Service
-
-
31 - S. fault HP
NO
NO
Is the saturated temperature of
balanced pressure same or similar
to the outdoor air temperature
when the outdoor unit is stopping.
YES
YES
Is the service valve on the refrigerant
line open?
Is the service valve on the water
line open?
Is the valve(s) (QM31 or QN11)
functioning properly?
Is the operation signal of the
valves outputted correctly?
Is there clogging on the strainer
on the water line?
NO
Is the circulation pump setting (2.2.5)
done properly?
Set the appropriate value
to obtain enough water flow.
If the phenomenon persists,
Is the operation signal of the pump
outputted correctly?
Replace the refrigerant.
Connect it correctly
Replace the pump.
Open it.
Clean-up the strainer.
Is air-bleed done properly?
Open it.
Bleed the air in the water line.
Is the pressure sensor (BP4)
correctly connected?
YES
Does the pressure (external meter)
correspond with the value
displayed in the indoor unit?
NO
Replace the pressure sensor.
YES
YES
YES
YES
YES
NO
NO
NO
Replace the indoor unit relay board AA6.
NO
Replace the valve(s).
Replace the indoor unit relay board AA6.
NO
YES
YES
YES
NO
NO
Troubleshooting guide
Содержание FDCW100VNX
Страница 7: ...For Home Owners 6 For Home Owners ...
Страница 20: ...Installation 19 Installation ...
Страница 42: ...Control 41 Control ...
Страница 66: ...System description 65 System description ...
Страница 81: ...Service 80 Service ...
Страница 138: ...Service Component replacement HM270V FDCW100VNX K E L LEK 1 2 5 6 LEK 3 4 LEK 7 LEK LEK LEK Component replacement ...
Страница 148: ...Components 147 Components ...
Страница 155: ...Technical data 154 Technical data ...
Страница 156: ...Technical data Electrical circuit diagram 155 Electrical circuit diagram HM270V ...
Страница 157: ...Technical data Electrical circuit diagram 156 ...
Страница 158: ...Technical data Electrical circuit diagram 157 ...
Страница 159: ...Technical data Electrical circuit diagram 158 ...
Страница 160: ...Technical data Electrical circuit diagram 159 ...
Страница 166: ...Technical data 165 Dimensions Indoor unit 32 32 55 95 65 52 185 40 42 645 30 60 1760 350 337 127 500 550 Dimensions ...