Drainage Piping Work; Electrical Work - Mitsubishi Electric Mr. SLIM PCA-A GA Series Installation Manual

5. Drainage piping work

A
Fig. 5-1
A
C
D
A Drain pan
B Drain tubing (VP20)
C Socket cover 6
D Joint socket 5
E Drain tubing cover 7
Fig. 5-2

6. Electrical work

A
B
E
L1
Fig. 6-1
6
A Drain pan
B Plug
B
B
3.B
1.D
2.C
E
4.E
F
F Drain tubing sensor
Fig. 5-3
C
D
F
G
K
H
I J
5.1. Preparation for left side tubing installation (Fig. 5-1)
• For left side tubing, be sure to insert the rubber plug into the right drain port.
• Install the drain tubing as it slopes continuously downward.
• After completion of work, check that correct drain is available from the outflow port
of the drain tubing.
5.2. Installing procedures (Fig. 5-2)
1. Attach the joint socket 5 supplied with the unit to the drain port on the unit with a
vinyl chloride adhesive.
2. Fasten the socket cover 6 supplied with the unit to the joint socket 5.
3. Attach a PVC pipe (O.D. ø26 mm, 1-1/32 inch) to the joint socket 5 with a vinyl
chloride adhesive.
4. Wrap the drain tubing cover 7 supplied with the unit. (Seam taping)
5.3. Drain check (Fig. 5-3)
1. Fill the drain pan with water of about 1 L, 1/4 gal from the tubing sensor access
port.
2. Check the drainage.
3. After checking for correct drainage, replace the tubing sensor access port cover.
6.1. Electric wiring (Fig. 6-1)
Wiring procedures
1. Remove the (two) tapping screws then remove the electric part cover.
2. Connect the electric wires securely to the corresponding terminals.
3. Replace the removed parts.
4. Tie the electric wires with the local wiring clamp located in the right side of the
junction box.
A Cover
B Set screws
C Beam
D Wiring clamp
E Power supply board
F Control board
G Wire service entrance
H Terminal block for power supply (separate indoor/outdoor unit power supplies,
K-control application)
I Terminal block for indoor and outdoor units connection
J Terminal block for remote controller
K Grounding cable connector