NEC NSC250F, NSC680F, NSR250F, NSR330F, NSC330F Owner's Manual
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Thank you for choosing our Air Conditioner. Please read this OWNER'S
MANUAL carefully prior to use and keep it for further reference.
This owner's manual is applicable to those split wall mounted models
whose cooling capacity is between 2000W(7000BTU/h) and 7000W
(24000BTU/h).
SPLIT WALL MOUNTED TYPE
AIR CONDITIONERS OWNER'S MANUAL
NSC250F
NSC330F
NSC680F
NSR330F
NSR250F
NSR680F
NSC510F
33
1212
Safety Awareness
Name of Parts
Service and Maintenance
Trouble Shooting
Performance Parameters
1313
55
22
CONTENTS
11
Contents
11
Operation of Remote Controller
88
PERFORMANCE PARAMETERS
1.The indicated noise parameter is measured in laboratories before leaving factory.
NOTICE
2.The rated cooling/heating capacity is tested under the following conditions:
Cooling operation
Heating operation
Indoor
Indoor
Outdoor
Outdoor
20 (DB)
35 (DB)
7 (DB)
19 (WB)
15 (WB)
24 (WB)
6 (WB)
5.Wiring diagram of air conditioner (indoor unit/outdoor unit) are attached to the indoor/ outdoor unit
respectively.
6.If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
27 (DB)
Maximum cooling Minimum cooling Maximum heating Minimum heating
Indoor side DB/WB( )
Outdoor side DB/WB( )
C
C
32/23 21/15 27/-- 20/--
43/26 21/15 24/18 -5/-6
3.Due to the policy of constant development, we reserve the right to modify technical data without
notice. While errors and omissions are a possibility, every reasonable effort has been made to
ensure that the information in this manual is correct.
4.Operating temperature range:
22
Rated cooling capacity(W)
Rated heating capacity(W)
Cool
Cool
Aux-heat
Aux-heat
Dehumidifying capacity (L/h)
Waterproof class
Noise(dB(A))
Net weight(kg)
Climate type
Power
Indoor
Outdoor
NSC250F
920
400
1.2
IP20(INDOOR) IP24(OUTDOOR)
I
T1
37
48
10
28
500x830x310
2800
4.2
3.9
400
1.2
3500
1300
1250
6.0
5.7
450
1.6
39
51
10
33
50
58
15
63
50
58
15
65
1280
6.1
460
1.6
2500
12.1
1100
3.3
2500
12.1
1100
3.3
38
47
10
30
39
48
10
31
920
890
Heat pump
Heat pump
Rated input
power(W)
Rated input
CURRENT(A)
Protection class
Dimension HxWxD
(mmxmmxmm)
Indoor
Outdoor
Outdoor
Indoor
Model
290x800x183
290x800x183
500x830x310
NSR250F
NSC330F
NSR330F
NSC680F
NSR680F
4.0
7500
2850
12.6
240V~, 50Hz
2500
2500
3500
3200
6600
6500
Air flow volume(m /h)
3
330x1080x220
850x870x365
Refrigerant(R22)charge amount(g)
500x830x310
290x800x183
500x830x310
290x800x183
330x1080x220
850x870x365
2050
9.3
750
43
55
14.5
49
NSC510F
5050
690x860x370
315x1020x178
2.5
720
1600
720 1100 800
2300 2350
Absolutely not
Must be done
Do not damage the power cord, or do joint work. Piling up
heavy objects on the power cable, approaching high
temperature supply objects, or doing joint work will cause
Do not apply the cold air to the body for a long time. It will
deteriorate your physical conditions and cause health problems.
WARNING
The air conditioner must be grounded. Incomplete grounding
may result in electric shocks. Do not connect the earth wire
to the gas pipeline, water pipeline, lightning rod, or telephone
earth wire. After installment, earth leakage examination must
be carried on through electrifying.
Pull out the power plug or turn off the power supply when
not using the air conditioner for a long time. (Accumulated
dirt might cause fire.)
Read and understand thoroughly this safety awareness before use.
Do not pull the power cable during operation. It can cause
fire. To pull out the plug, please turn off the unit and hold
the plug to pull it out.
Do not connect the wire from the middle of the power cable
or extend it. Do not use multi-hole sockets.
An earth leakage breaker with rated capacity must be
installed to avoid possible electric shocks.
SAFETY AWARENESS
The following pictures are presented just for the purpose of illustration. As for some models whose
cooling capacity is above 4600W(17000BTU/h), their power cables do not have a plug! So please
take real objects as a reference.
The items indicated here are very important safety precautions, which must be followed.
electric shock and fire.
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WARNING
Do not put burning appliances at places exposed to the
airflow, it may cause incomplete combustion.
Stop operation and turn off the breaker immediately if anything
abnormal occurs (such as burning smell or smoke).
Close doors and windows (preferably use a curtain) while
operating air conditioner for a long time, if room air is quite
turbid, you could open the door and window for a moment
to get some fresh air outside.
Do not install the air conditioner at places where flammable
gas may leak. If there is electrical leakage accidentally from
air conditioner, it is easy to cause fire or explosion.
Do not apply the unit for special purposes. Do not use to store
precision equipment, food, painting etc, which require certain
humidity and temperature, for their quality may be affected.
Do not open windows and doors while operating the air
conditioner at COOL/DRY mode for a long time under high
humidity condition (above 80%). Otherwise, condensed
water may drip from the unit.
The appliance shall be installed in accordance with national wiring regulations.
The appliance must not be installed in the laundry.
The appliance must be installed 2.3m above the floor.
The appliance must be positioned so that the plug is accessible.
For some models whose cooling capacity are above 4600W (17000BTU/h),
an all-pole disconnection device which has at least 3mm separation distance in
all pole shall be incorporated in the fixed wiring according to the national rule.
Do not insert a finger, a rod or any other objects into the air
outlet/inlet grille. As the fan is running at a high speed, it will
cause injury.
Clean the air conditioner with a piece of soft and dry cloth.
Do not use these stuffs for cleaning: chemical solvent,
insecticide, inflammable spraying materials which will
damage the appearance of air conditioner. Do not sprinkle
SAFETY AWARENESS
water directly on the indoor unit.
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