Gree NCHS2D Owner'S Manual Download Page 39 | Manualshive

Page: 39 / 39

background image

«
...
37
38
39

Summary of Contents for NCHS2D

Page 1: ...Owner s Manual Original Instructions Commercial Air Conditioners GMV6 HR Mode Exchange Box Models NCHS1D NCHS2D NCHS4D NCHS8D ...

Page 2: ... Please properly select the model according to actual using environment otherwise it may impact the using convenience 4 This product has gone through strict inspection and operational test before leaving the factory In order to avoid damage due to improper disassembly and inspection which may impact the normal operation of unit please do not disassemble the unit by yourself You can contact with th...

Page 3: ...cturer 3 After verification the defect of product is directly caused by corrosive gas 4 After verification defects are due to improper operation during transportation of product 5 Operate repair maintain the unit without abiding by instruction manual or related regulations 6 After verification the problem or dispute is caused by the quality specification or performance of parts and components that...

Page 4: ...re 7 3 4 Wiring Requirement 9 4 Installation Instruction 10 4 1 Installation of Mode Exchange Box 10 4 2 Pipe Connection 15 4 3 Installation and Test for Drainage Hose 25 5 Cable Connection 28 5 1 Connection of Cable and Terminal of Wiring Board 29 5 2 Connect Power Cord 30 5 3 Connect Communication Wire of Indoor Unit and Outdoor Unit 32 6 Routine Maintenance 33 6 1 Notice before Seasonal Use 34 ...

Page 5: ... table of Dimension of power cord and capacity of air switch in Section 3 4 and safety class of construction is I The design pressure is 4 3 MPa The thickness of pipe for installation should comply with the relevant national continental regulations Do not connect the indoor unit and hot water generator at the same time under the same branch of the mode converter otherwise the unit will be damaged ...

Page 6: ...ired controller cannot be used When the installation is finished please check and make sure the drain pipe pipeline and electric wire are all well connected in order to avoid water leakage refrigerant leakage electric shock or fire hazard Do not extend fingers or objects into air outlet or air return grille If you use gas heater or petroleum heater in the same room please open the door or window t...

Page 7: ... according to national wiring codes If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard An all pole disconnection device which has at least 3mm clearances in all poles and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules Gree Electric Appliances Inc of Zhuhai ...

Page 8: ...GMV6 HR Mode Exchange Box 4 2 Product Introduction 2 1 Names of Main Parts One to one Mode Exchange Box Fig 2 1 1 One to two Mode Exchange Box Fig 2 1 2 One to four Mode Exchange Box Fig 2 1 3 ...

Page 9: ...unit 8 8 8 8 Total unit 8 16 32 64 Maximum capacity of connectable IDUs Per branch kW 16 16 16 16 Total kW 16 28 45 85 Power supply 220 240V 50 60Hz Piping connections ODU Liquid mm Φ9 52 Φ9 52 Φ12 7 Φ15 9 High pressure gas mm Φ19 05 Φ19 05 Φ22 2 Φ22 2 Low pressure gas mm Φ22 2 Φ22 2 Φ28 6 Φ28 6 IDU Liquid mm Φ6 35 9 52 Φ6 35 9 52 Φ6 35 9 52 Φ6 35 9 52 Gas mm Φ12 7 15 9 Φ12 7 15 9 Φ12 7 15 9 Φ12 7...

Page 10: ... at the ceiling 7 Silencer 1 1 The sizes of both nozzles are IDΦ19 3mm and Φ19 05mm nozzle Φ19 mm is used for connecting the high pressure gas pipe of NCHS1D and NCHS2D 8 Silencer 2 1 The sizes of both nozzles are IDΦ22 6mm and Φ22 2mm nozzle Φ28mm is used for connecting the low pressure gas pipe of NCHS1D and NCHS2D 9 Silencer 1 1 The sizes of both nozzles are IDΦ22 6mm and Φ22 2mm nozzle Φ22 mm ...

Page 11: ...d radio for preventing graphic interference and noise Even the distance is 1m if there s strong electric wave there s still noise Unit mm Fig 3 2 1 NOTES The installation of the unit must comply with national and local safety regulations Users can t install the unit by themselves because the installation quality will affect the operation directly After purchasing the unit please contact with deale...

Page 12: ...nary polyvinyl chloride sheathed cord 60227 IEC 52 60227 IEC 53 L 1000 2 0 75 IEC 60227 5 2007 1 If the wire diameter is enlarged to 2 1mm2 the total communication length can reach 1500m 2 The cord shall be circular cord the cores shall be twisted together Communication wire can be longer if wire diameter is 2 1mm2 But the total length cannot exceed 1500m 3 If unit is installed in places with inte...

Page 13: ...based on the working condition where ambient temperature is 40 C and multi core copper cable working temperature is 90 C e g power cable with YJV cross linked copper insulated PE and PVC sheath is lying on the surface of slot If working condition changes please adjust the specification according to national standard Specification of circuit breaker is based on the working condition where ambient t...

Page 14: ...box side of unit for maintenance The position of maintenance port should be lower than the lower size of unit The Mode Exchange Box shall be installed near the maintenance port or air return of indoor unit Note if it is installed near the air return please make sure not to affect air return and maintenance The following pictures detailed describe the installation of maintenance port and Mode Excha...

Page 15: ...x 11 Due to the structure of installation space the Mode Exchange Box needs a maintenance port Please reserve another maintenance port for Mode Exchange Box Fig 4 1 4 NCHS1D outline and installation dimension Unit mm Fig 4 1 5 ...

Page 16: ...GMV6 HR Mode Exchange Box 12 NCHS2D outline and installation dimension Unit mm Fig 4 1 6 NCHS4D outline and installation dimension Unit mm Fig 4 1 7 ...

Page 17: ...tion position basing on the installation template As shown in Fig 4 1 9 Please refer to the diameter of expansion bolt for the diameter of hole with depth of 60 70mm As shown in Fig 4 1 10 Unit mm Fig 4 1 9 Fig 4 1 10 2 Insert M10 expansion bolt into hole and then set the iron nail into bolt As shown in Fig 4 1 11 and then remove the paper pattern NOTE The length of bolt should be selection accord...

Page 18: ...se and wires connection wire for wired controller connection wire for Mode Exchange Box When drilling holes on ceiling air return outlet or air outlet you can need to reinforce the ceiling to prevent vibration For details please consult user or builder If the strength of the ceiling is not good please install a beam bracket and then put the unit on the beam bracket 3 Adjust the unit to the right p...

Page 19: ...Box and its upstream branch pipe must be installed on the same horizontal plane See schematics below Fig 4 1 14 4 2 Pipe Connection 4 2 1 Installation Instruction for Silencer If there s silencer in the packing accessories please refer to below diagram for its installation method Take NCHS4D for example Connect either left or right side of the mode exchange box to outdoor unit for piping according...

Page 20: ...instruction for silencer while the left side of box is connected to outdoor unit Weld to take off the junction sealing cap on low pressure gas pipe nozzle of right side Then weld the other junction sealing packed with the box on it Cut off the sealing caps of high pressure gas pipe low pressure gas pipe and liquid pipe with a pipe cutter Liquid pipe Liquid pipe Cut thispipe outlet with a pipe cutt...

Page 21: ...mall to only make sure they won t fall down by relying on friction force Fig 4 2 5 2 Please note that protect thermal insulating sponge and solenoid valve in the pipeline Please wrap the pipeline with wet cloth to weld it for protection 3 Before welding the pipeline please charge nitrogen at first Nitrogen must be charged for protection during the whole welding process and within 30s after welding...

Page 22: ...ds as less as possible and the bend radius as large as possible 2 Install the connection pipes by welding Please strictly follow the requirements for welding process Rosin joints weak joints or pin holes are not allowed 3 When laying the pipe be careful not to distort it Radius of bending parts must be over 200mm Please do not bend or stretch the pipes frequently otherwise the pipes will become ha...

Page 23: ...rwise capillary or other pipes of Mode Exchange Box may be broken which will lead to leakage 4 2 4 Selection of Y type Branch If connect outdoor unit to multiple Mode Exchange Box the Y type branch should be adopted 1 Y type branch Fig 4 2 8 2 Y type branch has several pipe sections with different size which facilitates to match with various copper pipes Use pipe cutter to cut in the middle of the...

Page 24: ... on the main branched pipe from the welding point Fixing point 3 250mm on the branched pipe from the welding point Unit mm Fig 4 2 11 4 Thermal insulation for pipeline 1 To avoid condensate or water leak on the connection pipe the gas pipe and liquid pipe must be wrapped with thermal insulating material and tied by adhesive tape 2 Thermal insulating material shall be able to bear the pipe temperat...

Page 25: ...21 Fig 4 2 12 4 Joints of indoor and outdoor unit should be wrapped with insulating material and leave no gap to surfaces of indoor unit and outdoor unit See Fig 4 2 13 Fig 4 2 14 and Fig 4 2 15 Fig 4 2 13 Fig 4 2 14 Fig 4 2 15 ...

Page 26: ...too tight otherwise the insulation effect will be weakened 7 After wrapping the pipe apply sealing material to completely seal the hole on the wall 4 2 6 Support and Protection of Pipeline 1 Support should be made for hanging connection pipe Distance between each support cannot be over 1m 2 Protection against accidental damage should be made for outdoor pipeline If pipeline exceeds 1m a pinch plat...

Page 27: ... X 22 4 FQ02Na A 22 4 X 28 FQ03Na A 28 X 68 FQ04Na A 68 X 96 FQ05Na A 96 X FQ06Na A 4 2 7 2 Connection for Single Indoor Unit with Capacity of less than 16kW Piping size among downstream branches of Mode Exchange Box a h l Total rated capacity of downstream indoor units X kW Piping size among downstream branches of mode exchange box Gas pipe mm Liquid pipe mm X 2 8 Φ9 52 Φ6 35 2 8 X 5 Φ12 7 Φ6 35 ...

Page 28: ...Liquid pipe mm C 2 8 Φ9 52 Φ6 35 2 8 C 5 0 Φ12 7 Φ6 35 5 0 C 14 Φ15 9 Φ9 52 14 C 16 Φ19 05 Φ9 52 4 2 7 3 Connecting Method for Indoor Unit with Capacity of over 16kW When connecting to the indoor unit with capacity of over 16 kW it is not allowed to connect with only one branch it must use two branches controlled by the same mainboard for parallel connection Parallel connection Dial code Indoor un...

Page 29: ...mm 16 C 22 4 Φ19 05 Φ9 52 22 4 C 28 Φ22 2 Φ9 52 4 3 Installation and Test for Drainage Hose 4 3 1 Precautions for the Installation of Drainage Hose 1 It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines which are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or corrupt the unit 2 It is not allowed to connect the conden...

Page 30: ...is used for multiple units the position for the common pipeline should be lower than the drain outlet of every unit 100m In this case thick pipes should be adopted Fig 4 3 1 4 3 2 Drainage Pipe Installation 1 Insert the drain hose into the drain hole and tighten it with tapes as shown in Fig 4 3 2 Model with water pump will be provided with drain hose while other models please prepare the drain ho...

Page 31: ...uture should be considered when installing it Fig 4 3 6 8 Horizontal pipe can t be connected to the vertical pipe at the same horizontal height Please see below figure for the connection method No 1 Three way connection of drainage hose joint as shown in Fig 4 3 7 No 2 Down elbow connection as shown in Fig 4 3 8 No 3 Set into horizontal pipe as show in Fig 4 3 9 Fig 4 3 7 Fig 4 3 8 Fig 4 3 9 ...

Page 32: ...ng the drain system arrange insulation to the drain hose and pipe clamp Fig 4 3 11 5 Cable Connection NOTES Air conditioner must be grounded for preventing damage due to invalid insulation Before connecting wires please confirm the voltage on the nameplate and then connect wires according to wiring diagram Wrong wire connection may lead to abnormal operation or damage to the air conditioner Power ...

Page 33: ...regulation If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard 5 1 Connection of Cable and Terminal of Wiring Board 1 Connect single wire as shown in Fig 5 1 1 1 Peel the insulation layer at the end of the single wire about 25mm with wire stripper to expose the single core wire 2 Use screwdriver to re...

Page 34: ... indoor unit please refer to capacity of unit 1 Remove electric box cover of indoor unit 2 Pass the power cord through rubber ring 3 Connect power cord to L N terminal and earthing screw 4 Fix the power cord with wire fixing clamp 5 Take off the cable cross loop that is attached to the Mode Exchange Box as shown in Fig 5 2 2 Fig 5 2 5 Replace with a local cable cross bushing One to one Mode Exchan...

Page 35: ...GMV6 HR Mode Exchange Box 31 One to two Mode Exchange Box Fig 5 2 3 One to four Mode Exchange Box Fig 5 2 4 One to eight Mode Exchange Box Fig 5 2 5 ...

Page 36: ...D1 nD2 n 8 As shown in Fig 5 3 5 Fig 5 3 1 Fig 5 3 2 5 Fix the communication wire with wire fixing clamp 6 In order to ensure the reliability of communication between indoor unit and outdoor unit add a matched resistance in the packing bag on the wiring board at the last connected Mode Exchange Box The matched resistance should be connected among terminal screw D1 and D2 7 When mode converter conn...

Page 37: ...olid platform Do not use hot water 45 C above to clean the surface of air conditioner Otherwise it may cause discolor or deformation Do not dry the filet on fire Otherwise the filter may catch fire or be deformed Volatile liquid such as thinner or gasoline may damage the air conditioner Only use soft dry cloth or wet cloth dipped with neutral detergent to clean the filter of air conditioner If the...

Page 38: ...tage is too low Working buttons are off Malfunction of control loop Air conditioner can operate but it will stop operate after for a while There s obstacle in front of condenser Control loop is abnormal Turn on the cooling mode when the outdoor ambient temperature is more than 43 C Cooling effect is bad Air filter is dirty or blocked There are heat source or too many people in the room Door or win...

Page 39: ......

Reviews:

No comments

Related manuals for NCHS2D

Duct Type Series

Brand: Samsung Pages: 40

Brand: Daikin Pages: 17

Brand: Danby Pages: 36

Brand: Dunham-Bush Pages: 29

Brand: Daikin Pages: 40

Brand: TCL Pages: 34

Brand: TATA Motors Pages: 32

TC 200 SPLIT Series

Brand: Gorenje Pages: 40

Brand: Zodiac Pages: 18

Brand: IQAir Pages: 28

Brand: Bard Pages: 23

Platinum 3D Inverter Series

Brand: TECO Pages: 20

Brand: Team Kalorik Pages: 28

Brand: GVA Pages: 6

Brand: Seifert Pages: 23

Brand: Ozeanos Pages: 24

Brand: Rheem Pages: 37

Brand: Codume Pages: 28

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands