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ELECTRONIC THERMOSTAT

STA 10, STA-AHK

www.stuhl.com 79139LE / 140916

STA 10 AH Classic

Connection of ventilators to 10A, 230V AC

Speed control via step transformer orcontrol of fan groups

Digital temperature display

Interval display

The STA series devices are used in connection with a 5-step autotransformer for the speed control of a fan. Addition-ally, they are used to control a heating system as well as an alarm device.

Adjustable intervals

Setting min./max. Interval

Heater contact

Alarm contact for under/over temperature,power failure and sensor failure

Air volume reduction

Housing IP 54 with quick release

Additional function, depending on version:

Direct switching of the auxiliary winding

Control outputs for an infinitely variable heater and damper actuation motors or sequence control

Air volume reduction and alarm compensationvia outdoor sensor

Scope of delivery:

1 electronic thermostat STA

1 or 2 temperature sensors FS 103.1

Installation accessories

Drilling template

STA 10E AHK Profi

STA-AHK 1+5

STUHL REGELSYSTEME • Am Wasserturm 1 • 91174 Spalt-Großweingarten Tel: 0 91 75 / 90 82-0 • Fax: 0 91 75 / 90 82-77 • E-Mail: vertrieb@stuhl.comwww.stuhl.com

ELECTRONIC THERMOSTAT STA 10, STA-AHK

Group distance

Alarm over temperature

Lowest output voltage

Operating voltage

PRODUCT RANGE

TYPE

Temperature range

TECHNICAL DATA

5 to 40°C, adjustable

STA

10 A

H C

lass

ic

STA

10E A

HK

Profi

STA

10E A

HK

Profi

.F2

STA-

AHK

1+5

Interval 0.5 to 3K, adjustable

0.5 to 3K, adjustable

Alarm under temperature -2K to -10K, adjustable

2K to +20K, adjustable

Heater -5K to 5K, adjustable

Interval 0 to 3, adjustable(minimum speed)

approx. 0% to 45%, adjustable

Highest output voltage Interval 3 to 5, adjustable

approx. 51% to 100%, adjustable(maximum speed)

Displays: Switching statuses LED

5-step LED luminous band Speed

Room temperature Three-digit LED display

Sensor: FS 103.1 KTY semi-conductor element (Polarity does not need to be observed)

230V AC; +10%, -15%

Outputs: Heater/alarm/isolated contacts

Auxiliary winding

Fan Relay contacts for step transformer

Damper

0 - 10V and relay contacts for group activation

0 -10V

0 -10V Infinitely variable heater

XX X X

XX X

X

XX X X

XX X X

XX X X

XX X

X

XX X

X

XX X X

XX X X

XX X X

11 2 1

XX X X

XX X X

X X

XX X

X

X X X

X X

TYPE

Permitted environmental temperature 0°C to 40°C XX X X

Protection system

Material

HOUSING

Plastic

Mounting Wall fastening

IP 54 (splash-proof)

Protection class II according to EN 60730

XX X X

XX X X

Dimensions 242 x 185 x 115 mm (W x H x D)

Weight approx. 1300g

XX X X

XX X X

XX X X

XX X X

PRODUCT RANGE

STA

10 A

H C

lass

ic

STA

10E A

HK

Profi

STA

10E A

HK

Profi

.F2

STA-

AHK

1+5

Max. permitted switching current: Fan

Heater

Auxiliary winding

Alarm

Fuse

10(8)A, 250V AC

8(8)A, 250V AC

6(6)A, 250V AC

2(2)A, 250V AC

10A t

XX X X

XX X X

XX X X

XX X X

XX X X

CONNECTION DIAGRAMS

HOUSING DIMENSIONS

STUHL REGELSYSTEME • Am Wasserturm 1 • 91174 Spalt-Großweingarten Tel: 0 91 75 / 90 82-0 • Fax: 0 91 75 / 90 82-77 • E-Mail: vertrieb@stuhl.comwww.stuhl.com

ELECTRONIC THERMOSTAT STA 10, STA-AHK

Subject to change