64
12.8 Indoor Back-Up Heater Control
12.8.1 Indoor Electric Heater Control
1 Normal Heating Mode
o
Heater
On
condition:
a. Heater switch is ON
b. After Heatpump thermo ON for
[30]
mins
c. After water pump operate
[9]
mins
d. Outdoor air temperature < Outdoor set temperature for heater
e. When water outlet temperature < Water set tempe
[-8
°
C]
f.
[20]
minutes since previous Backup heater Off
* When heatpump cannot operate due to error happens during normal operation, heater will go into
force mode automatic
* Heater need to operate during deice operation
o
Heater Stop Condition:
a. When outdoor set temperature > outdoor set tempe
[+2
°
C]
for continuous 15 secs OR
b. When water out temp> water set tempe
[-2
°
C]
for continuous 15 secs OR
c. Heater switch is Off OR
d. Heatpump thermo-off or OFF condition
2 Force
Heater
Mode
o
Heater
On
condition:
a. After water pump operate
[9]
mins
b. When water outlet temperature < water set tempe
[-8
°
C]
c.
[20]
minutes since previous Backup heater Off
o
Heater Stop condition
a. Force mode off
OR
b. When water outlet temperature > water set tempe
[-2
°
C]
for continuous 15 secs
* Do not operate heater at the following situation
1 Water outlet temperature sensor, and water inlet sensor abnormal
2 Flow switch abnormal
3 Circulation pump stop condition
4 During Heatpump switch to tank side
Содержание WH-SHF09F3E5
Страница 19: ...19 4 2 Outdoor Unit Air inlet rear Air outlet Air inlet side ...
Страница 32: ...32 10 1 2 Solar Printed Circuit Board Optional ...
Страница 48: ...48 67 C 67 C 60 C 65 C 63 C 67 C 67 C ...
Страница 49: ...49 60 C 60 C 65 C 65 C 72 C ...
Страница 55: ...55 67 C 67 C 67 C 67 C ...
Страница 56: ...56 67 C 67 C 60 C 60 C 55 C 75 C ...
Страница 57: ...57 67 C 67 C 60 C 60 C 55 C 75 C ...
Страница 138: ...138 19 2 WH UH09FE5 WH UH12FE5 50 53 55 56 54a 61 60 25 59 57 58 55 56 54 66 54a 50a 50a 58 64 28 65 62 62 22 46 ...
Страница 139: ...139 2 4 1 8 7 6 9 3 21 70 70 73 23 13 68 10 4 20 5 4a 4a 19 18 12 11 13 24 27a 74 74 26 16 27 15 ...