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C&H N Series Owner's Manual

Floor ceiling type unit
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Owner's Manual
Original Instructions
Air Conditioners
N Series Floor Ceiling Type Unit
Models:
Indoor Unit
CH-F050NK
CH-F071NK
CH-F085NK
CH-F100NK
CH-F125NK
CH-F140NK
CH-F160NK
Outdoor Unit
CH-U050NK
CH-U071NK
CH-U085NK
CH-U100NM
CH-U125NM
CH-U140NM
CH-U160NM

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Summary of Contents for C&H N Series

  • Page 1 Owner's Manual Original Instructions Air Conditioners N Series Floor Ceiling Type Unit Models: Indoor Unit Outdoor Unit CH-F050NK CH-U050NK CH-U071NK CH-F071NK CH-U085NK CH-F085NK CH-U100NM CH-F100NK CH-U125NM CH-F125NK CH-U140NM CH-F140NK CH-U160NM CH-F160NK...
  • Page 3 To Users Thank y ou f or s electing C&H’s pr oduct. P lease r ead t his i nstruction m anual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby instruct as below: (1) This appliance can be us ed by children aged from 8 y ears and abov e and persons with r educed physical, s ensory or m ental c apabilities or l ack of...
  • Page 4 (6) All t he i llustrations and i nformation i n t he i nstruction m anual ar e on ly f or reference. In order to make the product better, we will continuously conduct improvement and innovation. We have the right to make necessary revision to the product from time to time due to the reason of sales or production, and reserve the right to revise the contents without further notice.

  • Page 5: Table Of Contents

    Contents 1 Safety Notices (Please be sure to abide them) ....1 2 Product Introduction ............5 2.1 Overall Layout ................. 5 2.2 Product Operating Range ............6 2.3 Standard Accessories ............. 6 3 Installation ................7 3.1 Installation Preparation ............7 3.2 Unit Installation..............

  • Page 6: Safety Notices (Please Be Sure To Abide Them)

    N Series Floor Ceiling Type Unit 1 Safety Notices (Please be sure to abide them) SPECIAL WARNING: (1) Do not pierce or burn. (2) Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.
  • Page 7 N Series Floor Ceiling Type Unit PROHIBITED! (1) The air conditioner should be grounded to avoid electric shock. Do not connect the ground wire to gas pipe, water pipe, lightning arrester or telephone wire. (2) The appl iance s hall b e s tored i n a well-ventilated ar ea where t he r oom s ize corresponds to the room area as specified for operation.
  • Page 8 N Series Floor Ceiling Type Unit WARNING! (11) The air conditioner can be cleaned only after it is turned off and power-disconnected, otherwise electric shock may occur. (12) The air conditioner is not intended to be cleaned or maintained by children without supervision.
  • Page 9 N Series Floor Ceiling Type Unit NOTICE! (1) Do not put a finger or other objects into the air inlet or air return grill. (2) Please adopt safety protection measures before touching the refrigerant pipe, otherwise your hands may be hurt.

  • Page 10: Product Introduction

    N Series Floor Ceiling Type Unit 2 Product Introduction 2.1 Overall Layout NOTICE: The connection pipe, drain pipe, power cord for this unit should be prepared by the user.

  • Page 11: Product Operating Range

    N Series Floor Ceiling Type Unit 2.2 Product Operating Range Cooling Heating Outdoor temperature DB(℃) -15~48 -15~24 Indoor temperature DB/WB(℃) 32/23 27/- (Maximum) 2.3 Standard Accessories Indoor Unit Accessories Name Appearance Q'ty Usage To fix the hook on the Nut with Washer cabinet of the unit.

  • Page 12: Installation

    N Series Floor Ceiling Type Unit 3 Installation 3.1 Installation Preparation 3.1.1 Selection of Installation Location WARNING! (1) The unit must be installed where strong enough to withstand the weight of the unit and fixed securely, otherwise the unit would topple or fall off.
  • Page 13 N Series Floor Ceiling Type Unit Selection of Installation Location for Outdoor Unit (Select a location pursuant to the following condition). (1) Noise and air flow produced by the outdoor unit will not disturb the neighbors. (2) Select a l ocation t hat i s s afe and a way f rom ani mals an d pl ants. I f not , please add safety fences to protect the unit.
  • Page 14 N Series Floor Ceiling Type Unit (1) Indoor Unit NOTICE! Drilling of ceiling opening and installation of air conditioner must be performed by professionals! Unit：mm Dimensions Model CH-F050NK 1200 1142 CH-F071NK 1200 1142 CH-F085NK 1200 1142 CH-F100NK CH-F125NK 1200 1142...
  • Page 15 N Series Floor Ceiling Type Unit (2) Outdoor units CH-U050NK CH-U071NK CH-U085NK CH-U100NM CH-U125NM CH-U140NM CH-U160NM...
  • Page 16 N Series Floor Ceiling Type Unit Unit: mm Dimensions Model CH-U050NK CH-U071NK CH-U085NK CH-U100NM CH-U125NM 1010 CH-U140NM 1010 CH-U160NM 1010 3.1.3 Diagram of Unit Installation Space and Location (1) Diagram of installation space and location for outdoor unit (NOTICE: for best per formance of t he o utdoor u nit, m ake s ure i ts i nstallation s pace conforms to the following installation dimensions).
  • Page 17 N Series Floor Ceiling Type Unit (mm) — — — ≥100 — — — — ≥100 ≥100 A,B,C, — ≥300 — ≥100 — ≥1000 — — — ≥150 ≥150 ≥1000 A,B,C,E — ≥300 — — ≥1000 — — — —...
  • Page 18 N Series Floor Ceiling Type Unit (mm) A,B,C — ≥300 ≥300 ≥1000 — — A,B,C,E — ≥300 ≥300 ≥1000 — ≥1000 — — — — ≥2000 — — — — — ≥2000 ≥1000 — — ＜ H ＞ H —...
  • Page 19 N Series Floor Ceiling Type Unit (mm) ≤1/2H b≥250 1/2H ＜ H ≤H b≥300 ＞ H Prohibited 4) When outdoor units are installed one above another Unit:mm (2) Diagram of installation location and space for indoor unit (NOTICE: for the best performance of indoor unit, make sure its installation space conforms to the following installation dimensions).
  • Page 20 N Series Floor Ceiling Type Unit 2) The air inlet and outlet of the unit should never be clogged so that the airflow can reach every corner of the room. 3) Leave service space around the unit. Floor Type Unit：mm Ceilling Type 4) Install the unit where the drain pipe can be easily installed.

  • Page 21: Unit Installation

    N Series Floor Ceiling Type Unit 3.2 Unit Installation 3.2.1 Indoor Unit Installation 3.2.1.1 Preparation for Installing the Indoor Unit (1) Dismantle the clasp in the left and right grille and take down the screws. (2) Take down the fixed screws in the left and right side plate.
  • Page 22 N Series Floor Ceiling Type Unit Floor type Ceiling type Unit: mm (6) Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother. (7) Reinstall and tighten the right and left side panel.
  • Page 23 N Series Floor Ceiling Type Unit (8) When i nstalling t he f loor c eiling t ype unit, i f us er adj ust t he hor izontal blade with hand, the angle of horizontal blade should be adjusted as the same direction.
  • Page 24 N Series Floor Ceiling Type Unit Plugs and dr ainage connector are not recommended if there is an electrical heater on the chassis. 3.2.3 Connection Pipe Requirement 3.2.3.1 Installation Notice and Requirement on Connection Pipe Installation m ethod: C onnect t he c onnection pipes f irst t o t he i ndoor un it and then to the outdoor unit.
  • Page 25 N Series Floor Ceiling Type Unit When the drop between indoor and outdoor units is larger than 10m, an oil return bend should be added every 6m. The requirement on the adding of oil return bend is as below: (1) Outdoor unit is beneath the indoor unit.
  • Page 26 N Series Floor Ceiling Type Unit (2) Outdoor unit is above the indoor unit. It’s nec essary to add oil r eturn be nd and no n-return be nd at the lowest and highest position of the vertical pipe, as shown below:...
  • Page 27 N Series Floor Ceiling Type Unit 3.2.3.2 Pipe Flaring (1) Cut the connection pipe with a pipe cutter. (2) The mouth of connection pipe should face downward. Remove burrs with the cut surface so that the chips do not enter the pipe.
  • Page 28 N Series Floor Ceiling Type Unit (4) When bending the pipe, do not bend it excessively, otherwise it will get broken. A s s hown b eside, us e a s harp c utter t o c ut t he heat i nsulating pipe and bend it after the pipe is exposed.
  • Page 29 N Series Floor Ceiling Type Unit Pipe diameter (inch) Tightening torque (N·m) Ф1/4 15-30 Ф3/8 35-40 Ф1/2 45-50 Ф5/8 60-65 Ф3/4 70-75 Ф7/8 80-85 Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve. The method of screwing the flare nut is the same with that for indoor unit.
  • Page 30 N Series Floor Ceiling Type Unit 3.2.3.5 Thermal Insulation of Pipe Joint (Only for Indoor Unit) Stick c oupler h eat i nsulation ( large and s mall) t o t he pl ace where c onnecting pipes. 3.2.4 Connection Pipe Vacuum Pumping...
  • Page 31 N Series Floor Ceiling Type Unit (5) The evacuation duration depends on the unit’s capacity, generally. Model Time(min) CH-F050NK CH-F071NK CH-F085NK CH-F100NK CH-F125NK CH-F140NK CH-F160NK And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads -0.1MPa (-750mmHg), if not, it indicates there is leak somewhere.
  • Page 32 N Series Floor Ceiling Type Unit 3.2.5 Refrigerant Adding See the following table for the amount of additional refrigerant. Standard Pipe Unnecessary Additional Refrigerant Item Length Charge Pipe Length Amount for Extra Pipe CH-U050NK 5.0m ≤7.0m 22 g/m CH-U071NK 5.0m ≤7.0m...
  • Page 33 N Series Floor Ceiling Type Unit (4) Connect the drain hose. (5) Installing the Drain Pipes. 1) For determining the position of the drain hose, perform the following procedures. 2) Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape.
  • Page 34 N Series Floor Ceiling Type Unit 4) When drain hose requires extension, obtain an extension hose commercially available. 5) After connecting the local drain hose, tape the slits of the heat insulation tube. 6) Connect the drain hose to the local drain pipe. Position the inter connecting wire in the same direction as the piping.
  • Page 35 N Series Floor Ceiling Type Unit 3) The whole pipeline should be wound with insulating tape and fixed onto the wall with saddles. (2) If the outdoor unit is above the indoor unit, arrange the pipeline according to the following diagram.

  • Page 36: Electrical Installation

    N Series Floor Ceiling Type Unit 3.2.6.4 Connecting the Drain Hose (1) After piping work is finished, check if drainage flows smoothly. (2) As shown in the figure, pour water into the drain pan from the right side to check that water flows smoothly from the drain hose.
  • Page 37 N Series Floor Ceiling Type Unit ② The unit’s operating power must be within the nominal range stated in the instruction manual. Use a specialized power circuit for the air conditioner. Do not draw power from another power circuit. ③ The air conditioner circuit should be at least 1.5m away from any inflammable surface.
  • Page 38 N Series Floor Ceiling Type Unit 3.3.2 Electrical Parameters Electric Wire Size and Fuse Capacity. Circuit Min. sectional Fuse Power supply breaker area of power capacity Model capacity cord V/Ph/Hz mm² Indoor unit 220-240V ~50Hz 3.15 Min. Sectional Circuit Breaker...
  • Page 39 N Series Floor Ceiling Type Unit Adopt 2pc of 0.75mm² po wer c ords t o b e t he c ommunication c ords ⑥ between indoor and outdoor units. The maximum length is 100m. Please select a pr oper l ength according t o l ocal c onditions. C ommunication cords m ust not be t wisted t ogether.
  • Page 40 N Series Floor Ceiling Type Unit 3.3.3 Connection of Power Cord and Communication Cord (1) For solid wires (as shown below): 1) Use wire cutters to cut off the wire end and then peel away about 25mm of the insulation layer.

  • Page 41: U050Nk

    N Series Floor Ceiling Type Unit (3) How to connect the connection wire and power cord. Lead the connection wire and power cord through the insulation tube. Then fix the wires with wire clamps (as shown in the next figure.)

  • Page 42: U071Nk

    N Series Floor Ceiling Type Unit CH-F050NK +CH-U050NK ① Power cords 3×1.5mm² ② Power cords 3×1.0mm² ③ Communication cords 2×0.75mm² ④ Communication cords 2×0.75mm² CH-F071NK +CH-U071NK CH-F085NK +CH-U085NK ① Power cords 3×2.5mm² ② Power cords 3×1.0mm² ③ Communication cords 2×0.75mm²...
  • Page 43 N Series Floor Ceiling Type Unit (5) Electrical wiring of indoor unit and Electrical wiring of outdoor unit. WARNING! (1) High and low voltage wires should be led through different rubber rings of the electric box cover. (2) Do not bundle up the connection wire and communication wire of wired control or lay them side by side, otherwise errors will occur.

  • Page 44: U125Nm

    N Series Floor Ceiling Type Unit 2) Outdoor side Remove the big handle/front panel of the outdoor unit and insert one end of the communication cord and the power cord to the terminal board. CH-U050NK CH-U071NK CH-U085NK CH-U100NM CH-U125NM CH-U140NM CH-U160NM...

  • Page 45: Check After Installation

    N Series Floor Ceiling Type Unit 3.4 Check after Installation Check Items after Installation Possible events due to improper Check items. installation. The unit may fall down, vibrate or Is the main body installed securely? produce noise. Cooling capacity may become Did you do water leakage test? unsatisfactory.

  • Page 46: Installation Of Controller

    N Series Floor Ceiling Type Unit (4) If there's sound of liquid shock when the compressor is running, then stop the ai r c onditioner i mmediately. W ait unt il t he el ectric heat ing bel t i s heated enough, and then restart the air conditioner.

  • Page 47: Maintenance

    N Series Floor Ceiling Type Unit 5 Maintenance 5.1 Failures Not Caused by Faults of the AC If your air-conditioning u nit s uffers f rom ab normal operation or f ailure, p lease first check the following points before repair:...
  • Page 48 N Series Floor Ceiling Type Unit If the display panel or wired control displays an error code, please refer to the error code meaning stated in the following table. Number Error code Error Compressor high pressure protection Indoor anti-freeze protection...

  • Page 49: Unit Maintenance

    N Series Floor Ceiling Type Unit (3) Indicating Lamp of “HEAT”: The indicating lamp will shine when “HEAT” is activated, while it will go out when “HEAT” is deactivated. (4) Indicating Lamp of “TIMER”: The indicating lamp will shine when “TIMER”...
  • Page 50 N Series Floor Ceiling Type Unit How to clean the air filter ③ Disassemble the left and right side board a) After the grille is removed, use a screwdriver t o re move t he sc rews sh own on the picture.

  • Page 51: After-Sales Services

    N Series Floor Ceiling Type Unit 5.3.2 Heat Exchanger of Outdoor Unit Conduct cleaning for the heat exchanger of outdoor unit periodically, clean it once at least in every two months. Clean the dust and sundries on the surface of the heat e xchanger with d ust c ollector and n ylon br ush, i f there’s c ompressed ai r...

This manual is also suitable for:

Ch-f050nkCh-f071nkCh-f085nkCh-f100nkCh-f125nkCh-f140nk ... Show all

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