Parameter Display Mode - Sanden GAU-A45HPA Service Book

1-3-5 Parameter Display Mode

1) How to Change Mode
Press and hold down “"UP”" and “"DOWN”" keys together in the Clock Display Mode
to show the Block out Time Setting Mode. Press Enter key twice to switch to the
Parameter Display Mode. “"no.00”" will be displayed when the mode is switched
over.
2) How to Check Parameters
In the Parameter Display Mode, the display shows “"no.**”" and “"****”" repeatedly by
turns. (“"*”" should be a number on the actual panel. Display shows “"A***”" if below
o
0 C)
“"*”" in “"no.**”" shows the parameter item number and “"****”" shows the value of the
corresponding parameter.
Shown below is the list of the available parameters and their corresponding item
numbers.
no.00 Tank Thermistor A (10 times larger value to be displayed)
no.01 -
HP Ambient Temperature Thermistor (10 times larger value to be
no.02 displayed)
HP Inlet Temperature Thermistor (10 times larger value to be
no.03 displayed)
HP Outlet Temperature Thermistor (10 times larger value to be
no.04 displayed)
HP Defrost Temperature Thermistor (10 times larger value to be
no.05 displayed)
HP Discharge Temperature Thermistor (10 times larger value to be
no.06 displayed)
INV Heatsink Temperature Thermistor (10 times larger value to be
no.07 displayed)
:
no.98 Control software version number
no.99 Flash version number
3) How to Exit the Mode
Press and hold down “"Enter”" key to return to the Clock Display Mode.
Also, it automatically goes back to the Clock Display Mode when no panel
operation is performed for more than 60 seconds.
Sanden Heat Pump –– Service Technical Book
Page 43 of 48