21
Refers the timing off setting operation of group 1 to set
that of group 2.
3.Cancel all timing on/off settings
Long press “ ” for 3s to enter function interface.
“ ” clock icon will flicker and press “ ” to
choose the timing function. “ ” and “ ” flicker
simultaneously means choosing to cancel all timing
functions.
Press “ ” to cancel timing settings. “ ” and
“ ” both will be extinguished.
III.Functions of combination key
1.Force cooling
Press “ ” and “ ” simultaneously for 3s in the
main interface to enter into force cooling mode. The
force cooling mode icon will be constantly light.
Press “ ” button and “ ” button simultaneously
for 3s to quit force cooling mode. The unit will enter
power off mode automatically when quitting force
cooling mode.
ś
Quit parameter query function
If there’s no operation in 20s when enter the
parameter query, it will quit automatically and return
to the main interface.
Press “ ” and “ ” simultaneously to quit
parameter query manually.
2.Parameter
query
function
Ś
To enter parameter
query
function
Press “ ” and “ ” simultaneously for 3s to enter
into the interface of parameter
query
function. At this
moment, first 2 digits of the nixie tube will
display sequence number and the last 2 digits is
specific parameters.
Press “ ” or “ ” to query the relative parameters.
See
query
orders in Table 1-1.
Table.1-1 Query
orders
3.Auto-lock (unlock) function
If don’t operate the controller in 60s, the keyboard will lock automatically. Press “ ”and “ ” simultaneously
for 3s to unlock.
Frequency
Mode
Display operating frequency when the unit is in cooling mode and heating mode.
0-Power off
ˈ
1-water pump
ˈ
2-cooling
ˈ
3-heating
ˈ
4-force cooling
ˈ
5-force heating
No.
1
2
3
Content
Remark
Wind speed level
0-Power off (1-7)
4
Total capacity requirements
Capacity before revised (Force cooling displays 5)
6
Temp. set
Cooling/heating temp. set
7
T3
Condenser temperature sensor
8
T4
Outdoor ambient temperature sensor
9
Tp
Comp. Discharge temperature sensor
10
Tin
Inlet water temperature sensor of plate heat exchanger
11
Tout
Outlet water temperature sensor of plate heat exchanger
12
Tb1
Plate heat exchanger anti-freezing temperature sensor 1
13
Tb2
Plate heat exchanger anti-freezing temperature sensor 2
14
T6
Radiator surface temperature(reserved)
15
Unit operation current
Unit operation current
16
Power supply voltage AD value
Power supply voltage AD value
17
Opening of EXV
Model
Version number
Step number *8
18
Err1
19
Err2
20
Err3
21
22
5
Capacity requirements after revised
Capacity after revised (Force cooling displays 5)
(PCB has no such function)
(PCB has no such function)
(Operation panel has no such function)
(Operation panel has no such function)
4.Factory Reset:
In main interface, long press “ENTER” for 3s, the unit will close and recovers to factory default mode.
Display panel will display“OFF”
