Description
The One Stage Setpoint Control 150 is a microprocessor-based control with a digital display and a remote sensor. The 150 has an extremely wide setpoint range and is accurate to within +0.5+F. Pulse width modulation control logic is provided for slow responding systems. Either heating or cooling systems can be controlled through the SPDT output relay.

Specifications:
Literature: D 150, A 150's, D 001, D 070
Control: Microprocessor control; This is not a safety (limit) control
Packaged Weight: 0.7 lb. (330 g), Enclosure C, white PVC plastic
Dimensions: 4-3/4" H x 2-7/8" W x 7/8" D (120 x 74 x 22 mm)
Approvals: CSA C US, meets ICES & FCC regulations for EMI/RFI
Ambient Conditions: Indoor use only, -20 to 120+F (-30 to 50+C), < 90% RH non-condensing
Power Supply: Class 2, 24 V (ac) +10% 50/60 Hz 1 VA or 32 V (dc) +20% 0.02 A
Relays: 240 V (ac) 8 A, 1/3 hp, pilot duty 240 VA
Sensors Included: NTC thermistor, 10 kW @ 77+F (25+C +0.2+C) +=3892 Universal Sensor 071
Optional Devices: Tekmar type #: 070, 071, 072, 073, 076, 077, 078, 079
Programmed Settings: Ten year memory backup
Control Accuracy: +0.5+F (+0.3+C) with up to 500 feet (150 m) of 18 AWG wire to sensors
Temperature Display: -85 to 302+F (-65 to 150+C)
Setpoint Operation: -40 to 239+F (-40 to 115+C)
Differential (Bang/Bang): 1 to 40+F (1 to 22+C)
Differential (PWM): 3 to 40+F (2 to 22+C)
Time Delay (Bang/Bang): 0 to 19 min. 50 sec.
Cycle Length (PWM): 30 sec. to 19 min. 50 sec.
Operating Mode: Heating / Cooling
Temperature Display: Fahrenheit / Celsius
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Specs
Application:
Single Boiler
Width:
2-7/8"
Height:
4-3/4"
Stages:
1 Heat
1 Heat/1 Cool
1 Cool
User Interface:
Push Button
LCD
Voltage:
24v
Depth (Inches):
7/8"
Ambient Conditions:
Indoor Only: -20°-120°F < 90% RH non-condensing
Power Supply:
24 V (ac)
32 V (dc)
Relays:
240 V (ac) 8 A-1/3 hp-pilot duty 240 VA
Temperature Range (F):
-40°-239°F
Min Temp (F):
-40°F
Max Temp (F):
239°F
Control:
Microprocessor Control
Weight (lbs):
.7 lbs
Accuracy:
+/- 0.5°F w/ up to 500 feet of 18 AWG wire to sensors
Sensors:
NTC Thermistor 10 k ohm @ 77°F
Temperature Display:
-85 to 302°F
Differential:
1° to 40°F
Max Temp Differential:
40°F
Min Temp Differential:
1°F
Programmed Settings:
Ten year memory backup
Cycle:
30 sec. to 19 min. 50 sec
Time Delay:
0 to 19 min. 50 sec.
Enclosure Type:
C
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