57
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-SHF09D3E8
Страница 10: ...10 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...
Страница 11: ...11 ...
Страница 12: ...12 ...
Страница 13: ...13 4 1 2 Weekly Timer Setting ...
Страница 14: ...14 4 1 3 Setting Up the Special Functions ...
Страница 15: ...15 4 1 4 Main Components 4 2 Outdoor Unit ...
Страница 16: ...16 5 Dimensions 5 1 Indoor Unit ...
Страница 17: ...17 5 2 Outdoor Unit ...
Страница 19: ...19 ...
Страница 20: ...20 7 Block Diagram ...
Страница 21: ...21 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SHF09D3E8 ...
Страница 22: ...22 8 1 2 WH SHF12D9E8 ...
Страница 23: ...23 8 2 Outdoor Unit ...
Страница 24: ...24 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SHF09D3E8 ...
Страница 25: ...25 9 1 2 WH SHF12D9E8 ...
Страница 26: ...26 9 2 Outdoor Unit ...
Страница 27: ...27 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Страница 28: ...28 10 1 2 Solar Printed Circuit Board Optional ...
Страница 29: ...29 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Страница 30: ...30 10 2 2 Noise Filter Printed Circuit Board ...
Страница 42: ...42 ...
Страница 48: ...48 ...
Страница 49: ...49 ...
Страница 59: ...59 ...
Страница 108: ...108 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...
Страница 109: ...109 17 5 To Remove RCCB ELCB 17 6 To Remove Transformer and Electronic Controller Board ...
Страница 116: ...116 19 2 WH UH09DE8 WH UH12DE8 ...
Страница 117: ...117 ...