Mitsumi electronic PLA-ABA installation manual System control, Installing the grille

8. System control

Refer to the outdoor unit installation manual.

9. Installing the grille

Fig. 9-1

+3/16 0

A=11/16

Fig. 9-2

Fig. 9-3

Fig. 9-4
4-directional	3-directional
One pattern:	4 patterns:
Factory setting	One air outlet fully closed
Blowout
direction
patterns
2-directional
6 patterns:
Two air outlet fully closed
Blowout
direction
patterns

Table 1

(inch)

25/32	Main unit
to
	Screw with
9/32
	captive washer
1

Fig. 9-5

9.1. Checking the contents (Fig. 9-1)

• This kit contains this manual and the following parts.

Accessory name	Q’ty			Remarks
Grille	1	950		× 950 (mm), 37-3/8 × 37-3/8 (inch)
Screw with captive washer	4	M5		× 0.8 × 25
Gauge	1	(Divided into four parts)
Fastener	3
Screw	4	4	×	8
Screw	1	4	×	12
Wired remote controller	1	for PLP-42BAMD

9.2. Preparing to attach the grille (Fig. 9-2)

•With the gauge supplied with this kit, adjust and check the positioning of the unit relative to the ceiling. If the unit is not properly positioned relative to the ceil- ing, it may allow air leaks or cause condensation to collect.

•Make sure that the opening in the ceiling is within the following tolerances:

860 860 - 910 910 mm, 33-7/8 33-7/8 to 35-13/16 35-13/16 inch.

•Make sure that A is performed within 17-22 mm, 11/16-7/8 inch. Damage could result by failing to adhere to this range.

Main unit

Ceiling

Gauge (inserted into the unit)

Ceiling opening dimensions

9.2.1. Removing the intake grille (Fig. 9-3)

•Slide the levers in the direction indicated by the arrows to open the intake grille.

•Unlatch the hook that secures the grille.

*Do not unlatch the hook for the intake grille.

•With the intake grille in the “open” position, remove the hinge of the intake grille from the grille as indicated by the arrows .

9.2.2. Removing the corner panel (Fig. 9-4)

•Remove the screw from the corner of the corner panel. Slide the corner panel as indicated by the arrow to remove the corner panel.

[Fig.9-3] [Fig.9-4] Intake grille Grille

Intake grille levers

Grille hook

Hole for the grille’s hook

Corner panel

Screw

Detail

9.3. Selection of the air outlets

For this grille the discharge direction is available in 11 patterns. Also, by setting the remote controller to the appropriate settings, you can adjust the air-flow and speed. Select the required settings from the Table 1 according to the location in which you want to install the unit.

1)Decide on the discharge direction pattern.

2)Be sure to set the remote contoller to the appropriate settings according to the number of air outlets and the height of the ceiling on which the unit will be in- stalled.

Note:

For 3 and 2-directional, please use the air outlet shutter plate (option).

9.4. Installing the grille

9.4.1. Preparations (Fig. 9-5)

•Install the two enclosed screws with washer in the main unit (at the corner drain pipe area and at the opposite corner) as shown in the diagram.

16