Ductless Mini-Split System Installation
Tools Required • • • • • • • • Philips Screw Driver Level Drill 2 ½ inch Hole Saw Allen Wrench 5.
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. Do not install the unit near a heat source, steam, or flammable gas/fumes. Do not install unit in direct sunlight.
STEP 2 - Outdoor Unit (Condenser) Find the perfect location for the condenser unit.
Maximum Height & Distances
STEP 3 Remove Mounting Plate from Indoor Unit.
STEP 4 Find secure location for the Mounting Plate and mark the holes. *Note: Be sure that the plate is level.
STEP 5 Attach Mounting Plate to structure.
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.
STEP 7 Install supplied wall sleeve.
STEP 8 Prepare Indoor Unit refrigerant piping connections.
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.
STEP 10 Guide the line set through the 2 ½ inch hole.
*Note: Refrigerant Pipes
STEP 11 Remove the seal caps from the refrigerant lines.
STEP 12 Tighten connections using wrenches working in opposite direction. *Note: For best result use Torque Wrench.
STEP 13 Connect the supplied drain line extension.
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.
*Note: Always keep drain line at the bottom of bundle.
STEP 15 Reconnect Indoor Unit to Mounting Plate.
STEP 16 Install vibration pads and secure Outdoor Unit.
*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.
STEP 17 – Outdoor Unit (Condenser) Connection Remove valve cover.
STEP 18 Remove seal cap protector.
*Note: Pipe Connection
STEP 19 Connect refrigerant lines to outdoor unit valves.
STEP 20 Bleed/ Purge system using a Vacuum Pump.
*Note: Vacuum Bleeding
*Note: Vacuum line for 10 to 15 minutes, or to 30 microns.
STEP 21 - Electrical Connection Remove condenser electrical cover.
STEP 22 Plug Quick-Connect terminal from Indoor Unit into the Quick-Connect terminal from the Outdoor Unit.
STEP 23 Connect ground to metal plate.
STEP 24 Connect line from service box to compressor.
STEP 25 Re-install the electrical cover.
STEP 26 – Purge Excess Air Open high side valve ¼ turn counter clockwise.
STEP 27 Remove service valve cap.
STEP 28 Press schrader (Service) valve for 3 seconds.
STEP 29 Open liquid valve completely counter clockwise. *Note: Valve must be fully open.
STEP 30 Open suction valve completely counter clockwise. *Note: Valve must be fully open.
STEP 31 Check for leaks at all joint connections.
STEP 32 Wrap remaining refrigerant line with UV insulation tape.
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.
