Mitsubishi Electric PUZ-A18NHA2 Service Manual page 72

Type of
No.
Switch
Switch
1
2
automatic recovery w2
SW5
3,4,5
6
1
Setting of demand
control
w3
2
SW7
w4
Max. Hz setting(cooling)
3
Max. Hz setting(heating)
4
5
Dip
6
switch
1
SW9
2
3,4
1
2
3
4
SW6
5
6
7
8
6
SW5
w2 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 all units do not have DIP SW.
Please refer to the indoor unit installation manual.
w3 SW7-1,2 are used for demand control. SW7-1,2 are effective only at the demand control.
(Refer to next page : Special function (b))
w4 Please do not use SW7-3~6 usually. Trouble might be caused by the usage condition.
(2)Function of connector
Types
Connector
Connector CN31
Function
No function
Power failure
Auto recovery
No function
Model select
Max. Hz(cooling)
Max. Hz(heating)
No function
Defrost setting For high humidity
No function
Function switch
No function
MODEL
PUZ-A18N
PUY-A12N
PUY-A18N
Model select
PUZ-A24N
PUY-A24N
Function
Emergency operation
Action by the switch operation
ON
—
No auto recovery
—
Following SW5-6 reference
Power consumption
SW7-1 SW7-2
(Demand switch ON)
OFF OFF
0% (Operation stop)
ON OFF 50%
75%
OFF ON
o
0.8
o
0.8
—
—
Valid
—
SW6 SW5-5.6 MODEL
ON ON
PUZ-A30N
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
PUZ-A36N
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
PUY-A30N
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
OFF OFF PUY-A36N
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
PUZ-A42N
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
PUY-A42N
Action by open/ short operation
Short
Start
72
Effective timing
OFF
—
When power supply ON
—
Always
Normal
Always
Normal
Always
—
Normal
Always
—
Normal Always
—
SW6 SW5-5.6
ON ON
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
ON ON
OFF OFF
1 2 3 4 5 6 7 8 1 2 3 4 5 6
Effective timing
Open
When power supply ON
Normal
—
—
—
—
—