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ServiceTraining Course

Portable Propane/LP Heaters

KID MU - KID AU

Rev. No.1 09/03/10

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The KID Product LinePropane Gas Heaters

KID 10 MU 34,500 Btu/hr Manual IgnitionKID 15 MU 49,600 Btu/hrKID 30 MU 106,500 Btu/hr Continuous IgnitionKID 40 MU 148,000 Btu/hrKID 60 AU 115,000 - 200,000 Btu/hr Electronic IgnitionKID 80 AU 225,000 - 280,000 Btu/hr

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KID 10/15 MU - Assembly

COMBUSTION CHAMBER

OUTER SHELL

HANDLEFAN

MOTOR

PRESSURE TAP 1/… NPT

ORIFICE

LIMIT SWITCH BRACKET

PIEZO IGNITOR

FAN GUARD

VALVE

COUPLING

PIEZO CABLEBURNERTUBE

HIGH TEMP LIMIT SWITCH

IGNITION ELECTRODE

PIEZO CABLEREAR HEAD

REGULATOR

HOSE

P.O.L. EXCESS FLOW

BASE

BASE FOOT

POWER CORD

4

KID 30/40 MU - Assembly

COMBUSTION CHAMBER

OUTER SHELL

HANDLEFAN

MOTOR

PRESSURE TAP 1/… NPT

ORIFICE

LIMIT SWITCH BRACKET

FAN GUARD

COUPLING

BURNER

HIGH TEMP LIMIT SWITCH

IGNITION ELECTRODEREAR HEAD

REGULATOR

HOSE

P.O.L. EXCESS FLOW

BASE

POWER CORD

BURNER SUPPORT

FUSE

COVER

THERMOCOUPLE

GAS PIPE & FITTINGS

IGNITOR

RELAY

5

KID 60/80 AU - Assembly

COMBUSTION CHAMBER

OUTER SHELL

HANDLE

FAN MOTOR

ORIFICE

LIMIT SWITCH BRACKET

FAN GUARD

COUPLING

BURNER

HIGH TEMP LIMIT SWITCH

FLAME SENSOR

REAR HEAD

REGULATOR

HOSE

P.O.L. EXCESS FLOW

ROOM THERMOSTAT CONNECTOR & CAP

POWER CORD

BURNER SUPPORT

FUSE

COVER

IGNITION ELECTRODE

GAS PIPE & FITTINGS

GAS TAP & KNOB

GAS INLET FITTING

BURNER CONTROL UNIT

CAPACITOR

EMI FILTER

RESET BUTTONSWITCH

FRONT FOOT

REAR FOOT

IGNITOR

BASE

6

Kid 60 & 80Electronic Board

PCB Connectors

7

Kid 60 & 80Burner Disc

Flame Sensor

Ignition Electrode

High Limit Switch

Flame Sensor Cable

Ignition Cable

Rear Front

8

Kid 60 & 80Electrode and Sensor Gaps

Flame Sensor Gap:5 - 6 mm (.20 - .24”)

Electrode Gap: 4 - 6 mm (.16 - .24”)

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Kid 60 & 80Gas Circuit

Solenoid Valve

Adjustment Tap

Copper Pipe

Coil

10

Kid 60 & 80Electronic Board and Ignitor

To ignition electrode

To flame sensor

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KID 10/15Functional Parts

Manual Valve

Thermocouple

Safety Thermostat

Ignition Electrode

Piezoelectric Ignitor

Motor

Gas Line

L

N

PIEZO IGNITOR

IGNITION ELECTRODE

MOTOR

LIMIT SWITCH

THERMOCOUPLE

VALVE

GAS LINE

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KID 10/15Wiring Diagram

whi

te

blac

kNL

Q2G1

B1

S2S1M1

115V 60Hz

M1 MOTORS1 IGNITION ELECTRODEQ2 PIEZO IGNITORS2 THERMOCOUPLEB1 HIGH LIMIT SWITCH (NORMALLY CLOSED)G1 VALVE

115 V 60 HzPOWER SUPPLY

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KID 30/40 MUFunctional Scheme

L

N

Q2

Gas Line

G1

S2Y1B1

M1

S1

RELAY

IGNITION ELECTRODE

MOTOR

LIMIT SWITCH

THERMOCOUPLE

VALVE

GAS LINE

IGNITOR

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KID 30/40 MUWiring Diagram

115V 60Hz

Y1

Q2

white

white

B1

white

G1

blackM1

black S1

black

S2

NL

M1 MOTORS1 IGNITION ELECTRODEQ2 IGNITORS2 THERMOCOUPLEB1 HIGH LIMIT SWITCH (NORMALLY CLOSED)G1 VALVE Y1 RELAY (NORMALLY CLOSED)115 V 60 Hz

POWER SUPPLY

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KID 60/80 AUWiring Diagram

M1

F1

LC

red

blac

k

B1

Y1bl

ack

Q1

Reset

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J3

13 67

J1

S1

J5

2 1

blac

k

14 5 34

blac

k

blac

k

black

L N

blackwhite

B2312

red

whi

te

blac

kbl

ack

whi

te

whi

te

whi

tew

hite

whi

te

16 17

S2

N L

IG

blac

k

white

black

115V-60 Hz

whi

te H

Tw

hite

HT

whi

te

blac

k

18 19

B1 HIGH LIMIT SWITCH (NORMALLY CLOSED)B2 ROOM THERMOSTATF1 FUSEM1 MOTORQ1 SWITCHS1 FLAME SENSOR S2 IGNITION ELECTRODEY1 SOLENOID VALVELC EMI FILTERTR TRANSFORMERIG IGNITOR115 V 60 Hz

POWER SUPPLY

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KID 10/15 MUOperational Sequence

M1

S1

S2

M

G1

MANUALACTION

ELECTRICALACTION

F

M1S1

S2

MOTORIGNITION ELECTRODE

FLAME SENSORF FLAME SIGNAL

G1 GAS VALVE

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KID 30/40 MUOperational Sequence

M1

S1

S2

M

G1

MANUALACTION

ELECTRICALACTION

F

M1S1

S2

MOTORIGNITION ELECTRODE

FLAME SENSORF FLAME SIGNAL

G1 GAS VALVE

Y1

Y1 RELAY

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KID 60/80 AUOperational Sequence

Q1

M1

S1

Y1

S2

M

P1

10~ sec 10 sec

F

Q1M1S1Y1S2

SWITCHMOTORIGNITION ELECTRODESOLENOID VALVEFLAME SENSOR

P1 RESET BUTTONF FLAME SIGNAL

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Gas valve

600°Ci

FLAME ON

Safety thermostat

Thermocouple +

-

Flame Control Circuit(manual ignition models)

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i=0

FLAME OFF

Safety thermostat

Gas valve

Thermocouple +

-

Flame Control Circuit(manual ignition models)

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Flame Control Circuit(manual ignition models)

Gas valve

i=0

OVERHEATING

Safety thermostat

Thermocouple +

-

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Manual Ignition ModelsTroubleshooting

Is the motorrunning?

Electric problems Faulty Switch >Check>Replace

Faulty or damagedmotor

>Check the motor>Check the capacitor>Replace if necessary

Mechanical problems Blocked or damagedfan

>Check the fan>Unlock the fan>Replace the fan

YES

Switch ON

Connect to electricsupply

Connect to gas bottle

No power >Use a tester to check thepower supply system

Faulty or damagedpower cord >Replace

Incorrect or incompletewiring connections

>Check>Correct

NO

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Does the flameshut off?

YES

NO

Immediately afterignition

During operation

Faulty gas valve >Check>Replace

Low gas inflow

>Room temperature too lowand/or insufficient gasevaporation: use a bigger gasbottle or more gas bottles

Does theflame light up?

NO

YES

Faulty ignition

Damaged electrode >Replace

Wrong distancebetween electrode andburner

>Regulate the distancebetween electrode and burner

Faulty piezoelectricignitor

>Check>Replace

Faulty safety thermostat(open contact)

>Check>Replace

Absence connectionpiezoelectric-electrode

>Check cable>Replace cable

Piezoelectric notconnected to ground

>Check>Connect correctly

Weak flame signal

>No correct combustion>Faulty or wrong pressureregulator>Low room temperature and/orinsufficient gas evaporation:use a bigger gas bottle or moregas bottle>Faulty thermocouple: checkand replace

Safety thermostatactivated

>Unit is overheated:check and find a cause(hight room temperature,excessive gas inflow,insufficient ventilation, ecc.)>Unit is not overheated:thermostat faulty

Empty gas bottle >Replace

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NO

YES

Combustionis OK ?

Low air/gas ratio

Insufficient air flow>Obstructed air inlet>Low voltage and/or low motorrpm: check voltage, motor,coupling and fan

Excessive gas flow>Wrong gas type>Faulty or wrong pressureregulator>Wrong nozzle size

High air/gas ratio Insufficient gas flow

>Low gas pressure>Low room temperature>Too small gas bottle>Obstruction of parts of the gascircuit (nozzle, gas valve, ecc.)

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Faulty burner controlunit

>Check>Replace

Faulty safety thermostat >Check>Replace

Burnt fuse >Replace

Socket body cap notinserted >Switched on the cap in a plug

Room thermostat settoo low >Turn up the temperature level

Heater locked out fromprevious use

>lock out lamp is light: restartpushing the reset button

No power >Use a tester to check thepower supply system

Faulty or damagedpower cord >Replace

Switch ON

Connect to electricsupply

Connect to gas bottle

Is the motorrunning?

YES

NO

Electric problems

Mechanical problems

Faulty Switch >Check>Replace

Faulty or damagedmotor

>Check the motor>Check the capacitor>Replace if necessary

Incorrect or incompletewiring connections

>Check>Correct

Blocked or damagedfan

>Check the fan>Unlock the fan>Replace the fan

Automatic Ignition ModelsTroubleshooting

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Faulty burner controlunit

>Check>Replace

The solenoid valves donot open

>Check>Check the voltage to thesolenoid valves>Clean>Replace if necessary>Burner control unit:check/replace

The unit locks out

If you find the solutionrestart pushing the

reset button

Faulty or wrongpressure regulator

>Check>Replace

Empty or closed gasbottle

>Replace>Open

Obstructed nozzle >Clean nozzle>Replace nozzle

Obstructed burner >Disassemble and clean

Faulty gas circuit

Faulty ignition

Does theflame light up?

NO

YES

Damaged electrode >Replace

Wrong distancebetween electrode andburner

>Regulate the distancebetween electrode and burner

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>Replace

Faulty burner controlunit >Replace

Does the flame shut off?Does the unit lock out?

NO

>Check wiring connections

Immediately afterignition

During operation

YES

Low gas inflow

>Room temperature too lowand/or insufficient gasevaporation: use a bigger gasbottle or more gas bottles

Empty gas bottle >Replace

Damaged burner controlunit

>Check>Replace

Safety thermostatactivatedNOTE: LOCK OUTLAMP IS NOT ALIGHT

>Unit is overheated:check and find a cause(hight room temperature,excessive gas inflow,insufficient ventilation, ecc.)>Unit is not overheated:thermostat faulty

NO

YES

Combustionis OK ?

Low air/gas ratio

Insufficient air flow>Obstructed air inlet>Low voltage and/or low motorrpm: check voltage, motor,coupling and fan

Excessive gas flow>Wrong gas type>Faulty or wrong pressureregulator>Wrong nozzle size

High air/gas ratio Insufficient gas flow

>Low gas pressure>Low room temperature>Too small gas bottle>Obstruction of parts of the gascircuit (nozzle, gas valve, ecc.)

If you find the solutionturn off and turn on

again to reset the safetythermostat

Flame sensordamaged, faulty or notconnected

No earth connection

Reverse polarity >Turn the plug 180° andrestart (if applicable)

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MODEL MODELE KID 10 MU KID 15 MU KID 30 MU KID 40 MU KID 60 AU KID 80 AU

INPUT PUISSANCE THERMIQUE(BTU/h)

34500 49600 106500 148400 115,000 –200,00

0

225,000 –280,00

0

DEBIT D'AIRAIRFLOW RATE(ft³/min)

180 180 440 550 1062 1445

FUEL CONSUMPTION CONSOMMATION GAZ (lb/h)

1.72 2.49 5.42 7.56 5.9 – 10.2 11.4 – 14.4

MINIMUM AMBIENT TEMPERATURE TEMPERATURE AMBIANTE MINIMALE

(°F)

18 18 18 18 18 18

IGNITION SYSTEMSYSTEME D'ALLUMAGE

Manual Manual Continuous Spark

Continuous Spark

Electronic Ignition

Electronic Ignition

POWER RATING PUISSANCE ELECTRIQUE

(HP)

1/12 1/12 1/8 1/8 1/8 1/8

GAS SUPPLY PRESSURE PRESSION AU BRULEUR (psi)

4.4 4.4 21.8 29 29 29

FLAME CONTROL SYSTEME DE CONTRÔLE FLAMME

Thermocouple controlled gas

valve

Thermocouple controlled gas valve

Thermocouple controlled gas valve

Thermocouple controlled gas valve

Ionization sensor

Ionization sensor

Technical Specifications