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 Control according to preset whether solar priority is set or not.
2 When tank connection is NOT set at SETTING mode, solar operation is disabled.
3 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:
o
Solar pump 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 [EEPROM 1 : 70]°C.
2 Stop
condition:
o
Solar pump 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 [EEPROM 2 : 77]°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:
o
Solar pump 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 [EEPROM 1 : 70]°C.
Heat pump thermo OFF in tank mode OR Heat pump operate to room side.
(During operation ON and tank mode selected)
Summary of Contents for WH-MDC06E3E5
Page 10: ...10 4 Location of Controls and Components 4 1 Mono Bloc Unit ...
Page 11: ...11 4 1 1 Main Components ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 15: ...15 4 1 3 Weekly Timer Setting ...
Page 16: ...16 4 1 4 Setting Up The Special Functions ...
Page 17: ...17 5 Dimensions 5 1 Mono Bloc Unit ...
Page 18: ...18 6 Refrigeration and Water Cycle Diagram ...
Page 19: ...19 ...
Page 20: ...20 7 Block Diagram ...
Page 21: ...21 8 Wiring Connection Diagram ...
Page 22: ...22 ...
Page 23: ...23 9 Electronic Circuit Diagram ...
Page 24: ...24 ...
Page 25: ...25 10 Printed Circuit Board 10 1 Water System 10 1 1 Main Printed Circuit Board ...
Page 26: ...26 10 1 2 Solar Printed Circuit Board Optional ...
Page 27: ...27 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board ...
Page 28: ...28 10 2 2 Capacitor Printed Circuit Board 10 2 3 Noise Filter Printed Circuit Board ...
Page 29: ...29 11 Installation Instruction Mono Bloc Unit Dimension Diagram ...
Page 30: ...30 Main Components ...
Page 39: ...39 Cool Mode Operation Time Chart 12 1 4 Cool Tank Mode Operation ...
Page 41: ...41 ...
Page 42: ...42 ...
Page 48: ...48 ...
Page 49: ...49 ...
Page 59: ...59 Solar Priority Not Set Heat Tank Mode Heating Priority Set ...
Page 60: ...60 Tank Mode Solar Priority Set Solar Priority Not Set ...
Page 109: ...109 17 3 To Remove The Cabinet Rear Plate 17 4 To Remove Pressure Gauge ...
Page 110: ...110 17 5 To Remove RCCB 17 6 To Remove Transformer and Electronic Controller Board ...
Page 117: ...117 18 4 Hydraulic Pump Performance ...
Page 119: ...119 ...
Page 122: ...122 19 2 WH MDC06E3E5 WH MDC09E3E5 Water System ...