Wiring (Mm) - Mitsubishi Electric PAC-SF29LB Installationshandbuch

8-4. Wiring (mm)

(1) Remove the electrical cover.
2-Electric wire inlet
Electrical cover
(2) Insert the wiring and each thermistor into the unit, and then fasten them with the bands on the inside of the unit.
(3) Connect each wire to the terminal block securely.
(4) Connect each thermistor to the controller board.
Thermistor (liquid) → CN21
•
Thermistor (gas) → CN3G
•
Wiring
Terminal block:TB5
(to outdoor unit)
DC 24 V-30 V
(5) After installing the unit, install the electric cover.
12
Controller board
Wiring
Screws
Band
Controller board
Terminal
The cable for
block:TB3
grounding shall
(to indoor unit)
be longer than
DC 12 V
other cable.
Address-SW
Dip-SW Controller board
Liquid: CN21 Bands
Band
Gas: CN3G
Band
Caution
To prevent noise from occurring,
keep each thermistor wire away
from the power supply cable.
Band
Wiring
Terminal block:TB2
(power supply)
~/N 220-240 V/220 V
50/60 Hz
Terminal block
Thermistor-G (gas)
Black
Gray
Thermistor-L (liquid)