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Related Manuals for SystemAir VRF Series
Summary of Contents for SystemAir VRF Series
- Page 1 SYSVRF2 CASSETTE Cassette indoor unit INSTALLATION MANUAL...
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Page 2: Table Of Contents
Strictly perform installation according to these CONTENTS PAGE installation instructions. If installation is defective, it may cause water leaks, electric 1. PRECAUTIONS..................1 shocks, or a fire. 2. INSTALLATION INFORMATION............2 When installing the unit in a small room, take measures 3. -
Page 3: Installation Information
If the refrigerant leaks during installation, ventilate the area 2. INSTALLATION INFORMATION immediately. Toxic gas may be produced if the refrigerant comes into contact with fire. After completing the installation work, check that the To install the unit properly, please read this Installation refrigerant does not leak. -
Page 4: Attached Fittings And Local Purchased Components
3. ATTACHED FITTINGS AND LOCAL PURCHASED COMPONENTS Please check whether all the following fittings have been included. If there are some spare fittings, please store them carefully. Table: 3-1 ATTACHED FITTINGS NAME SHAPE QUANTITY 1. Installation manual 2. Nut INSTALLATION FITTINGS 3. -
Page 5: Installation
4. INSTALLATION 4.1 Installation place > 1000 mm (Refer to Fig. 4-1, Fig. 4-2, Fig. 4-3 and Table: 4-1 for specification.) The indoor unit should be installed in a location that meets the following requirements: Avoid narrow spaces that are sensitive to noise. The ceiling must be flat and able to bear the weight of the indoor unit. -
Page 6: Install The Main Body
Refer to 3 mentioned in the existing ceiling. WARNING Remove the installation paper board. Install the unit in a location that can bear its weight. Insufficient support will cause the unit to fall, which may cause Unit body injury. Central hole Special installation methods can prevent the unit be blown around by strong winds or shocked by earthquakes. - Page 7 (Unit: mm) Φ32Drain pipe outer diameter Φ75New air supply orifice Fig. 4-7 ≥20 Install the hanger Hexagon nut (Adjust to balance) Ceiling Panel Main body Drain pipe Fig. 4-8 Fig. 4-9 Table: 4-2 Main body of the unit A(mm) B(mm) Indoor unit model ≤...
- Page 8 4.4 Procedure for installing the pendant bolt CAUTION Based on the unit structure, set the screw-pitch according to the size of the following figures: The bolt is high-quality carbon steel (galvanized or coated with other anti-rust materials) or stainless steel. The ceiling anti-rust measures must be conducted in line with Table: 4-3 actual construction.
- Page 9 3. Install the panel CAUTION 1) The part of the panel marked “PIPING SIDE” and “DRAIN SIDE” must be aligned with the piping outlet and drainpipe outlet from the main body. 1) Insert the sealant plastic cap in the sway motor in the notch of the water outflow pipe seal board.
- Page 10 Slug Installation cover’s rope Slide the four sliders in the corresponding Tap screw channel when installing the cover. Fig.4-21 Fig.4-20 Fig.4-20 4.6 Install the distribution duct Conditioned air can be distributed by a distribution duct. NOTE Model Series Series A=350 mm; Series B=85 mm 2800-8000W Series C=107 mm;...
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Page 11: Layout The Drain Pipe
5. LAYOUT THE DRAIN PIPE CAUTION 5.1 Install the drain pipe of the indoor unit The joints in drain system must be sealed to avoid water leaks. 1) The drainpipe can use PVC pipe. (The external diameter about 37-39 mm. The inner diameter is 32 mm.) 9) The height from the floor to the end of the drainpipe or the 2) Joint drainpipe connector to the end of the water pumping pipe. -
Page 12: Install The Connecting Pipe
5.2 Drain test 6. INSTALL THE CONNETING PIPE 1. Before testing, ensure that water can drained well and check all 6.1 The connective length of indoor and outdoor piping joints are sealed. and those height difference requirements. 2. The drainage test must be done before constructing the ceiling Connect to different outdoor units with a different connective length of a new house. - Page 13 3) After the refrigerant pipe is connected to the indoor and outdoor 6.4 Pipeline connection units, expel air as instructed in the “Expel air” section. After expelling the air, screw the nut in the maintenance hole. a. Precautions for the 1.
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Page 14: Wiring
CAUTION Cut top-down Be cautious when installing the connective pipe. Do not let any air, dust or other foreign substance enter the system. Pipe connections should be conducted after the indoor and Field piping side Unit body outdoor unit are fixed. Subsidiary belt for the Connective pipes must stay dry during installation. - Page 15 7.3 Indoor unit power 7-3-1 A special power supply is employed for indoor units that is different from the outdoor units’ supply. 7-3-2 Use a universal indoor power supply and electricity leakage protection devices and operating switches for indoor units that connect to the same outdoor unit.
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Page 16: Control Operation
（X1 X2） 8.2 Network address settings 1) The network address is set based on communication between the indoor and outdoor units. The address is the same as the indoor address, and there is no need to set them separately. 2) The central control of indoor units can be done on an outdoor unit. - Page 17 8.4 Main board Code designation SW2 definition SW1 definition 0 means the cooling mode temperature Reserved (defaults 0) compensation is 0°C (default) 1 means the cooling mode temperature compensation is 2°C 0 means EEV positions 96 (steps) SW4definition in standby in heating mode (default) 1 means EEV positions 72 (steps) 00 means the time for stopping the...
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Page 18: Test Operation
9. TEST OPERATION Testing must be carried out after installation is completed. Please confirm the following points before the test: The indoor unit and outdoor unit are installed properly. The tubing and wiring have been correctly completed. The refrigerant pipe system has been checked for leaks. Drainage is unimpeded. - Page 19 16126000002969 V5.0...
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