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Owner's Manual

 

Original Instructions 

Commercial Air Conditioners 

Multi Variable Air Conditioners 

Cassette Type Indoor Unit 

Models: 
GMV-ND22T/C-T   GMV-ND28T/C-T 
GMV-ND36T/C-T   GMV-ND45T/C-T 
GMV-ND50T/C-T   GMV-ND56T/C-T 
GMV-ND63T/C-T   GMV-ND71T/C-T 
GMV-ND80T/C-T   GMV-ND90T/C-T 
GMV-ND100T/C-T  GMV-ND112T/C-T 
GMV-ND125T/C-T  GMV-ND140T/C-T 
GMV-ND160T/C-T 

Summary of Contents for GMV-ND100T/C-T

Page 1: ...Variable Air Conditioners Cassette Type Indoor Unit Models GMV ND22T C T GMV ND28T C T GMV ND36T C T GMV ND45T C T GMV ND50T C T GMV ND56T C T GMV ND63T C T GMV ND71T C T GMV ND80T C T GMV ND90T C T GMV ND100T C T GMV ND112T C T GMV ND125T C T GMV ND140T C T GMV ND160T C T ...

Page 2: ... used for long cut off the power supply please energize and preheat the unit in advance before reusing it 3 Please properly select the model according to actual using environment otherwise it may impact the using convenience 4 This product can t be installed at corrosive inflammable or explosive environment or the place with special requirements such as kitchen Otherwise it will affect the normal ...

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: ...tallation and Drainage System Testing 10 4 4 Panel Installation 13 4 5 Wired Controller Installation 15 5 Wiring Work 15 5 1 Connection of Wire and Patch Board Terminal 16 5 2 Power Cord Connection 16 5 3 Connection of Communication Wire between Indoor Unit and Outdoor Unit or Indoor Unit 17 5 4 Connection of Communication Wire for Wired Controller 18 5 5 Instructions on Connecting Wired Controlle...

Page 5: ...d must only be connected to other units that have been confirmed as complying to corresponding partial unit requirements of this international standard The electrical interface shall comply with electrical security requirement current shall be referred to the table of Dimension of power cord and capacity of air switch in Section 3 4 and safety class of construction isⅠ Please install the unit acco...

Page 6: ...ectric 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 to maintain good air circulation in case the room may lack of oxygen Never start or stop the air conditioner by inserting o...

Page 7: ...truction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision Install units 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 av...

Page 8: ...e unit of dimension is mm 3 1 Standard Fittings Use the following provided accessories according to the requirement No Name Appearance Q ty Usage 1 Wireless controller 1 To control the indoor unit 2 Paper pattern for installation 1 Locate the drill hole on ceiling 3 Tapping screw with washer 4 Fix paper pattern 4 Washer fixing plate 4 Prevent the washer from falling off 5 Drain Hose Assembly 1 To ...

Page 9: ... for maintenance 6 The installation location should be far from heat sources flammable or explosive gas or smog spread in the air 7 The indoor unit outdoor unit power cord and connection electricity wire should be at least 1m from television and radio in order to prevent interference and noise Even though 1m distance is ensure there may be noise if the electric wave is too strong Unit mm Fig 3 2 M...

Page 10: ...r Fig 3 3 1 Wire type Total length of communication wire between indoor unit and wired controller m Wire diameter mm Wire standard Remark Light normal PVC hose L 250 2 0 75 2 1 25 IEC 60227 5 1 Total length of communication line can t exceed 250m 2 The cord shall be Circular cord the cores shall be twisted together 3 If unit is installed in places with intense magnetic field or strong interference...

Page 11: ... T 6 1 0 1 0 GMV ND36T C T 6 1 0 1 0 GMV ND45T C T 6 1 0 1 0 GMV ND50T C T 6 1 0 1 0 GMV ND56T C T 6 1 0 1 0 GMV ND63T C T 6 1 0 1 0 GMV ND71T C T 6 1 0 1 0 GMV ND80T C T 6 1 0 1 0 GMV ND90T C T 6 1 0 1 0 GMV ND100T C T 6 1 0 1 0 GMV ND112T C T 6 1 0 1 0 GMV ND125T C T 6 1 0 1 0 GMV ND140T C T 6 1 0 1 0 GMV ND160T C T 6 1 0 1 0 NOTES An all pole disconnection switch having a contact separation of ...

Page 12: ...install bolts 1 Stick the reference cardboard on the installation position drill 4 holes according to the hole site on the cardboard as shown in Fig 4 1 2 diameter of drilling hole is according to the diameter of expansion bolt and the depth is 60 70mm as shown in Fig 4 1 3 Unit mm Fig 4 1 2 Fig 4 1 3 2 Insert the M10 expansion bolt into the hole and then knock the nail into the bolt as shown in F...

Page 13: ...efer to paper pattern of installation for ceiling opening dimension The center of ceiling opening is indicated on the paper pattern Fix the paper pattern to the unit with 4 screws and fix the corners of the waterspout at the drainage pipe by screws 4 Adjust the unit to the right position 5 Check the level of the unit The indoor unit is equipped with build in water pump and float switch verify the ...

Page 14: ...or peculiar smell to prevent the smell from entering indoors or corrupt the unit 2 It is not allowed to connect the condensate drain pipe into rain pipe to prevent rain water from pouring in and cause property loss or personal injury 3 Condensate drain pipe should be connected into special drain system for air conditioner 4 The drainage pipe should be short and the gradient downwards should be at ...

Page 15: ... drainage pipe could not meet the installation requirements raising pipe should be applied 4 Insert the drainage hose into drain socket tighten the metal clamp securely 5 Warp the sealing pad over drain hose and metal clamp for heat insulation 6 Make sure to perform insulation work for all drainage piping in order to prevent any possible water drop due to dew condensation 7 Apply the suitable diam...

Page 16: ... of at least 1 2 in order to prevent pipes from sagging install hanger bracket at intervals of 1000 1500mm Unit mm Fig 4 3 4 10 During the installation distance from soft drain pipe to the gasket is C mm when the bolt is tightened It is not allowed to apply PVC or other related glue in the joints of two ends of drain pipe Fig 4 3 5 Unit mm Model C GMV ND22 160T C T 15 3 ...

Page 17: ...e is not connected communication malfunction C0 will occur after 60s of energizing In this case the water pump operates automatically Check if the water pump drains normally drains normally through drainage port The water pump will stop automatically after running for 10min 2 During the test please carefully check the drainage joint make sure no any leakage occur 3 It s strongly recommend to do th...

Page 18: ... on the same corner 2 Temporality hang the panel to body there is four hangers on each corner of the panel hang the hangers to corresponding hooks on the body as shown in Fig 4 4 4 3 Detach the air inlet grille from panel make a wiring connection of signal receiver Notices that the connection wire not stuck in the middle of body and panel or may cause air leakage and lead to condensation water dro...

Page 19: ...be earthed securely or it may cause electric shock Please carefully read the wiring diagram before carry out the wiring work incorrect wiring could cause malfunction or even damage the unit The unit should be powered by independent circuit and specific socket The wiring should be in accordance with related regulations in order to ensure the units reliable running Install circuit breaker for branch...

Page 20: ...e terminal 2 The connection of stranded wire as shown in Fig 5 1 2 1 Strip about 10mm insulation of the end of stranded wire by stripping and cutting tool 2 Loosen the wiring screws on terminal board 3 Insert the wire into the ring tongue terminal and tighten by crimping tool 4 Use the screwdriver for tightening the terminal Unit mm Fig 5 1 1 Fig 5 1 2 5 2 Power Cord Connection NOTES Every unit sh...

Page 21: ...r Unit or Indoor Unit 1 Detach the electric box lid 2 Let the Communication cable pass through the wiring through holes 3 Connect the communication wire to terminal D1 and D2 of indoor 4 bit wiring board as shown in Fig 5 3 1 Fig 5 3 1 4 Fix the communication cable with clamp of electric box 5 For more reliable communication make sure connect the terminal resistor to the most downstream IDU of the...

Page 22: ...tion wire to terminal H1 and H2 of indoor 4 bit wiring board 4 Fix the communication wire with clamp 5 Wiring instructions of signal receiver and wired controller 1 Wired controller is shown as Fig 5 4 1 wireless controller is shown as Fig 5 4 2 signal receiver is provided with panel as standard accessory Fig 5 4 1 Fig 5 4 2 2 Both IDU and wired controller are equipped with signal receiver and ava...

Page 23: ...e set as master one and slave one 4 One wired controller can control 16 indoor units in maximum at the same time as shown in Fig 5 5 Fig 5 5 NOTES The type of indoor units must be the same if they are controlled by the same wired controller When the indoor unit is controlled by two wired controllers the addresses of the two wired controllers should be different through address setting Address 1 is...

Page 24: ...Remove the filters from inlet of IDU Use a vacuum cleaner to remove dust If the filters are dirty wash them with warm water and mild detergent and dry the filters in the shade 2 If the unit used in the environment with much dust please clean it regularly usually once every two weeks 6 2 Maintenance before the Seasonal Use 1 Check if the air inlet and air outlet of indoor and outdoor unit are block...

Page 25: ...r Error L7 No Master Indoor Unit Error d6 Outlet Pipe Temperature Sensor Error dy Water Temperature Sensor Error L8 Power Insufficiency Protection d7 Humidity Sensor Error C0 Communication Error L9 Quantity Of Group Control Indoor Units Setting Error d8 Water Temperature Error AJ Filter Cleaning Reminder o1 Low Bus bar Voltage of Indoor Unit o2 High Bus bar Voltage of Indoor Unit o3 IPM Module Pro...

Page 26: ...ng effect The filter is dirty Too heavy heat load of room e g too many people Door or windows is open Inlet and outlet of IDU are blocked Setting temperature is too high Refrigerant is insufficient e g refrigerant leakage Poor heating effect The filter is dirty Door or window is open Setting temperature is too low Refrigerant is insufficient e g refrigerant leakage Outdoor ambient temperature is l...

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