Heat-Pump System Test - Tantalus ST-1480 Operating And Installation Manual

Heat-Pump System Test

This procedure allows the installer to bypass delays associated with the minimum on/off times.
OUTPUT TESTED
Fan
1ST stage cooling
2ND stage cooling*
1ST stage heating
2ND stage heating**
Heating using
Auxiliary Heat**
* Only in two stage heat pump systems;
** Only with Heat-Pump systems equipped with an Auxiliary Heater.
PROCEDURE
Mode = Off
Fan = change from AUTO to ON
Mode = COOL
Modify the SETPOINT by at least 5°F
(3°C) below room temperature and
SELECT ENGAGE HOLD
Remain in COOL mode
Return to the Temporary HOLD function
and SELECT ENGAGE again
Mode = HEAT
Modify the SETPOINT by at least 5°F
(3°C) above room temperature and
SELECT ENGAGE HOLD
Remain in HEAT mode
Return to the Temporary HOLD function
and SELECT ENGAGE HOLD again
Remain in HEAT mode
Return to the Temporary HOLD function
and SELECT ENGAGE HOLD again
EXPECTED RESULT
Fan should turn on and off
First stage cooling should
engage
Second stage cooling should
engage
First stage heating should
engage
Second stage heating should
engage.
Auxiliary heating should
engage (if there are more heat
stages than cool stages)
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