Lennox VEOA042N432U Installation & Operation Instructions Download

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01 ennox Industries Inc.

For a complete list of the registered and common law trademarks
owned by Lennox Industries Inc., please visit www.lennox.com

2019 Lennox Industries Inc.

Summary of Contents for VEOA042N432U

Page 1: ...resh Air Evaporator Types Thank you for selecting LENNOX air conditioners Please read this manual carefully before operation and keep it for further reference K 230 60 3 and 220 50 3 N 380V 50 60Hz 3P...

Page 2: ...perly select the model according to actual using environment otherwise it may impact the using convenience 4 This product has gone through strict inspection and operational test before leaving the fac...

Page 3: ...Notice This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given s...

Page 4: ...nstallation and Test of Drain Pipe 11 4 4 Installation of Air Duct 14 4 5 Installation of Wired Controller 16 5 Wiring Work 16 5 1 Connection of Wire and Patch Board Terminal 17 5 2 Power Cord Connect...

Page 5: ...been confirmed as complying to corresponding partial unit requirements of this international standard The electrical interface shall comply with electrical security requirement voltage shall be 220 2...

Page 6: ...il supplied heating equipment is used Never start up or shut off the air conditioner by means of directly plug or unplug the power cord Turn off the unit after it runs at least five minutes otherwise...

Page 7: ...r series indoor unit 1 If the selected air volume 2500m3 h connect with normal indoor units by blow method or connect with the fixed outdoor unit as shown in 2 Model of Indoor Unit Model of Outdoor Un...

Page 8: ...N432U VEOA096N432U or VEOA076N432U or VEOA096N432U VEOA096N432U VEOA096N432U or VEOA076N432U or VEOA096N432U Note F is for the power specification of 208 230V 3 60Hz U is for the power specification o...

Page 9: ...t To be used for connecting the refrigerant pipe 3 Corrugated pipe 1 VEOA042 48N432U 4 M10 Nut Nut with Washer M10 8 4 PC To be used together with the hanger bolt for installing the unit 5 M10 Nut M10...

Page 10: ...ke sure the space for maintenance please install the indoor unit according to the dimension described below 6 Keep the unit away from heat source inflammable gas or smoke 7 This is a concealed ceiling...

Page 11: ...IEC 53 L 250 820 1 5 2 0 75 2 1 25 2 AWG18 2 AWG16 IEC 60227 5 1 The cord shall be Circular cord the cores shall be twisted together 2 If unit is installed in places with intense magnetic field or st...

Page 12: ...wer cord size Power cord size is based on multicore copper core cable with operation temperature of 90 C when laying on wire groove at 40 C ambient temperature IEC 60364 5 523 If the operation conditi...

Page 13: ...92 327 1483 791 385 VEOA084N432U 1353 632 992 1150 192 327 1483 791 385 VEOA096N432U 1353 632 992 1150 192 327 1483 791 385 4 1 2 Punching of Bolt Spots and Bolt Installation 1 Cut out the installatio...

Page 14: ...specialized nut to secure the unit Fig 4 1 6 NOTES Before installation please finish the preparation work of all pipes connection pipe drain pipe and wires wired controller wire connection wire of ID...

Page 15: ...mm Torque N m 6 35 15 30 9 52 35 40 12 7 45 50 15 9 60 65 Fig 4 2 3 The pipe should not be bent too much or it may crack Use a pipe bender when bending the pipe 4 Use a sponge to wrap the uninsulated...

Page 16: ...use adhesives to connect drain hole and drain hose 8 When the drain pipe is used for several equipments the shared pipe should be about 100mm lower than the drain hole of each equipment In this case...

Page 17: ...elbow Fig 4 3 7 No 3 Inserting pipe connection Fig 4 3 8 Fig 4 3 6 Fig 4 3 7 Fig 4 3 8 9 Drain pipes should have a downward slope of at least 1 2 in order to prevent pipes from sagging install hanger...

Page 18: ...tion of air duct should be well sealed in order to prevent air leakage The design and construction of air duct should comply with national requirements The edge of air return duct is suggested to be m...

Page 19: ...t Fig 4 4 2 No Name No Name 1 Fresh Air Duct 6 Transition Pipe 2 Canvas Duct 7 Supply Air Duct 3 Fresh Air Blinds 8 Diffuser 4 Hanger Rod 9 Diffuser Connector 5 Supply Air Outlet 4 4 2 Shape and Size...

Page 20: ...o ensure safe and correct operation Install specialized branch circuit breaker according to related laws and regulations and electrical standards All wiring must use pressure terminal or single wire M...

Page 21: ...f stranded wire as shown in fig 5 1 2 1 Strip about 10mm insulation of the end of stranded wire by stripping and cutting tool 2 Loosen the wiring screws on terminal board 3 Insert the wire into the ri...

Page 22: ...with clamp of electric box 5 For more reliable communication make sure connect the terminal resistor to the most downstream IDU of the communication bus terminal D1 and D2 as shown in fig 5 3 2 termin...

Page 23: ...same time When operating through a remote controller both wired controller and the receiving light board can receive the signals as shown in Fig 5 4 3 Fig 5 4 3 5 5 Illuminate for Connection of Wired...

Page 24: ...the same address For specific setting methods please refer to installation manual of wired controller If connecting the fresh air indoor unit with wired controller for operation fresh air indoor unit...

Page 25: ...characters on the wired controller screen will disappear after cutting off the power supply 7 Table of Error Codes for Indoor Unit Error Code Content Error Code Content Error Code Content L0 Indoor U...

Page 26: ...or blocked Too heavy heat load of room e g too many people Door or windows is open Air inlet and outlet of IDU are blocked Set temperature is too high or refrigerant leaks The performance of room temp...

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Page 28: ...5 718 2901 C 01 ennox Industries Inc For a complete list of the registered and common law trademarks owned by Lennox Industries Inc please visit www lennox com LennoxGlobalHVAC Lennoxintl com 2019 Len...