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Dear users:

Thank you for selecting CHIGO central air conditioner!

This Manual is the universal version for DC variable frequency VRF outdoor units. If the appearance of 

your air conditioner is different from that of the air conditioner in the Manual, it will not affect its 

operation and use.

Please read this Manual before use carefully, and keep this Manual well for future reference.

To protect your lawful rights and interests, your air conditioner shall be installed by a professional staff.

Applicable Types:

CMV

-

V080WA

CMV

-

V080WSA

CMV

-

V100WA

CMV

-

V100WSA

CMV

-

V120WA

CMV

-

V120WSA

CMV V140WA

CMV

-

V140WSA

CMV V160WA

CMV

-

V160WSA

-
-

MINI-VRF   DC Variable Frequency Outdoor Unit

Installation Manual

CENTRAL  AIR-CONDITIONING

Dear users:

Thank you for selecting CHIGO central air conditioner!

This Manual is the universal version for DC variable frequency VRF outdoor units. If the appearance of 

your air conditioner is different from that of the air conditioner in the Manual, it will not affect its 

operation and use.

Please read this Manual before use carefully, and keep this Manual well for future reference.

To protect your lawful rights and interests, your air conditioner shall be installed by a professional staff.

DC Inverter  Outdoor Unit

Installation Manual

Summary of Contents for CMV-MINI

Page 1: ...ppearance of your air conditioner is different from that of the air conditioner in the Manual it will not affect its operation and use Please read this Manual before use carefully and keep this Manual...

Page 2: ......

Page 3: ...Table of Contents 1 Safety Precaution 1 2 Key Points for Construction Inspection 1 3 Installation of Outdoor Unit 2 4 Installation of Connecting Pipe 4 5 Electrical Wiring 10 6 Trial Run 14...

Page 4: ......

Page 5: ...ction Inspection 2 1 Arrival of goods and open case inspection 1 When receiving the machine check if there is any damage in transportation If any surface or internal damage is found please inform the...

Page 6: ...installation and maintenance 2 No barrier at the air inlet and the air outlet and away from strong wind 3 Dry and ventilated 4 The flat supporting surface is able to bear the weight of the outdoor uni...

Page 7: ...o be careful to hoist the machine 4 Don t hold the suction inlet of the housing or it will be deformed 3 5 Installation and maintenance space of outdoor unit 1 Provide a firm and adequate foundation t...

Page 8: ...nnecting pipe Threaded connection Gas side connecting pipe Liquid side connecting pipe Welding 4 Installation of Connecting Pipe 4 1 Refrigerant pipe 1 Flaring Use a pipe cutter to cut the refrigerant...

Page 9: ...efrigeration system When fastening the nut too strong force will damage the flared socket but too weak force will result in leakage Please refer to the tightening torque in the table above to fasten t...

Page 10: ...e diameter Pipe Capacity of Outdoor Unit kW Dimension of Main Pipe mm L 30m 1 L 30m 1 Liquid pipe 9 52 Liquid pipe 15 88 Liquid pipe 9 52 Liquid pipe 15 88 10 5 9 52 15 88 9 52 19 05 14 16 Table 4 3 D...

Page 11: ...7...

Page 12: ...refrigerant pipe is installed and connected to the indoor unit and before the connecting pipes between the indoor and outdoor units are connected to the valves of the outdoor units refill the nitrogen...

Page 13: ...t keep the vacuum pump on for 1 2h 4 6 Refilling volume of refrigerant The refilling volume of refrigerant R410A is calculated according to the diameter and length of the pipe at the liquid side of th...

Page 14: ...tem of the indoor unit shall be incorporated into the same system To reduce the interference the indoor and outdoor communication cables shall use two core or three core shielded twisted pair cables i...

Page 15: ...shielding net shall be connected to the ground Never connect the power line strong current to the terminal block of the signal line weak current Otherwise the power board will be burnt out 5 2 Wiring...

Page 16: ...play Control parameters only for use of development personnel Control parameters only for use of development personnel Spot check Content 1 2 3 4 5 6 7 8 9 10 No Spot check Content 12 13 14 15 16 17 1...

Page 17: ...utes 12 14 16and 18kW are effective 8 and 10kw have no such faults Display H6 for 3 times within 100 minutes 6 Trial Run 6 1 Inspection and confirmation before debugging 1 Check and make sure the refr...

Page 18: ...olume of refrigerant before delivery see the nameplate refilling volume of refrigerant corresponding to the length of pipe 3 B Calculate the indoor volume B m by the minimum volume Critical concentrat...

Page 19: ......

Page 20: ...ong CHIGO Heating Ventilation Equipment CO LTD Address Chigo Industrial District Nanhai Foshan Guangdong China P C 528244 Tel 86 757 8836905 Fax 86 757 88783793 4006 757 555 Hotline Web http www chigo...

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