Disassembly Procedure - Mitsubishi CITY MULTI PEFY Series Technical & Service Manual

8

DISASSEMBLY PROCEDURE

8-1. CONTROL BOX
OPERATING PROCEDURE
1.Removing the control box cover
(1) Remove the fixing screws (two) of the control box (A), and
remove the cover. (Fig. 1)
*At this stage, the following servicing is possible.
1 Operation and check of the switches (listed below) which
are on the control board.
• Dip switch SW2
• Dip switch SW3
• Dip switch SW4
2 Operation and check of the switches (listed below) which
are on the adress board.
• Rotary switches SW11, 12
• Rotary switch SW14
·······················
• Dip switch SW1
3 Connection check of the lead wires (listed below) which
are connected to the controller board.
• Power supply lead wire.
• Network remote contoller transmission lead wire.
• Fan motor lead wire.
• LEV lead wire
• Intake air sensor lead wire
• Liquid piping sensor lead wire
• Gas piping sensor lead wire
• Power supply transformer lead wire
• Address board lead wire
4 Control board exchange
5 Address board exchange
6 Condenser exchange
7 Power supply transformer exchange
8 Arrest exchange
9 Intake air sensor exchange
10 Power supply terminal bed exchange
1 1 Transmission terminal bed exchange
················· Capacity code setting
················· Function change
················· Model code setting
······ Address setting
··············· Branch port setting
Function change (main)
Be careful on removing heavy parts.
PHOTOS
fig.1
fig.2
(A)
14