Testing - Calorex VPT Series Owners & Installation Manual

OWNER/INSTALLATION MANUAL

5.0 TESTING

Inspect heat pump before use
• Check at e fan, air inlets and outlets are not
obstructed.
• It is prohibited to install refrigeration pipe or
components in corrosive environment.
a. Machine diagnostics.
To aid machine diagnosis e heat pump can report on
some conditions. These are shown in e table below.
To access ese readings press and hold e
for 5 seconds, and use e
The first number at is flashing is e parameter code.
Press to return to main menu.
QUERY CODE
1
2
3
4
5
6
7
8 to 14
22
Silent
and to scroll rough.
MEANING
Water inlet temperature
Water outlet temperature
Ambient temperature
Compressor exhaust gas temperature
Compressor suction gas temperature
Evaporator coil temperature
Condenser coil temperature
• Check at e electric wiring conforms to e
electric wiring diagram and at e machine is
ear ed.
• Double check at e main power switch is off.
• Check e temperature setting.
b. Factory reset
Press and hold e
Silent
seconds. is enters e customer parameter menu.
Press and hold e
Silent
seconds again and e reset is done. The buzzer will
sound twice and all parameter values will change back
to eir default values.
-20~99°C
-20~99°C
-20~99°C
0~125°C
-20~99°C
-20~99°C
-20~99°C
Ignored
and toge er for 5
and toge er for 5
RANGE
1005759 ISSUE 3