Heat Controller MMC24DA-1 - Manuals

Installation Manual 5 Safety Precautions Do not modify or extend thepower cable. • There is risk of fire or electric shock. Be cautious whenunpacking and installingthe product. • Sharp edges could cause injury. Be especially careful ofthe case edges and the fins onthe condenser and evaporator. For i...

6 Wall Mounted Multi-Zone Split System Air Conditioner Safety Precautions CAUTION ■ Installation Always check for gas(refrigerant) leakage afterinstallation or repair ofproduct. • Low refrigerant levels may cause failure of product. Install the drain hose toensure that water is drainedaway properly....

Installation Manual 7 Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Read completely, then follow step by step. Indoor unit 1. Does not have any heat or steam near the unit. 2. Select a place where there are no obstacles in front of the unit. 3. Make sure that condensation...

Seaside Applications and Installation 8 Wall Mounted Multi-Zone Split System Air Conditioner Installation of Indoor, Outdoor Unit 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 ex...

Installation Manual 9 Installation of Indoor, Outdoor Unit Multi-Zone Piping Recommendations: Piping length and elevation 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) ...

• Drill the piping hole with a Ø 70 mm (Ø 2.75 inch) hole core drill. Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side. Drilling the hole in the wall 5-7 mm (0.2"~0.3") Indoor WALL Outdoor 10 Wall Mounted Multi-Zone Split System Air Con...

Installation Manual 11 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 byusing the following procedures. Cut the pipes 1. Use the piping kit accessory or the pipes...

12 Wall Mounted Multi-Zone Split System Air Conditioner Flaring Work and Connection of Piping Check 1. Compare the flared work with the figure on the right. 2. If a flared section is defective, cut it off and repeat the flaring process again. Indoor 1. Prepare the indoor unit's piping and drain hose...

14 Wall Mounted Multi-Zone Split System Air Conditioner Flaring Work and Connection of Piping 1. Route the indoor tubing and the drain hose to the required piping hole position. 2. Insert the piping, drain hose, and the connecting cable into the piping hole. 3. Insert the connecting cable into the i...

Installation Manual 15 Flaring Work and Connection of Piping Wrap the insulation material around theconnecting portion. 1. Overlap the connection pipe insulation and the indoor unit pipe heat insulation material.Bind them together with vinyl tape so thatthere is no gap. 2. Wrap the area which accomm...

16 Wall Mounted Multi-Zone Split System Air Conditioner 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 rig...

Installation Manual 17 Flaring Work and Connection of Piping Outdoor Align the center of the piping and sufficientlytighten the flare nut by hand. Finally, tighten the flare nut with a torquewrench until the wrench clicks. • When tightening the flare nut with the torque wrench, ensure the direction ...

18 Wall Mounted Multi-Zone Split System Air Conditioner 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 by connecting the wires to the terminals on the controlboard individually according to the ...

Installation Manual 19 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 loosening the screws.Connect the wires to the terminals on thecontrol board individually per the following. 2. Secure the cable onto the...

20 Wall Mounted Multi-Zone Split System Air Conditioner Connecting the Cable between Indoor Unit and Outdoor Unit (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 on the opposite side...

Installation Manual 21 Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the indoor unit CAUTION: Provide a circuit breaker between power source and the unitas shown below. Air Conditioner Circuit Breaker Use a circuitbreaker or timedelay fuse. Main power source Model Po...

22 Wall Mounted Multi-Zone Split System Air Conditioner Checking the Drainage, Insulating the Pipe and Special Piping Applications Checking the Drainage, Insulating the Pipe and Special Piping Applications Checking the drainage To check the drainage. 1. Pour a glass of water into the evaporator. 2. ...

Installation Manual 23 Checking the Drainage, Insulating the Pipe and Special Piping Applications Insulating the Pipe and Special Piping Applications Insulate the piping by wrapping theconnecting portion of the indoorunit with insulation material andsecure it with two kinds of vinyltape. • If you wa...

24 Wall Mounted Multi-Zone Split System Air Conditioner Air Purging and Evacuation Air Purging and Evacuation Air and moisture remaining in the refrigerant system have undesirable effects as indicated below.1. Pressure in the system rises.2. Operating current rises.3. Cooling(or heating) efficiency ...

Installation Manual 25 1. Connect the charge hose end described in the preceding steps to the vacuum pump toevacuate the tubing and indoor unit.Confirm the "Lo" knob of the manifold valve isopen. Then, run the vacuum pump.The operation time for evacuation varies withtubing length and capacit...

Test Running Installation Manual 27 1. Check that all tubing and wiring have been properly connected. 2. Check that the gas and liquid side service valves are fully open. Prepare remote control Remove the battery cover by pulling it accordingto the arrow direction.Insert new batteries making sure th...