Product Data

2
SPECIFICATIONS
Inputs
Power Input: 24 to 277 Vac @ 50/60 Hz.
Power Consumption: 0.88 watts at maximum.
Connections:
Power, Up to 14 AWG wire.
Control, Up to 14 AWG wire.
Outputs
Electrical:
Heat/Cool Output Rating, Pilot Duty, 10 VA at 24 Vac, 20 VA at 120 -277 Vac.
Fan Switch, Refer to Table-1
Control
Deadband (TB155 Auto Changeover Models Only): 4F degrees (2.2C degrees).
Deadband (TA155-017 and TA155-018): 0F degrees (0C degrees).
Operating Differential: 1F degrees (0.6C degrees).
Setpoint Adjustment Range: 50 to 90°F (optional dial, 10 to 32°C).
Enclosure
Material, Rigid vinyl.
Finish, Cool gray.
Environment
Temperature Limits:
Shipping & Storage, -30 to 130°F (-34 to 55°C).
Operating, 32 to 130°F (0 to 55°C).
Shipping Weight: 0.31 lbs (140 g).
Location: NEMA Type 1.
Agency Listings
CE: Compliant.
a Fan and system must share the same voltage.
a Automatic changeover models have a 4F degree deadband between heating and cooling.
Table-1 Fan Switch Current Ratings (Amps).
a
Voltage
Inductive
Resistive Amps Pilot Duty
FLA LRA
24 N/A N/A N/A 24 VA
120 5.8 34.8 6.0 125 VA
240 2.9 17.4 5.0 125 VA
277 2.4 14.4 4.2 125 VA
Table-2 Model Chart.
Model Outputs Changeover Fan Control System Switches
TA155-010 Dual Manual Hi-Med-Lo Heat-Off-Cool
TA155-017 Single N/A Hi-Med-Lo On-Off
TA155-018 Single N/A None None
TB155-010 Dual Automatic
a
Hi-Med-Lo On-Off
TB155-015 Dual Automatic
a
None None