- 19-
setting on the work site.
In case reset all the parameters, the below points have to be reset according to
below table for different model, otherwise the unit can not work properlly.
Correct Parameter value
Code
Meaning
Range
9KW
Correct
value
11KW
Correct
value
16KW
Correct
value
P21
EEV manual open degree
(heating) /2
50~240
180
200
180
P22
EEV manual open degree
(cooling)/2
50~240
150
180
150
P23 EEV control method
0-No;
1-check;2-manual;3-auto
3
3
3
P24
EEV Temp differential to
stop the valve (heating)
-5~10℃
3℃
1
℃
2
℃
P25
EEV temp differential to
stop the valve (cooling)
-5~10℃
2℃
1
℃
4
℃
P26 water pump working
methord
0 (no stop); 1 reach temp
stop,2 stop for 15 mins
on 1 min
0
0
0
2.
forced anti bacterial, press M key for 5 seconds. With a beep, anti bacterial mode works with the setting temp.
hot water >= anti bacterial setting, exit
3
、
parameter reset
：
press wire controller
for 5seconds, with a beep, parameter reset
，
indoor PCB need to power
off and on again to make the change valid. parameter reset to default
。
4
、
functional parameter P14
：
When parameter valve =1
：
when unit working with AC heating
，
compare solar water
tank temp and AC return temp
，
When solar water tank temp – AC return water temp ≥5℃
，
electrical three valve G3 ON
；
when < 2℃
，
electrical 3 way
valve G3 OFF
。
When P14=0
，
G3 is seasonal valve
，
AC heating mode
，
G3 ON
；
AC cooling mode
，
G3 OFF
。
4.7 function DIP switch
：
SW1
（
after changes, will be valid after power resupply only
）
SW1-1
OFF
：
water source
；
ON
：
air source
SW1-2
OFF
：
AC heating control mode 1
；
ON
：
AC
heating control mode 2
SW1-3
reserved
SW1-4
OFF
：
inverter outdoor
；
ON
：
fix speed outdoor
SW1-5
Reserved
SW1-6
OFF
：
DHW valid
；
ON
：
DHW not valid
SW1-7
OFF
：
heating valid
；
ON
：
heating not valid
SW1-8
OFF
：
cooling valid
；
ON
：
cooling not valid
4
．
8 (Only checkable parameter list)
press wire controller
M +
▼
keys for 3S
，
it will show Cx to check the above parameter
No
name
Range / meaning
remark
00
out pipe temp
-30~97
℃
01
compressor discharge temp
-30~128
℃
02
ambient temp
-30~97℃
Calculation
SW1
