Outdoor
EEPROM in
trouble
★
★
★
a.
The EEPROM chip is loose;
b.
The EEPROM chip inserted with opposite
direction;
c.
The EEPROM chip is failure
Compressor
exhaust
temperature too
high protection
O
★
a.
The compressor exhaust temperature sensor is
failure;
b.
The refrigerant of the unit is not enough
Outdoor ambient
temperature
sensor in trouble
★
★
a.
The outdoor ambient temperature sensor
connect loose;
b.
The outdoor ambient temperature sensor is
failure;
c.
The outdoor control board is failure
Compressor shell
temperature too
high protection
★
O
a.
The compressor exhaust temperature sensor
connect loose
b.
The refrigerant of the unit is not enough
Anti-freeze
protection with
cooling or
overload
protection with
heating in indoor
unit
O
O
a.
The indoor coil temperature sensor connect
loose;
b.
The indoor coil temperature sensor is failure;
c.
The indoor control board is failure
d.
The refrigerant system is abnormal.
Compressor drive
in trouble
O
O
a.
The outdoor drive board is failure;
b.
The compressor is failure
c.
The outdoor control board is failure
Outdoor fan motor
locked rotor
protection
O
O
★
a.
The connection of the outdoor fan motor is loose;
b.
There are something block the outdoor fan;
c.
The fan motor is failure;
d.
The outdoor control board is failure
Outdoor coil
anti-overload
protection with
cooling
★
a.
The refrigerant is too much;
b.
The outdoor fan motor is failure;
c.
The outdoor fan is broken;
d.
The condenser is dirty;
e.
The air inlet and air outlet of the indoor unit and
the outdoor unit is not normally
- 21 -
Содержание WHP09SZA21S
Страница 9: ...Installation space requirement Unit in mm 8 Provide sufficient installation space for product safety ...
Страница 11: ...Model WHP12SZA21S Unit in mm 11 280 23 1 16 585 6 5 5 7 3 0 1 8 8 7 1 3 12 3 16 310 20 1 16 510 10 ...
Страница 16: ...Refrigerant circuit Models WHP09SZA21S WHP12SZA21S WHP18SZA21S and WHP24SZA21S 15 ...
Страница 19: ...Wiring diagrams Models WHP09WMA21S WHP12WMA21S WHP18WMA21S and WHP24WMA21S 18 ...
Страница 50: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 OUTDOOR UNIT WHP24SZA21S 49 ...
Страница 53: ......