Thank you for choosing a Gree Neo Ductless A IR CONDITIONER for your customer. Please read this installation manual carefully before installing and starting up the Neo System. Take a moment to fill out the product and installation form on the back cover. Retain both the manual and installation record for future reference.
SAFETY PRECAUTIONS Please read the following before installation. Recognize safety information. This is the safety-alert symbol. When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words: DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol.
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SAFETY PRECAUTIONS CAUTION • The unit should be installed and serviced only by trained, qualified installers and service mechanics. Untrained personnel can perform basic maintenance functions such as cleaning coils. All other operations should be performed by trained service personnel. •...
INSTALLATION SITE INSTRUCTIONS Step 1 Installation Site of Indoor Unit Select a site that allows for the following: • Ensure the installation complies with the installation minimum dimensions and meets the minimum and maximum connecting piping length and maximum change in elevation. •...
INSTALLATION DIMENSIONS Indoor unit Part Name 1. Remote Controller 2. Front Panel 3. Air Filter 4. Horizontal Louver 5. Wall Hole Sleeve 6. Insulation 7. Refrigerant Pipes 8. Drain Hose Outdoor unit...
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INSTALLATION DIMENSIONS Minimum indoor clearances Ceiling 6 in (0.15m) 5 in 5 in (0.13m) (0.13m) 6 ft (1.8m) Floor Minimum outdoor clearances Air inlet Air outlet Minimum Distances Outdoor Unit in (mm) 20 (500) 20 (500) 24 (610) 12 (305) 12 (305)
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INSTALLATION OF INDOOR UNIT Step 2 Installation of Mounting Bracket 1. Attach the mounting bracket to the indoor unit. 2. Find the horizontal center of the indoor unit. 3. Mark the center of the indoor unit on mounting bracket for future reference. NOTE: The center of the mounting bracket is not the center of the indoor unit.
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INSTALLATION OF INDOOR UNIT Mounting Bracket Diagrams and Dimensions Wall Wall 5 1/8 21 3/8 6 3/4 Φ2 1/8 Φ2 1/8 3 1/8 5 5/8 Left Right 09K and 12K Unit (Rear piping hole) (Rear piping hole) 27 3/8 7 5/8 4 3/4 18K Unit 5 1/2...
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INSTALLATION OF INDOOR UNIT Step 3 Drill Hole in Wall for Interconnecting Piping, Drain & Wiring If indoor unit refrigerant piping is going to exit from the rear: 1. It is recommended that the refrigerant pipe flare connectors extend through the wall to the outside.
OUTDOOR UNIT PREPARATION Step 4 Install Ground Pad or Wall Hangers 1. Determine proper location for outdoor unit. 2. Follow all instructions provided by manufacturer for installing wall hangers or ground pad. 3. Verify the wall hangers or ground pad can safely support the weight of the outdoor unit. 4.
INSTALLATION OF REFRIGERANT PIPING Step 5 Piping Connections to Outdoor Unit CAUTION Use refrigeration grade tubing ONLY. No other type of tubing may be used. Use of other types of tubing will void manufacturer’s warranty. Make sure there is enough piping to cover the required length between the outdoor and indoor unit. Piping Preparation •...
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INSTALLATION OF REFRIGERANT PIPING 4. Open front cover of indoor unit and remove field wiring terminal block cover. Route the interconnecting wires to terminal block in control box. 5. Allow interconnecting wires to hang free. Wire connections will be handled later in these instructions. 6.
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Service Valve Cover Torque Table Tightening Torque Pipe Diameter Nut Size inch (mm) inch (mm) ft-lbs 1/4 (6.35) 1/4 (17) 10 to 13 14 to 18 3/8 (9.5) 3/8 (22) 25 to 30 34 to 42 1/2 (12.7) 1/2 (25) 36 to 45 49 to 61 5/8 (15.9)
INSTALLATION OF POWER AND WIRING Step 7 Indoor Unit Interconnecting Wire Connections WARNING Disconnect all electrical power to unit including disconnects, fuses and circuit breakers. 1. Open front cover of indoor unit and remove field wiring terminal block cover. 2. Pull interconnecting wires up from back of indoor unit and position in close to the terminal block on indoor unit.
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INSTALLATION OF POWER AND WIRING Step 8 Outdoor Unit Wire Connections WARNING Disconnect all electrical power to unit including disconnects, fuses and circuit breakers. 1. Remove the service panel on right side of the outdoor unit. Cable Cross Board 2. Insert interconnecting wires and main power wires through the wire holes on conduit mounting bracket.
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INSTALLATION OF POWER AND WIRING 5. Following the same wire colors and terminal references from the indoor unit, tightly connect interconnecting wires to the outdoor unit terminal block per wiring diagram above. NOTE: Crossing interconnecting wires will cause system malfunction and possible damage. 6.
VACUUM TESTING Step 9 Leaking Test 1. Connect the charging hose of the manifold valve to charge the end of the low-pressure valve. 2. Add dry nitrogen to a pressure of 200 lbs. Tightly close both high- and low-pressure valves. 3.
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VACUUM TESTING 5. Evacuate using either deep vacuum or triple evacuation method. 6. After evacuation is complete, fully close the low side of manifold gage and stop operation of vacuum pump. 7. The factory charge contained in the outdoor unit is good for up to 25 ft. (8 m) of line length. NOTE: For refrigerant lines longer than 25 ft (8 m), add add’l refrigerant per foot of extra piping up to the maximum allowable length.
START-UP Step 11 Fig. a Installing Photocatalytic Filter (optional) 1. Lift front panel and remove air filter. (Fig. a). 2. Attach photocatalytic filter onto air filter. (Fig. b). Fig. b 3. Install air filter as shown; close panel. (Fig. c). Air Filter Photocatalytic Filter...
START-UP AND TROUBLESHOOTING Explain Following Items To Customer With The Aid Of The Owner’s Manual: 1. How to turn system on and off; selecting COOLING and other operating modes; setting a desired temperature; setting the timer to automatically start and stop system operation;...