Table of Contents
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Ceiling Concealed Ducted Split Systems
53KDMT12N-718
53KDMT18N-718
53KDMT24N-718
53KDMT30N-718
53
53KDMT36N-718T
36
Carrier is committed for continuous improvement of Carrier 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.
03504574
ig
Cool Only
53KDHT42N-518T
53KDHT48N-518T
8
53KDHT60N-518T
I N S T A L L A T I O N M A N U A L
220-240V ~ 50Hz 1Ph
380-420V ~ 50Hz 3Ph
ciency
Enviromental
Management System
ISO 14001 : 2004
Certificate No : 12 104 30334 TMS
Miraco
Miraco
MISR REFRIGERATION & AIR CONDITIONING MFG. CO.
een
53KDHT72N-518T
Safety
Management System
BS OHSAS 18001 : 2007
Rev. (0) - 2014
Rev. (0) - 2016
Certificate No : 12 116 30334 TMS
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Table of Contents
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Summary of Contents for Carrier ClassiCool 53KDMT12N-718
- Page 1 I N S T A L L A T I O N M A N U A L Carrier is committed for continuous improvement of Carrier products according to national and international standards to ensure the highest quality and reliability standards, and to meet market regulations and requirements.
- Page 2 Features of Ducted Split Systems - Medium Static Pressure Sizes 12K - 18K - 24K - 30K - 36K Easy and Flexible Installation Due to compact dimensions, low height and low weight, the installation of ducted indoor unit - medium static pressure on the ceiling is faster and extremely easy.
- Page 3 Features of Ducted Split Systems - High Static Pressure Sizes 42K - 48K - 60K - 72K Easy and Flexible Installation Due to compact dimensions, low height and low weight, the installation of ducted indoor unit - High static pressure on the ceiling is faster and extremely easy. Min.
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Page 4: Table Of Contents
TABLE OF CONTENTS PAGE NO. 1. General Notes To Installer 2. Precautions Before Installation 3. Ducted Split System Description 4. Unit Models & Identification 5. Operating Limits 6. Dimensions And Weights of Ducted Indoor Units 7. Dimensions And Weights of Outdoor Unit 8. -
Page 5: General Notes To Installer
1. GENERAL NOTES TO INSTALLER Ducted split 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 6: Precautions Before Installation
7- Product normal sound ( refrigerant – moving parts – plastic parts ) 8- 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 7: Ducted Split System Description
3. DUCTED SPLIT SYSTEM DESCRIPTION 3.1 Ducted Split System – Medium Static Pressure 12K – 18K – 24K – 30K Ducted Indoor Unit Medium Static Pressure Outdoor Unit Side Discharge 1: Supply Air From Indoor Unit 2: Return Air To Indoor Unit 3: Air Filter (s) 4: Electrical Box 5: Condensate Drain Hose... - Page 8 DUCTED SPLIT SYSTEM DESCRIPTION 3.2 Ducted Split System – Medium Static Pressure 36K Indoor Unit Medium Static Pressure Outdoor Unit Top Discharge 1: Supply Air From Indoor Unit 2: Return Air To Indoor Unit 3: Air Filter (s) 4: Electrical Box 5: Condensate Drain Hose 6: Inter-connecting refrigerant piping lines and electrical cables between outdoor and indoor units.
- Page 9 DUCTED SPLIT SYSTEM DESCRIPTION 3.3 Ducted Split System – High Static Pressure 42K – 48K – 60K Ducted Indoor Unit High Static Pressure Outdoor Unit Top Discharge 1 : Supply Air To Indoor Unit 2 : Return Air From Indoor Unit 3 : Air filter (s) 4 : Electrical Box 5 : Condensate Drain Hose...
- Page 10 DUCTED SPLIT SYSTEM DESCRIPTION 3.4 Ducted Split System – High Static Pressure 72K Indoor Unit High Static Pressure Top Discharge Outdoor Unit 1 : Air filter (s) 2 : Indoor Coil 3 : Return Air To Indoor Unit 4 : Supply Air From Indoor Unit 5 : Electrical Box 6 : Inter-connecting refrigerant piping lines and electrical cables between outdoor and indoor units.
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Page 11: Unit Models & Identification
= System Size = R410A Green Refrigerant = Power Supply 220-240V/1Ph/50Hz = Power Supply 380-420V/3Ph/50Hz = Wired Room Controller = Manufactured by Miraco – Carrier = Outdoor Unit – Top Discharge 5. OPERATING LIMITS * COOLING Dry Bulb Wet Bulb Difference Temp. -
Page 12: Dimensions And Weights Of Ducted Indoor Units
6. DIMENSIONS AND WEIGHTS OF DUCTED INDOOR UNITS 6.1 Ducted Indoor Units - Medium Static Pressure Sizes 12K, 18K, 24K, 30K, 36K - The refrigerant piping connections and control box are located on the right hand side of the indoor unit when facing supply air side of the unit. - The indoor unit should be installed for horizontal supply air flow. - Page 13 DIMENSIONS AND WEIGHTS OF DUCTED INDOOR UNITS 6.2 Ducted Indoor Units - High Static Pressure Sizes 42K, 48K, 60K - The refrigerant piping connections and control box are located on the right hand side of the indoor unit when facing supply air side of the unit. - The indoor unit should be installed for horizontal supply air flow.
- Page 14 DIMENSIONS AND WEIGHTS OF DUCTED INDOOR UNITS 6.3 Ducted Indoor Unit - High Static Pressure Size 72K - The refrigerant piping connections and electrical control box are located on the left hand side of indoor unit when facing supply air flow of indoor unit. - The indoor unit should be installed horizontally for horizontal discharge only.
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Page 15: Dimensions And Weights Of Outdoor Unit
7. DIMENSIONS AND WEIGHTS OF OUTDOOR UNIT 7.1 Side Discharge Outdoor Units Sizes 12K, 18K, 24K, 30K Unit Dimensions Weight (mm) Model Width Height Depth 38KDMT12N-718 Mounting Dimensions Unit Dimensions Weight (mm) Model Width Height Depth 48.5 38KDMT18N-718 Mounting Dimensions Unit Dimensions Weight (mm) - Page 16 DIMENSIONS AND WEIGHTS OF OUTDOOR UNIT 7.2 Top Discharge Outdoor units Sizes 36K & 42K & 48K & 60K & 72K Mounting Unit Top View Dimensions Dimensions Weight (mm) (mm) Model 84.5 38KDMT36N-718T 38KDHT42N-518T 38KDHT48N-518T 38KDHT60N-518T 38KDHT72N-518T Top Air Discharge Air Inlets Refrigerant &...
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Page 17: Selecting Installation Location Of Indoor Unit
8. SELECTING INSTALLATION LOCATION OF INDOOR UNIT 8.1 CONSIDERATIONS OF SELECTING INSTALLATION LOCATION 300 mm or more 200 mm or more 600mmX600mm checking orifice Select installation location which allows minimum clearances for free air circulation For Ducted Indoor Unit - Medium Static Pressure and easy accessibility for easy service and Maintenance room age maintenance. - Page 18 9. SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT INSTALLATION LOCATIONS The side discharge 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...
- Page 19 SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION Select installation location which is close to the indoor unit. 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.
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Page 20: Selecting Installation Location Of Side Discharge Outdoor Unit
SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT 9.3 Minimum Clearances When Selecting Installation Location for Single Outdoor Unit Installation Minimum Clearances When Selecting Installation Location for Serial Installation of More Than One Outdoor Unit Select installation location which allows the minimum clearances shown in the figures for free air circulation and easy accessibility for service and maintenance : The front of outdoor unit ( air outlet ) should be away from any obstacle by 500 mm or more to ensure free air circulation. - Page 21 SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT Minimum Clearances When Selecting Installation Location for Single Outdoor Unit Installation Obstacle at unit front ( air outlet ) Outdoor Unit 50 cm or more Obstacle No obstacle at back or top or right or left Obstacle at unit front ( air outlet ) &...
- Page 22 SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT Minimum Clearances When Selecting Installation Location for Single Outdoor Unit Installation Obstacle at unit back ( air inlet ) Obstacle 16 cm or more Outdoor Unit No obstacle at front or top or right or left Obstacle at unit back ( air inlet ) &...
- Page 23 SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT Minimum Clearances When Selecting Installation Location for Serial Installation of More Than One Outdoor Unit Obstacle at unit front ( air outlet ) Outdoor Outdoor Outdoor Outdoor Outdoor Outdoor Unit Unit Unit Unit Unit...
- Page 24 SELECTING INSTALLATION LOCATION OF SIDE DISCHARGE - OUTDOOR UNIT Minimum Clearances When Selecting Installation Location for Serial Installation of More Than One Outdoor Unit Obstacle at unit back ( air inlet ) & Obstacle at right and left sides Obstacle Obstacle Obstacle 16 cm...
- Page 25 10. SELECTING INSTALLATION LOCATION OF TOP DISCHARGE - OUTDOOR UNIT 10.1 INSTALLATION LOCATIONS The outdoor unit can be installed in any outside location on a ground level or on a roof. 10.2 CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION Select installation location which is close to the indoor unit. Select installation location which is close to the electrical power supply.
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Page 26: Selecting Installation Location Of Top Discharge Outdoor Unit
SELECTING INSTALLATION LOCATION OF TOP DISCHARGE - OUTDOOR UNIT CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION Select installation location which allows the minimum clearances shown in the figures for free air circulation and easy accessibility for service and maintenance : The top of outdoor unit ( air outlet ) should be away from any obstacle by 150 cm or more to ensure free air circulation. -
Page 27: Installation Location Check List
11. 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 on the unit right back - The installation location permit the unit to deliver air to all of the space to be air-conditioned - The installation location avoid obstructions, which affect motion of supply and/or return air to the unit... -
Page 28: Installation Accessories
12. INSTALLATION ACCESSORIES 12.1 STANDARD INSTALLATION ACCESSORIES SUPPLIED FROM THE FACTORY To operate the air conditioner Wired Room Controller used with indoor unit sizes With Accessories 12K – 18K – 24K – 30K – 36K – 42K – 48K – 60K Wired Room Controller To operate the air conditioner With Accessories... -
Page 29: Installation Chart
13. INSTALLATION CHART 13.1 Installation chart of Ducted Split System – Medium Static Pressure 5) Connecting refrigerant 9) Air purging with 1) Installing outdoor unit piping lines a vacuum pump 2) Drilling hole thru the 6) Connecting condensate 10) Refrigerant leak test wall drain line 7) Connecting electrical... - Page 30 INSTALLATION CHART 13.2 Installation chart of Ducted Split System – High Static Pressure 5) Connecting refrigerant 9) Air purging with 1) Installing outdoor unit piping lines a vacuum pump 2) Drilling hole thru the 6) Connecting condensate 10) Refrigerant leak test wall drain line 7) Connecting electrical...
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Page 31: Indoor Unit Installation
14. INDOOR UNIT INSTALLATION The indoor unit is factory standard supplied with right hand refrigerant and electrical connections 14.1 Flexible Locations of Return Air Ducted indoor units – medium static pressure sizes 12K – 18K – 24K – 30K – 36K are supplied from the factory with back return air ( Factory Standard ) Ducted indoor units –... - Page 32 INDOOR UNIT INSTALLATION 14.2 PREPARATION STEPS STEP (1): MAKING WALL HOLE Wall PRECAUTIONS Before making a hole, check carefully the following points : No studs or pipes are directly run behind the spot to be cut. No electrical wiring or conduits are located. - Drill a hole of 80 mm to pass the refrigerant lines, drain hose and electrical cables.
- Page 33 INDOOR UNIT INSTALLATION Step (4): Installation of Hanging Screw Bolts Installing Ø10 hanging screw bolts. (4 bolts) The handling to the ceiling varies from the constructions, consult the construction personnel's for the specific procedures. • The size of the ceiling to be handled ---- Do keep the ceiling flat. Consolidate the roof beam for possible vibration.
- Page 34 INDOOR UNIT INSTALLATION Step (6): Diagrammatic sketch for Installing the ducts with indoor unit Recommended duct connection (1) Duct design dimensions to be connected with indoor unit is determined based on the required air flow and static pressure. (2) Whatever type of duct is used, it should not be made of materials which are flammable, or which give off toxic gases in the event of a fire.
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Page 35: Installation Of Wired Room Controller
15. INSTALLATION OF WIRED ROOM CONTROLLER 15.1 SAFETY PRECAUTION Read the safety precautions carefully before installing the wired controller. Stated below are important safety issues that must be obeyed. Conform there is no abnormal phenomena during test operation after complete. Meaning of marks: WARNING Means improper handling may lead to personal death or severe injury. - Page 36 INSTALLATION OF WIRED ROOM CONTROLLER 15.3 Installation Diagram Fig (1) Main Board of Connection cable of wired Indoor Unit controller (accessory) Wired Controller Wires Group From Wires Group From Wired Controller Main Board 1. Connect the female joint of wires group from the main board with the male joint of ( See Fig.
- Page 37 INSTALLATION OF WIRED ROOM CONTROLLER 15.4 WIRING PRINCIPLE SKETCH Wiring diagram of wire controller connected with indoor unit Indoor unit electric cabinet Main board Shielded 4-core cable Insert of the electric main board CN40 The rear side of wire controller 15.5 WIRED CONTROLLER SPECIFICATIONS Input Voltage DC 12V...
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Page 38: Installation Of Display And Receiver Panel
16. INSTALLATION OF DISPLAY AND RECEIVER PANEL 16.1 DESCRIPTION OF DISPLAY AND RECEIVER PANEL MANUAL Button * This button is used to operate the unit temporarily in case you misplace the remote control or its batteries are exhausted. * Once you push temporary button, the air conditioner will run in such order : Auto, Forced cool, off and back to Auto AUTO The OPERATION lamp is lit, and the air conditioner will run under AUTO mode. - Page 39 INSTALLATION OF DISPLAY AND RECEIVER PANEL 16.2 INSTALLATION OF DISPLAY AND RECEIVER PANEL IN CASE OF NOT USING OPTIONAL WIRELESS REMOTE CONTROL - For Ducted Medium Static Pressure Indoor Units - The display panel mounting on the indoor unit. - The display panel shows error codes. - For Ducted High Static Pressure Indoor Units Put the display board outside of Put the display board in...
- Page 40 INSTALLATION OF DISPLAY AND RECEIVER PANEL 16.3 INSTALLATION OF DISPLAY AND RECEIVER PANEL IN CASE OF USING OPTIONAL WIRELESS REMOTE CONTROL Ceiling Display panel - The display panel receive signal from wireless remote control. - The display panel shows error codes. How to install the display in ceiling :- 1.
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Page 41: Outdoor Unit Installation
17. OUTDOOR UNIT INSTALLATION 17.1 PREPARATION STEPS BEFORE INSTALLATION a. 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. 17.2 WALL INSTALLATION STEPS FOR SIDE DISCHARGE OUTDOOR UNIT Fix wall support into the wall Put outdoor unit on the floor support... - Page 42 OUTDOOR UNIT INSTALLATION 17.3 The outdoor unit top discharge can be installed in any outside location on a ground level or on a roof 17.3.1 GROUND INSTALLATION The outdoor unit may be installed at ground level on a solid base that will not shift or settle, causing strain on the refrigerant lines and possible leaks.
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Page 43: Connecting Refrigerant Piping Lines
18. CONNECTING REFRIGERANT PIPING LINES 18-1 R410A – Quick Reference Guide (1) R410A refrigerant is a substance that is not depleting the zone layer. (2) R410A refrigerant operates at 50% - 70% higher pressure than R22. (3) Be sure that installation, service and maintenance equipment are designed to operate with R410A refrigerant. - Page 44 CONNECTING REFRIGERANT PIPING LINES 18-2 REFRIGERANT CONNECTIONS CHART FOR AIR CONDITIONER EQUIPPED WITH SIDE DISCHARGE OUTDOOR UNITS TOP DISCHARGE OUTDOOR UNITS (1) Pipes Flaring (2) Pipes Connections (3) Air Purging (4) Leak Check (5) Pipes Insulation (6) Opening Valves...
- Page 45 CONNECTING REFRIGERANT PIPING LINES 18-3 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 performance. Avoid excessive length of refrigerant piping lines between outdoor and indoor units.
- Page 46 CONNECTING REFRIGERANT PIPING LINES INSTRUCTIONS OF CONNECTIING REFRIGERANT PIPING LINES 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 47 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDMT12N-718 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 48 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDMT18N-718 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 49 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDMT24N-718 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 50 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDMT30N-718 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 51 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDMT36N-718T 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 52 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDHT42N-518T 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 53 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDHT48N-518T 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 54 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDHT60N-518T 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 55 CONNECTING REFRIGERANT PIPING LINES - System Model 53KDHT72N-518T 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 56 CONNECTING REFRIGERANT PIPING LINES 18.4 REFRIGERANT CHARGE (1) The outdoor unit is factory supplied with refrigerant charge for use with refrigerant piping lines of length 5 meters. (2) For refrigerant piping lines of length more than 5 meters, add in the field extra amount of refrigerant charge as per below table : System Extra Amount of Refrigerant / Meter...
- Page 57 CONNECTING REFRIGERANT PIPING 18.5 DESCRIPTION OF REFRIGERANT CONNECTIONS OF OUTDOOR UNIT Outdoor Unit (1) Suction flare valve. (2) Suction service valve. (3) Suction port to open & close. (4) Cap for suction service valve. (5) Cap for Suction port. (6) Liquid flare valve. (7) Liquid port to open &...
- Page 58 CONNECTING REFRIGERANT PIPING LINES 18-9 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 Remove protective caps from copper pipe ends. 90°...
- Page 59 CONNECTING REFRIGERANT PIPING LINES STEPS OF PREPARING REFRIGERANT PIPING LINES BEFORE CONNECTIONS STEP (4): Removing protective plastic nuts Suction line of suction and liquid connections In indoor unit of indoor units. NOTES Liquid line Do not remove protective plastic nuts from the In indoor unit indoor unit until refrigerant piping lines are ready for connections.
- Page 60 CONNECTING REFRIGERANT PIPING 18-10 STEPS OF CONNECTING REFRIGERANT PIPING LINES TO INDOOR UNIT Connecting suction and liquid piping lines respectively with suction and liquid half unions of indoor unit. Indoor Unit A. Lubricate flare nuts of suction and liquid Lubricate piping line end and the threads of the suction and liquid half unions of indoor unit with anti –...
- Page 61 CONNECTING REFRIGERANT PIPING LINES 18.12 CONNECTING REFRIGERANT PIPING TO OUTDOOR UNIT TOP DISCHARGE 18.12.1 Description of Refrigerant Connections of Outdoor Unit Top Discharge Outdoor Unit Suction valve Liquid valve Refrigerant Connections Details Stop Valve Operation Introduction Service Port and nut Service Port and nut Liquid Valve...
- Page 62 CONNECTING REFRIGERANT PIPING LINES CONNECTING REFRIGERANT PIPING TO OUTDOOR UNIT TOP DISCHARGE 18.12.2 Steps of Refrigerant Piping Lines Preparation Before Connections STEP (1): Removing protective plugs of suction and liquid valves of outdoor unit. NOTES Do not remove protective plugs from the outdoor unit until refrigerant piping lines are ready for connection to outdoor unit valves.
- Page 63 CONNECTING REFRIGERANT PIPING CONNECTING REFRIGERANT PIPING TO OUTDOOR UNIT TOP DISCHARGE 18.12.4 Steps of Connecting Refrigerant Piping Lines To Outdoor Unit Connecting the other ends of suction and liquid piping lines respectively with suction and liquid valves of outdoor unit 1.
- Page 64 CONNECTING REFRIGERANT PIPING LINES 18.13 AIR PURGING OF INDOOR UNIT AND REFRIGERANT PIPING LINES USING VACUUM PUMP NOTES NEVER use the unit refrigerant to purge the connecting pipes and indoor unit. 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.
- Page 65 CONNECTING REFRIGERANT PIPING LINES 18.14 PUMPING DOWN (RE-INSTALLATION) INTRODUCTION Pumping down means collecting all the refrigerant in the system back into the outdoor unit. Pumping down must be actuated before disconnection of pipes, to avoid loss of refrigerant suction. Pumping down is used when the system is moved to another installation location or when the system is repaired.
- Page 66 CONNECTING REFRIGERANT PIPING LINES 18.15 REFRIGERANT LEAK CHECK After connecting the refrigerant piping lines with both outdoor and indoor units check the joints for refrigerant leak by using one of the following methods :- (1) Soapy water method Check-point of indoor unit Apply soapy water or a liquid detergent on, the indoor unit connections or outdoor unit connections by a soft brush to check for refrigerant leakage of the connecting points of the piping.
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Page 67: Installation Of Fresh Air Duct For Ducted Indoor Unit - Medium Static Pressure
19. INSTALLATION OF FRESH AIR INTAKE DUCT FOR DUCTED INDOOR UNIT – MEDIUM STATIC PRESSURE The ducted indoor unit - medium static pressure is fitted with a built-in fresh air intake knock out panel ( from both sides ) that can be utilized to introduce fresh air into the room. - Page 68 20. INSTALLATION OF DRAIN LINE OF INDOOR UNIT 20-1 Installation of drain line of ducted indoor unit without drain pump 20-1-1 Instructions : You can use a polyethylene tube as the drain pipe (out-dia.29-31mm, in-dia.25mm). The drain pipe is field supplied. To prevent water from flowing backwards into the air conditioner while the air conditioner stops, the drain pipe must be sloped down toward outdoor (outlet-side) at a degree of over 1/ 50.
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Page 69: Installation Drain Line Of Indoor Unit
INSTALLATION OF DRAIN LINE OF INDOOR UNIT 20-2 Installation of drain line of ducted indoor unit with Optional drain pump 20-2-1 Instructions : You can use a polyethylene tube as the drain pipe (out-dia.29-31mm, in-dia.25mm). The drain pipe is field supplied. To prevent water from flowing backwards into the air conditioner while the air conditioner stops, the drain pipe must be sloped down toward outdoor (outlet-side) at a degree of over 1/ 50. -
Page 70: Connecting Electrical Wiring
21. CONNECTING ELECTRICAL WIRING 21-1 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 71 CONNECTING ELECTRICAL WIRING 21-2 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 72 CONNECTING ELECTRICAL WIRING 21-3 ELECTRICAL DATA Electrical Consumption Split System Starting System Cooling Circuit Current Power Breaker 35 °C 43 °C 46 °C 52 °C (Note 1) Supply Model **** Cool Only V/Ph/Hz Watt Watt Watt Watt 53KDMT12N-718 220-240 / 1 / 50 1105 1235 1285...
- Page 73 CONNECTING ELECTRICAL WIRING 21-4 ELECTRICAL CONNECTING TO OUTDOOR UNIT 21.4.1 Description of Electrical Connections of Side Discharge Outdoor Unit 1. Remove the screw fixing service door. And remove from unit. 2. Connect power cable to electrical box of outdoor unit as per caution - field electrical wiring.
- Page 74 CONNECTING ELECTRICAL WIRING Ducted Split Systems – Medium Static Pressure 21-5 Cool Only – 220-240V / 1 Ph / 50Hz 53KDMT12N-718 53KDMT18N-718 53KDMT24N-718 Caution – Field Electrical Wiring Indoor Unit Indoor Units 42KDMT12N-718 42KDMT18N-718 42KDMT24N-718 Use 4-core cable 4 x 1 mm Power supply: Single-Phase 220~240V / 1Ph / 50Hz Use 3-core cable 3 x 4 mm...
- Page 75 CONNECTING ELECTRICAL WIRING Ducted Split Systems – Medium Static Pressure 21-6 Cool Only – 220-240V / 1 Ph / 50Hz 53KDMT30N-718 53KDMT36N-718T Caution – Field Electrical Wiring Indoor Unit Indoor Units 42KDMT30N-718 42KDMT36N-718T Power supply: Single-Phase 220~240V / 1Ph / 50Hz Use 3-core cable 3 x 1 mm Use 3-core cable 3 x 0.2 mm Power supply:...
- Page 76 CONNECTING ELECTRICAL WIRING Ducted Split Systems – High Static Pressure 21-7 Cool Only – 380-415V / 3 Ph / 50Hz 53KDHT42N-518T 53KDHT48N-518T 53KDHT60N-518T Caution – Field Electrical Wiring Indoor Units Indoor Unit 42KDHT42N-718T 42KDHT48N-718T 42KDHT60N-718T Power supply: Single-Phase 220~240V / 1Ph / 50Hz Use 3-core cable 3 x 1 mm Use 3-core cable 3 x 0.2 mm Power supply:...
- Page 77 CONNECTING ELECTRICAL WIRING Ducted Split Systems – High Static Pressure 21-8 Cool Only – 380-415V / 3 Ph / 50Hz 53KDHT72N-518T Caution – Field Electrical Wiring Indoor Unit Indoor Unit 42KDHT72N-718T Power supply: Single-Phase 220~240V / 1Ph / 50Hz Use 3-core cable 3 x 1 mm Use 3-core cable 3 x 1 mm Power supply: Three-Phase 380~415V / 3Ph / 50Hz...
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Page 78: Setting Of Switches
22. SETTING OF SWITCHES Switch ENC1 : For Setting Cooling Capacity of Indoor Unit Switch ENC1 of the PCB of indoor unit is factory used to set the cooling capacity of indoor unit as per the unit model Indoor unit models : Indoor unit model : 12K –... - Page 79 SETTING OF SWITCHES (Cont.) Switch ENC2 : for Setting Static Pressure Range of Indoor Unit Switch ENC2 of the PCB of indoor unit is factory used to set the Setting Static Pressure Range of indoor unit as per the unit model. Switch ECN2 : can be use in the field to adjust static pressure as per project requirement (Static pressure / Air flow).
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Page 80: Finishing Installation
23. FINISHING INSTALLATION FINISHING STEPS OF INSTALLATION (1) Tie together refrigerant piping, condensate drain hose, electrical cables. Form the refrigerant piping in the required direction and bind the condensate drain hose, electrical cables together with vinyl tape. The condensate drain hose should be always at the bottom of lump to assure smooth drainage. The lump must be of circular shape. -
Page 81: Test Running
24. TEST RUNNING 24.1 NOTES 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. 24.2 STEPS FOR COOLING TEST RUNNING a. -
Page 82: After Installation Check List
25. AFTER INSTALLATION CHECK LIST 25.1 INDOOR UNIT a. The selection of installation location is adequate. b. The air filters are installed correctly. c. The duct is installed securely. 25.2 OUTDOOR UNIT a. The selection of installation location is adequate. b. - Page 83 AFTER INSTALLATION CHECK LIST 25.6 FINISHING INSTALLATION a. The refrigerant piping lines, electrical cables and condensate drain hose are lumped together. The drain hose is at the bottom of the lump. b. The wall passage hole is properly sealed. 25.7 TESTING RUNNING a.
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Page 84: Self Diagnostic Function For Malfunctions Detection
26. SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION The electronic printed circuit board in the indoor unit is equipped with smart self diagnostic function which automatically stops the operation of the air conditioner in case of a malfunction. When the system is on and in a malfunction, Error Code is shown on the wired controller display to refer to malfunction reason for easy fast service and maintenance. -
Page 85: Self Diagnostic Function For Malfunctions Detection
SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION The electronic printed circuit board in the indoor unit is equipped with smart self diagnostic function which automatically stops the operation of the air conditioner in case of a malfunction. When the system is on and in a malfunction, Error Code is shown on the display & receiver panel to refer to malfunction reason for easy fast service and maintenance. - Page 86 SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION The electronic printed circuit board in the outdoor unit is equipped with smart self diagnostic. When the system is on and in a malfunction, Leds Status of Printed Circuit Board will refer to malfunction reason for easy fast service and maintenance. Leds Status of Printed Circuit Board ( PCB ) of Side Discharge Outdoor Unit Model 38KDMT12N-718 Malfunction Reason...
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