Pump Remote Operation Mode; How To Start Compulsory Pump Operation; How To Stop Compulsory Pump Operation; Programme Initialising - Sanden GAU-A45HPA Service Book

1-3-8 Pump Remote Operation 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 five times to switch to
the Pump Remote Operation Mode. The display shows “"PuoF”" once the mode has
switched.

2) How to Start Compulsory Pump Operation

Press “"UP”" key to start the water circulation pump operation compulsorily. By
pressing the key, the display turns to ”"Puon”".

3) How to Stop Compulsory Pump Operation

Press “"DOWN”" key to stop the compulsory water circulation pump operation. By
pressing the key, the display turns to “"PuoF”".
4) 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 180 seconds when the pump is in operation, and 60
seconds when the pump is stopped. The compulsory pump operation command
cannot be retained if returning to the Clock Display Mode. The operation will be
stopped also when the mode is switched to another.

1-4 Programme Initialising

This product contains a programme that saves operation data to the flash ROM by
detecting a voltage drop. Therefore, an initialising is necessary when overwriting the
programme or changing the setting back to the default at the delivery.
As an initialising process, apply 240V power supply while holding down “"UP”" and
“"DOWN”" keys together. After the power is conducted, confirm the 7-segment LEDs
on the timer setting panel shows “"Fclr”", and the initialising is complete. After the
initialising is complete, unplug the power supply then plug it back on. (The system
continues to initialise unless plugging the power again, thus it would not step forward
to the heating process.)
1-5 Initial Setting List
Item
Block out Time
Error History Display Mode
Drive Setting Mode
Compulsory Operation
Mode
Pump Remote Operation
Mode
Initial Values
Start 00 o’'clock, End 00
o’'clock
Error number 0 to 9
Error code: E000
Error occurrence time: 0000
ON
OFF
OFF
Sanden Heat Pump –– Service Technical Book
Page 45 of 48
Display
0000
Err0 -> E000 -> 0000
:
Err9 -> E000 -> 0000
d_on
HPoF
PuoF