61
2. Backup heater anti freeze control:
Backup heater turns ON when
ALL
the below conditions are fulfilled:
o
Water inlet/outlet temp. < 6°C
o
Water pump circulation anti freeze control activated, and water pump ON for 4 minutes
Backup heater turns OFF when
ANY
of the below conditions is fulfilled:
o
Water inlet/outlet temp. > 28°C
o
Water pump circulation anti freeze control deactivated/water pump OFF
However, if backup heater is abnormal (H70), then backup heater anti freeze control will not activate.
12.16 Solar Operation (Optional)
12.16.1 Solar Operation
1 External solar heat source signal can be connect to unit for proper control of heat source switching during
tank boiling time.
2 Control according to preset whether solar priority is set or not.
3 When tank connection is NOT set at SETTING mode, solar operation is disabled.
4 When Pump A (from solar pump station) is detected On through connection Y3 and Y4, then the Solar pump
3 Way Valve is requested ON (Refer to figure below).
12.16.2 Solar Operation Control
When solar priority is SET
1 Operation
condition:
a
3 way valve operates if all of the following conditions are fulfilled:
Power On. (regardless operation ON or OFF)
There is operation request from solar pump station.
Tank hot water temp is below solar on upper limit temp 72°C.
2 Stop
condition:
a
3 way valve stops operating when:
No power supply to unit
OR
There
is
NO
operation request from solar pump station
OR
Tank hot water temp is above solar off upper limit temp 80°C.
* heat pump OFF OR operate to room side when solar pump operate during solar priority set.
* booster heater OFF when solar pump operate during solar priority set.
When solar priority is NOT SET
1 Operation
condition:
a
3 way valve operates if all of the following conditions are fulfilled:
Power On. (regardless operation ON or OFF).
There is operation request from solar pump station.
Tank hot water temp is below solar on upper limit temp 72°C.
Heat pump thermo OFF in tank mode OR Heat pump operate to room side
(during operation ON and tank mode selected).
Содержание WH-MXF09D3E8
Страница 10: ...10 4 Location of Controls and Components 4 1 Mono bloc Unit ...
Страница 13: ...13 ...
Страница 15: ...15 4 1 4 Basic Operation 4 1 5 Advance Operation ...
Страница 16: ...16 4 1 6 Weekly Timer Setting ...
Страница 17: ...17 5 Dimensions 5 1 Mono bloc Unit ...
Страница 18: ...18 6 Refrigeration And Water Cycle Diagram ...
Страница 19: ...19 ...
Страница 22: ...22 8 Wiring Connection Diagram 8 1 WH MXF09D3E8 WH MXF09D3E8 1 ...
Страница 24: ...24 8 2 WH MXF12D9E8 WH MXF12D9E8 1 ...
Страница 26: ...26 9 Electronic Circuit Diagram 9 1 WH MXF09D3E8 WH MXF09D3E8 1 ...
Страница 28: ...28 9 2 WH MXF12D9E8 WH MXF12D9E8 1 ...
Страница 30: ...30 10 Printed Circuit Board 10 1 Water System 10 1 1 Main Printed Circuit Board ...
Страница 31: ...31 10 1 2 Solar Printed Circuit Board Optional ...
Страница 33: ...33 10 2 2 Noise Filter Printed Circuit Board ...
Страница 34: ...34 11 Installation Instruction Mono bloc Unit Dimension Diagram ...
Страница 35: ...35 Main Components ...
Страница 46: ...46 ...
Страница 52: ...52 ...
Страница 53: ...53 ...
Страница 63: ...63 ...
Страница 111: ...111 17 3 To Remove The Cabinet Rear Plate 17 4 To Remove Pressure Gauge 17 5 To Remove RCCB ...
Страница 114: ...114 17 10 To Remove Bottle Complete When reinstall the water pipe use grease or water at the joining ...
Страница 118: ...118 19 Exploded View and Replacement Parts List 19 1 Refrigerant System ...
Страница 119: ...119 ...
Страница 123: ...123 19 2 Water System ...