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Ramsond R37GWX Installation Manual

Ductless mini-split system
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Ductless Mini-Split System
Installation

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Summary of Contents for Ramsond R37GWX

  • Page 1 Ductless Mini-Split System Installation...

  • Page 2: Tools Required

    Tools Required • Philips Screw Driver • Level • Drill • 2 ½ inch Hole Saw • Allen Wrench 5.5 & 6 • Vacuum Pump • 410 A Gauge • Torque Wrench...
  • Page 3 STEP 1 - Indoor Unit (Evaporator) Find a suitable location. • Install the indoor unit on a level & structurally sound wall that is not subject to vibration. • The inlet and outlet ports on indoor unit should not be obstructed; the air should be able to freely circulate throughout the coverage area.
  • Page 4 STEP 2 - Outdoor Unit (Condenser) Find the perfect location for the condenser unit.
  • Page 5 Maximum Height & Distances...
  • Page 6 STEP 3 Remove Mounting Plate from Indoor Unit.
  • Page 7 STEP 4 Find secure location for the Mounting Plate and mark the holes. *Note: Be sure that the plate is level.
  • Page 8 STEP 5 Attach Mounting Plate to structure.
  • Page 9 STEP 6 Drill a 2 ½ inch Hole *Note: The hole must be drilled on an angle of about 30 degrees; the exterior opening should be at least ¼ inch lower than the interior opening.
  • Page 10 STEP 7 Install supplied wall sleeve.
  • Page 11 STEP 8 Prepare Indoor Unit refrigerant piping connections.
  • Page 12 STEP 9 Remove the seal caps from the indoor refrigerant lines. *Note: Nitrogen charge may be released & a hissing sound may be heard when the first seal cap is removed.
  • Page 13 STEP 10 Guide the line set through the 2 ½ inch hole.
  • Page 14 *Note: Refrigerant Pipes...
  • Page 15 STEP 11 Remove the seal caps from the refrigerant lines.
  • Page 16 STEP 12 Tighten connections using wrenches working in opposite direction. *Note: For best result use Torque Wrench.
  • Page 17 STEP 13 Connect the supplied drain line extension.
  • Page 18 STEP 14 A. Arrange the pipes, cables & drain hose. B. Lag the pipe joints with insulating material, securing it with supplied UV vinyl tape. C. Run the bundled pipe, cables & drain hose back through the 2 ½ inch hole.
  • Page 19 *Note: Always keep drain line at the bottom of bundle.
  • Page 20 STEP 15 Reconnect Indoor Unit to Mounting Plate.
  • Page 21 STEP 16 Install vibration pads and secure Outdoor Unit.
  • Page 22 *Note: Optional L Bracket System The bracket must be secured to the structure of the building using the proper industry standard anchors for heavy loads. The condenser must be accessible for service.
  • Page 23 STEP 17 – Outdoor Unit (Condenser) Connection Remove valve cover.
  • Page 24 STEP 18 Remove seal cap protector.
  • Page 25 *Note: Pipe Connection...
  • Page 26 STEP 19 Connect refrigerant lines to outdoor unit valves.
  • Page 27 STEP 20 Bleed/ Purge system using a Vacuum Pump.
  • Page 28 *Note: Vacuum Bleeding...
  • Page 29 *Note: Vacuum line for 10 to 15 minutes, or to 30 microns.
  • Page 30 STEP 21 - Electrical Connection Remove condenser electrical cover.
  • Page 31 STEP 22 Plug Quick-Connect terminal from Indoor Unit into the Quick-Connect terminal from the Outdoor Unit.
  • Page 32 STEP 23 Connect ground to metal plate.
  • Page 33 STEP 24 Connect line from service box to compressor.
  • Page 34 STEP 25 Re-install the electrical cover.
  • Page 35 STEP 26 – Purge Excess Air Open high side valve ¼ turn counter clockwise...
  • Page 36 STEP 27 Remove service valve cap.
  • Page 37 STEP 28 Press schrader (Service) valve for 3 seconds.
  • Page 38 STEP 29 Open liquid valve completely counter clockwise. *Note: Valve must be fully open.
  • Page 39 STEP 30 Open suction valve completely counter clockwise. *Note: Valve must be fully open.
  • Page 40 STEP 31 Check for leaks at all joint connections.
  • Page 41 STEP 32 Wrap remaining refrigerant line with UV insulation tape.

  • Page 42: Final Step

    FINAL STEP Test the system. A. Turn the breaker on. B. Using the remote control, turn the Indoor Unit on. C. Check all system functions for proper operation.