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ComfortStar NEI32 User Manual

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Com昀漀爀琀Star
®
User's Manual
Indoor Unit: NEl32
/
A
RECOGNIZE THIS SYMBOL AS A SAFE吀夀 PRECAUTION
ATTENTION INSTALLING PERSONNEL
Prior to installati on, thoroughly familiarize yourself with this lnstallatio n Manual. Observe all safety warnings.
During installation or repair, cautio n is to be observed
It is your responsibility to install the product safely and to educate the custo mer on its safe use
Eair LLC
12201 N.W. 107
䄀瘀enue, Medley, FL 33178
th
www.comfortstarusa.com

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Summary of Contents for ComfortStar NEI32

  • Page 1 Com昀漀爀琀Star ® User's Manual Indoor Unit: NEl32 RECOGNIZE THIS SYMBOL AS A SAFE吀夀 PRECAUTION ATTENTION INSTALLING PERSONNEL Prior to installati on, thoroughly familiarize yourself with this lnstallatio n Manual. Observe all safety warnings. During installation or repair, cautio n is to be observed It is your responsibility to install the product safely and to educate the custo mer on its safe use Eair LLC 12201 N.W.

  • Page 2: Table Of Contents

    Contents Caution Statements............................1 Safety Precautions.............................. 3 Composition of the Air-Conditioner........................8 Operation Manual Remote controller............................... 9 Special Remarks............................... 11 Trouble Shooting............................... 11 Installation and Maintenance 1. Safety Notice..............................13 2. The Tools and Instruments 昀漀r Installation....................14 3. The Installation of the Indoor Unit......................... 14 3.1 Before Installation..........................

  • Page 3: Caution Statements

    ＿ CAUTION Statements Alert Symbols: 冒 : The symbol refers to a hazard which can result in severe personal injury or death . 䄀尀 W A RN I NG ] : The _ sy . � bol refers to a hazard or an unsafe practice which may result in severe personal injury or death .
  • Page 4 CAUTION Statements � I • Never use gasoline or other inflammable gas near the ai -conditioner, which is very 「 dangerous. • When the air conditioner operation is abnormal, such as burnt smell, deformation, fire, smoke, and so on, it is forbidden to continue using the air conditioner, the main power switch of the air conditioner must be cut o昀昀...

  • Page 5: Safety Precautions

    Safety Precautions Precautions for using R32 refrigerant The basic installation work procedures are the same as the conventional refrigerant (R22 or R41 OA). However, pay attention to the following points: �WARNING 1. Transpo爀琀 of equipment containing flammable refrigerants. Attention is drawn to the fact that additional transportation regulations may exist with respect to equipment containing flammable gas.
  • Page 6 Safety Precautions �WARNING •The following checks shall be applied to installations using flammable refrigerants: - The charge size is in accordance with the room size within which the refrigerant containing parts are installed; - The ventilation machinery and outlets are operating adequately and are not obstructed; - If an indirect refrigerating circu仆is being used, the secondary circuit shall be checked 昀漀r the presence of refrigerant;...
  • Page 7 Safety Precautions �WARNING Detection of flammable refrigerants • Under no circumstances shall potential sources of ignition be used in the searching 昀漀r or detection of refrigerant leaks. • A halide to ch (or any other detector using a naked flame) shall not be used. 「...
  • Page 8 Safety Precautions 椀琀 WARNING Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of reclaimed refrigerant. It is essential that electrical power is available before the task is commenced. a) Become familiar with the equipment and its operation.
  • Page 9 Safety Precautions 椀琀 WARNING •Appliance shall be installed, operated and stored in a room with a floor area larger than X (X see below). •The installation of pipe-work shall be kept to a a room with a floor area larger than X (X see below). •The pipe-work shall be complianced with national gas regulations.

  • Page 10: Composition Of The Air-Conditioner

    Composition of the Air-conditioner Indoor Unit Air Intake FiIter {Inside of Air Intake} Display Panel AirOut|et) Vertical Louver (Insi d e of Hori z ontal Louver) CHorizonta| Louve爀⤀ eless Remote Cont爀漀ller 「 Display Panel Signal receiving section一 Receives signal from Infrared receiver head theremote controlle 「.

  • Page 11: Operation Manual

    Operation manual Remo te contro ll e r(RS485 Comm. Mode) Button Function Description 严 公＊自染云袄B38 三 This button changes the operation mode: A U TO, 岭 COOL,DRY,HEAT,FA N . 夺 器＠ 劣“'仁 争＜ᰶ、8：ᨚ趴dB:88 ＠ This button, when pressed starts operation and stops when repressed.
  • Page 12 Operation manual Button Function Description 曰 Press this button to make the AC keep quiet. 曰 Press this button to turn o昀昀 the indications on the device. Press this button to CLEAN when the device and remote control are OFF, and the cleaning icon will be displayed on the remote control.

  • Page 13: Special Remarks

    Operation manual Special Remarks • 㨀℀-min � te _ protection a �‫ ﵴ‬er compressor stop To protect compressor, it will be o昀昀 continuously for at least 3 minutes once it has stopped. • 5- minute protection Compressor must run for at least 5 minutes once it has operated. During the 5 minutes, compressor will not stop even that the room temperature reaches the set temperature point unless you use remote controller to turn o昀昀...
  • Page 14 Operation manual 5. Mode Inte爀昀ere Multi - zone outdoor units can only support a single mode at one time (cooling or heating). When the mode set at one or more indoor unit is di昀昀erent from the mode that outdoor unit is using, mode interfere will occur.

  • Page 15: Installation And Maintenance

    Installation and Maintenance 1. Safety Notice | AWARNING | • Installation should be performed by a qualified personnel. (Improper installation may cause water leakage, electrical shock or fire.) • Install the unit according to the instructions given in this manual. (Incomplete installation may cause water leakage, electrical shock or fire).

  • Page 16: The Tools And Instruments 昀漀R Installation

    Installation and Maintenance 2. The Tools and Instruments for Installation Number Tool Number Tool Standard screwdriver Knife or wire stripper Refrigerant vacuum pump Level Charge hose Hammer Pipe bender Drill Adjustable wrench Flaring kit Pipe cutter Inner hexagon spanner and torque wrench Cross head screwdriver Measuring 吀愀pe 3.

  • Page 17: Installation Location

    Installation and Maintenance 3.2 Installation location 3.3 Installation According to the actual installation space, installation • Select the suitable areas to install the unit with can be done at the ceiling or on the floor . approval of the user . 3 .
  • Page 18 Installation and Maintenance 米The outlet through which the pipes are taken out (2) Remove side panel. is available in three directions. Remove the screw and detach the side panel by 米Pipes can be taken out in 3 directions (rear, right sliding it towards the direction indicated by the arrow or top).
  • Page 19 Installation and Maintenance (2) • Place the le昀琀 hanger bracket on the nuts and 䘀氀oor s琀愀nding 琀礀pe insta氀氀ation washers of the suspension bolts. (1) Select the suspension bolt locations and the pipe hole location. • Make sure that the le昀琀 hanger bracket is fixed on I.

  • Page 20: Refrigerant Pipe

    �一 Installation and Maintenance 4. Refrigerant Pipe (2) As shown in Fig. 4.4, screw up the nuts with 2 spanners. Use the R32 ref igerant. During leakage check and 「 test, do not mix oxygen, acetylene and other flammable or reactive gases. These gases are quite dangerous, and may possibly cause explosion.
  • Page 21 Installation and Maintenance 5. Drain piping • Install the drain piping | ACAUTION | igerant pipes Drain piping connections 「 •Do not connect the drain directly to sewage pipes have a smell of ammonia. The ammonia in the sewage might enter the indoor unit through the drain pipes and corrode the heat exchanger.

  • Page 22: Electrical Wiring

    Installation and Maintenance 6. Electrical Wiring 6.1 General Check | AcAUTION| • When clamping the wi ing, to prevent external pressure being exerted on the wiring connections, use the 「 clamping material and fix firmly. • When performing the wiring work, ensure that the wiring is proper and does not cause the control box lid to open up, if so close the cover firmly.

  • Page 23: Wiring Diagrams

    Installation and Maintenance 6.2 WIRING DIAGRAMS Capacitor 』 EE P ` D 䌀蜀 一唀 ． ． _ NL M H SH 八 U P I D O W N- － TRANS OUT ． 㐀㠀 门 漀渀 － CN7 L2 CN40 咖...
  • Page 24 Installation and Maintenance 6.3 SPECIFIC WIRING METHODS When using a 24v thermostat, please refer to the non-communicating wiring diagrams that follow: Connection method The 昀漀llowing wiring diagram are suitable for the AHU and ODU with 24V thermostat. Wiring for 1 H and 1 C thermostat 仁3 Note:Because Y1 and Y2 —...
  • Page 25 Installation and Maintenance Wiring for 2H and 2C thermostat 仁3 䐀䠀 仁 3 䤀鄀 Nole:Y1 and Y2 一 仁3 here rep『esents 2 stages of fan cooling only, the compressor 戏 一 仁 3 modulates separately from the fan. THERMOSTAT W1IW21 Y1 I Y2 INDOOR UNIT OUTDOOR UNIT Wiring for 3H and 1 C thermostat...

  • Page 26: Control Logic

    Installation and Maintenance Wiring for 4H and 2C thermostat 趴 。 Note:Y1 and Y2 he『e「epresents 2 stages of fan cooling only, the compressor modulates sepa『ately from the fan. Note: Any time the electric heat 戏 一 elements a『e active, the indoo『 仁...
  • Page 27 Installation and Maintenance 6.5 Self diagnosis function Error code table (indoor unit displa y } Error code Error definition Outdoor unit and indoor unit communication error (from Indoor unit) Indoor unit T1 temperatu e sensor fault 「 Indoor unit T2 temperature sensor fault Refrigerant concentration sensor fault Refrigerant leakage protection (from Indoor unit) Indoor fan motor current fault...

  • Page 28: Attaching The Air Return Grille

    Installation and Maintenance 7. Attaching the Air Return Grille •The ai retu n grille must be attached when electric cabling work is completed. 「 「 (1) Fix the air return grille onto the indoor unit with screws supplied as accessories (4 pieces). (2) Close the air return grille.
  • Page 29 冗 ＿ Correct Disposal of this product This marking indicates that this product should not be disposed with other household wastes throughout the EU. 吀漀 prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources.
  • Page 30 Comfo爀琀 Star ® The design and specifications are subject to change without prior notice for product improvement.Consult with the sales agency or manufacturer for details. 6020300A0230...

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