Page 2 - Table of Contents; Caution; • Contact an authorized installer for installation of this unit.
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 1 Table of Contents Safety Precautions Warnings and Cautions ........................................................................... 2 Installation Instructions Selecting an installation location .................................
Page 3 - This symbol indicates the possibility of death or serious injury.; The items to be followed are classified by the symbols:; Do not install without an authorized servicer/installer.; The seriousness is classified by the following indications.
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 2 WARNING! ! CAUTION! ! This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to property. This symbol denotes item that is PROHIBITED from doing. The items to ...
Page 4 - Selecting installation place; direct sunlight or rain exposure, make sure that heat; Rooftop installation
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 3 1. Wall-mounted type Selecting installation place Read completely, then follow step by step. Indoor unit • Do not expose the indoor unit to heat or steam.• Select a place where there are no obstacles in front or around the unit....
Page 5 - INSTALLATION INSTRUCTIONS; Name of Accessories; Tools needed for installation:; Level gauge
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 4 4 Accessories INSTALLATION INSTRUCTIONS Note: Except the above parts provided, the other parts needed during installation you must purchase. Parts you must purchase (The minimum pipe wall-thickness of 0.7mm is required. ) 6.35 9...
Page 6 - • Use a stud finder to locate studs to prevent; CAUTION
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 5 • Use a stud finder to locate studs to prevent unnecessary damage to the wall. • A minimum pipe run of 9.8 ft (3m) is re - quired to minimize vibration & excessive noise. • Two of the “A,” “B” and “C” air flow direc - tions ...
Page 7 - Installation Plate; A. Mount the installation plate horizontally on struc; NOTE; Plate may be slightly different according to the different; Drill a hole in the wall; B. Always use wall hole conduit when drilling metal; Connective Pipe and Drainage Installation; Model
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 6 Indoor unit installation (wall-mounted type) 1. Installation Plate A. Mount the installation plate horizontally on struc - tural parts (studs) of the wall with proper clear - ance around the installation plate. B. If the wall is...
Page 8 - INSTALLATION INSTRUCTIONS; Connective pipe installation; Piping and wrapping; Indoor unit; with any other wiring.
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 7 7 INSTALLATION INSTRUCTIONS 1. For the left-hand and right-hand piping, remove the pipe cover from the side panel. 2. For the rear-right-hand and rear-left-hand piping, install the piping as shown in Fig.9. Bend the connective p...
Page 9 - Put the upper claw at the back of the indoor; Indoor unit installation
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 8 1. Pass the piping through the hole in the wall. 2. Put the upper claw at the back of the indoor unit on the upper hook of the installation plate, move the indoor unit from side to side to see that it is securely fastened (see F...
Page 10 - Outdoor Unit Installation; Outdoor installation precaution
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 9 Outdoor Unit Installation Outdoor installation precaution • Install the outdoor unit on a rigid base to prevent increasing noise level and vibration. • Determine the air outlet direction where the discharged air is not blocked. ...
Page 11 - Drain joint installation; Refrigerant pipe connection; Flare nut; REFRIGERANT PIPE CONNECTION; Use line set kit or copper tubes/pipes
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 10 Fit the seal into the drain elbow, then insert the drain joint into the base pan hole of outdoor unit, rotate 90 to securely assemble them. Connecting the drain joint with an extension drain hose (Locally purchased), in case of...
Page 12 - Tightening Connection; • Align the center of the pipes.; Excessive torque can break nut depending on; Outer diameter; Refrigerant Pipe Connection
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 11 D: Flaring work Firmly hold copper pipe in a die in the dimension shown in the table below. Tightening Connection • Align the center of the pipes. • Sufficiently tighten the flare nut with fingers, and then tighten it with a sp...
Page 13 - Electrical Work; side of control cover.; disturbance of the normal function of the overload.; Electric safety regulations for the initial Installation
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 12 Electrical Work 1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the in - side of control cover. 2) The screws which...
Page 14 - Connect the cable to the outdoor unit
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 13 • Do not touch the capacitor even if you have disconnected the power or electric shock haz - ard may occur. For your safety, you should start repairing at least 5 minutes after the power is disconnected. • The power is supplied...
Page 15 - Air Purging; Air purging with vacuum pump; Preparation; Connective Pipe Length; Use vacuum pump
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 14 Air Purging Air and moisture in the refrigerant system have undesirable effects as indicated below: • Pressure in the system rises. • Operating current rises. • Cooling or heating efficiency drops. • Moisture in the refrigerant...
Page 16 - When Using the Vacuum Pump
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 15 When Using the Vacuum Pump (For method of using a manifold valve, refer to its operation manual.) 1. Completely tighten the flare nuts, A, B, C, D, connect the mani - fold valve charge hose to a charge port of the low-pressure ...
Page 17 - C and D are ends of indoor unit connection.; Electrical safety check; AIR PURGING; The illustration is for explanation; and D on the machine may be slightly; Refrigerant Leak Check
Heat Controller, Inc. INSTALLATION MANUAL VMH InverterFlex Mini-Split 16 Perform the electric safe check after completing installation: 1. Insulated resistance The insulated resistance must be more than 2M . 2. Grounding work After finishing grounding work, measure the grounding resistance by visual...
Page 18 - Test running; electrical safety check.; TEST RUNNING; Testing the System
VMH InverterFlex Mini-Split INSTALLATION MANUAL Heat Controller, Inc. 17 Test running Perform test operation after completing gas leak check at the flare nut connections and electrical safety check. Check that all tubing and wiring have been properly connected. Check that the gas and liquid side ser...