2
nd
Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual
bit bit
0
Temp. valve T5L
1
Tem p. va lv e T 5U
2
Tem p. va lve T4
3
Tem p. va lve T3
4
Tem p. va lve Tp
5
Tem p. va lve Th
6 X X Current valve
XX： COPM； Upper Element；
Lower Element
7
Opening
degree
EEV opening degree, 8 times to real value
8 X
Running mode:：
Economy， Hybird，
E-heater， Close
9
X
Fan speed：
stop， High， Mid，
Low
10
X
Model：
domestic type； oversea type
11
X X Previous 1
st
error or protection code
12
X X Previous 2
nd
t
error or protection code
13
X X Previous 3
rd
error or protection code
14 Y M M D D Software version, record by date
4 Maintenance
4.1 Maintenance
3.1.1 Check the connection between power supply plug and socket and ground wiring regularly;
3.1.2 In some cold area (below 0℃), if the system will be stopped for a long time, all the water should be
released in case of freezing of inner tank and damage of e-heater.
3.1.3 It is recommended to clean the inner tank and e-heater regularly to keep an efficient performance.
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