53
9-9. FUNCTION OF SWITCHES
PUHZ-W85VHA2.UK
PUHZ-W85VHA2R1.UK
PUHZ-W85VHA2R3.UK
PUHZ-W85VHA2-BS.UK
PUHZ-W85VHA2R1-BS.UK PUHZ-W85VHA2R3-BS.UK
PUHZ-W85VHA2R4.UK PUHZ-W85VHA2R5.UK
PUHZ-W85VHA2R4-BS.UK PUHZ-W85VHA2R5-BS.UK
Switch
Function
Selection
Default
setting*
Function details
Effective timing
(SW1, 8)/
Note (SW6)
Mark No.
ON
OFF
SW1
1
Manual
defrost
ON to start
Usual setting
OFF
Switch ON to manual defrost
When compressor
is working in heat-
ing mode. *
1
2
To clear error
history
ON to clear
Usual setting
OFF
Switch ON to clear (erase) the
following:
(1) Check codes and
Suspension flags in RAM
(2) Check codes and
Suspension flags in
EEPROM
OFF or operating
3
No function
—
—
OFF
—
—
4
No function
—
—
OFF
5
No function
—
—
OFF
6
No function
—
—
OFF
SW5
1
Max. fan step
selection
STEP 9
STEP 8
OFF
Selection of max. fan step at
the silent mode
Always
2
Max. frequency
selection
Middle level
Low level
OFF
Selection of max. compressor
frequency at the silent mode
Always
3
No function
—
—
OFF
—
—
SW6
1
No function
—
—
OFF
PCB may be damaged, if
switch is ON.
ON for other mod-
els
2
Defrost control
selection
For high humidity
Standard
OFF
Switch ON to change condi-
tions (standard/high humidity)
to start defrosting
—
3–6
Model Setting
Model
SW5
SW6
SW10
4
3
4
5
6
1
2
W85VHA2
0
1
0
1
1
0
1
W85VHA2R1/R3/R4/R5 1
1
0
1
1
0
1
1=ON, 0=OFF
As shown in
the left table
—
Make sure to set
SW5-4, SW6-3 to
6 and SW10-1,2
correctly
SW5 4
SW10 1,2
SW7
1
Breaker size setting
(Only for
W85VHA2R1/R3/R4/R5)
SW7
Breaker size
1
2
Both for indoor unit
and outdoor unit
Only for outdoor
unit
OFF OFF
25A (Default)
—
ON OFF
—
20A
OFF ON
20A
16A
ON
ON
16A
—
OFF
—
When power supply
ON
2
OFF
3–6
No function
—
—
OFF
—
—
SW8
1
Mode selection
Energy saving mode
Powerful mode
OFF
—
Always
2
No function
—
—
OFF
—
—
3
Separate Interface/
Flow temp.
controller-outdoor
unit power supplies
Separate power
supply
Outdoor unit power
supply
OFF
Power supply connection
method selection
When power supply
ON
<Important Note>
All these DIP switches on PUHZ-W85VHA2(R1/R3/R4/R5) are set as shown above.
Spare PCBs, however, will be supplied without any settings, which means that all DIP switches are switched OFF.
When servicing, please make sure to set all switches correctly, referring to the previous PCB which is removed from the unit.
*
1
Manual defrost should be done as follows.
1
Change the DIP SW1-1 on the outdoor controller board from OFF to ON.
2
Manual defrost will start by the above operation
1
if these conditions written below are satisfied.
••Heat•mode•setting
••10•minutes•have•passed•since•compressor•starts•operating•or•previous•manual•defrost•is•finished.
••Pipe•temperature•is•less•than•or•equal•to•8
:
.
Manual defrost will finish if certain conditions are satisfied.
Manual defrost can be done if above conditions are satisfied when DIP SW1-1 is changed from OFF to ON.
After DIP SW1-1 is changed from OFF to ON, there is no problem if DIP SW1-1 is left ON or changed to OFF again.
This depends on the service conditions.
OCH465D
