hydro-s A7/32 - Parameter Query and Setting

-12-
decrease;
Menu item
switch
switch to the next parameter.
3. In the parameter setting interface, press this key to
decrease the parameter value.
Note: The system exits to the home screen if no key is pressed within 10s in the parameter
query or setting interface. Any parameter change will be automatically saved.
SPT setting
On the home screen (on/off status), press "UP" and "DOWN" to adjust the set temperature SPT.
Press " " to exit SPT setting with the configuration saved.
The adjustable range of SPT is determined by the lower temperature limit (SPTL) and upper
temperature limit (SPTH).
No.
Parameter
Function
Value Range
Default Value
1
SPT
Target temperature control
{SPTL,SPTH}
25
Parameter query
Press "SET" to enter the parameter query interface, and press "UP" and "DOWN" to check
parameters.
No.
Parameter
Description
1
Return water temperature
Outdoor ambient temperature; –30°C to +70°C
2
Ambient temperature
Condenser pipe temperature; –30°C to +70°C
3
Load startup signal
Value "0" indicates load disabled, while value "1"
indicates load enabled.
PARAMETER CHECKING AND ADUSTMENT
Parameter setting
Hold "SET" to enter the parameter setting interface. The first "x" starts to blink. You can press
"UP" and "DOWN" to set this parameter and then press "SET" to confirm and exit to the
parameter query interface. The first "x" stops blinking. Below is the parameter list.
No.
Parameter
Description
Value Range
Default
Value
1
Operating mode
Unit operating mode setting
C: Cooling
H: Heating
H
2
Hysteresis
temperature (De)
Hysteresis temperature setting
1°C to 15°C
3°C
3
SPTL
Lower temperature limit setting
-30°C to SPTH
10°C
4
SPTH
Upper temperature limit setting
SPTL to 70°C
40°C
5
Load minimum
Setting of minimum shutdown
1min to 15min
3min