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NOTE: UNIT MAY BE SUPPORTED BY A

SOLID FRAME FROM BELOW OR
BY A HANGER FROM A SOLID
OVERHEAD SUPPORT.

FLASH OR SEAL AROUND EXTERNAL
WALL FRAME OR ARCHITRAVE

STURDY TIMBER
FRAME ALL ROUND
UNIT

DRAIN CHUTE

EXTERNAL SUPPORT
FRAME AT BALANCE
POINT OF RAC

Preferred method of installation into 

a timber framed wall, partition or window.

Alternative method of installation if external 

support cannot be provided.

ALTERNATIVELY, BRACKETS
AS ILLUSTRATED BELOW
MAY BE USED.

TIMBER FRAMED
WALL OR PARTITION

FLASH OR SEAL AROUND EXTERNAL
WALL FRAME OR ARCHITRAVE    

ENSURE LOUVRES
ARE ENTIRELY
OUTSIDE THE WALL.

DRAIN CHUTE

STURDY TIMBER
FRAME

STEADYING BRACKET
(ONE PER SIDE)

SOLID TIMBER SUPPORT

TIMBER FRAMED
WALL OR PARTITION

12

Safety

Precautions

Operating

Instructions

Installation

Instructions

Troubleshooting

Tips

Installation of the Housing

Installations of the unit into the Housing

Step 1
Remove the air conditioner from it’s packaging and slide the air
conditioner out of it’s housing.

Step 2
Prepare the hole in the wall so that the bottom of the housing is
well supported, the top has minimum clearace and the air inlet
louveres have clearance as shown. Holes from the outside through
to the cavity should be sealed. The housing should slope down
towards the rear by about 5mm to allow water formed during
operation to drain.

Step 3
Install the housing into the wall and secure. Ensure the foam seals
are not damaged. Flash, seal or fill gaps around the inside and
outside to provide satisfactory appearance and protection against
the weather, insects and rodents.

1. Slide the unit into the housing until it is firmly against the rear

of the housing. Care is required to ensure the foam sealing
strips on the housing remain in position.

2. Connect the air conditioner to the power and coil excess

cord length beneath the air conditioner base or control box.

3. Engage the Chassis Lock into the bottom housing rail and

secure to  the base with the screw provided.

4. Remove the front panel from it’s carton and plastic bag and

fit as per the Operating Instruction.

5. Switch unit on. Check for operation of the unit and check for

vibration in the installation.

6. Fit the drain chute to the housing and run a drain line to a

suitable location if required.

It is necessary to ensure that the side louvres are not obstructed when installing into the wall.

Summary of Contents for RC75

Page 1: ...C room air conditioner All NEC products have been carefully designed and prepared at the factory under strict quality guide lines We are confident that this product will give you daily comfort and sat...

Page 2: ...chart of troubleshooting tips If you review our chart of Troubleshooting Tips first you may not need to call for service at all READ THIS MANUAL CAUTION Contact the authorized Service technician for...

Page 3: ...w Be sure not to do Be sure to follow the instruction Plug in the power plug properly Otherwise it will cause electrical shock or fire due to heat generation Do not operate or stop the unit by inserti...

Page 4: ...or house plant where it will be exposed to direct air flow This could injure the pets or plants Do not use for special purposes Do not use this air conditioner to preserve precision devices food pets...

Page 5: ...a normal setting for average conditions AUTO SWING Only Auto Swing Models ON Air swing is operated while OPERATION knob is set to the COOL position OFF Stops the operation of air swing OPERATION OFF T...

Page 6: ...The unit may give a hiss and the fan motor stops for 1 to 10 minutes This should not be regarded as the trouble After defrosting the heating operation begins again 2 1 1 2 CAUTION When the air condit...

Page 7: ...tion The direction of air can be controlled horizontally or vertically by using the horizontal louver or vertical louver HORIZONTAL AIR DIRECTION Not Auto Swing Models The horizontal air direction is...

Page 8: ...CAUTION DO NOT operate the air conditioner without a filter because dirt and lint will clog it and reduce performance 8 Safety Precautions Operating Instructions Installation Instructions Troubleshoo...

Page 9: ...ier 2 Remove the rubber plug from the bottom of the base pan 3 Install the drain pan over the corner of the cabinet where you removed the plug with 4 or 2 screws 4 Connect the drain hose to the outlet...

Page 10: ...e cabinet must remain exposed to the outside of the structure CAUTION COOLING MODE INDOOR OUTDOOR MAX MIN MAX MIN 32 C 21 C 43 C 21 C HEATING MODE INDOOR OUTDOOR MAX MIN MAX MIN 27 C 20 C 24 C 1 C Do...

Page 11: ...he base pan handle and pulling forward while bracing the cabinet 3 Remove EPS Material for some Models 4 Slide the unit into the cabinet CAUTION For security purpose reinstall screw at cabinet s sides...

Page 12: ...d the top has minimum clearace and the air inlet louveres have clearance as shown Holes from the outside through to the cavity should be sealed The housing should slope down towards the rear by about...

Page 13: ...FRONT 45 BRICK CUT AWAY TO CLEAR LOUVRES 45 BRICK CUT AWAY TO CLEAR LOUVRES BRICK WALL BRICK WALL AIR IN AIR IN AIR OUT TOP VIEW OPTION B 13 Safety Precautions Operating Instructions Installation Ins...

Page 14: ...rtains blinds or furniture blocking the front of the air conditioner Turn the knob to a higher number The highest setting provides maximum cooling Clean the filter at least every 2 weeks See the opera...

Page 15: ...P NO 3828A20109H NEC AUSTRALIA PTY LTD A C N 004 803 490...

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