Mitsubishi Electric PURY-P72 Service Handbook page 33
Hide thumbs
Also See for PURY-P72:
- Service handbook (403 pages) ,
- Service handbook (200 pages) ,
- Service handbook (387 pages)
Table of Contents
[ II Restrictions ]
CAUTION
1) Wiring should be covered by insulation tube with supplementary insulation.
2) Use relays or switches with IEC or equivalent standard.
3) The electric strength between accessible parts and control circuit should have 2750V or more.
Example of wiring connection
(1) CN51
Distant control
Relay circuit
board
L
X
1
Y
L
2
Preparations
in the field
L1 : Outdoor unit error display lamp
L2 : Compressor operation lamp (compressor running state)
X, Y : Relay (coil =<0.9W : DC12V)
1. Optional part : PAC-SC37SA-E or field supply.
(3) CN3N
Relay circuit
Adapter 2
X
1
2
Y
3
Preparations
Maximum cable
in the field
length is 10m
(4) CN3D
Relay circuit
Adapter 2
X
Y
Preparations
in the field
Maximum cable
length is 10m
X : Low-noise mode
Y : Compressor ON/OFF
X,Y : Relay Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum appicable load =< 1mA at DC
2. Optional part : PAC-SC36NA-E or field supply.
HWE09130
Adapter 1
Outdoor unit
control board
CN51
X
Y
5
4
3
Maximum cable
length is 10m
Outdoor unit
control board
CN3N
OFF
Y
ON
Cooling
X : Cooling / Heating
Y : Validity / Invalidity of X
X,Y : Relay
Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
2. Optional part : PAC-SC36NA-E or field supply.
Outdoor unit
control board
CN3D
1
2
3
(2) CN3S
Relay circuit
Adapter 2
1
X
2
3
Preparations
in the field
Maximum cable
length is 10m
X : Relay
Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
Snow sensor : The outdoor fan runs when X is closed
in stop mode or thermostat mode.
2. Optional part : PAC-SC36NA-E or field supply.
X
OFF
ON
Normal
Heating
Relay circuit
Adapter 2
1
X
2
3
Preparations
in the field
Maximum cable
length is 10m
X : Low-noise mode
X : Relay
Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
2. Optional part : PAC-SC36NA-E or field supply.
Low-noise mode : The noise level is reduced by controlling the maximum
fan frequency and maximum compressor frequency.
- 24 -
Outdoor unit
control board
CN3S
Outdoor unit
control board
CN3D
GB
Hide quick links:
Table of Contents
Troubleshooting
Related Manuals for Mitsubishi Electric PURY-P72
Related Products for Mitsubishi Electric PURY-P72
- Mitsubishi Electric PURY-P700YSLM-A(1)
- Mitsubishi Electric PURY-P750YSLM-A(1)
- Mitsubishi Electric PURY-P700
- Mitsubishi Electric PURY-P750
- Mitsubishi Electric PURY-P72TJMU-A
- Mitsubishi Electric PURY-P72TYJMU-A
- Mitsubishi Electric CITY MULTI PURY-P72YJMU-A
- Mitsubishi Electric CITY MULTI PURY-P72TJMU-A-BS
- Mitsubishi Electric CITY MULTI PURY-P72YJMU-A-BS
- Mitsubishi Electric CITY MULTI PURY-P72THMU-A
- Mitsubishi Electric CITY MULTI PURY-P72THMU-A-BS
- Mitsubishi Electric CITY MULTI PURY-P72YHMU-A
- Mitsubishi Electric CITY MULTI PURY-P72YHMU-A-BS
- Mitsubishi Electric PURY-P900YSLM-A(1)
- Mitsubishi Electric PURY-P240TSJMU-A
- Mitsubishi Electric PURY-P240TYSJMU-A