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Installation and Operation Manual - VCDxxSA
Installation and Operation Manual - VCDxxSA
AIR-HANDLER
Installation Manual
Safety precutions & Installation
INSTALLATION MANUAL
Hyper Heat Single Zone
Single Zone Side Discharge Inverter
Air Handler & Condenser
VCD18, 24, 30, 36, 48, 60 SA Series
ECD3, 5, 8, 10, 15, 20, 25 KW Series
IMPORTANT NOTE:
Read this manual carefully before
installing or operating your new
air conditioning unit. Make sure to
save this manual for future reference.
AIR CONDITIONER
INSTALLATION MANUAL
Hyper Heat
Models
VCD24, 30, 36, 48, 60 SA Series
ECD8, 10, 15, 20, 25 KW Series
517.787.2100 • www.marsdelivers.com
517.787.2100 • www.marsdelivers.com
Models
North America Products
EN
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Summary of Contents for Mars Confort-Aire Century VCD18 Series
- Page 1 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA AIR-HANDLER AIR CONDITIONER Installation Manual Safety precutions & Installation INSTALLATION MANUAL INSTALLATION MANUAL Hyper Heat Hyper Heat Single Zone Single Zone Side Discharge Inverter Air Handler & Condenser Models Models VCD24, 30, 36, 48, 60 SA Series...
- Page 2 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA INSTALLATION MANUAL SAFETY PRECAUTIONS ACCESSORIES INDOOR UNIT INSTALLATION REFRIGERANT PIPING CONNECTION INSTALLATION OF ELECTRIC AUXILIARY HEAT MODULE (ONLY FOR HEAT FUNCTION MODELS) CONFIRMATION OF INDOOR UNIT OUTDOOR UNIT INSTALLATION WIRING SPECIFICATION AIR EVACUATION...
- Page 3 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA SAFETY PRECAUTIONS Intended Use The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. Please check the packaging and appliance on arrival to make sure everything is intact to ensure safe operation.
- Page 4 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA WARNINGS FOR PRODUCT USE • If an abnormal situation arises (like a burning smell), immediately turn off the unit and disconnect the power. Call your dealer for instructions to avoid electric shock, fire or injury. •...
- Page 5 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA • If connecting power to fixed wiring, an all-pole disconnection device which has at least 3mm clearances in all poles, and have a leakage current that may exceed 10mA, the residual current device(RCD) having a rated residual operating current not exceeding 30mA, and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.
- Page 6 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA NOTE ABOUT FUSE SPECIFICATIONS • The air conditioner’s circuit board (PCB) may be designed with a fuse to provide overcurrent protection. This fuse must be replaces with identical component. •...
- Page 7 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA ACCESSORIES The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or equipment failure.
- Page 8 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA INDOOR UNIT INSTALLATION CAUTION Install the indoor and outdoor units, cables and wires at least 1m (3-1/5′) from televisions or radios to prevent static or image distortion. Depending on the appliances, a 1m (3-1/5′) distance may not be sufficient.
- Page 9 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA WARNING There must be an airtight seal between the bottom of the air handler and the return air plenum. Use fiberglass sealing strips, foil duct tape, caulking, or equivalent sealing method between the plenum and the air handler cabinet to ensure a tight seal.
- Page 10 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Indoor unit parts installation size (unit: mm/inch) Model A Model B Model(Btu/h) Model(Btu/h) 12K~24K 30K~48K Dimensions Dimensions 1143 1245 1346 1245 Length of A Length of A inch inch Length of B Length of B...
- Page 11 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Installation Position Requirements Vertical installations Horizontal installations NOTICE FOR DUCT CONNECTIONS： It should be assembled It should be insulated It should be Flexible It should be fabricated accordance to the and use a Vapor Barrier.
- Page 12 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA CAUTION A field-fabricated secondary drain pan, with a drain pipe to the outside of the building, is required in all installations over a finished living space or in any area that may be damaged by overflow from the main drain pan.
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Page 13: Table Of Contents
Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Connecting the wire and pipes(pipes and drainage pipes) Vertical down Horizontal right Please follow these steps to perform installation and installation: Step 1 Open the upper cover. Step 2 Open the cover of the electronic control box. -
Page 14: Notice
Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Step 4 Step 5 Indication of the position of each Unplug temperature sensors T1,T2 from temperature temperature sensor the control board. of the evaporator, confirm your T1: Room temperature sensor model. -
Page 15: Step 6
Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Step 6 Step 9 Take out the evaporator and drain pan and rotate 180° Reinstall T1, T2 sensor plug and tie up the sensor wires. (when your equipment need to be vertical downed configuration). -
Page 16: Connect The Wire According To The Wiring Diagram
Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Step 10 The evaporator is assembled in place. Step 11 Step 13 Use cable ties to fix the room temperature sensor as shown in the figure. Connect the wire according to the wiring diagram. cable Step 14 ties... - Page 17 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA NOTICE ON PURCHASING PIPES Installation requires pvc pipe or other suitable material per local and national codes, which can be obtained at your local hardware store or dealer. WARNING •...
- Page 18 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA REFRIGERANT PIPING CONNECTION WARNING All field piping must be completed by a licensed technician and must comply with the local and national regulations. • When the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant concentration in the room from exceeding the safety limit in the event of refrigerant leakage.
- Page 19 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Connection Instructions—Refrigerant Piping Step 1: Cut pipes Step 2: Remove burrs When preparing refrigerant pipes, take Burrs can affect the air-tight seal of refrigerant piping extra care to cut and flare them properly. connection.
- Page 20 Installation and Operation Manual - VCDxxSA Outdoor unit Liquid side piping Installation and Operation Manual - VCDxxSA (Smaller diameter) • Clamp flare from on the end of the pipe. The end of the pipe must extend beyond the flare form. (Bigger Flare form Pipe...
- Page 21 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA CAUTION • Thread this pipeline through the wall and connect it to the outdoor unit. Check to make sure there is no refrigerant • Insulate all the piping, including the valves of leak after completing the installation work.
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Page 22: Remove The
Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA INSTALLATION OF ELECTRIC AUXILIARY HEAT MODULE (ONLY FOR HEAT FUNCTION MODELS) NOTICE Installation must be performed by an licensed contractor. Please make necessary precaution when performing the installation operation. Accessories Preparations for Installation Before installation, please confirm the electric... - Page 23 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Step 3 Step 5 Remove the terminal block and power wires, Tighten the mounting screws. loosen the screws, and remove the electric auxiliary heating cover. screws. Step 6 Wire according to the wiring nameplate.
- Page 24 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA CONFIRMATION OF INDOOR UNIT NOTICE Electric auxiliary heating wiring diagram packed with the accessories. If branch circuit wire lenght exceeds 100 ft, consult NEC 210-19a to determine maximum wire length. Use 2% voltage drop.
- Page 25 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA...
- Page 26 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Electric auxiliary heating wiring diagram...
- Page 27 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Electric auxiliary heating wiring diagram...
- Page 28 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA OUTDOOR UNIT INSTALLATION NOTICE Install the unit by following local switchs and regulations , there may be differ slightly between different regions. Select the installation location of outdoor units Before installing the outdoor unit, you must choose an appropriate location.
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Page 29: Step 1
Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Install drain fitting(Heat pump unit only) Base pan hole of outdoor unit Step 1： Find out the base pan hole of outdoor unit. Seal Step 2： Fit the rubber seal on the end of the drain fitting that will connect to the ●... - Page 30 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Anchor outdoor unit The outdoor unit can be anchored to the ground or to a wall-mounted bracket with bolt(M10). Prepare the installation base of the unit according to the dimensions below. Outdoor Unit Types and Specifications Front view Top view...
- Page 31 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA If you will install the unit on the ground If you will install the unit on a or on a concrete mounting platform, wall-mounted bracket, DO THE FOLLOWING: DO THE FOLLOWING: Mark the positions for four expansion bolts Mark the position of bracket holes based on...
- Page 32 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA WIRING PRECAUTIONS WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. All wiring must comply with local and national Do not let wires touch or rest against ● ●...
- Page 33 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA OUTDOOR UNIT WIRING WARNING Before performing any electrical or wiring work, turn off the main power to the system. Step 1: Prepare the cable for connection. 4. Clamp down the cable with the cable clamp. 5.
- Page 34 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA INDOOR UNIT WIRING CAUTION • While connecting the wires, please strictly follow the wiring diagram. • The refrigerant circuit can become very hot. Keep the interconnection cable away from the copper tube.
- Page 35 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA SPECIFIC WIRING METHODS WARNING Please refer to the wiring nameplate for the wiring method. Do not connect the power cord to the communication line, as this may damage the system. Connection method A: Connection method B: Refer to the wiring method of internal and...
- Page 36 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Connection method C: Condensate overflow switch: Cooling and Fixed-speed Type Only System The unit will accommodate a remote condensate Wiring Diagram: overflow switch. To enable, remove jumper J1, and connect the installer provided condensate overflow device to CN5 per below.
- Page 37 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Dehumidification control wiring Control logic Indoor unit connector Connector Purpose Dehumidification control requires external Humidistat at DH and R. Set S4-2 as OFF. When the humidity rises and exceeds the set value of the Humidistat, the 24V signal of DH changes to 0V, the cooling system starts the dehumidification operation, and the air volume...
- Page 38 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA DIP switch definitions Function Rotary switch...
- Page 39 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Function DIP switch settings: Function combination table of SW1-1 and SW1-4: The 24V thermostat mode needs to refer Control type Stand alone or full system to the following settings: Free match Free match Wired...
- Page 40 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Table A 24V Tstat, S1+S2 S3 ( ) S3 ( Control Scenario Wired Controller S1+S2 Full 24V Outdoor unit DIP Switch setting Metering device location Address DIP switch: Determined by dial code S2 1-10K 2-5.1K Address dialing S1+S2: When the user uses the Dial code selection...
- Page 41 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Air volume table 24V thermostat Wired controller Air flow External Static Capacity Fan speed Electric heater kit volume Pressure Range DIP Switch 24V terminal engaged DIP Switch Mode (CFM) Cooling Turbo —...
- Page 42 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA Air volume table 24V thermostat Wired controller Airflow fl External Static volume Capacity Fan Speed Electric heater kit Pressure Range DIP Switch 24V terminal engaged DIP Switch Mode (CFM) —...
- Page 43 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA POWER SPECIFICATIONS Cooling and Heating power specifications(for North America models) PHASE POWER (outdoor) FREQUENCY AND VOLT INDOOR UNIT(A) 6.3A 6.3A 6.3A INPUT CIRCUIT FUSE OUTDOOR UNIT(A) 2+Ground LINE QUANTITY OUTDOOR UNIT POWER LINE LINE DIAMETER(AWG)
- Page 44 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA AIR EVACUATION NOTICE When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further. Close the Low Pressure side of the manifold Preparations and precautions gauge, and turn off the vacuum pump.
- Page 45 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA NOTE ON ADDING REFRIGERANT CAUTION DO NOT mix refrigerant types. Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is 7.5m (25’). In other areas, the standard pipe length is 5m (16‘).
- Page 46 Installation and Operation Manual - VCDxxSA Installation and Operation Manual - VCDxxSA TEST RUN CAUTION Failure to perform the test run may result in unit damage, property damage, or personal injury. 5. For the Outdoor Unit Before test run a. Check to see if the refrigeration system is leaking.
- Page 47 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 48 Installation and Operation Manual - VCDxxSA 7/2023...