Napoleon NH22 Series, Owner'S Manual & Installation Manual

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 Page 19 

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Indoor Unit

Installation 

Installation Instructions – Indoor unit 

PRIOR TO INSTALLATION

Before installing the indoor unit, refer to the 

label on the product box to make sure that the 

model number of the indoor unit matches the 

model number of the outdoor unit.

Step 1: Select installation location

Before installing the indoor unit, you must 

choose an appropriate location. The following 

are standards that will help you choose an 

appropriate location for the unit.

Proper installation locations meet the 

following standards:

Good air circulation

Convenient drainage
Noise from the unit will not disturb other 

people

Firm and solid—the location will not vibrate

Strong enough to support the weight of the 

unit

A location at least one meter from all other 

electrical devices (e.g., TV, radio, computer)

DO NOT

 install unit in the following 

locations:

Near any source of heat, steam, or 

combustible gas

Near flammable items such as curtains or 

clothing

Near any obstacle that might block air 

circulation

Near the doorway

In a location subject to direct sunlight

NOTE ABOUT WALL HOLE:

If there is no fixed refrigerant piping: 
While choosing a location, be aware that you 

should leave ample room for a wall hole (see 

Drill wall hole for connective piping 

step) 

for the signal cable and refrigerant piping 

that connect the indoor and outdoor units. 

The default position for all piping is the right 

side of the indoor unit (while facing the unit). 

However, the unit can accommodate piping to 

both the left and right.

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Refer to the following diagram to ensure 

proper distance from walls and ceiling:

Step 2: Attach mounting plate to wall

The mounting plate is the device on which you 

will mount the indoor unit.

Remove the screw that attaches the mounting 

plate to the back of the indoor unit.

Secure the mounting plate to the wall with
the screws provided.  Make sure that mounting 
plate is flat against the wall. 

12cm (4.75in)

or more

2.3m (90.55in) or more

12cm (4.75in)

or more

15cm (5.9in) or more

NOTE FOR CONCRETE OR BRICK WALLS:

If the wall is made of brick, concrete, or similar 

material, drill 5mm-diameter (0.2in-diameter) 

holes in the wall and insert the sleeve anchors 

provided. Then secure the mounting plate to 

the wall by tightening the screws directly into 

the clip anchors.

Screw

Indoor Unit Installation