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©2019 Lennox Industries Inc.
Dallas, Texas, USA
V
E
HW
Lennox Global VRF Unit
VE
Evaporator Type: HW, UM, CC, 4C, 1C, 2C, HD, SD, LD, GD, AH, OA
HW
007
Cooling Capacity MBtu/h
Certification Status: N: Non-certified; C: AHRI/ETL;
N
Refrigerant: 4: R410a
4
Internal Use
32
P
Voltage Rating: K, N, G, Y, T, P, U
Thank you for selecting LENNOX air conditioners.Please read this manual
carefully before operation and keep it for further reference.
VEOA042N432U
VEOA048N432U
VEOA076N432U
VEOA084N432U
VEOA096N432U
007
N
Voltage Rating
K
230/60/3 and 220/50/3
N
380V/50-60Hz/3Ph
G
460V/60Hz/3Ph
Y
230V/60Hz/3Ph
T
220V/50Hz/1Ph
P
230V/60Hz/1Ph
U
220V/50-60Hz/1Ph
INSTALLATION/OPERATION
INSTRUCTIONS
VE Outside Fresh Air Unit
VRF SYSTEMS
INDOOR UNITS
And valid combinations
(see instructions inside)
4
32
HW
UM
CC
4C
1C
2C
HD
SD
LD
GD
AH
OA
P
Available digit for future ref.
Evaporator Types
Hi-Wall
Universal Mount
Compact Cassette
4-Way Cassette
1-Way Cassette
2-Way Cassette
High Static Fan Coil
Slim Fan Coil
Low Static Fan Coil
Large Fan Coil HS
Thank you for selecting
Air Handler
Outside Fresh Air
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Table of Contents
Related Manuals for Lennox VEOA042N432U
Summary of Contents for Lennox VEOA042N432U
- Page 1 220V/50-60Hz/1Ph Slim Fan Coil Low Static Fan Coil Large Fan Coil HS Thank you for selecting Air Handler Outside Fresh Air Thank you for selecting LENNOX air conditioners.Please read this manual carefully before operation and keep it for further reference.
- Page 2 We have the right to make necessary revision to the product from time to time due to the reason of sales or production, and reserve the right to revise the contents without further notice. (7) The final right to interpret for this instruction manual belongs to LENNOX.
- 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 4: Table Of Contents
Contents 1 Safety Precautions ....................1 2 Product Introduction ..................... 3 2.1 Unit Introduction ......................3 2.2 Rated Working Condition ..................... 4 2.3 Working Temperature Range ..................4 3 Preparations for Installation ................. 5 3.1 Standard Fittings ......................5 3.2 Location for Installation ....................6 3.3 Requirements for Communication Line ................ -
Page 5: Safety Precautions
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 1 Safety Precautions 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. - Page 6 Multi Variable Air Conditioners Fresh Air Series Indoor Unit Wire size of power cord should After connecting the be large enough.The damaged power cord, please fix the power cord and connection wire electric box cover properly in order to avoid should be replaced by accident.
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Page 7: Product Introduction
User is not allowed to power off the unit and cut off repair the unit. Fault the main power supply, and service may cause then immediately contact LENNOX electric shock or fire accidents. Please contact appointed service center.If LENNOX appointed service abnormality keeps going, the center for help. -
Page 8: Rated Working Condition
Multi Variable Air Conditioners Fresh Air Series Indoor Unit Connection diagram of fresh air series indoor units and conventional VRF indoor units （2） If the selected air volume >2500m³/h, it can only connect the fixed outdoor unit as below: Model of Indoor Unit Model of Outdoor Unit VEOA076N432U VEOA076N432U or VEOA076N432U or VEOA076N432U... -
Page 9: Preparations For Installation
Multi Variable Air Conditioners Fresh Air Series Indoor Unit NOTE! The ex-factory set temperature is 18°C in cooling mode and 22°C in heating mode. If the user needs to change the temperature setting, please contact after-sales service personnel. 3 Preparations for Installation NOTE: Product graphics are only for reference. -
Page 10: Location For Installation
Multi Variable Air Conditioners Fresh Air Series Indoor Unit Name Graphics Quantity Function M8 Washer To fix the hook on the 8 PC (M8×Φ16×1.5) cabinet of the unit. Wrap the joint of drain Sponge of Drain Pipe 2 PC pipe NOTE! The fittings list above is subject to change without notice, please refer to the packing list provided with indoor unit. -
Page 11: Requirements For Communication Line
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 3.3 Requirements for Communication Line NOTE! If the unit is installed in the place with strong electromagnetic interference, shielded wire must be applied on the communication wire between indoor unit and wired controller. -
Page 12: Wiring Requirements
Minimum Sectional Minimum Sectional Model Power Supply capacity Area of Ground Wire Area of Power Cord /AWG) /AWG) 220~240V 1Ph 50Hz VEOA042N432U 1.0/AWG18 1.0/AWG18 208~230V 1Ph 60Hz 220~240V 1Ph 50Hz VEOA048N432U 1.0/AWG18 1.0/AWG18 208~230V 1Ph 60Hz 220~240V 1Ph 50Hz VEOA076N432U 1.0/AWG18... - Page 13 Multi Variable Air Conditioners Fresh Air Series Indoor Unit Below are dimensions of A, B, C, etc. for different models: Unit：mm Model VEOA042N432U 1440 1530 1400 VEOA048N432U 1440 1530 1400 Fig 4.1.2 Below are dimensions of A, B, C, etc. for different models: Unit：mm...
- Page 14 Multi Variable Air Conditioners Fresh Air Series Indoor Unit （2） Insert the expansion bolt M10 into the hole and then drive the iron nail into the bolt, as shown in Fig 4.1.5. NOTE! The length of bolt can be based on the height of room. Bolt should be prepared by the user.
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Page 15: Pipe Connection
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 4.1.4 Horizontal Alignment After the indoor unit is installed, remember to check the horizontal status of the whole unit. It should be horizontal from front to back and slant 1% from left to right, following the drainage direction, as shown in Fig 4.1.7. - Page 16 Multi Variable Air Conditioners Fresh Air Series Indoor Unit （4） The drain pipe should be as short as possible and slope downward for at least 1%~2% so that condensate can drain out easily. （5） Size of the drainage hose must not be smaller than that of the drain pipe. （6）...
- Page 17 Multi Variable Air Conditioners Fresh Air Series Indoor Unit （5）Install the trap as shown in following Fig 4.3.5. Fig 4.3.5 （6）Install one trap for each unit. （7）Convenience for cleaning trap in the future should be considered when installing it. （8）The horizontal pipe can be connected to vertical pipe in the same level; please select the connection way as shown in following fig.
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Page 18: Installation Of Air Duct
Multi Variable Air Conditioners Fresh Air Series Indoor Unit Fig 4.3.11 4.4 Installation of Air Duct NOTES! ①. There should be insulating layer on air-out duct, air-return duct and fresh air duct to avoid heat loss and moisture. Adhere a nail on the air duct and then add thermal sponge with a layer of tin. - Page 19 Multi Variable Air Conditioners Fresh Air Series Indoor Unit （2） Installation of Circular Duct Fig 4.4.2 Name Name Fresh Air Duct Transition Pipe Canvas Duct Supply Air Duct Fresh Air Blinds Diffuser Hanger Rod Diffuser Connector Supply Air Outlet — —...
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Page 20: Installation Of Wired Controller
Multi Variable Air Conditioners Fresh Air Series Indoor Unit Unit: mm Size of Air Outlet Size of Air –returen Opening Model VEOA042N432U 1151 1362 VEOA048N432U 1151 1362 VEOA076N432U 1150 VEOA084N432U 1150 VEOA096N432U 1150 4.5 Installation of Wired Controller Please refer to User Manual of Wired Controller for the installation details. -
Page 21: Connection Of Wire And Patch Board Terminal
Multi Variable Air Conditioners Fresh Air Series Indoor Unit ⑭. The appliance shall be installed in accordance with national wiring regulations. 5.1 Connection of Wire and Patch Board Terminal （1） The connection of wire (as shown in fig 5.1.1) 1) Strip about 25mm insulation of the wire end by stripping and cutting tool. 2) Remove the wiring screws on the terminal board. -
Page 22: Connection Of Communication Line Of Idu And Odu
Multi Variable Air Conditioners Fresh Air Series Indoor Unit （3） Connect the power cord to terminal "L, N, ". （4） Fix the power card with wiring clamp. 5.3 Connection of Communication Line of IDU and ODU （1） Detach the electric box lid. （2）... -
Page 23: Illuminate For Connection Of Wired Controller And Indoor Units Network
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 1) Fig 5.4.1 shows the installation of wired controller. Fig 5.4.1 Fig 5.4.2 2) Fig 5.4.2 shows the installation of remote controller. 3) Wired controller and receiving light board can be installed at the 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. -
Page 24: Routine Maintenance
Multi Variable Air Conditioners Fresh Air Series Indoor Unit （4） One wired controller can control 16 indoor units in maximum at the same time. (as shown in fig 5.5) NOTES! ①. When the wired controller is controlling multiple indoor units at the same time, the indoor units must be of the same model. -
Page 25: Cleaning Of Filter
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 6.1 Cleaning of Filter （1） Remove the filters from inlet of IDU. Use a vacuum cleaner to remove dust. If the filters are dirty, wash them with warm water and mild detergent, and dry the filters in the shade. -
Page 26: Troubleshooting
Multi Variable Air Conditioners Fresh Air Series Indoor Unit 8 Troubleshooting If your air conditioner is not working well, please check the following table first before asking for service: Phenomenon Troubleshooting ①. Power supply is not connected ②. Circuit breaker tripping caused by leakage of electricity The unit can’t start ③. - Page 28 Contact us at +1-305-718-2901 LennoxGlobalHVAC@Lennoxintl.com 01 ennox Industries Inc. 2019 Lennox Industries Inc. For a complete list of the registered and common law trademarks owned by Lennox Industries Inc., please visit www.lennox.com...