background image

OFF

AUTO SWING

HEATER

ON

HEATER

1

2

COOLER

WARMER

THERMOSTAT

OPERATION

THERMOSTAT

OPERATION

THERMOSTAT

OPERATION

1

2

HEATER

1

2

COOLER

WARMER

THERMOSTAT

OPERATION

1

2

COOLER

WARMER

COOLER

WARMER

6

Safety

Precautions

Operating

Instructions

Installation

Instructions

Troubleshooting

Tips

OPERATION 

OFF             (       ) : Turns the air conditioner off.
LOW FAN    (       ) : Permits the low fan speed operation

without cooling (heating).

LOW COOL (       ) : Permits cooling with the low fan

speed operation.

HIGH COOL(       ) : Permits cooling with the high fan

speed operation.

LOW HEAT  (       ) : Permits heating with the low fan

speed operation.

HIGH HEAT (       ) : Permits  heating  with  the  high  fan

speed operation.

HEATER LAMP

When the unit sets heating operation condition, the
green lamp is lighted.
When the frost settles on the heat exchanger of the
outside, defrosting is made automatically and the
green lamp is unlighted. 

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 conditioner has been performing its cooling operation and is turned off or set to the
fan position, wait at least 3 minutes before resetting to the cooling operation again.

THERMOSTAT

Turn the thermostat control to the desired setting.
The control position is a normal setting for average
conditions. You can change this setting, if
necessary, in accordance with your temperature
preference.
The thermostat automatically controls cooling or
heating, but the fan runs continuously whenever the
air conditioner is in operation. If the room is too
warm, turn the thermostat control clockwise. If the
room is too cool, turn the themostat control
couuterclockwise.

AUTO SWING
(Only Auto Swing Models)

ON     : Air swing is operated while

OPERATION knob is set to the
COOL or HEAT psition.

OFF   : Stops the operation of air swing.

The controls will look like the following.

Controls

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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