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Mars Comfort-Aire Century SE Series Instruction Manual

Multi-position aluminum cased coils
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Multi-Position Aluminum Cased Coils
Thank you very much for purchasing our product,
Before using your unit , please read this manual carefully and keep it for future reference.
The figure shown in this manual is for reference only and may be slightly different from the actual product.
INSTALLER'S GUIDE
CONDENSING UNITS
SE Series
Multi-Position Cased Coils
Cooling and Heat Pump Compatible
MAA*****S1A
Factory Installed R410a Metering Device
Instruction Manual
517.787.2100 • www.marsdelivers.com

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Summary of Contents for Mars Comfort-Aire Century SE Series

  • Page 1 INSTALLER’S GUIDE CONDENSING UNITS SE Series Multi-Position Cased Coils Multi-Position Aluminum Cased Coils Cooling and Heat Pump Compatible MAA*****S1A Factory Installed R410a Metering Device Instruction Manual Thank you very much for purchasing our product, Before using your unit , please read this manual carefully and keep it for future reference. The figure shown in this manual is for reference only and may be slightly different from the actual product.

  • Page 2: Table Of Contents

    MAA*****S1A Instruction Manual Multi-Position Aluminum Cased Coil RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION WARNING These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment and operation of this unit. Read these instructions thoroughly before attempting installation or operation. Failure to follow these instruction may result in improper installation,adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.

  • Page 3: Safety

    Multi-Position Aluminum Cased Coil MAA*****S1A Instruction Manual 1 SAFETY WARNING Disconnect all power to the unit before starting any service and maintenance. Failure to do so could cause severe electrical shock resulting in personal injure or death. Installation or servicing of this unit can be hazardous due to parts, components and system pressure. Qualified and proper trained service personnel should perform installation and repair.

  • Page 4: Codes & Regulations

    MAA*****S1A Instruction Manual Multi-Position Aluminum Cased Coil DIMENSIONAL DATA Unit Dimensions WEIGHT SUPPLY MODELS UNIT HEIGHT UNIT WIDTH LIQUID LINE/ (LBS.[kg]) DUCT "A" "W1" IN. [mm] "H" IN. [mm] "W" IN. [mm] VAPOR LINE IN. [mm] MAA1836AS1A 20"[508] 14-1/2"[368] 13"[330] 13-1/2"[343] 3/8"...

  • Page 5: Installation Instructions

    Multi-Position Aluminum Cased Coil MAA*****S1A Instruction Manual 3 INSTALLATION INSTRUCTIONS 3.3 Installation And Trap Connection 3.1 Replacement Parts 1. See Fig. 3-1 for coil installation and drain connection. Contact your distributor for authorized replacement 2. Installation steps for cased coil: parts.
  • Page 6 MAA*****S1A Instruction Manual Multi-Position Aluminum Cased Coil Fig. 3-2 Transition for horizontal left orientation 3. If the coil is used in connection with an upflow furnace in horizontal left orientation, a sheet metal transition can be installed between the furnace supply air outlet and the evaporator coil supply air inlet to create clearance between coil lineset and furnace flue outlet for A-cabinet non-condensing furnaces and for all cabinet size condensing furnaces.

  • Page 7: Drain Application

    Multi-Position Aluminum Cased Coil MAA*****S1A Instruction Manual 4 DRAIN APPLICATION Install a trap in the drain line below the bottom of the drain pan. If using a copper drain line, solder a short 4.1 Condensate Drain Piping piece of pipe to the connector before installing a drain Consult local codes for special requirements.

  • Page 8: Refrigerant Connections

    MAA*****S1A Instruction Manual Multi-Position Aluminum Cased Coil 5 REFRIGERANT CONNECTIONS CAUTION Gently remove the sealing plug of vapor line, use one wrench to fix valve base, loose the nut with another wrench, take out the flange pad and sealing ring. To prevent refrigerant leak, use proper tools to ensure clean, burr-free cut.

  • Page 9: Optional Txv Kit Installation

    Multi-Position Aluminum Cased Coil MAA*****S1A Instruction Manual * The literature bag will contain additional R-410A pistons for most applications. * Contact your local parts center to order the appropriate piston if it is not included with the literature. WARNING 6.2 Optional TXV Kit Installation Failure to install the proper piston can lead to poor system...

  • Page 10: Air Flow Performance

    MAA*****S1A Instruction Manual Multi-Position Aluminum Cased Coil 7 AIR FLOW PERFORMANCE Airflow performance [CFM VS Pressure drop] Pressure drop characteristics for cooling and heat pump coils Pressure drop (Inches of water) Model 0.05 0.15 0.25 0.35 0.4* MAA1836AS1A 1063 MAA1836BS1A 1024 1122 1217...
  • Page 11 STANDARD SERIES LIMITED EXPRESS WARRANTY COVERAGE Congratulations on purchasing your new HVAC equipment. It has been designed for long life and reliable service. Your unit automatically qualifies for the warranty coverage listed below, provided you keep your proof of purchase (receipt) for the equipment and meet the warranty conditions.
  • Page 12 12/23...

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