User Manual Your air conditioner may be subject to any change owing to Contents the improvement of Airwell products. The multiple air conditioning systems adopt the consistent Parts and Functions............1 running mode, by which, all indoor units can only be Safety ................
Parts and Functions Indoor unit Outlet guide plate (air direction can be adjusted by using direction adjustment key on the remote controller) Air-inlet grille Air filter (inside air-inlet grille)
Safety • If the air conditioner is transferred to a new user, this manual shall be transferred to the user, together with the conditioner. • Before installation, be sure to read Safety Considerations in this manual for proper installation. • The safety considerations stated below is divided into " Warning"...
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Safety CAUTION • The air conditioner should be effectively grounded. Electric shocks may occur if the air conditioner is ungrounded or inappropriately grounded. The wire for earthing shouldn't be connected to the connections on the gas pipe, water pipe, lightning rod or telephone. •...
Maintenance Attention • Repair can only be performed by professional personnel. • Before touching the connection line, all power supplies should be switched off. Only after switching off the power supply can the operator clean the air conditioner as to avoid electric shock or injury. •...
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Maintenance Installing air cleaner and air inlet grid: 1. Mounting the gauze: opposite to the ways of dismantling the gauze lock device (as shown in Fig. 3 above). lock port 2. Mounting the air inlet grid: as shown in the right figure, nip the locks locks on the grid as directed by arrows, put the side with the lock device into the lock port, and then put the side with locks...
Fault Checkup Please check the following when consigning repair service: Symptoms Reasons Water flow sound can be heard when starting operation, during operation or immediately after stopping operation. When it starts to work for 2-3 minutes, Water flow sound the sound may become louder, which is the flowing sound of refrigerant or the draining sound of condensed water.
Installation Procedures The standard attached accessories of the units of this series refer to the packing list; prepare other accessories according to the requirements of the local installation point of our company. Indoor units should be installed in places with the environment of even circulation of cool and warm blows. The following places should be avoided.
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Installation Procedures 2. Location Relationship among Ceiling Hole, Unit and Hoisting Studs 765(spacing of hanging screw) 850(indoor unit) 890(ceiling opening) 950(trim panel) Hanger bracket Model CFV007~018 Trim panel Ceiling CFV024~028 Distance between indoor Distance between indoor unit unit and ceiling≤20 CFV030~038 and ceiling≤20 CFV048~CFV060...
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Installation Procedures 4. Hoisting Stud Installation • To support the weight of the unit, use barb bolts in the situation with the ceiling. In the situation with the new ceiling, use inlaid bolts, embedded bolts or other parts provided on site. Before proceeding the installation, adjust the gap between the bolts and the ceiling.
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Installation Procedures Installation Refrigerant pipe (1) Confirming the position of unit hanger Housing Indoor unit Please confirm the installation position of the hanger Drain pipe for indoor unit is about 130mm above the ceiling. For details, please refer to the Instructions for Installation and Maintenance of indoor unit.
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Installation Procedures If the elevation level of the indoor unit and drain pipe are 8) Installing the air-inlet grille. not affected, you can adjust the height of the indoor unit Install the air-inlet grille with the steps opposite to that for through the corner pore on the trim panel.
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Installation Procedures Piping Materials & Heat Insulating Materials Hard PVC tube VP31.5mm Piping Material As to prevent condensation, heat insulating treatment should be (inner bore) performed. The heat insulating treatment for piping should be done Heat Insulating Vesicant polythene thickness: respectively.
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Installation Procedures Tubing Permissible Length & Height Difference Please refer to the attached manual of outdoor units. Tubing Materials & Specifications Please refer to the attached manual of outdoor units. Model CFV007~009 CFV012~018 CFV024~060 Gas pipe Ø9.52 Ø12.7 Ø15.88 Tubing Size (mm) Liquid pipe Ø6.35 Ø6.35...
Electrical Wiring WARNING • Electrical construction should be made with specific mains circuit by the qualified personnel according to the installation instruction. Electric shock and fire may be caused if the capacity of power supply is not sufficient. • During arranging the wiring layout, specified cables should be used as the mains line, which accords with the local regulations on wiring.
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Electrical Wiring Signal Wiring Drawing (This machine) (AC machine) (AC machine) (DC machine) Outdoor units are of parallel connection via three lines with polarity. The main unit, central control and all indoor units are of parallel connection via two lines without polarity. There are three connecting ways between line control and indoor units: A.
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Electrical Wiring The wiring for the power line of indoor unit, the wiring between indoor and outdoor units as well as the wiring between indoor units: Cross Sectional Items Rated current of residual Rated Area of Signal Line Cross Circuit Breaker(A) Length Current of Total...
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Electrical Wiring Dipswitch Setting Indoor Units PCB In the following table, 1 represents ON and 0 represents OFF. Definition principles of code switches: SWO1 is used to set capabilities of master and slave indoor units as well as indoor unit; SW03 is used to set indoor unit address (combine original communication address and address of centralized controller).
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Electrical Wiring (B) Definition and description of SW03 Address setting mode Address setting SW03_1 Automatic setting (default) mode Code-set address Address of centralized Address of indoor unit controller 0# (Default) 0# (Default) Code-set indoor SW03_2 unit address … … … …...
Test Run & Fault Code Before Test Run • Before switching it on, test the supply terminal tier (L, N terminals) and grounding points with 500V megaohm meter and check if the resistance is above 1MΩ. It can't be operated if it is below 1MΩ. •...
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