Mitsubishi Electric CITY MULTI PEFY-P-NMHU-E2 User Manual

18
HWE1212A
DISASSEMBLY PROCEDURE-Control box
8-2. Control box
Procedures Explanatory figure
1. Removing the control cover (Figure 2-1)
(1) Remove the two control box cover mounting screws.
(2) Remove the two terminal block cover mounting screws.
* The above procedures will allow for the following services to be
performed.
1
Operation and checking of the following switches on the
address board of the control board
Rotary switch SW11,12 Address setting
Rotary switch SW14 Port setting
Dip switch SW1 Function setting 1
Dip switch SW2 Capacity setting
Dip switch SW3 Function setting 2
Dip switch SW4 Function setting
Dip switch SW7 Function setting
Jumper pin SWE Test run
Dip switch SWA,SWC
Option setting
2
Checking of the wiring connections to the control box
(see below) and the field-installed wiring
Power wire (Field-connected)
Indoor-outdoor transmission line (Field-connected)
Remote controller wiring (Field-connected)
LEV wiring (Factory-connected)
Drain pump wiring (Factory-connected)
Drain sensor wiring (Factory-connected)
Fan motor wiring (Factory-connected)
Indoor temperature thermistor
wiring
(Factory-connected)
Liquid pipe temperature
thermistor wiring
(Factory-connected)
Gas pipe temperature thermistor
wiring
(Factory-connected)
3
Replacement of control board
4
Replacement of address board
5
Replacement of DSA board
6
Replacement of capacitor
7
Replacement of power supply transformer
8
Replacement of fuse
Terminal block cover
Control box cover
Figure 2-1
Control box
Figure 2-2

Mitsubishi Electric CITY MULTI PEFY-P-NMHU-E2 Specifications

General

Brand	Mitsubishi Electric
Model	CITY MULTI PEFY-P-NMHU-E2
Category	Air Conditioner
Language	English