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Split Horizontal-Vertical Duct Air Conditioner Indoor Unit
OWNER'S & INSTALLATION MANUAL
Owner's Manual &
Split Horizontal-Vertical
Installation Manual
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.
Duct Air Conditioner
Indoor Unit
MCD18B1A
MCD30C1A
MCD48C1A
517.787.2100 • www.marsdelivers.com
Split Horizontal-Vertical Duct Air Conditioner In
Owner's Manual &
Models
Installation Manual
MCD24B1A
MCD36C1A
MCD60D1A
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Table of Contents
Related Manuals for Mars Comfort-aire Century MCD18B1A
Summary of Contents for Mars Comfort-aire Century MCD18B1A
- Page 1 Split Horizontal-Vertical Duct Air Conditioner Indoor Unit OWNER’S & INSTALLATION MANUAL Owner’s Manual & Split Horizontal-Vertical Installation Manual Duct Air Conditioner Indoor Unit Split Horizontal-Vertical Duct Air Conditioner In Owner’s Manual & Models Installation Manual MCD18B1A MCD24B1A MCD30C1A MCD36C1A MCD48C1A MCD60D1A IMPORTANT NOTE: Read this manual carefully before installing...
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Page 2: Table Of Contents
Owner’s and Installation Manual - MCD Coil Series Table of Contents SAFETY PRECAUTIONS ..............03 INTRODUCTION ................06 ...................07 INSTALLATION ................................07 1. INSPECT EQUIPMENT .........................07 2. INSTALLATION OF EVAPORATOR COILS ...............................09 3. REFRIGERANT LINE CONNE .................................09 4. CONNECT REFRIGERA 5. REFRIGERANT METERING DEVICE ............................10 ........................10 6. -
Page 3: Safety Precautions
Owner’s and Installation Manual - MCD Coil Series SAFETY PRECAUTIONS Read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. CAUTION WARNING This symbol indicates the possibility of... - Page 4 Owner’s and Installation Manual - MCD Coil Series CLEANING AND MAINTENANCE WARNINGS Turn o the device and disconnect the power before cleaning. Failure to do so can cause electrical • shock. Do not clean the air conditioner with excessive amounts of water. •...
- Page 5 Owner’s and Installation Manual - MCD Coil Series WARNINGS FOR PRODUCT INSTALLATION 1. Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or re. 2. Installation must be performed according to the installation instructions. Improper installation can cause water leakage, electrical shock, or re.
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Page 6: Introduction
Owner’s and Installation Manual - MCD Coil Series INTRODUCTION Use this instruction manual to install indoor coil on multi position furnaces. The coil is enclosed in a casing. Supply Return Horizontal Left Furnace Installation Evaporator Coil Return Supply Horizontal Right Furnace Installation Supply Return Down ow... -
Page 7: Installation
Owner’s and Installation Manual - MCD Coil Series INSTALLATION INSTALLATION OF EVAPORATOR COILS Air ow Ductwork Upflow coil installation The cased coil is designed to t furnaces of the Furnace same width. Coil 1. Set coil in place on up ow furnace discharge 4"minimum air opening. - Page 8 Owner’s and Installation Manual - MCD Coil Series Downflow Coil Installation Horizontal Coil Installation IMPORTANT: Installing “A" coils rotated 90 The unit can be installed on a work platform, degrees from the front of the furnace in secured to roof truss in attic, suspended from down ow applications can cause water blow hangers on oor joists in crawl space, or installed o or coil freeze up.
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Page 9: Refrigerant Line Conne
Owner’s and Installation Manual - MCD Coil Series REFRIGERANT LINE CONNECTIONS CONNECT REFRIGERANT, LIQUID, and SUCTION LINES WARNING For matched and mismatched systems, use line sizes recommended in outdoor unit Installation Failure to follow this warning could result • Instructions. in personal injury. -
Page 10: Refrigerant Metering Device
Owner’s and Installation Manual - MCD Coil Series 8. After brazing, allow joints to cool. Carefully CONDENSATE DRAIN LINE remove TXV bulb insulation and verify that CONNECTION the TXV bulb is securely fastened with hose clamp. Tighten screw a half-turn past hand tight with TXV bulb placed in the indentation CAUTION with full contact with the vapor line tube. -
Page 11: Waste Line Connection
Owner’s and Installation Manual - MCD Coil Series Air Gap Above Liquid Level Condensate Line Trap Sewer Line 3"(76mm) WASTE LINE CONNECTION NOTE: If unit is located in or above a living space, If the condensate line is to be connected to a where damage may result from condensate waste (sewer) line, an open trap must be in over ow, a eld-supplied, external condensate... -
Page 12: Care And Maintenance
Owner’s and Installation Manual - MCD Coil Series CARE AND MAINTENANCE To continue high performance and minimize possible equipment failure, it is essential that periodic maintenance be performed on this equipment. Consult your local dealer as to the proper frequency of maintenance, but it should be done at least annually. - Page 13 If for any reason the replacement part/product is no longer available during workmanship and materials for normal use and maintenance for ten (10) the warranty period, MARS shall have the right to allow a credit in the years from the date of purchase by the original consumer for the original amount of the current suggested retail price of the part/product instead of installation.
- Page 14 Owner’s and Installation Manual - MCD Coil Series Page Intentionally Left Blank...
- Page 15 Owner’s and Installation Manual - MCD Coil Series Page Intentionally Left Blank...
- Page 16 Owner’s and Installation Manual - MCD Coil Series 1/2023...
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