Справочник Пользователя для Mitsubishi Electronics PCA-A.KA4

•  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 outfl ow 

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 fi eld drain tubing (VP-20) to the joint socket 

 with a vinyl chloride

adhesive.

4. Wrap the drain tubing cover 

 supplied with the unit. (Seam taping)

 Drain pan
 Drain tubing
 Socket cover 
 Joint socket 
 Drain tubing cover

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.

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 radio frequency interface.
  Connect the electric cord of radio frequency interface securely to CN105 (RED) 
  on indoor controller board.
  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

junction box.

 Cover

 Grounding cable connector

 Set screws (2 pcs)

 Terminal block for wired remote controller

 Set screws (Beam)

7 Secure with the wiring clamp.

 Wiring clamp
 Indoor controller board
 Wire service entrance
 Terminal block for indoor and outdoor units connection

CN105

(RED)

7