Related Manuals for Lennox VEGD076N432U
Summary of Contents for Lennox VEGD076N432U
- Page 1 VRF Indoor Units Installation Manual Large Ducted Fan Coil VEGD076N432U VEGD095N432U Thank you for selecting LENNOX air conditioners. Please read this manual carefully before operation and keep it for further reference.
- Page 2 To Users Thank you for selecting LENNOX’s product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby...
- Page 3 Exception Clauses Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons: (1) Damage the product due to improper use or misuse of the product; (2) Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer;...
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Page 5: Table Of Contents
Contents 1 Safety Notices (Please be sure to abide) ............. 1 2 Product Introduction ..................... 3 2.1 Names of Key Components .................... 3 2.2 Rated Working Condition ....................3 3 Preparations for Installation ................. 4 3.1 Standard Fittings ......................4 3.2 Location for Installation .................... -
Page 6: Safety Notices (Please Be Sure To Abide)
Multi Variable Air Conditioners Ducted Type Indoor Unit 1 Safety Notices (Please be sure to abide) Warning: If not abide strictly, it may cause severe damage to the unit or the people. Note: If not abide strictly, it may cause slight or medium damage to the unit or the people. This sign indicates that the operation must be prohibited. - Page 7 Then Improper repair will cause contact LENNOX service center. If electric shock or fire hazard. the air conditioner continues to Please contact LENNOX service operate despite of abnormal...
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Page 8: Product Introduction
Any personal injury or property loss caused by improper installation, improper debug, unnecessary repair or not following the instructions of this manual should not be the responsibility of Lennox. Correct Disposal of this product This marking indicates that this product should not be disposed with other household wastes throughout the EU. -
Page 9: Preparations For Installation
Multi Variable Air Conditioners Ducted Type Indoor Unit 3 Preparations for Installation Note: Product graphics are only for reference. Please refer to actual products. Unspecified measure unit is mm/in. 3.1 Standard Fittings Please use the supplied standard fittings listed below as instructed. Name Appearance Q'ty... -
Page 10: Requirements For Communication Line
Multi Variable Air Conditioners Ducted Type Indoor Unit (8) Indoor unit, outdoor unit, power cord and electric wire should stay at least 1m from the TV set and radio. Otherwise, these electrical appliances may have image interference and noise (Even if the distance is 1m when there is strong electric wave, noise may still occur). Unit: mm Fig 3.2 NOTES! -
Page 11: Wiring Requirements
Model Power Cord Size apacity Area of Ground of Power Cord(mm Wire VEGD076N432U 220~240V-1ph-50Hz 208~230V-1ph-60Hz VEGD095N432U NOTES! ① Use copper wire only as unit’s power cord. Operating temperature should be within its rated value. ② If the length of power cord is more than 15 m, please increase properly the sectional area... -
Page 12: Installation Instructions
Below are the outline dimension applicable to indoor units Fig 4.1.1 Below are dimensions of A, B, C, etc. for different models: Unit: mm Model VEGD076N432U 1353 1150 VEGD095N432U 1563 1350... - Page 13 Multi Variable Air Conditioners Ducted Type Indoor Unit 4.1.2 Suspend the indoor unit (1) Drill bolt holes and install bolts Stick the reference cardboard on the installation position; drill 4 holes according to the hole site on the cardboard as shown in fig 4.1.2; diameter of drilling hole is according to the diameter of expansion bolt and the depth is 60-70mm, as shown in fig 4.1.3.
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Page 14: Refrigerant Pipe Connection
Multi Variable Air Conditioners Ducted Type Indoor Unit NOTES! ① Before operation, please prepare all pipelines (connection pipe, drainage hose) and wires (connection wire for wired controller, connection wire for indoor unit). ② When drilling holes on ceiling (air return outlet or air outlet), you can need to reinforce the ceiling to prevent vibration. -
Page 15: Drainage Pipe Installation And Drainage System Testing
Multi Variable Air Conditioners Ducted Type Indoor Unit 4.3 Drainage Pipe Installation and Drainage System Testing 4.3.1 Notice for Installation of Drain Pipe (1) It is not allowed to connect the condensate drain pipe into waste pipe or other pipelines which are likely to produce corrosive or peculiar smell to prevent the smell from entering indoors or corrupt the unit. - Page 16 Multi Variable Air Conditioners Ducted Type Indoor Unit (3) Use sealing plate to make the pipe clamp and hose insulated, as shown in Fig.4.3.3. ① metal clamp ② thermal sponge Fig 4.3.2 Fig 4.3.3 (4) When connecting several drain pipes, follow the instruction as indicated in Fig 4.3.4. Choose the drain collecting pipe that matches with unit capacity.
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Page 17: Installation Of Air Duct
Multi Variable Air Conditioners Ducted Type Indoor Unit (9) Drain pipes should have a downward slope of at least 1%~2%, in order to prevent pipes from sagging, install hanger bracket at intervals of 1000~1500 mm. Fig 4.3.9 4.3.3 Test of Drainage System (1) Inject some water to the water tray of indoor unit as following: Connect the drain hose to the other drain connection pipe of water tray and inject approximately 1L water. -
Page 18: Installation Of Wired Controller
Fig 4.4.2 Air Outlet Fig 4.4.3 Air-return Opening Unit: mm Size of Air Outlet Size of Air –return Opening Model VEGD076N432U 1150 VEGD095N432U 1350 4.5 Installation of Wired Controller Please refer to User Manual of Wired Controller for the installation details. -
Page 19: External Static Pressure Settings
Multi Variable Air Conditioners Ducted Type Indoor Unit NOTES! When installation is finished, the unit must be tested and debugged before operation. Please refer to Instruction Manual of ODU for auto addressing and debugging details. 4.6 External Static Pressure Settings Unit parameters can be set in unit ON or OFF status. -
Page 20: Wiring Work
Multi Variable Air Conditioners Ducted Type Indoor Unit NOTES! ① Keep in mind that a shortage of airflow quantity or water leakage will result because the air conditioner will be operated outside the rated range of airflow quantity if the external static pressure is wrongly set. -
Page 21: Power Cord Connection
Multi Variable Air Conditioners Ducted Type Indoor Unit Fig 5.1.1 Fig 5.1.2 5.2 Power Cord Connection NOTES! ① Every unit should be equipped with a circuit breaker for short-circuit and overload protection. ② During operation, all indoor units connected to the same outdoor unit system must be kept energized status. -
Page 22: Connect Communication Wire Of Wired Controller
Multi Variable Air Conditioners Ducted Type Indoor Unit Fig 5.3.1 Fig 5.3.2 (4) Fix the communication cable 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, terminal resistor is provided with each ODU. -
Page 23: Illuminate For Connection Of Wired Controller And Indoor Units Network
Multi Variable Air Conditioners Ducted Type Indoor Unit 5.5 Illuminate for Connection of Wired Controller and Indoor Units Network (1) Communication wire of indoor unit and outdoor unit (or indoor unit) is connected to D1, (2) Wired controller is connected to H1, H2. (3) One indoor unit can connect two wired controllers that must be set as master one and slave one. - Page 24 Multi Variable Air Conditioners Ducted Type Indoor Unit Fig 5.5...
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Page 25: Routine Maintenance
Multi Variable Air Conditioners Ducted Type Indoor Unit 6 Routine Maintenance WARNING! ① Do turn off the unit and cut off the main power supply when cleaning the air conditioner to avoid electric shock or injury. ② Stand at solid table when cleaning the unit. ③... -
Page 26: Table Of Error Codes For Indoor Unit
Multi Variable Air Conditioners Ducted Type Indoor Unit 7 Table of Error Codes for Indoor Unit Error Code Content Error Code Content Error Code Content Indoor Units Indoor Unit Error Jumper Cap Error Incompatibility Error Indoor Fan Low Air Quality Indoor Unit Network Protection Warning... - Page 28 Contact us at +1-305-718-2901 LennoxGlobalHVAC@lennoxintl.com 2018 Lennox Industries Inc. For a complete list of the registered and common law trademarks owned by Lennox Industries Inc., please visit www.lennox.com...
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