Drainage Piping Work; Electrical Work - Mitsubishi Electric Mr. Slim PCA-A-KA7 Series Installation Manual

5. Drainage piping work

Fig. 5-2

6. Electrical work

Fig. 6-1
CN105
(RED)
Fig. 6-2
6
Fig. 5-1
Fig. 5-3
• For left side tubing, be sure to insert the rubber plug into the right drain port. (Fig.
5-1)
• Use VP-20 (O.D. ø26 (1") PVC TUBE) for drain piping and provide 1/100 or more
downward slope.
• After completion of work, check that correct drain is available from the outflow
port of the drain tubing.
Drain pan
Plug
Insert the driver etc.in the plug deeply.
Installing procedures (Fig. 5-2)
1. Attach the joint socket supplied with the unit to the drain port on the unit with a
vinyl chloride adhesive.
2. Fasten the socket cover supplied with the unit to the joint socket
3. Attach the field drain tubing (VP-20) to the joint socket
adhesive.
4. Wrap the drain tubing cover supplied with the unit. (Seam taping)
Drain pan
Drain tubing
Socket cover
Joint socket
Drain tubing cover
Insertion length 1-15/32 in. (37mm)
5. Check for correct drainage. (Fig. 5-3)
* Fill the drain pan with water of about 1/4 gal (1 L) from the air outlet.
6.1. Electric wiring
Wiring procedures
1. Remove the tapping screw then remove the beam.
2. Remove the (2) tapping screws then remove the electric part cover
3. <For wired remote controller>
Connect the electric wires securely to the corresponding terminals (Fig. 6-1)
4. Replace the removed parts.
5. Tie the electric wires with the local wiring clamp located in the right side of the
electrical box.
Cover Grounding cable connector
Set screws (2 pcs) Terminal block for wired remote controller
Set screws (Beam) Secure with the wiring clamp.
Wiring clamp
Indoor controller board
Wire service entrance
Terminal block for indoor and outdoor units connection
.
with a vinyl chloride
.