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INSTALLATION & OPERATIONS MANUAL
SPLIT TYPE ROOM AIR CONDITIONER AND HEAT PUMP MODELS
MSC/MSH 9,000 & 12,000 BTUH • 115 VOLT
O
Important Safety Instructions
The following symbols and labels are used throughout this
To prevent the risk of property damage, personal injury, or
manual to indicate immediate or potential safety hazards. It is
death, do not store combustible materials or use gasoline
the owner’s and installer’s responsibility to read and comply
or other flammable liquids or vapors in
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CONTENTS • Be sure that placement of the unit allows adequate con- densate drainage. Important Safety Instructions .............................................. 1 Shipping Inspection ............................................................ 1 • Do not install near a doorway. Codes & Regulations ......................................................... 2 • Ensure that the spaces indicated by the arrows is from Installation Considerations ................................................. 2 the
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• Select a location where noise, vibration and hot dis- charged air will not be an issue. • Do not install where high frequency equipment is used (wireless equipment, welding machine, medical facility) as it may interfere with the unit’s operation. Rooftop Installations If it is necessary to install the outdoor unit on a roof structure, ensure the roof structure can support the weight and that proper consideration is given to the weather-tight integrity of the roof. Since the unit can vibrate du
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NOTE: Install the mounting bracket and drill the holes in the Wall wall according to the wall structure and the correspond- Outdoor ing mounting points on the mounting bracket. (The Indoor mounting brackets vary according to the model.) Incorrect orientation Correct orientation of Installation Plate of Installation Plate Figure 6 Do NOT install drain hose as shown in Figure 7. Figure 4 4. Determine the hole positions according to the diagram detailed in Figures 5A & 5B. Drill one (1) 2.5” ho
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Indoor Unit Installation 9. Pass the piping through the hole in the wall. Do not allow piping to hold indoor unit away 10. Place the upper claw on the back of the indoor unit on from the wall. Never intertwine power wiring and other wiring. the upper hook of the installation plate. Move the indoor unit from side to side to ensure it is securely mounted. (See Figure 10 ). Outdoor Unit Installation NOTE: By placing cushioning material between the in- door unit and the wall, placement of piping is
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1 Figure 14A (Figure 15A) (Figure 15B) 2 Figure 14B MS* 9 & MS*12 Correct alignment Mounting Dimensions Outdoor Unit Dimensions Inches/mm (L1xHxW1) L2 (mm) W2 (mm) 30" x 23" x 11" 21" 11 1/2" 760 x 590 x 285 530 290 Drain joint installation Incorrect alignment NOTE: Drain joints differ slightly according to the different outdoor units. Inspect your unit and use the installation in- Figure 16 structions for your specific unit. For drain joints with seals (Figure 15A): Refrigerant Pipe Connectio
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2. Insert tube in flare tool to measurement “A” in chart. Tightening Additional Outdoor Flare tubing as shown in Figure 19. Make sure flare is Torque Tightening Diameter (mm) (N. cm) Torque (N. cm) free of burrs and completely formed to make a leak proof joint. 1500 1600 1/4" ( Φ 6.35) (153kgf.cm) (163kgf.cm) NOTE: In order to avoid dropping burrs into the tubing, angle the end of the copper tube/pipe in a downward 2500 2500 3/8" ( Φ 9.52) (255kgf.cm) (265kgf.cm) direction as you remove the bu
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IMPORTANT NOTES: • If there are safety issues concerning the power supply, the unit should not be connected until safety issues are resolved. • Ensure that the electrical power supply is sufficient to safely power and run the unit. • Power voltage should range for 90% - 110% of the rated voltage. • Main power switch and surge protector should be 1.5 Electrical box times the capacity of the maximum current of the unit cover and should be installed in the power circuit. Figure 22 • The unit is to
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9. The means to disconnect from a power supply should be Terminals on the indoor unit L N S incorporated in the fixed wiring and have an air gap con- tact separation of at least 1/8” (3 mm) in each active (phase) conductor. L N S Leak Testing (Nitrogen or Nitrogen-Traced) Pressure test the system, using dry nitrogen and soapy water Model A to locate any leaks in the system. If you wish to use a leak detector, charge the system to 10 psi using the appropriate refriger
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Use caution when handling the packed valve: • When relocating the unit to another place, perform the evacuation using a vacuum pump. • Open the valve stem unit it comes in contact against the stopper. Do not attempt to open further. • Refrigerant added to the unit must be in liquid form. (Does not apply to units using R-22.) Safe Refrigerant Handling C While these items will not cover every conceivable situation, they should serve as a useful guide. D WARNING B Refrigerants are heavier than ai
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• Grasp the panel sides and lift up the panel to an angle Test Running where it remains fixed and a clicking sound is heard. After completing the gas leak check at the flare nut connec- tions and electrical safety check, perform the test operation. • Press the manual control button to select AUTO or COOL. The unit will operate under forced AUTO or COOL mode • Ensure all tubing and wiring have been properly con- (see User’s manual for more details). nected. • Make sure both the gas and liquid sid
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Goodman Manufacturing Company, L.P. 5151 San Felipe, Suite 500, Houston, TX 77056 www.goodmanmfg.com © 2011 Goodman Manufacturing Company, L.P. 12
