Accessory List

T200 Series
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 221
Specifications
Typical Applications
Inputs
Power input
20 to 32 Vac, 75 mA to 1.2 amps (power-stealing thermostat, 75 mA required at all times. 250Ω,
5 watt resistor may be needed).
Outputs
Electrical Battery: Setpoint backup Energizer 357 or similar (battery included). 1.2 A inductive load max.
Control ranges
Setpoint range: 50 to 86°F (10 to 35°C).
Operating differential: Heating 1 or 2 F degrees field selectable, (0.6 or 1.1 C degrees), Cooling
2 F degrees (1.1 C degrees).
Mechanical
Material: Rigid vinyl.
Finish: Off-white.
Environment
Ambient temperature
limits
Shipping and storage: -4 to 125°F (-20 to 52°C).
Operating: 40 to 125°F (5 to 53°C).
Humidity 95% non-condensing.
Locations NEMA Type 1.
Dimensions
Thermostat:4 H x 2-1/2 W inches (102 x 64 mm).
Thermostat base and adaptor plate: 4-3/4 H x 4-1/4 W inches (121 x 108 mm).
Agency Listing None.
General Instructions Refer to F-27027.
Figure 1 T201 Wiring to Heating System With Single
Transformer.
Figure 2 T207 Wiring to Heating/Cooling System With
Single Transformer and Reversing Valve.
24 VAC
TRANSFORMER
24 VAC
120 VAC
HEATING
RELAY
RH
W
Optional 250W 5 watt resistor is needed
only if power drops below 75 milliamps.
1
1
24 VAC HEATING
TRANSFORMER
24 VAC
120 VAC
FAN
RELAY
COOLING
RELAY
RC
RH
Y
W
G
B
O
HEATING
RELAY
REVERSING
VALVE
1
FACTORY
INSTALLED
JUMPER
2
1 Optional 250W 5 watt
resistor is needed only if
power drops below 75
milliamps.
Either the B or O output
will be connected to the
reversing valve. Terminal
A supplies 24V on a call
for cooling. Terminal B
supplies 24V on a call for
heat. Do not connect both.
2