Palm GH Installation And Operation Manual - 4 Error Code
4 Error Code
Shortly press
you can enter into the error code checking state Then press
key again you can check each error
code The error code meaning was given on the function book
Display Err Ex
or Err Px
For example
Err E2 Err P5
,
.
,
,
.
.
"
"
"
" .
:
,
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10
Item
Error Meaning
Error Code
1
Compressor air discharge temp sensor error
P2
2
Outdoor coil temp sensor error
P1
3
Outdoor ambient temp sensor error
P7
4
Air-conditioning returned water sensor failure
P3
5
Air-conditioning outletwater sensor fault
E1
6
Hot water tank sensor fault
E9
7
Solar temp sensor error
Pb
8
high pressure protection, or water source side water
flow volume too small
E7
9
Low pressure protection
P9
10
Outdoor Water flow error
P8
11
Indoor Water flow error, AC freezing protection
Pd
12
Missing phase / Wrong phase
PA
13
Indoor freezing protection
Pb
14
Water source inlet water temp error
EF
15
Water source outlet water temp error
EA
16
Water source heat exchange noefficient error
E8
17
Air discharge temp too high protection
E3
18
high pressure protection
E4
5 Installation
5 1 Installation information
.
Note!
DHW tank is too small then it may lead to rapid decline in water temperature during use, DHW tanks to use
recommended configuration as following
:
tank
and minimum water flow volume
Recommended water
volume
:
DHW tank
To keep the heat pump from freezing, please do not shut off the power supply of the heat pump in
winter. If the electricity is out of supply in winter, please drain out the water in the heat pump
.
(
%-
%
)
or you
can use brine 20
40
glycol
to replace pure water in case of electric cut off accident during
winter
DHW tank
Model
GH 8
GH 11
GH 15
GH 17
GH-30
-
-
-
-
≥300L
≥100L
≥100L
≥150L
≥200L
Water
flow volume
(Liter Hour
/
)
1200L h
/
1800L h
/
2400L h
/
3000L h
/
3500L h
/