Mitsubishi Electric PUHZ-SP100YKA, Service Manual

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65
OCH671
* 2 ‘Power failure automatic recovery’ can be set by either remote controller or this DIP SW. If one of them is set to ON, ‘Auto
recovery’ activates. Please set “Auto recovery” basically by remote controller because not all units have DIP SW.
Please refer to the indoor unit installation manual.
* 3 SW7-1,2 are used for demand control. SW7-1,2 are effective only at the demand control.
(Refer to the next page : Special function (b))
* 4 Please do not use SW7-3 to 7-5 usually. Trouble might be caused by the usage condition.
*
5 SW6-1 to 3: Function switch.
Type of
Switch Switch No.
Function
Action by the switch operation
Effective timing
ON OFF
Dip
switch
SW5
1 No function — — —
2
Power failure
automatic recovery
*2
Auto recovery No auto recovery When power supply ON
3,4,5,6 No function — — —
SW7 *4
1
Setting of demand
control *3
SW7-1 SW7-2
Power consumption
(Demand switch ON)
OFF OFF 0% (Operation stop)
ON OFF 50%
OFF ON 75%
2
3 Max Hz setting (cooling) Max Hz (cooling)
o
0.8 Normal Always
4 Max Hz setting (heating) Max Hz (heating)
o
0.8 Normal Always
5 No function — — —
6 Defrost Hz setting For high humidity Normal Always
SW8
1 No function — — —
2 No function — — —
3 No function — — —
SW9
1 No function — — —
2 Function switch Valid Normal Always
3,4 No function — — —
SW6
1 No function — — —
2 No function — — —
3 Fan motor check mode ON OFF
When power supply ON
during test run
4
5
6
7
8
1 2 3 4 5 6 7 8
OFF
ON
SW6-4, 5, 6, 7, 8
*5
MODEL
125V
1 2 3 4 5 6 7 8
OFF
ON
1 2 3 4 5 6 7 8
OFF
ON
100Y
125Y
140V
1 2 3 4 5 6 7 8
OFF
ON
1 2 3 4 5 6 7 8
OFF
ON
140Y