Page 3 - INSTALLATION INSTRUCTIONS; Part No. Name of Part; Remote Controller; Installation Parts; NOTICE; Anchoring the Outdoor Unit
Heat Controller, Inc. INSTALLATION INSTRUCTIONS SMA/SMH 18/24 2 Part No. Name of Part Quantity 1 Installation Plate 1 2 Anchor 8 3 Mounting Screw A (ST3.9x25-C-H) 8 4 Remote Controller 1 5 Remote Controller Holder 1 6 Mounting Screw B (ST2.9x10-C-H) 2 7 Refrigerant Pipe Liquid side o 1/4" (<2...
Page 4 - INDOOR UNIT INSTALLATION; Mounting Installation Plate and creating a Wall opening; Creating a wall opening
SMA/SMH 18/24 INSTALLATION INSTRUCTIONS Heat Controller, Inc. 3 INDOOR UNIT INSTALLATION 1. Mounting Installation Plate and creating a Wall opening Installation Plate and its measurements (inches): 5 inches or more 5 inches or more 2. Creating a wall opening 1. Attach the installation plate A. B. C....
Page 5 - Line Set and Condensate Drain Line; B. When extending the drain hose, insulate; DO; install the drain hose as illustrated below.
Heat Controller, Inc. INSTALLATION INSTRUCTIONS SMA/SMH 18/24 4 2. Line Set and Condensate Drain Line B. When extending the drain hose, insulate appropriately. 1. Condenstate Drain 2. Line Set • Connect the indoor unit first, then the outdoor unit. Bend and arrange the piping carefully. • Do not all...
Page 8 - Piping and Wrapping
SMA/SMH 18/24 INSTALLATION INSTRUCTIONS Heat Controller, Inc. 7 6. Piping and Wrapping A. For the left-hand and right-hand piping, remove the rear plate bushing from the left side of the rear plate. B. Wind the line set, drain hose and wiring with tape se - curely and evenly. Consult local and natio...
Page 9 - OUTDOOR UNIT INSTALLATION; Outdoor Installation Precaution
Heat Controller, Inc. INSTALLATION INSTRUCTIONS SMA/SMH 18/24 8 OUTDOOR UNIT INSTALLATION 1. Outdoor Installation Precaution • Install the outdoor unit on a rigid base to prevent noise and vibration.• Locate the air outlet direction where the discharged air is not blocked. Ensure there are no obstac...
Page 10 - Refrigerant Piping Connection; Tightening Connection
SMA/SMH 18/24 INSTALLATION INSTRUCTIONS Heat Controller, Inc. 9 3. Refrigerant Piping Connection 1. Flaring 2. Tightening Connection .04 A. B. A.B. Excessive torque can break the flare nut. Ensure the proper torque is adhered to in the chart below. Hand tighten the flare nut and then tighten it with...
Page 11 - NOTE
Heat Controller, Inc. INSTALLATION INSTRUCTIONS SMA/SMH 18/24 10 4. Wiring Connection A. Use a dedicated circuit. Use HACR break sized per unit’s rating plate. Size wires according to minimum circuit ampacity shown on the unit’s rating plate. • Be sure to comply with local and national electri - cal...
Page 12 - AIR PURGE AND TEST OPERATION; Connect the charge hose to the vacuum
SMA/SMH 18/24 INSTALLATION INSTRUCTIONS Heat Controller, Inc. 11 AIR PURGE AND TEST OPERATION 1. Air Purge where L=Length • Open the valve stem until it hits against the stop. Do not try to open it further. • Securely tighten the valve stem cap with a spanner or wrench. • Torque the valve properly: ...
Page 13 - Make sure connections do not leak
Heat Controller, Inc. INSTALLATION INSTRUCTIONS SMA/SMH 18/24 12 2. Gas Leak Check 3. Test Operation soapy water. Make sure connections do not leak with leak detector or soapy water. A. Lo packed valve B. Hi packed valve C. End of indoor unit connection D. End of indoor unit connection Test the unit...