Conventional 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
1
ST
stage cooling
Mode = COOL
Lower the setpoint by at least -3°F (-2°C)
from room temperature and press
ACCEPT to engage HOLD
First stage cooling should
engage
2
ND
stage cooling*
Remain in COOL mode, lower setpoint
by at least one degree (°F or °C) and
press ACCEPT again.
Second stage cooling
should engage
1
ST
stage heating
Change mode to HEAT, rise the setpoint
by at least +3°F (+2°C) above room
temperature and press ACCEPT
First stage heating should
engage
2
ND
stage heating**
Remain in HEAT mode, raise setpoint by
at least one degree (°F or °C) and press
ACCEPT again.
Second stage heating
should engage
* Only in two stage cooling systems.
** Only in two stage heating systems.
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