26
9.
UNIT OPERATION
9 .7 Machine operational status Checking
Press
both key M and ▼ for 3 seconds, then entered machine status form. Show as below.
“C0”is part or parameter NO. , “28” stands for parameter. Parameter 0 means system on, 1 means system off.
For more detail, please check form below.
Press M+
▼ for 3 seconds to search and check parameters .
NO.
NAME
Range/Meaning
Default Status
Remark
00
external pipe temperature
-9~79
℃
no
Check
01
exhausted air temperature
1
(
Off
);
0
(
on
)
no
Check
02
Ambient temp.
-9~79
℃
no
Check
03
.
-9~79
℃
no
Check
04
water source inlet temp.
-9~79
℃
no
N/A
05
water source outlet temp.
-9~79
℃
no
N/A
06
power switch status
1
(
heating and cooling
);
0
(
heating only
)
no
Check
07
power switch status
0
(
air source
);
1
(
water source
)
no
Check
08
power switch status
1
(
DHW invalid
);
0
(
DHW valid
)
no
Check
09
power switch status
0
(
G1valid
);
1
(
G1 invalid
)
no
Check
10
high pressure switch status
1
(
off
);
0
(
on
)
no
Check
11
The second
high pressure
switch status
0
(
off
);
1
(
on
)
no
Check
12
Low pressure switch status
1
(
off
);
0
(
on
)
no
Check
13
Inside water flow controller
1
(
off
);
0
(
on
)
no
Check
14
outside water flow controller
0
(
off
);
1
(
on
)
no
Check
15
defrost
no
Check
16
AC antifreeze
no
Check
17
System antifreeze
no
Check
18
Compressor
1:on
;
0:off
no
Check
19
Outside fan
1:on
;
0:off
no
Check
20
crankcase heater
1:on
;
0:off
no
Check
21
4-way valve
1:on
;
0:off
no
Check
22
Bypass valve
1:on
;
0:off
no
Check
23
Solenoid valve 1
1:on
;
0:off
no
Check
24
Solenoid valve 2
1:on
;
0:off
no
Check
25
Solenoid valve 3
1:on
;
0:off
no
Check
26
Electric heater 1
1:on
;
0:off
no
Check
27
Electric heater 2
1:on
;
0:off
no
Check
AC out water temp