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HEAT CONTROLLER, INC.
Wall Mounted Multi-Zone Split System
MMC18DA-1 MMH18DA-1
MMC24DA-1 MMH24DA-1
MMC36TA-1 MMH36TA-1
Air Conditioning / Heat Pump
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Wall Mounted Multi-Zone Split System Air Conditioner Installation Manual TABLE OF CONTENTS Required Tools Installation Requirements Installation Parts Provided.........................................3 ❏ Level gauge ❏ Screw driver Safety Precautions......................................................4 ❏ Electric drill Installation of Indoor, Outdoor Unit...........................7 ❏ Hole core drill (ø 70 mm/ø 1.97 inch) Select the best location ...........................................7 ❏ F
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Installation Parts Provided Installation Parts Provided Standard Type Installation plate Type "A" screws and plastic anchors Type "B" screws Remote Control Holder 18/24K BTU/h Air Intake (side, rear) more than 30 cm (11.8 inch) more than more than 30 cm 30 cm (11.8 inch) (11.8 inch) Control cover Connecting wire Connection pipe Drain hose more than more than 70 cm 60 cm (27.6 inch) (23.6 inch) Air Outlet 36K BTU/h Air Intake (side, rear) more than 30 cm (11.8 inch) more than more than 30 cm
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Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instructions will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. WARNING This symbol indicates the possibility of injury or damage. CAUTION Meanings of symbols used in this manual are as shown below. Be sur
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Safety Precautions Do not modify or extend the Be cautious when For installation, always power cable. unpacking and installing contact the dealer or an the product. Authorized Service Center. • There is risk of fire or electric • Sharp edges could cause • There is risk of fire, electric shock. injury. Be especially careful of shock, explosion, or injury. the case edges and the fins on the condenser and evaporator. Do not install the product Do not let the air conditioner Be sure the installati
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Safety Precautions Operation Do not store or use flammable gas or combustibles near the product. • There is risk of fire or failure of product. CAUTION Installation Always check for gas Install the drain hose to Keep level even when (refrigerant) leakage after ensure that water is drained installing the product. installation or repair of away properly. product. • Low refrigerant levels may • A bad connection may cause • To avoid vibration or water cause failure of product. water leakage.
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Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Read completely, then follow step by step. Select the best location Indoor unit Indoor Unit 1. Does not have any heat or steam near the More than 10 cm unit. (3.9 inch) More than 20 cm 2. Select a place where there are no obstacles (7.9 inch) in front of the unit. 3. Make sure that condensation drainage can be conveniently routed away. 4. Do not install near a doorway. More than 2.4m 5. Ensure the unit is unobstructed, al
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Installation of Indoor, Outdoor Unit Seaside Applications and Installation 1. Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. 2. Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result in corrosion to the product. Particularly on the condenser and evaporator fins, could cause product malfunction or inefficient performance. 3. If the outdoor unit is installed close to the seasid
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Installation of Indoor, Outdoor Unit Piping length and elevation Multi-Zone Piping Recommendations: Max Elevation Max total length Max length of Min length of Max elevation between each Capacity of all pipes each pipe each pipe between indoor indoor unit and (A+B/A+B+C) (A/B/C) (A/B/C) units (h2) outdoor unit (h1) 18K BTU/h 30 m (100 ft) 15 m (50 ft) 3 m (10 ft) 7.5 m (25 ft) 7.5 m (25 ft) 24K BTU/h 30 m (100 ft) 15 m (50 ft) 3 m (10 ft) 7.5 m (25 ft) 7.5 m (25 ft) 36K BTU/h 45 m (150 ft) 15 m (
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Installation of Indoor, Outdoor Unit Mounting Installation Plate The wall you select should be strong and solid Installation Plate enough to prevent vibration 1. Mount the installation plate on the wall with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts. Chassis • Mount the installation plate horizontally by Hook aligning the centerline using a level. Type "A" screw 2. Measure the wall and mark the centerline. It is also important to use caution concerning the locat
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Flaring Work and Connection of Piping Flaring Work and Connection of Piping Flaring work Main cause for gas leakage is due to defect in flaring work. Carry out the correct flaring work by using the following procedures. Cut the pipes 1. Use the piping kit accessory or the pipes purchased locally. Copper Slanted Uneven Rough pipe 2. Measure the distance between the indoor and 90° the outdoor unit. 3. Cut the pipes a little longer than measured distance. 4. Cut the cable 1.5 m (5.0 ft) longer t
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Flaring Work and Connection of Piping Check Smooth all round 1. Compare the flared work with the figure on Inside is shiny without scratches the right. 2. If a flared section is defective, cut it off and = Improper flaring = repeat the flaring process again. Inclined Surface Cracked Uneven damaged thickness Even length all round Connecting the Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illustra
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Flaring Work and Connection of Piping 4. Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks Connecting cable of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure Drain hose that the hooks are properly seated on the installation plate by moving it left and right. Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound
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Flaring Work and Connection of Piping For left rear piping 1. Route the indoor tubing and the drain hose to the required piping hole position. Connecting cable 2. Insert the piping, drain hose, and the connecting cable into the piping hole. 3. Insert the connecting cable into the indoor unit. Drain pipe • Don't connect the cable to the indoor unit. • Make a small loop with the cable for easy connection later. 4. Tape the drain hose and the connecting cables. 5. Indoor unit installation • Hang t
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Flaring Work and Connection of Piping Wrap the insulation material around the Plastic bands Insulation material connecting portion. 1. Overlap the connection pipe insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so that there is no gap. Indoor 2. Wrap the area which accommodates the rear Connection unit piping pipe piping housing section with vinyl tape. Vinyl tape Wrap with vinyl tape (wide) Pipe Vinyl tape(narrow) Connecting cable 3. Bundle the
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Flaring Work and Connection of Piping Installation Information. For left piping. Follow the instruction below. Best Practice • Press on the upper side of clamp and unfold the tubing to slowly downward. Worst Practice • Bending the pipe from right to left may cause damage to the tubing. 16 Wall Mounted Multi-Zone Split System Air Conditioner
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Flaring Work and Connection of Piping Outdoor Align the center of the piping and sufficiently tighten the flare nut by hand. Finally, tighten the flare nut with a torque Outdoor unit wrench until the wrench clicks. 18/24K BTU/h • When tightening the flare nut with the torque wrench, ensure the direction for tightening follows the arrow on the wrench. A-UNIT Gas side piping Outside diameter Torque mm inch kgf.m (lbf-ft) B-UNIT Liquid side piping Ø6.35 1/4 1.8 ~ 2.5 (13) Ø9.52 3/8 3.4 ~ 4.2 (20) T
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GN/YL 20 mm (0.79 inch) GN/YL 20 mm (0.79 inch) GN/YL 20 mm (0.79 inch) Connecting the Cable between Indoor Unit and Outdoor Unit Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Indoor unit Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No. are the same as those of the indoor unit
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Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Outdoor unit 1. Remove the control cover from the unit by Outdoor unit loosening the screws. Connect the wires to the terminals on the Terminal block control board individually per the following. Over 5 mm (0.2 inch) 2. Secure the cable onto the control board with Holder for the holder (clamper). power supply 3. Re-attach the control cover to the original cord position using the screws. Power supply 18K BTU/h ca
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Connecting the Cable between Indoor Unit and Outdoor Unit Methods of connecting the cable (1) Remove two-caps on the conduit panel. (for low voltage line) (2) Pull the connection cable through conduit. (3) After conduit is through the panel, secure the nut Terminal block on the opposite side of panel. (4) Pass the connection cable through the hole. (5) Properly connect the cable onto the terminal Cord clamp G block. Cap(Reuse) (6) Secure the connection cable with cord clamp Lock nut provided
