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14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL

3. Service Space

The indoor unit should be installed in a location that meets the following requirements:
INSTALLATION NOTES: .

1. When up hand discharge , how to trap or plug all drains is see the left Figure.

2. When right hand discharge , how to trap or plug all drains is see the top Figure.

3. The seal-plugs are supplied as accessories , and be screwed tightly only with hand.

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Summary of Contents for CTV14CN018A

Page 1: ...Technical Manual R410A 60Hz 14 SEER Top Discharge Heat Pump Outdoor 1 ...

Page 2: ...ield Wiring 15 Part 3 Outdoor Unit 16 1 Dimension 17 2 Service Space 18 3 Wiring Diagrams 19 4 Electric Characteristics 20 5 Operation Limits 21 6 Sound Levels 22 7 Refrigerate diagram 23 Part 4 Installation 24 1 Precaution on Installation 25 2 Vacuum Dry and Leakage Checking 26 3 Additional Refrigerant Charge 28 4 Insulation Work 29 5 Test Operation 31 Part 5 Unit maintenance 32 1 Fault indicator...

Page 3: ... 60Hz CTA14C042A 19 2 3 45 3 4 22 208 230V 1Ph 60Hz CTA14C046A 22 53 1 8 24 1 2 208 230V 1Ph 60Hz CTA14C060A 22 53 1 8 24 1 2 208 230V 1Ph 60Hz 1 2 Outdoor Units Model name Dimension W H D inch Power supply SEER 14 Cooling Only Heat Pump CTV14HN018A 21 5 6 25 21 5 6 208 230V 1Ph 60Hz CTV14HN024A 21 5 6 25 21 5 6 208 230V 1Ph 60Hz CTV14HN030A 21 5 6 25 21 5 6 208 230V 1Ph 60Hz CTV14HN036A 29 1 8 25...

Page 4: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 2 External Appearance 2 1 Indoor unit 2 2 Outdoor unit Note Standard outdoor unit is using plastic grill Metal grill can be customized 4 ...

Page 5: ...mperature range Cooling 64 F 109 F Heating 20 F 109 F Continuous Cooling Transformation Inner grooved tube has high thermometric conductivity 4 3 Reliability features Painted galvanized steel cabinet Well known brand fixed compressor reliable quality Condenser coils constructed with copper tubing and enhanced aluminum fins 3 speed direct drive motors provide selections of air flow to meet desired ...

Page 6: ...R AIR HANDLER SYSTEM TECHNICAL MANUAL Part 2 Indoor Unit 1 Features 7 2 Dimension 9 3 Service Space 10 4 Wiring Diagrams 11 5 Electric Characteristics 13 6 The Specification of Wiring 14 7 Field Wiring 15 6 ...

Page 7: ...ced aluminum fins 2 Direct drive motors 3 speed provide selections of air flow to meet desired applications 3 φ10 large fan blade that has powerful wind speed and the motor is covered with insulation material which can ensure that the motor runs in a safe state 4 Use TXV as throttle device 14 SEER air handler 7 ...

Page 8: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 5 Detachable air filter for cleaning or renewal Versatile 4 way convertible design for vertical up airflow horizontal right airflow 8 ...

Page 9: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 2 Dimension 9 ...

Page 10: ...ion that meets the following requirements INSTALLATION NOTES 1 When up hand discharge how to trap or plug all drains is see the left Figure 2 When right hand discharge how to trap or plug all drains is see the top Figure 3 The seal plugs are supplied as accessories and be screwed tightly only with hand 10 ...

Page 11: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 4 Wiring Diagrams 18K 24K 30K 36K 42K 48K 11 ...

Page 12: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 60K 12 ...

Page 13: ... Voltage Min Max kW SEER 14 Cooling Only CTA14C018A 60 208 230V 198V 242V 0 18 CTA14C024A 60 208 230V 198V 242V 0 21 CTA14C030A 60 208 230V 198V 242V 0 29 CTA14C036A 60 208 230V 198V 242V 0 40 CTA14C042A 60 208 230V 198V 242V 0 46 CTA14C046A 60 208 230V 198V 242V 0 58 CTA14C060A 60 208 230V 198V 242V 0 58 13 ...

Page 14: ...wer supply Model Type Indoor power wiress Thermostat communication wiress Outdoor power wiress Indoor Outdoor 18 K series single phase Cooling only 3 1 0mm 3 0 75mm 2 0 75mm 3 1 0mm 24 K series single phase Cooling only 3 0 75mm 2 0 75mm 3 2 5mm 30 K series single phase Cooling only 3 0 75mm 2 0 75mm 36 K series single phase Cooling only 3 0 75mm 2 0 75mm 42 K series single phase Cooling only 3 0 ...

Page 15: ...lug in the air conditioner has been joined with the ground wiring please don t change it freely 2 The power socket is used as the air conditioner specially 3 Don t pull the power wiring hard 4 When connecting the air conditioner with the ground observe the local codes 5 If necessary use the power fuse or the circuit breaker or the corresponding scale ampere 15 ...

Page 16: ...AIR HANDLER SYSTEM TECHNICAL MANUAL Part 3 Outdoor Unit 1 Dimensions 17 2 Service Space 18 3 Wiring Diagrams 19 4 Electric Characteristics 20 5 Operation Limits 21 6 Sound Levels 22 7 Refrigerate diagram 23 16 ...

Page 17: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 1 Dimension 17 ...

Page 18: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 2 Service Space 18 ...

Page 19: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 Wiring Diagrams SEER 14 Cooling only 19 ...

Page 20: ... Min Max Outdoor motor kw CTV14CN018A 60 208 230V 198V 242V 0 15 CTV14CN024A 60 208 230V 198V 242V 0 18 CTV14CN030A 60 208 230V 198V 242V 0 21 CTV14CN036A 60 208 230V 198V 242V 0 21 CTV14CN042A 60 208 230V 198V 242V 0 21 CTV14CN046A 60 208 230V 198V 242V 0 51 CTV14CN060A 60 208 230V 198V 242V 0 51 20 ...

Page 21: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 5 Operation Limits Operation mode Outdoor temperature Room temperature Cooling operation 18 43 17 30 21 ...

Page 22: ...L 6 Sound Levels Model Noise level dB A CTA14C018A 57 CTA14C024A 56 CTA14C030A 60 CTA14C036A 60 CTA14C042A 60 CTA14C046A 63 CTA14C060A 63 Note Sound level is measured at a point 1 m in front of the unit at a height of Unit body height 1 2 m 22 ...

Page 23: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 7 Refrigerate diagram Applicable for 18K 24K 30K 36K cooling only type Applicable for 42K 48K 60K cooling only type 23 ...

Page 24: ...ER AIR HANDLER SYSTEM TECHNICAL MANUAL Part 4 Installation 1 Precaution on Installation 25 2 Vacuum Dry and Leakage Checking 26 3 Additional Refrigerant Charge 28 4 Insulation Work 29 5 Test Operation 31 24 ...

Page 25: ...uts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before connection c Expel the air after connecting the refrigerant pipe with the indoor unit and the outdoor unit Then fasten the nuts at the repair points 1 2 Locate The Pipe a Drill a hole in the wall suitable just fo...

Page 26: ... environment common vacuum dry special vacuum dry Common vacuum dry procedure Vacuum dry for the first time connect the all purpose detector to the inlet of liquid pipe and gas pipe and run the vacuum pump more than two hours the vacuum pump should be below 755mmHg If the pump can t achieve below 755mmHg after pumping 2 hours moisture or leakage point will still exist in the pipe At this time it s...

Page 27: ...cond time Fill nitrogen to 0 5Kgf cm2 Because nitrogen is for drying gas it has vacuum drying effect during vacuum destroy But if the moisture is too much this method can t dry thoroughly So please pay more attention to prevent water entering and forming condensation water Vacuum dry for the second time 1h pumping Determinant Pass if achieving below 755mmHg If 755mmHg can t be achieved in 2h repea...

Page 28: ...sions and accidents so always ensure that the appropriate refrigerant is charged Refrigerant containers shall be opened slowly Always use protective gloves and protect your eyes when charging refrigerant The outdoor unit is factory charged with refrigerant Calculate the added refrigerant according to the diameter and the length of the liquid side pipe of the outdoor unit indoor unit R g D mm L m φ...

Page 29: ... 1 2 Thickness choice for insulation material Insulation material thickness is as follows Pipe diameter mm Adiabatic material thickness Refrigerant pipe Φ6 4 Φ25 4 10mm Φ28 6 Φ38 1 15mm Drainage pipe Inner diameterΦ20 Φ32 6mm 4 2 Refrigerant pipe insulation 4 2 1 Work Procedure Before laying the pipes the non jointing parts and non connection parts should be heat insulated When the gas proof test ...

Page 30: ... after checking leakage of the pipes Make sure there s no clearance in the joining part of the accessorial insulation material and local preparative insulation material 4 3 Drainage pipe insulation The connection part should be insulated or else water will be condensing at the non insulation part 4 4 Note 5 4 1 The jointing area expanding area and the flange area should be heat insulated after pas...

Page 31: ... conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test operation Set the air conditioner under the mode of COOLING with the remote controller and check the following points Indoor unit Whether the switch on the remote controller works well Whether the button...

Page 32: ...R AIR HANDLER SYSTEM TECHNICAL MANUAL Part 5 Unit maintenance 1 Fault indicator of indoor unit 33 2 Fault indicator of outdoor unit 34 3 Flow chart of troubleshooting 35 4 Exploded views and part list 40 32 ...

Page 33: ...Display mode Status description Green light always on No system alarm and error normal standby Red light always on Evaporator tube temperature sensor T 2 failure Green light always on yellow light flashing Evaporator high and low temperature protection Green light flashing System is in normal operating status 33 ...

Page 34: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 2 Fault indicator of outdoor unit The meaning of the fault indicator 34 ...

Page 35: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 Flow chart of troubleshooting 3 1 Evaporator temperature sensor fault 3 2 Evaporator high temperature protection For heating mode 35 ...

Page 36: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 3 Evaporator low temperature protection For cooling mode 3 4 T3 Condenser Temperature sensor fault 36 ...

Page 37: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 5 T5 discharge temperature sensor fault 3 6 Low pressure alarm 37 ...

Page 38: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 7 High pressure alarm 3 8 T3 High temperature protection 38 ...

Page 39: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 9 High exhaust temperature protection 39 ...

Page 40: ...plate assembly 1 2 4 Water pan brace 2 7 1 Fan Motor Fixing plate 1 3 Evaporator parts 1 7 2 Wind Wheel Fixed Block 2 3 0 Evaporator assembly 1 7 3 Fixed plate on air duct 1 3 1 Air header Assembly 1 7 4 Stator 2 3 2 Diverter Assembly 1 7 5 air duct left stationary plate 1 3 3 Evaporator 2 7 6 air duct right stationary plate 1 3 4 Evaporator Baffle 1 8 Cover of electric control assembly 1 3 5 Evap...

Page 41: ...scharge outdoor unit No Part Name Quantit y No Part Name Quantity 1 Cover net 1 9 Electronic components 1 2 Outdoor motor 1 9 1 Electric install board weld assembly 1 3 Axial flow fan 1 9 2 AC Contactor 1 4 Top cover assembly 1 9 3 Fan motor capacitor 1 5 Condenser assembly 1 9 4 Compressor capacitor 1 5 1 Condenser 1 10 Left side panel 1 5 2 Condenser input pipe assembly 1 11 Chassis assembly 1 5...

Page 42: ...YSTEM TECHNICAL MANUAL 5 3 1 1 S TL ZL FTF A02 1 14 Low pressure valve welding components 1 6 Rear side panel 2 14 1 Block valve body 1 7 Support board 3 14 2 Pressure switch 1 8 Right side panel 1 15 Left side panel 1 42 ...

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