Carrier Harmony 53VMCT18C Installation Manual

Floor/under ceiling split air conditioners, cool only, heat pump

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220-240V ~ 50Hz 1Ph

Harmony

Floor / Under Ceiling Split Air Conditioners

53VMCT 18C-24C Cool Only

53VMCT 18H-24H Heat Pump

INSTALLATION MANUAL

Carrier is committed to continuously improving its products according to national and international standards

to ensure the highest quality and reliability standards, and to meet market regulations and requirements.

All specifications subject to change without prior notice according to Carrier policy of continuous development.

Quality

Enviromental

Safety

Management System

03502827

ISO 9001 : 2008

ISO 14001 : 2004

BS OHSAS 18001 : 2007

Rev. (0) - 2013

Certi cate No.: QS-5519HH

Certi cate No : 12 104 30334 TMS

Certi cate No : 12 116 30334 TMS

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Summary of Contents for Carrier Harmony 53VMCT18C

Page 1 Carrier is committed to continuously improving its products according to national and international standards to ensure the highest quality and reliability standards, and to meet market regulations and requirements. All specifications subject to change without prior notice according to Carrier policy of continuous development. Quality...
Page 2: Table Of Contents
TABLE OF CONTENTS PAGE NO. 1. GENERAL NOTES TO INSTALLER 2. PRECAUTIONS BEFORE INSTALLATION 3. SPLIT SYSTEM DESCRIPTION 4. MODELS 5. OPERATING LIMITS 6. DIMENSIONS AND WEIGHTS OF INDOOR UNIT 7. DIMENSIONS AND WEIGHTS OF OUTDOOR UNIT 8. SELECTING INSTALLATION LOCATION OF INDOOR UNIT 9.
Page 3: General Notes To Installer
1. GENERAL NOTES TO INSTALLER CARRIER split room air conditioner has been carefully designed and manufactured under strict Quality Control conditions. Therefore you are completely responsible for proper installation completion and operation of the air conditioner. Carefully read the manual carefully before proceeding with the installation to ensure correct installation.
Page 4: Precautions Before Installation
9- Product normal sound ( refrigerant – moving parts – plastic parts ) 10- Inconvenience or commercial loss is not covered. The decision of Carrier in ascertaining the same will be final. Any such repairs will be carried - out at the expense of the owner ( purchaser ).
Page 5: Split System Description
3. SPLIT SYSTEM DESCRIPTION Indoor Unit Outdoor Unit 1: Remote control signal receiver 2: Operating status leds 6: Supply air outlet of indoor unit 3: Supply air flap of indoor unit 7: Characteristics nameplate. 4: Air return to indoor unit 8: Refrigerant piping lines and electrical cables 5: Air filters inside indoor unit 9: Condensate drain line.
Page 6: Models
VMC = Floor / Under Ceiling Harmony Series = High Ambient = System Size = Heat Pump = Cool Only = Nominal Power Supply 220-240V ~ 50Hz 1Ph = Wireless Remote Control = Miraco – Carrier 5. OPERATING LIMITS COOLING HEATING Dry Bulb Wet Bulb Dry Bulb...
Page 7: Dimensions And Weights Of Indoor Unit
6. DIMENSIONS AND WEIGHTS OF INDOOR UNIT 1000 DIMENSIONS (mm) Weight Model 42VMCT18 42VMCT24 7. DIMENSIONS AND WEIGHTS OF OUTDOOR UNIT DIMENSIONS (mm) Mounting Unit Dimensions Dimensions Weight Model (mm) (mm) 38VMCT18 760 590 285 39.5 Weight Model 38VMCT24 58.7...
Page 8: Selecting Installation Location Of Indoor Unit
8. SELECTING INSTALLATION LOCATION OF INDOOR UNIT 8.1 CONSIDERATIONS OF SELECTING INSTALLATION LOCATION Select installation location which allows 50 min minimum clearances for free air circulation and easy accessibility for service and maintenance. Ceiling Installation Wall Installation Dimensions (mm) Select installation location so that the wall hole required to pass the outlet refrigerant piping lines, electrical cables and condensate drain line from indoor unit can be in one of the following Four outlet locations as indicated by (1), (2), (3) and (4) NOTE:...
Page 9 SELECTING INSTALLATION LOCATION OF INDOOR UNIT (Cont.) CONSIDERATIONS OF SELECTING INSTALLATION LOCATION (Cont.) Select installation location which permit the unit to deliver air to all of the space to be uniformly air-conditioned. Avoid installation of the indoor unit at too low a position.
Page 10: Considerations For Selecting Installation Locations
9. SELECTING INSTALLATION LOCATION OF OUTOOR UNIT INSTALLATION LOCATIONS The outdoor unit can be installed in any outside location, on a wall, on a roof or on a ground level. CONSIDERATIONS FOR SELECTING INSTALLATION LOCATIONS Avoid installation location which can lead to excessive distance between outdoor and indoor units to avoid alteration on system cooling and heating performance.
Page 11 SELECTING INSTALLATION LOCATION OF OUTOOR UNIT (Cont.) CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION (Cont.) Select the installation location of outdoor unit which is able to support operating weight of outdoor unit, and not cause vibration. Select the installation location of outdoor unit which is far away from the direct sunlight.
Page 12 SELECTING INSTALLATION LOCATION OF OUTOOR UNIT (Cont.) 9.3 MINIMUM CLEARANCES WHEN SELECTING INSTALLATION LOCATION FOR SINGLE OUTDOOR UNIT INSTALLATION Obstacle at unit front ( air outlet ) Select installation location which allows the minimum clearances shown in the figures for 500 mm free air circulation and easy accessibility for or more...
Page 13 SELECTING INSTALLATION LOCATION OF OUTOOR UNIT (Cont.) 9.4 MINIMUM CLEARANCES WHEN SELECTING INSTALLATION LOCATION FOR SERIAL INSTALLATION OF MORE THAN ONE OUTDOOR UNIT Obstacle at unit front ( air outlet ) Select installation location which allows the 1000 mm minimum clearances shown in the figures for or more free air circulation and easy accessibility for service and maintenance :...
Page 14: Installation Location Check List
10. INSTALLATION LOCATION CHECK LIST (A) INDOOR UNIT - The installation location is close to the outdoor unit - The wall hole (required to pass refrigerant piping, electrical cables and drain line) is properly made as per installation required. - The installation location permit the unit to deliver air to all of the space to be air-conditioned - The installation location is far away from any sunlight - The installation location is far away from any heat sources...
Page 15: Installtion Accessories
11. INSTALLATION ACCESSORIES 11.1 STANDARD INSTALLATION ACCESSORIES SUPPLIED FROM THE FACTORY DESCREPTION SHAPE Battery 1.5 volt size AAA To operate the wireless remote control alkaline type Wireless remote control To operate the air conditioner Plastic holder for remote To mount remote control on the wall Owner manual To illustrate control functions of operation Installation Manual...
Page 16 INSTALLATION ACCESSORIES (Cont.) 11.3 OPTIONAL ACCESSORIES SUPPLIED FROM THE FACTORY AS PER THE REQUIREMENT DESCREPTION SHAPE To mount the indoor unit on the floor Floor support for indoor unit in case of impossibility of mounting the unit on the wall Condensate Drain Pipe Cover To cover drain pipe 11.4 OTHER INSTALLATION ACCESSORIES...
Page 17: Installation Chart
12. INSTALLATION CHART 1) Installing outdoor unit 5) Connecting refrigerant 9) Air purging with piping lines a vacuum pump 2) Drilling hole thru the 6) Connecting condensate 10) Refrigerant leak test wall drain line 7) Connecting electrical 3) Installing indoor unit 11) Opening service valves wiring Outdoor...
Page 18: Indoor Unit Installation
13. INDOOR UNIT INSTALLATION 13.1 PREPARATION STEPS OF INDOOR UNIT BEFORE INSTALLATION a. Put packed unit as shown. b. Lift cardboard cover (item 2) Lift unit with Styrofoam parts from carton Remove plastic strap (item 1) from carton box. base Remove Styrofoam parts, installation accessories and remote control c.
Page 19: Installation Steps
INDOOR UNIT INSTALLATION (Cont.) 13-2 INSTALLATION STEPS OF INDOOR UNIT STEP (1): Fixation of Mounting Bracket on the wall for wall mounting : • Use the template supplied with the indoor unit, Use the four dowels provided. • Fix the mounting bracket on the wall using the two upper holes.
Page 20 INDOOR UNIT INSTALLATION (Cont.) INSTALLATION STEPS OF INDOOR UNIT (Cont.) STEP (4): Cutting sleeve for wall hole Measure the thickness of the wall from the • inside edge to the outside edge and cut PVC pipe at a slight angle 6 mm shorter than the Cut at slight angle thickness of the wall STEP (5): Mounting sleeve for wall hole...
Page 21 INDOOR UNIT INSTALLATION (Cont.) INSTALLATION STEPS OF INDOOR UNIT (Cont.) 13.2.1 CEILING INSTALLATION (A) Preparation Steps Before Installation STEP (1): Remove from return grille, the part of Step (3): Drilling Holes in Ceiling grille fixed tonguing pressing it until Using carton base of indoor unit as a drilling tabs is unhooked.
Page 22 INSTALLATION OF INDOOR UNIT (Cont.) CEILING INSTALLATION (Cont.) (B) Installation Steps Step (4): Attaching The Unit to The Tie Rods Ensure a minimum slope of 5 mm (refrigerant side must be lower) by modifying on the tie rod fixing. Dimensions (mm) MODEL 42VMCT18 1000...
Page 23: Remote Control Installation
14. REMOTE CONTROL INSTALLATION 14-1 HOW TO INSERT BATTERIES: (a) Remove the cover of battery (c) Press the button (at the front of remote compartment at the back of the control) with an object not sharp to operate remote control by pressing the the remote control.
Page 24: Outdoor Unit Installation
15. OUTDOOR UNIT INSTALLATION 15.1 PREPARATION STEPS BEFORE INSTALLATION Put packed unit as shown. b. Lift unit from cardboard. c. Remove service door (item 2) by removing one screw (item 1). Detach the cable clamp by removing one screw. 15.2 WALL INSTALLATION STEPS Wall Support Parts Part Description Right Side...
Page 25: Connecting Refrigerant Piping Lines
16. CONNECTING REFRIGERANT PIPING LINES 16-1 REFRIGERANT CONNECTIONS CHART (1) Pipes Flaring (2) Pipes Connections (3) Air Purging (4) Leak Check (5) Pipes Insulation (6) Opening Valves...
Page 26 CONNECTING REFRIGERANT PIPING LINES (Cont.) POSSIBLE OUTLET LOCATIONS OF REFRIGERANT PIPING LINES FROM INDOOR UNIT a. Wall Installation * b. Ceiling Installation Piping possible outlet locations Piping possible outlet locations • The preferred arrangement is generally under a windowsill on an external wall. This makes it easier to install the interconnecting refrigerant piping lines and electrical connections work to the Piping...
Page 27 CONNECTING REFRIGERANT PIPING LINES (Cont.) 16-2 INSTRUCTIONS OF CONNECTIING REFRIGERANT PIPING LINES Avoid excessive height difference between indoor and outdoor units. Keep the height difference to a strict minimum to avoid alteration on system cooling and heating performance. Avoid excessive length of refrigerant piping lines between indoor and outdoor units.
Page 28 CONNECTING REFRIGERANT PIPING LINES (Cont.) INSTRUCTIONS OF CONNECTIING REFRIGERANT PIPING LINES (Cont.) When making a bend, the installer cuts insulation and slides it away from the bend Copper area. Using a tube bender makes the bend Piping and then the insulation is replaced gluing it Insulation together.
Page 29 CONNECTING REFRIGERANT PIPING LINES (Cont.) 16.3 USE OF REFRIGERANT PIPING LINES The following data refers to the use of refrigerant piping lines of diameters equivalent to that use in units where : L = Maximum length of refrigerant piping lines between outdoor and indoor units. H = Maximum vertical distance between outdoor and indoor units.
Page 30: Refrigerant Charge
CONNECTING REFRIGERANT PIPING LINES (Cont.) 16.4 DIAMETERS OF REFRIGERANT PIPING LINES UP TO 20 METER LENGTH System Gas line Liquid line Model diameter diameter 53VMCT18 1/2” 1/4” 53VMCT24 5/8” 1/4” 16.5 REFRIGERANT CHARGE (1) The outdoor unit is factory supplied with refrigerant charge for use with refrigerant piping lines of length 3 meters and with added 50 grams for air and moisture purge from the system.
Page 31 CONNECTING REFRIGERANT PIPING (Cont.) 16.6 DESCRIPTION OF REFRIGERANT CONNECTIONS OF OUTDOOR UNIT Outdoor Unit Outdoor Unit 38VMCT18 38VMCT24 (1) Gas flare valve. (2) Gas service valve. (3) Gas port to open & close. (4) Cap for gas service valve. (5) Cap for gas port. (6) Liquid flare valve.
Page 32 CONNECTING REFRIGERANT PIPING LINES (Cont.) 16-10 STEPS OF PREPARING REFRIGERANT PIPING LINES BEFORE CONNECTIONS ( IN CASE OF NOT USING THE OPTIONAL FACTORY REFRIGERANT PIPING LINES WITH THE FLARE NUTS ) Pipe Cutter STEP (1): Cutting refrigerant piping lines 90° •...
Page 33 CONNECTING REFRIGERANT PIPING LINES (Cont.) STEPS OF PREPARING REFRIGERANT PIPING LINES BEFORE CONNECTIONS (Cont.) STEP (4): Flaring the Piping (Cont.) 3) Avoid incorrect flaring, which results in damaged or cracked or inclined with uneven thickness surface. Liquid Line STEP (5): Mounting flare nuts on the other ends of refrigerant piping lines •...
Page 34 CONNECTING REFRIGERANT PIPING (Cont.) 16-11 STEPS OF CONNECTING REFRIGERANT PIPING LINES TO INDOOR UNIT Connecting gas and liquid piping lines respectively with gas and liquid half unions of indoor unit. A. Lubricate flare nuts of gas and liquid piping Indoor Unit Lubricate line end and the threads of the gas and liquid half unions of indoor unit with anti –...
Page 35 CONNECTING REFRIGERANT PIPING LINES (Cont.) 16-13 AIR PURGING OF INDOOR UNIT AND REFRIGERANT PIPING LINES 16-13-1 INTRODUCTION • In some countries the law does not permit purging by blowing refrigerant through the lines. If this is the case, please refer to page (35) using the vacuum pump. •...
Page 36 CONNECTING REFRIGERANT PIPING LINES (Cont.) AIR PURGING OF INDOOR UNIT AND REFRIGERANT PIPING LINES USING REFRIGERANT CONTAINED IN OUTDOOR UNIT (Cont.) Air purging procedure (1) Recheck the refrigerant piping connections. (2) Open the valve stem of the 2-way liquid valve counterclockwise approximately 90°, wait 10 seconds, and then set it to closed position.
Page 37 CONNECTING REFRIGERANT PIPING LINES (Cont.) AIR PURGING OF INDOOR UNIT AND REFRIGERANT PIPING LINES (Cont.) 16-13-3 AIR PURGING OF INDOOR UNIT AND REFRIGERANT PIPING LINES USING VACUUM PUMP NOTES NEVER use the system compressor as a vacuum pump. For the vacuum pump, check oil is filled up to the specified line of the oil gauge. Air purging procedure using vacuum pump (1) Connect the vacuum pump to the charge set’s centre hose.
Page 38 CONNECTING REFRIGERANT PIPING LINES (Cont.) 16-14 PUMPING DOWN (RE-INSTALLATION) • INTRODUCTION Pump down means collecting all the refrigerant in the system back into the outdoor unit. Pump down must be actuated before disconnection of pipes, to avoid loss of refrigerant gas.
Page 39: Refrigerant Leak Check
CONNECTING REFRIGERANT PIPING LINES (Cont.) 16-15 REFRIGERANT LEAK CHECK After connecting the refrigerant piping lines with both outdoor and indoor units check the joints for refrigerant leakage by using one of the following methods : (1) Soapy water method Apply a soapy water or a liquid detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping.
Page 40: Connecting Condensate Drain Line
CONNECTING CONDENSATE DRAIN LINE 17-1 SIZE OF CONDENSATE DRAIN LINE The condensate drain line (not supplied) for indoor unit must be made of PVC piping with an inside diameter of 5/8” (16 mm) and have suitable length for the chosen installation site. 17-2 POSSIBLE OUTLET LOCATIONS OF CONDENSATE DRAIN LINE FROM THE INDOOR UNIT a.
Page 41 CONNECTING CONDENSATE DRAIN LINE (Cont.) 17-3 INSTRUCTIONS OF CONNECTING CONDENSATE DRAIN LINE Connection Instructions Wall Installation Ceiling Installation a. The drain hose must be gradually inclined downwards to the outside to ensure flow of Condensate water to outside. b. The condensate water must be continuously removed to avoid water dripping from the unit.
Page 42: Connecting Electrical Wiring
18. CONNECTING ELECTRICAL WIRING 18-1 ELECTRICAL WIRING BETWEEN ELECTRICAL POWER SUPPLY AND CIRCUIT BREAKER OF AIR CONDITIONER WARNING All electrical connections between electrical power supply and circuit breaker of air conditioner are the responsibility of the customer and must be done by a qualified electrical technician according to national electrical wiring regulations to avoid fire due to short-circuiting.
Page 43 CONNECTING ELECTRICAL WIRING (Cont.) 18-2 ELECTRICAL WIRING BETWEEN INDOOR UNIT, OUTDOOR UNIT AND CIRCUIT BREAKER OF AIR CONDITIONER WARNING All electrical works including selection, installation of circuit breaker of air conditioner and all electrical connections between the outdoor unit, indoor unit and circuit breaker are the responsibility of the qualified installer and must be done according to national electrical wiring regulations to avoid fire due to short circuiting.
Page 44: Electrical Data
CONNECTING ELECTRICAL WIRING (Cont.) 18-3 ELECTRICAL DATA Electrical Consumption Nominal Split Starting Cooling System Circuit Heating System Current Power Breaker 35 °C 46 °C 52 °C Model (Note 1) **** Supply Heat Pump V/Ph/Hz Watt Watt Watt Watt 220-240 1872 10.0 2220 10.8...
Page 45 CONNECTING ELECTRICAL WIRING (Cont.) 18-4 CONNECTING ELECTRICAL WIRING TO OUTDOOR UNIT connect electrical cables to the terminal block of outdoor unit as per the wiring diagram and caution – field wiring. WARNING (1) Avoid slack connections of electrical cables with the terminal block. (2) Avoid miswiring of electrical cables connections with the terminal block.
Page 46 CONNECTING ELECTRICAL WIRING (Cont.) 18-6 CONNECTING ELECTRICAL WIRING FOR COOL ONLY SYSTEM Indoor LEGEND Unit Earth Live power supply. Main Neutral power supply. Switch Circuit Live connection indoor/outdoor unit. Breaker Neutral connection indoor/outdoor unit. Compressor control. Sizes of electrical wires Outdoor Unit 4 mm...
Page 47: Finishing Installation
19. FINISHING INSTALLATION 19-1 FINISHING STEPS FOR INSTALLATION A. Tie together refrigerant piping, lines, electrical connection cords and drain line. Form the refrigerant piping in the required direction and bind the drain hose and electrical connection cords together with vinyl tape. •...
Page 48: Test Running
20. TEST RUNNING 20.1 Note: Operate testing running after completion of connecting refrigerant piping lines, drain line and electrical wiring and refrigerant leak test. Operate test running after mounting air filters, and front panel of indoor unit. 20.2 STEPS FOR COOLING TEST RUNNING Outdoor Unit 38VMCT18 Outdoor Unit 38VMCT24 Details...
Page 49 TEST RUNNING (Cont.) 20.3 STEPS FOR HEATING TEST RUNNING a. Move circuit breaker to ON position. b. Operate the system for heating operation at high fan speed by using wireless remote control. c. After system operation becomes stabilized: - Measure high pressure to check correct refrigerant charge. (See figure) - Measure total Amps consumed by the system.
Page 50: Supply Air Control Of Indoor Unit
21. SUPPLY AIR CONTROL OF INDOOR UNIT • IMPORTANT: Air is supplied into the room through the supply grilles located on the top of the cabinet of the indoor unit. Air from the room is drawn into the indoor unit through the return grille and filters at the bottom of the indoor unit.
Page 51: After Installation Check List
22. AFTER INSTALLATION CHECK LIST 22.1 INDOOR UNIT a. The installation location is adequate. b. The unit is solidly mounted and leveled. c. The air filters are installed correctly. d. The vertical deflectors of supply air are manually adjusted for correct air diffusion. 22.2 OUTDOOR UNIT a.
Page 52: Finishing Installation
AFTER INSTALLATION CHECK LIST (Cont.) 22.6 FINISHING INSTALLATION a. The refrigerant piping lines, electrical cables and drain hose are lumped together. The drain hose is at the bottom of lump. b. The wall passage hole is properly sealed. 22.7 TESTING RUNNING a.
Page 53: Self Diagnostic Function For Malfunctions Detection
23- SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION EXPLAINATION OF SELF-DIAGNOSTIC FUNCTION Self-diagnostic function is the key for success of air conditioner operation. The printed circuit boards existing inside the indoor unit are equipped with self-diagnostic function to detect malfunction and automatically stops the operation at the air conditioner. Once a malfunction is detected, the diagnostic control section will force the system mode to OFF for 3 minutes.
Page 54 www.miraco.com.eg...

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