Mitsubishi Electric PKH18FK Technical & Service Manual page 87

6. PROGRAM TIMER ADAPTER
This adapter is needed when a program timer(PAC-SK65PT)or a centralized remote controller(PAC-805RC)is used.
Part No.
6-1 Parts included
1 ADAPTER··························x1
6-2 Connection method
Connection and wiring methods differ with the type of the indoor unit used. Confirm the type before carrying out
the work.
(1) Connections in the adapter box
1. Connect the power supply cord to the terminal-block and fix it in-place with a tie-wrap.
Connect a single phase 200V (220, 230, 240V) AV to A N.
As E is the GND terminal, be sure to ground the earth wire.
2. Connect the transmission line to the transmission terminal-block and fix it in-place with a tie-wrap (when a
centralized remote controller is being used).
CAUTION : Never connect the power supply cord to the transmission terminal-block
Fig-1
TERMINAL-BLOCK
FOR
TRANSMISSION
Tie-wrap
Transmission cord
(2) When the centralized remote controller is used, set the address number with the dipswitch SW1 of the pro-
gram timer adapter.
2 3-core cable ···························x1
Length : 2m (6' 7")
4 4-core cable ···························x1
Length : 2m (6' 7")
SW1
Dip switch
(AG)
TRANS
CN1 CN21 CN51 CN30 CN42 CN50 CN40
Fuse(5A)
TRANSFORMER
PAC-825AD
Fig-2
TERMINAL-BLOCK
FOR POWER
SUPPLY
Terminal block for
transm ission to
program timer or
centralized remote
controller
Tie-wrap
POWER SUPPLY CORD
Wiring has to be changed when 200V power supply is used.
3 3-core cable ···························x1
Length : 2m (6' 7")
5 5-core cable ···························x1
Length : 2m (6' 7")
CN22
SW1
TRANS
T
(Y)
(W) (B)
5A
POWER
SUPPLY
A
N
E
87