Mitsubishi Electric City Multi PFFY-P20VLRMM-E Technical & Service Manual page 14

[ V Wiring Diagram ]
Table.1 SYMBOL EXPLANATION
SYM- NAME
BOL
I.B. Indoor control board
A.B. Address board
TB2 Power supply terminal block
TB5 Transmission terminal block
TB15 Transmission terminal block
FUSE Fuse AC 250V 6.3A
ZNR01, Varistor
02
DSA Arrester
L1 AC reactor (Power factor im-
provement)
CN27 Connector (Damper)
LEV Electronic linear expan.valve
Note 1 Wiring to TB2, TB5, and TB15 indicated by the double-dashed lines is on-site work.
2 terminal block,
Table.2 OPERATION OF LED FOR INDOOR CIRCUIT BOARD SERVICE
SYMBOL LED operation under normal state
LED1 At applying main power source -> Lighting
LED2 At receiving MA transmission power source -> Lighting
HWE07170
SYM-
BOL
CN32 Connector (Remote switch)
CN41 Connector (HA terminal-A)
CN51 Connector (Centralized con-
trol)
CN52 Connector (Remote display)
CN90 Connector (Wireless)
TH21 Thermistor (inlet air)
TH22 Thermistor (liquid pipe)
TH23 Thermistor (gas pipe)
SW2 Switch (capacity code setting)
(I.B.)
SW3 Switch (function setting)
(I.B.)
connector.
- 9 -
NAME SYM-
BOL
SW4
(I.B.)
SWE
(I.B.)
SW1
(A.B.)
SW5
(A.B.)
SW7
(A.B.)
SW11
(A.B.)
SW12
(A.B.)
SW14
(A.B.)
SWA
(A.B.)
SWC
(A.B.)
NAME
Switch (model setting)
Connector (emergency opera-
tion)
Switch (function setting)
Switch (function setting)
Switch (model setting)
Switch (For setting the 1's digit
in the address)
Switch (For setting the 10's
digit in the address)
Switch (connection No.set-
ting)
Switch (static pressure set-
ting)
Switch (static pressure set-
ting)
GB