Mitsubishi Electric PURY-WP-YJM-A Data Book page 171

4. System component
4-3. Indoor unit "-E" type input/output connector
1.Wiring should be covered by insulation tube with supplementary insulation.
Caution: 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.
ON/OFF (Pulse) input specification
Item
Input signal Pulse sign (a connect)
Standard of pulse
Input
CN51
Distant control board Relay circuit
SW
Power supply
of relay
L 1
Y
L 2
Z
SW : Distant ON/OFF switch
L1 : Status lamp
L2 : Error lamp
X : Relay (a point of contact, fixed DC1mA)
Y, Z : Relay
Contact rating voltage >= 15VDC
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
CN32
Distant control board Relay circuit
Power supply
X
of relay
SW2
SW1
SW1 : Distant/Local switching
SW2 : ON/OFF switch
X, Y : Relay Contact rating voltage >= 15VDC
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
CN52
Distant control board Relay circuit
Power supply
of relay
X
SW1
SW1 : Demand switch
X : Relay (coil <=0.9W,12VDC)
SW1 Indoor unit
ON Forced thermo-OFF
OFF Normal running
Description
200msec or more
Adapter 1
Indoor unit
control board
1
X
CN51
X 2
3
Y
Z
4
5
Maximum cable
length is 10m[32ft.]
Every time the SW is pushed
(the pulse is inputted), it
reacts against ON/OFF.
Indoor unit
Adapter 2
control board
1
CN32
Y
2
X
3
Y
Maximum cable
length is 10m[32ft.]
SW2 is available when SW1
is ON.
Indoor unit
Adapter 1
control board
1
CN52
5
X
Maximum cable
length is 10m[32ft.]
CONTROLLER
Output
CN52
Distant control board Relay circuit
Power supply
L
of relay 1
X
Z
L 2
Y
L
3
Z
L1 : Status lamp
Fan motor output (SW1-5 OFF)
Thermostat ON (SW1-5 ON)
L2 : Cooling/Dry status lamp
L3 : Heating status lamp
X, Y, Z : Relay (Coil with fixed 12VDC, a power consumption of 0.9W or less)
1. Optional part : PAC-SA88HA-E or field supply
2. Optional part : PAC-SE55RA-E or field supply
Adapter 1
Indoor unit
control board
1
CN52
Y X
2
3
4
Maximum cable
length is 10m[32ft.]
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