cooling demand LED (Opening / closing of the actuators)

Thermostat uses low voltage 6-12 volt.

1

2

3

4

5

6

7

Screw to open the thermostat

Terminal for controller connection (non-polarized)

Terminal for floor sensor (non-polarized)

Set point temperature potentiometer

Floor sensor potentiometer

Heating / cooling demand LED (Opening / closing of the actuators)

1

2

3

4

5

6


3.1 Changing the temperature setpoint


Thermostat Public T-33

3.2 Setting the min and max temperatures


A red LED is lit during heating or cooling demand.

Rotate the dial clockwise to get a higher temperature setpoint

Rotate the dial counter-clockwise to get a lower temperature set point


1

2

1

Remove the dial with a screwdriver

Set the minimum temperature with the blue cam

Set the maximum temperature with the red cam

The blue and red cam set the lower and upper ranges from which the set temperature is allowed to deviate.Example:

• The usual set point is 21°C.

• The setting of the blue cam is -10°C.

• The setting of the red cam is +5°C.

➜The temperature range for this room is 11°C to 26°C.

There are no min and max temperature settings for the Thermostat Public.

1

2

3


3.3 Floor sensor settingsIf your system includes a floor sensor, a potentiometer fitted on the Thermostat Public T-33 and Thermostat T-37 allows you to adjust the minimum or maximum temperature settings for the floor.The floor sensor can be used for maximum or minimum limitation of the floor temperature, regardless of the room temperature.For example, the maximum limitation will protect a sensitive floor covering from exposure to too high temperature when there is a high heat demand. The minimum limitation can keep a tiled floor warm even when there is a no general demand for heat supply to the room.

4. System maintenanceChecks on your system components regularly to optimize performance. This system requires no maintenance.

Automatic exercise function:

The system is fitted with an automatic exercise function. Set every 6 days +/- 24 hours, this function consists of a test-run designed to prevent the pump and actuators from seizing up, when they have not been activated since the last test.


See Installation manual for more information.

1

STOPUse a dry soft cloth to clean the Control System and all it's components. Do not use any detergent.


5. Diagnoses and resolution of faultsNormal system operating conditions:

The Power LED of the controller is lit up. The actuators are activated if there is demand for heating or cooling.

5.1 General recommendations

To contact your installer:

See the Installation report in the fold-out to find the contact information for the Installer.

Please prepare the following information before contacting an installer:

• Installation report.

• Drawings of the underfloor heating system (if available).

WARNINGNote that some actions, e.g. actions involving 230V, wiring, etc., are to be performed by a qualified person.

WARNINGRisk of electric shocks. Disconnect the controller from the mains prior to any intervention.


5.2 List of possible failures and solutions

Failure Causes Indication Solutions Note

the system does

not start

no voltage power LED off in controllercheck the circuit-breaker in the

principal electrical board

contact your

Installer if

necessary

cable breakdown230V in socket but Power LED is

off in controller

contact your

installerthe Thermostat

does not send an

order

the thermostat is out of

order

the LED of the thermostat does


cooling demand

contact your

installer

room too cold (or

too warm in

Cooling mode)


a bad channel

■ see Installation report and

check the wiring


not switch on or off with heating

or cooling demandcontact your

installer

actuator does not openthe white indication can not be

seen in the indicator windowthe thermostat is out of

order

room too warm (or

too cold in Heating

mode)


a bad channel

■ see Installation report and

check the wiring


not switch on or off with heating

or cooling demand contact your

installer

actuator does not close

the corresponding loop is warm

even after a long period without

heat callthe thermostat is out of

order

the floor is cold

■ no heat demand (from

underfloor heating

system)

■ the room is heated by

another heat source

■ The supply water is too

hot. This causes a hot

floor for a short while,

followed by a cold,

uncomfortable floor

room temperature OK, but the

floor is cold


6. Disposal of the productThe Uponor Control System is made up of various recyclable components. Uponor would be grateful if you could sort out these components (batteries, plastics, electric or electronic parts) and dispose of them at a suitable recycling centre.

Documents

Catalog Tehnic UFH Unitati Comanda Cu Fir C35-33 Si Termostate