T7079A,B SOLID STATE REMOTE TEMPERATURE CONTROLLERS
63-2572—04
6
CHECKOUT
CAUTION
Compressor Damage Possible.
Rapid cycling can damage compressor and
overload electrical circuits.
When controlling a compressor, allow at least 5
minutes between cycles to equalize internal pressure.
NOTES:
—
Checkout will depend on the type of hookup and
controlled equipment.
—
Keep in mind that, based on the terminal board
labels, the stage 1 relay is J4; the stage 2 relay is
J5.
With the controller installed and wired, use the following
procedure:
1.
Verify all settings.
2.
Apply power.
3.
Check for proper equipment response.
a. Cooling applications: turn the setpoint knob
counterclockwise until the stage LED lights.
b. Heating applications: turn the setpoint knob
clockwise until the stage LED lights.
NOTE: The stage LED indicates a call for cool/heat.
When it lights, the equipment should respond.
