Mitsubishi PEH series User Manual

- 54 -
[3] Function of switches and connectors (outdoor unit)
(1) Function of switches
1) Function of switches
(Normal mode)
Switch
SW1
CN33
When
open
(Normal)
SW2
SW3
SW4
SW5
Switch effec-
tive timing
–
Running or
stopped
When power
turned on
Running or
stopped
stopped
stopped*
1
stopped
–
When power
turned on
When power
turned on
Operation by switch operation
ON OFF
––
Clear Normal
See pages 29 to 34.
Register Normal
Operate Stop
Heat Cool
–
Do not Do
Cooling only Heat pump
PUH-10MYF PUH-7, 8MYF
Normal mode
SW3 = Unrelated
Kind of
switch
DIP SW
Tact SW
DIP SW
DIP SW
Pole
1
2
3
4
5
6
1
2
3
4
5
6
1
2
1
2
3
4
Function
None
Abnormality history clear
Refrigerant system
address setting
Self diagnosis
Mode input register
Trial run
Trial run mode switching
None
3-phase power source
detection
Cooling only switching
Model setting
Remarks
Function
None
Night mode
Defrosting end switching
Defrosting prohibit time
switching
None
Switch effective
timing
–––
stopped
stopped
stopped
–
Switch
SW1
When
CN33
shorted
(mode
switching)
Operation by switch operation
ON OFF
Night mode Nor
Low noise mode
stopped
Low noise mode –
mal mode
Fixed Training
––
Kind of
switch
DIP SW
Pole
1
2
3
4
5
6
*1 Trial run performs trail run processing by input change while stopped. (For details, see the trail run section)
*2 Mode input is entered by SW3 OFF→ON change (___
↑
). Press and hold down SW3 for about 2 seconds. The set
mode can be registered according to the outdoor unit setting information on page 31.
2) Switch functions at set mode change
Note: After changing the mode by CN33 shorting (mode switching), return to the normal mode by opening CN33.
3) Connector function assignment
20 °C continuous 2 min-
utes
8 °C continuous 2 min-
utes
Set input mode
CN33 = short SW3 = ON*
2
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
OFF
ON
123456
01234
56789
10 11 12 13 14
15
→
Shows that Nos. 3, 4, 5 , and 6 of
SW1 are ON.
Type
Connector
Connector
CN31
CN32
CN33
Function
Emergency operation
Function test
DIP switch mode switching
Operation by open/short
short open
Start Normal
Function mode Normal
Mode switching Normal
Switch effec-
tive timing
At initialization
At initialization
stopped

Mitsubishi PEH series Specifications

General

Brand	Mitsubishi
Model	PEH series
Category	Air Conditioner
Language	English