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VRF AIR-CONDITIONER
(HEAT RECOVERY)
IMPORTANT:
THANK YOU FOR PURCHASING THIS CENTRAL AIR
CONDITIONERS.
READ AND UNDERSTAND THIS
MANUAL BEFORE USING TH
KEEP THIS MANUAL FOR FUTURE REFERENCE.
Installation Manual
Outdoor Unit
AIR CONDITIONERS.
Basic Units:
CHV6-072URB
CHV6-096URB
CHV6-120URB
CHV6-144URB
CHV6-168URB
CHV6-192URB
Combination
Modules:
CHV6-216~456URB
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Table of Contents
Related Manuals for Cooper & Hunter CHV6-072URB
Summary of Contents for Cooper & Hunter CHV6-072URB
- Page 1 VRF AIR-CONDITIONER (HEAT RECOVERY) Installation Manual Outdoor Unit Basic Units: CHV6-072URB CHV6-096URB CHV6-120URB CHV6-144URB CHV6-168URB CHV6-192URB Combination Modules: CHV6-216~456URB IMPORTANT: THANK YOU FOR PURCHASING THIS CENTRAL AIR CONDITIONERS. READ AND UNDERSTAND THIS MANUAL BEFORE USING TH AIR CONDITIONERS. KEEP THIS MANUAL FOR FUTURE REFERENCE.
- Page 3 Dear user: Thank you for choosing and using our products. For your better understanding and use of this product, be sure to read and comply with the following related matters before use IMPORTANT NOTICE Signal words ( and C UTI ) are used to identify levels of hazard seriousness.
- Page 5 DANGER ● Do not perform installation work, refrigerant piping work, drain pump, drain piping and electrical wiring connection without referring to our installation manual. If the instructions are not followed, it may result in a water leakage, electric shock or a fire. In case of a fire, cut off the power immediately;...
- Page 6 N OTE: It is recommended to ventilate the room every 3 to 4 hours. ● In some cases, the air conditioner may not operate properly under the following cases ● In case the power supplied by the power transformer is less than or equal to the electric power of the air conditioner. In case the large power-consuming equipment is too close to the power supply wiring for the air conditioner, so that surge voltage may be inducted in the power supply wiring of the air conditioner.
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Page 7: Table Of Contents
TABLE OF CONTENTS 1.Structure .............................................................. 1.1 Outdoor Unit & Refrigerant Cycle 1.2 Necessary Tools and Instrument List for Installation ....................2.Before Installation ..............................3.Transportation and Handling ..........................3.1 Transportation ................................3.2 Handling Method ................................4.Outdoor Unit Installation ............................4.1 Accessories Factory-Supplied ............................ -
Page 9: Structure
1.Structure 1.1 Outdoor Unit & Refrigerant Cycle Regarding structure drawings and refrigerant cycle diagram, please refer to Technical Catalogue. 1.2 Necessary Tools and Instrument List for Installation The design pressure for this product is 601psi(4.15MPa). To avoid accidental mixing of the different refrigerant or different refrigerant oil, the sizes of the charging connections have been changed. -
Page 10: Before Installation
Gas Leakage Interchangeable Leakage Check Detector with R410A ※ interchangeable with R407C 2.Before Installation Line-Up of Outdoor Unit 【Basic Unit】 Capacity (6RT) 144(12RT) 168(14RT) 96(8RT) 120(10RT) kBtu/h(RT) Model CHV6-072URB CHV6-096URB CHV6-120URB CHV6-144URB CHV6-168URB Capacity 192(16RT) kBtu/h(RT) CHV6-192URB Model... - Page 11 【Combination Module】 ※ Capacity 240(20RT) 264(22RT) 216(18RT) 288(24RT) 312(26RT) kBtu/h(RT) CHV6-240URB CHV6-264URB CHV6-216URB CHV6-288URB CHV6-312URB Model CHV6-120URB CHV6-144URB CHV6-144URB CHV6-120URB CHV6-168URB Combination CHV6-120URB CHV6-120URB CHV6-096URB CHV6-144URB CHV6-144URB Capacity 360(30RT) 384(32RT) 336(28RT) kBtu/h(RT) CHV6-360URB CHV6-384URB Model CHV6-336URB CHV6-192URB CHV6-192URB CHV6-168URB Combination CHV6-168URB CHV6-192URB CHV6-168URB...
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Page 12: Transportation And Handling
3.Transportation and Handling 3.1 Transportation Transport the product as close to the installation location as practical before unpacking. When using a crane, hang the unit according to the description on the label attached to the outdoor unit. DANGER Do not hang the unit by the ropes at the wooden pallet. Rope Position CORRECT INCORRECT... -
Page 13: Handling Method
3.2 Hanging Method When hanging the unit, ensure a balance of the unit, check to ensure safety and lift up smoothly. Do not remove any packing materials. Hang the unit with two wire ropes, as shown in Fig. 3.1. Fig. 3.1 Hanging Work for Transportation Angle of wire rope Wire Rope than 60°... -
Page 14: Outdoor Unit Installation
4.Outdoor Unit Installation 4.1 Factory-Supplied Accessories Check to ensure that the following accessories are packed with the outdoor unit. nit:in.(mm) Table 4.1 Factory-Supplied Accessories Accessory Accessory pipe pouch ×1 ×1 ×1 ×1 ×1 ×1 Electrical ×1 ×1 ×1 ×1 ×1 ×1 accessory pouch Fastener pouch... -
Page 15: Foundation
4.3 Foundation ●Concrete Foundations (1) The height of the foundation should be 5-29/32in.(150mm ) higher than the ground level. (2) Provide a drainage ditch around foundation for smooth drain. unit:in.(mm) Mortar Hole Φ3-15/16(100)×Depth 5-29/32(150) 2-31/64(63) 2-31/64(63) 24-9/16(624) Drainage Width 3-15/16(100)×Depth 25/32(20) Drainage Vibration Proof Mat *Do not provide concrete foundation as shown below. -
Page 16: Drainage
(5) When installing the outdoor unit, fix the unit by anchor bolts (field-supplied). unit: in.(mm) Model: 72-96 unit: in.(mm) Model: 120 2-43/64 2-43/64 2-43/64 2-43/64 (68) (68) (68) (68) 31-31/32 42-21/64 (812) (1075) 4×25/32(20)×19/32(15) 4×25/32(20)×19/32(15) Hole of Anchor Bolt Hole of Anchor Bolt unit: in.(mm) Model: 144-168 Model: 192... - Page 17 Do not install the unit over the walkways. Condensate may fall on people. In case of installing the unit in such a place, provide the additional drain pan. When drain piping is necessary for the outdoor unit, use the drain boss set (Optional, DC-01Q). Do not use drain boss and drain pan kit in the cold area.
- Page 18 Model: 192 unit: in.(mm) 8-31/32(228) 4-11/64(106) 8-15/64(209) 36-17/32(928) Drain port (Φ1-1/32(26)×5) Drain pipe connector (optional) Connection of power cable (Φ1-23/32(43.7) via hole) Connection of Refrigerant pipeline Connection of 12-13/32(315) communication cable / 4(225)×4- /4(108) (Ø55/64(22)×2 via hole) square hole) ● Drain Boss (Optional Parts) The drain boss is for the drain pipe connection in order to use Name...
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Page 19: Refrigerant Piping Work
5.Refrigerant Piping Work DANGER Use refrigerant R410A in the refrigerant cycle. ● Do not charge oxygen, acetylene or other flammable and poisonous gases into the refrigerant cycle when performing a leakage test or an air-tight test. These types of gases are extremely dangerous and can cause an explosion. -
Page 20: Flaring And Joint
● Piping Thickness and Material Use the pipe as below. unit:in.(mm) R410A Diameter Thickness Material O material 1/32(0.8) Φ1/4(6.35) Φ3/8(9.53) 1/32(0.8) O material Φ1/2(12.7) 1/32(0.8) O material Φ5/8(15.88) 3/64(1.0) O material 3/64(1.0) 1/2H material Φ3/4(19.05) 1/2H material Φ7/8(22.2) 3/64(1.0) Φ1(25.4) 1/2H material 3/64(1.0) 3/64(1.0) -
Page 21: Caution About Outdoor Unit Installation
5.3 Caution about Outdoor Unit Installation Outdoor Unit Alignment Taking three-module combination of outdoor unit as an example. Align the outdoor unit from large capacity as A>B>C, and outdoor Unit "A" should be located at the indoor unit side. Outdoor Unit Capacity: A≥B≥C Outdoor Unit Capacity: A≥B≥C Outdoor Outdoor... - Page 22 (4) Place the outdoor unit pipe horizontally or with down gradient toward indoor unit side, or refrigerant oil may accumulate in the Indoor Unit Side Indoor Unit Side Refrigerant oil accumulates in the pipe (5) For servicing, in case that the pipe is placed frontward of the outdoor unit, secure Min.19-11/16in.(500mm) between the 19-11 16 Outdoor Unit Outdoor Unit...
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Page 23: Piping Connection For System
5.4 Piping Connection Perform piping connection for each outdoor unit. NOTE: Ensure that the refrigerant pipes are connected to a unit in the same refrigerant cycle. Prepare the refrigerant pipe in the field for the piping work. ● Piping Direction ●... - Page 24 5.4.1 Stop Valve <Gas Valve> Make sure that all the stop valves are closed completely; Connect the charging hose to the service port and release gas from the gas pipe; Cut off the end of the closing pipe (Φ1/4in.) and check that no gas exists inside the gas pipe; Remove the stop valve cover;...
- Page 25 5.4.2 Piping Connection Make sure that the stop valves are closed completely. Protect the compressor and sound-proof cover with metal plate when brazing the gas pipe as shown in Fig. 5.2. Pay attention to the flame from the burner not to burn the stop valve body. Connect the indoor unit and the outdoor unit with refrigerant piping.
- Page 26 < Heat Recovery System > <View-P> Outdoor Unit A Manifold Pipe 1 (High/ Low Pressure Gas) Low Pressure Gas Piping Outdoor Unit B (Field-Supplied) Manifold Pipe 1 (Low Pressure Gas) High/Low Pressure Gas Piping (Field-Supplied) Manifold Pipe 2 (High/ Bending Pipe Low Pressure Gas) (Field-Supplied) Liquid Piping...
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Page 27: Electrical Wiring
6.Electrical Wiring WARNING Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than 10 minutes before ● electrical wiring or a periodical check is performed. Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work or a periodical ●... -
Page 28: Electrical Wiring
), 2-Conductor, Stranded Copper. Table 6.1 Minimum Wire Sizes for Power Source on Field Outdoor Unit Inverter 1 Inverter 2 Fan Motor Model Voltage Max. Min. Max. Fuse (Hz) CHV6-072URB 208/230 34.3 25.2 CHV6-096URB 208/230 41.2 30.7 CHV6-120URB 208/230 49.3 1.5×2... -
Page 29: Electrical Wiring Connection
CAUTION Install a multi-pole main switch with a space of 1/8in.(3mm) or more between each phase. NOTES: 1) When the power supply wiring is longer, select the minimum wiring size of which the voltage drop is within 2%. 2) Power supply voltage should be satisfied with the followings: supply voltage: rated voltage within +10% starting voltage: rated voltage within -15% operating voltage: rated voltage within ±10%... -
Page 30: Electrical Wiring Connection Of The System
<Tighten screws for the terminal board according to the following table.> Screw Size Tightening Torque 0.7~1.0 ft·lbs(1.0~1.3N·m) 1.5~1.8 ft·lbs(2.0~2.4N·m） 3.0~3.7 ft·lbs(4.0~5.0N·m） 6.6~8.1 ft·lbs(9.0~11.0N·m) 13.3~17 ft·lbs(18.0~23.0N·m) CAUTION Pay attention to the followings to run through the cables under the unit using conduit tube. (The guard plater is required to remove before performing piping and wiring works.) . - Page 31 < Heat Pump System & Heat Recovery System Without Switch Box > Outdoor Unit B (Sub) Outdoor Unit A (Main) L1 L2 L3 1 2 3 4 L1 L2 L3 1 2 3 4 Earth Earth Main Switch Fuse Main Switch 208/230V Fuse 3~ 60Hz...
- Page 32 For Multi Branch SW BOX Connect communication cable from outdoor unit to the outdoor terminal H-LINK Outdoor block(TB2) in Switch Box. Switch Box SPMBB-8/85 PCB1 SPMBB-4/45 PCB1 PCB2 Indoor Indoor Outdoor Indoor Indoor Indoor Indoor Power Outdoor 3 4 5 6 7 8 Supply 3 4 5 6 7 8 9 10 3 4 5 6 7 8 9...
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Page 33: Dip Switch Setting Of Outdoor Unit
NOTES: When multiple indoor units are connected to the same single SW BOX, they are controlled with the same operation • mode. When multiple indoor units are connected to the same branch of the multi SW BOX, they are controlled with the •... - Page 34 ● Setting of Refrigerant Cycle No. In the same refrigerant cycle, set the refrigerant cycle No. for the outdoor units as shown below. NOTE: In the same refrigerant cycle, set the same refrigerant cycle No. for the outdoor unit and the indoor unit. 0~9 Binary System Dip Setting Method for DSW8 Setting Switch 10 digit...
- Page 35 ● Function Setting External Input/Output and Function Setting Arrangement of Dip Switch Setting Press PSW1 once. Start of Setting Menu Mode Turn ON DSW4-No.4. Press PSW1 for at least3 seconds. SEG2 SEG1 “Menu Mode” will be indicated. For more details, Check Mode refer to “Checking of PSW2...
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Page 36: Additional Refrigerant Charge
7. Additional Refrigerant Charge 7.1 Air-Tight Test (1)Check to ensure that the stop valves are closed completely before air-tight test. <Tightening Check of Stop Valves> After connecting the pipe, remove the cap of stop valve for liquid. <Liquid Valve> <Gas Valve> Check Joint for Service Port Check Joint for Service Port Only the charge hose can be... -
Page 37: Vacuuming
< Heat Pump System > Outdoor Unit Nitrogen Tank (for Nitrogen Purging during Brazing and Air Tight Test) Stop Valve (Liquid Piping Manifold Stop Valve Gauge (High/Low Pressure Gas Piping) Siphonic Refrigerant Cylinder (R410A) Stop Valve Vacuum Pump Weigher (Low Pressure Gas Piping) High/Low Pressure Gas Piping Liquid Piping... -
Page 38: Charging Operation
7.3 Charging Operation After vacuum pumping, check that the gas and liquid stop valves are completely closed. Charge additional refrigerant (tolerance: 1.1lbs(0.5kg)) from the check joint of liquid stop valve. If the specified refrigerant quantity can not be charged, follow the procedure below. Fully open the stop valve for gas side (In case of heat recovery system, fully open the stop valve for high/low pressure and low pressure gas pipe). -
Page 39: Test Run
CAUTION However, if leakage occurs and gas fills a room, it may cause suffocation. Once leakage occurs, it is a must to take effective actions to make the concentration of R410A lower than 8. Test Run Test run should be performed according to Item 8.2. And use the Table 8.1 for recording test run. WARNING Do not operate the system until all the check points have been cleared. -
Page 40: Test Run
(D) After the initial test run, please clean the water filter and make sure that the filter mesh is clean and free of impurities. CAUTION Caution for Insulation Resistance: If total unit insulation resistance is lower than 1MΩ, the compressor insulation resistance may be low due to retained refrigerant in the compressor. - Page 41 ● Check the operation range according to page I. Do not touch any of the parts by hand at the discharge side, since the compressor chamber and the pipes at the discharge side are heated to above 194°F(90°C). DO NOT PUSH THE BUTTON OF THE MAGNETIC SWITCH(ES). It will cause a serious accident. ●...
- Page 42 Table 8.1 Test Run and Maintenance Record SERIAL. No. MODEL: COMPRESSOR MFG. No. CUSTOMER'S NAME AND ADDRESS: DATE: THE RESULT OF ALL PERIODIC ROUTINE TESTS: 1. Is the rotation direction of the indoor fan correct? 2. Is the rotation direction of the outdoor fan correct? 3.
- Page 44 08 2022...
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