User's Manual

Page

Heat-Pump System Test

This procedure allows the installer to bypass delays associated with the minimum on/off times.

OUTPUT TESTED PROCEDURE EXPECTED RESULT

Fan

Mode = Off

Fan = change from AUTO to ON

Fan should turn on and off

1ST stage cooling

Mode = COOL

Modify the SETPOINT by at least 5°F

(3°C) below room temperature and

SELECT ENGAGE HOLD

First stage cooling should

engage

2ND stage cooling*

Remain in COOL mode

Return to the Temporary HOLD function

and SELECT ENGAGE again

Second stage cooling should

engage

1ST stage heating

Mode = HEAT

Modify the SETPOINT by at least 5°F

(3°C) above room temperature and

SELECT ENGAGE HOLD

First stage heating should

engage

2ND stage heating**

Remain in HEAT mode

Return to the Temporary HOLD function

and SELECT ENGAGE HOLD again

Second stage heating should

engage.

Heating using

Auxiliary Heat**

Remain in HEAT mode

Return to the Temporary HOLD function

and SELECT ENGAGE HOLD again

Auxiliary heating should

engage (if there are more heat

stages than cool stages)

* Only in two stage heat pump systems;

** Only with Heat-Pump systems equipped with an Auxiliary Heater.