Specifications - Mitsubishi Electric QUHZ-W40VA Manuel D'installation

Wiring
Cylinder unit - Outdoor unit
Wire No.
(including earth cable)
× size (mm²)
Cylinder unit - Outdoor unit S1 - S2 *2
Circuit
en
rating
Cylinder unit - Outdoor unit S2 - S3 *2
*1. Max. 15 m
*2. The values given in the table above are not always measured against the ground value.
Notes:
1. Wiring size must comply with the applicable local and national cables.
2. Be sure to connect the cables between outdoor unit and cylinder unit directly. (no intermediate connections are allowed).
Intermediate connections may result in communication errors. (If an intermediate connection is necessary, be sure to take
measures to prevent water from entering the cables.)
If water enters at the intermediate connection point, it may cause insufficient insulation to earth or a poor electrical contact.
3. Install an earth longer than other cables.
4. Do not construct a system with a power supply that is turned ON and OFF frequently.

7. Specifications

Refrigerant
GWP
Amount kg
Sound Level(Measured under rated operating frequency.)
SPL Heating dB(A)
PWL Heating dB(A)
5
1
2
Earthing
terminal screw
Earth wire
Note: Install an
earth longer than
other cables.
Fig. 6-3
*1
QUHZ-W40VA
CO � (R744)
1
1.15
43
53
Crimp a ring terminal (available commercially) to the earth wire
(available commercially).
Connect the earth wire to the earthing terminal screw (
Reference tightening torque: 0.7 to 1.3 N-m
4 × Min. 2.5
230 V AC
24 V DC
mark).