R32 ATW Service Manual
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13.5 Electric auxiliary heating
1. When the unit is in heating mode or timer heating mode is ON, in the main interface, press electric
auxiliary heating button
, the hydronic module electric heater icon
is displayed to open
electric heater.
When water outlet temperature T1 ≤ (setting temperature T
S
-6
℃
), the electric heater will work and
the icon
will still show. If not, this icon
will disappear.
When T
1
≥ T
S
or T4 temperature sensor is fault, the electric heater will stop working.
When the electric heater is working, if press the button
, the electric heater will not stop working
until T
1
≥ T
S.
13.6 Forced defrosting
Long press electric auxiliary heating button
, “dF” will be displayed. If the unit is in heating mode
or DHW mode and T3 (outdoor unit heat exchanger temperature) is lower than 15
℃
, the unit will enter
forced defrosting mode.
13.7 Sterilization mode
Long press mode setting button
, the water tank electric heater icon
flashes 5s, and the high-
temperature sterilization mode is manually activated (only available when DHW mode or
cooling(heating) + DHW combination mode).
After flashing 5s, if the hydronic module is running sterilization mode, the icon
will still flash
until it exit sterilization mode.
Exit condition: 1. Water tank temperature T7 ≥ 70
℃
and last 30 minutes;
2. Run sterilization mode more than 3 hours.
13.8 Weekly timer setting
When it reaches to setting time, the unit will start to work according setting mode and temperature or
shutdown the unit.
13.8.1 Weekly timer setting
Press setting button
twice, the weekly timer icon
flashes, long press
button to enter the
Содержание FHIF-WHS-120CE3
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Страница 9: ...R32 ATW Service Manual 7 1 2 2 Hydronic module FHIF WHS 120CE3 FHIF WHS 160CE3...
Страница 18: ...R32 ATW Service Manual 16 Pic 4 3 Domestic hot water mode operation range...
Страница 23: ...R32 ATW Service Manual 21 8 System diagram...
Страница 24: ...R32 ATW Service Manual 22 9 Wiring diagram 9 1 Outdoor unit 9 1 1 9 1 2 FHOF WHS 100CE3 FHOF WHS 160CE3 3F...
Страница 28: ...R32 ATW Service Manual 26 Main PCB 3 Hydronic module Main PCB...
Страница 29: ...R32 ATW Service Manual 27 Filter board...
Страница 34: ...R32 ATW Service Manual 32 Model FHOF WHS 160CE3 3F...
Страница 35: ...R32 ATW Service Manual 33 Single unit installation More than one unit installation Unit mm...
Страница 46: ...R32 ATW Service Manual 44 HEATING MODE COOLING MODE...
Страница 47: ...R32 ATW Service Manual 45 HEATING MODE WITHOUT COOLING MODE DHW MODE WITHOUT COOLING MODE...
Страница 48: ...R32 ATW Service Manual 46 HEATING MODE WITHOUT DHW MODE AND DHW TANK ONLY DHW MODE...
Страница 56: ...R32 ATW Service Manual 54 When the unit has error code alarm port has a 220V output...
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