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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: [email protected]
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
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11 2 1
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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
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Dimensions 242 x 185 x 115 mm (W x H x D)
Weight approx. 1300g
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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
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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: [email protected]
ELECTRONIC THERMOSTAT STA 10, STA-AHK
Subject to change
