Error Code; Installation; 1 Installation Information - Palm GH Installation And Operation Manual

Water source geothermal heating & cooling heat pump
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4 Error Code

,
Shortly press
you can enter into the error code checking state Then press
.
code The error code meaning was given on the function book
"
"
"
Display Err Ex
or Err Px
Item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

5 Installation

5 1 Installation information

.
DHW tank
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
Model
DHW tank
Water
flow volume
/
)
(Liter Hour
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
(
can use brine 20 40
winter
.
" .
:
For example
Err E2 Err P5
Error Meaning
Compressor air discharge temp sensor error
Outdoor coil temp sensor error
Outdoor ambient temp sensor error
Air-conditioning returned water sensor failure
Air-conditioning outletwater sensor fault
Hot water tank sensor fault
Solar temp sensor error
high pressure protection, or water source side water
flow volume too small
Low pressure protection
Outdoor Water flow error
Indoor Water flow error, AC freezing protection
Missing phase / Wrong phase
Indoor freezing protection
Water source inlet water temp error
Water source outlet water temp error
Water source heat exchange noefficient error
Air discharge temp too high protection
high pressure protection
Recommended water
-
GH 8
≥100L
/
1200L h
%-
%
)
glycol
to replace pure water in case of electric cut off accident during
.
.
,
.
tank
volume
-
-
GH 11
GH 15
≥100L
≥150L
/
1800L h
2400L h
Note!
10
,
,
key again you can check each error
Error Code
P2
P1
P7
P3
E1
E9
Pb
E7
P9
P8
Pd
PA
Pb
EF
EA
E8
E3
E4
and minimum water flow volume
-
GH 17
≥200L
/
/
3000L h
:
:
GH-30
≥300L
/
3500L h
or you

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