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©2016 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
Cooling Capacity MBtu/h
007
Certification Status: N: Non-certified; C: AHRI/ETL;
N
Refrigerant: 4: R410a
4
Internal Use
32
Voltage Rating: K, N, G, Y, T, P, U
P
Thank you for selecting LENNOX air conditioners.Please read this manual
carefully before operation and keep it for further reference.
VEHD019N432U
VEHD034N432U
VEHD021N432U
VEHD038N432U
VEHD043N432U
VEHD024N432U
VEHD048N432U
VEHD027N432U
VEHD055N432U
VEHD031N432U
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 High ESP Fan Coil
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 Air
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Summary of Contents for Lennox VRF VEHD019N432U
- Page 1 High Static Fan Coil 220V/50-60Hz/1Ph Slim Fan Coil Low Static Fan Coil Large Fan Coil HS Thank you for selecting Air Handler Outside Air Thank you for selecting LENNOX air conditioners.Please read this manual carefully before operation and keep it for further reference.
- Page 3 Preface For correct installation and operation, please read all instructions carefully. Before reading the instructions, please be aware of the following items: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, might lead to the death or WARNING serious injury of the user.
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Page 5: Table Of Contents
Contents 1 Safety Precautions ....................1 2 Product Introduction ....................3 2.1 Names of Key Components ....................3 2.2 Rated Working Condition ....................3 2.3 Unit Functions ........................3 3 Preparations for Installation ..................4 3.1 Standard Fittings........................ 4 3.2 Location for Installation ...................... 5 3.3 Requirements for Communication Line ................ -
Page 6: Safety Precautions
High ESP Fan Coil Indoor Unit 1 Safety Precautions means items that must be forbidden! Otherwise, it may lead to personal injury or death or serious damage. means items that must be followed! Otherwise, it may lead to personal injury or property loss. - Page 7 Please contact then immerdiately contact LENNOX appointed service LENNOX appointed center for help. service center.If abnormality keeps going, the unit might be damaged and lead to electric shock or fire.
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Page 8: Product Introduction
High ESP Fan Coil Indoor Unit 2 Product Introduction 2.1 Names of Key Components ① ② ③ ④ ⑤ Name Filter Air Inlet Air Outlet Fittings Drain Pipe 2.2 Rated Working Condition Indoor Side Condition Outdoor Side Condition Dry Bulb Temp℃(℉) Wet Bulb Temp℃(℉) Dry Bulb Temp℃(℉) Wet Bulb Temp℃(℉) Rated Cooling 27(80.6) -
Page 9: Preparations For Installation
High ESP Fan Coil Indoor Unit Note! ① √: included, X: not included ② Please refer to the user manual of Wired Controller or Remote Controller for function details 3 Preparations for Installation Note: Product graphics are only for reference. Please refer to actual products. Unspecified measure unit is mm/inch. -
Page 10: Location For Installation
High ESP Fan Coil Indoor Unit 3.2 Location for Installation (1) The appliance shall not be installed in the laundry. (2) The top holder must be strong enough to support unit’s weight. (3) Drain pipe can drain water out easily. (4) There is no obstacle at inlet or outlet. -
Page 11: Select Communication Line For Indoor Unit And Outdoor Unit
High ESP Fan Coil Indoor Unit Fig 3.3.1 Total length of Wire diameter communication wire between Wire type Wire standard Remark indoor unit and wired /AWG) controller (m/feet) 1. Total length of communication cable can't exceed 250m (850feet). Light/Ordinary polyvinyl 2. -
Page 12: Wiring Requirements
High ESP Fan Coil Indoor Unit 3.4 Wiring Requirements (1) Power Cord Size and Air Switch Capacity Minimum Air Switch Minimum Sectional Area of Model Power Cord Size apacity Sectional Area of Power Ground Wire Cord(mm VEHD019N432U VEHD021N432U VEHD024N432U VEHD027N432U VEHD031N432U 220~240V-1ph-50 VEHD034N432U... -
Page 13: Installation Instructions
High ESP Fan Coil Indoor Unit 4 Installation Instructions 4.1 Installation of Indoor Unit 4.1.1 Outline Dimension and Installation Spots Equip with an inspection hatch after lifting the unit. For the convenience of maintenance, the service port should be on one side of the electric box and below unit’s lower level. (1) Below are the outline dimension applicable to indoor units whose cooling capacity range is 5.6kw to14.0kw. - Page 14 High ESP Fan Coil Indoor Unit Below are dimensions of A, B, C, etc. for different models: Unit: mm/inch Model VEHD019N432U VEHD021N432U 1101 1159 1271 1002 (43-3/8) (20-3/8) (32-1/4) (45-5/8) (50) (22) (39-1/2) (6-1/4) (9-1/4) (10-1/2) VEHD024N432U VEHD027N432U VEHD031N432U VEHD034N432U 1101 1115 1229...
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Page 15: Refrigerant Pipe Connection
High ESP Fan Coil Indoor Unit bolt. Be sure to fix it securely by using a nut and washer from upper and lower sides of the hanger bracket. The washer fixing plate will prevent the washer from falling. (4) The usage of paper pattern Refer to paper pattern of installation for ceiling opening dimension. -
Page 16: Drainage Pipe Installation And Drainage System Testing
High ESP Fan Coil Indoor Unit (3) Use pipe bend when bending the pipe and the bending angle should not be too small. (4) Wrap the connection pipe and joint with sponge and then tie them firmly with tape. 4.3 Drainage Pipe Installation and Drainage System Testing 4.3.1 Notice for Installation of Drain Pipe (1) The drainage pipe should be short and the gradient downwards should be at least 1%~2% in order to drain condensation water smoothly. - Page 17 High ESP Fan Coil Indoor Unit Fig 4.3.4 (5) Install the trap as shown in following 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. Fig 4.3.5 (8) The horizontal pipe can be connected to vertical pipe in the same level;...
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Page 18: Test Of Drainage System
High ESP Fan Coil Indoor Unit Fig 4.3.10 4.3.3 Test of Drainage System (1) Please test drainage system after electric work is finished. 1) Inject approximately 1L purified water to drain pan from air vent, ensure that not to splash the water over the electrical components (e.g. water pump. etc). 2) In case of commissioning finished, please energize the IDUs and switch to cooling or dry mode, meanwhile, the water pump operates, you can check the draining through the drain socket. -
Page 19: Shape And Size Of Air Outlet And Air-Return Opening
High ESP Fan Coil Indoor Unit (1) Installation of the Rectangular Duct Fig 4.4.1 Name Name Hanger Rod Static Pressure Box Return Air Duct Main Supply Air Duct Canvas Duct Supply Air Outlet Return Air Inlet 4.4.2 Shape and Size of Air Outlet and Air-return Opening Fig 4.4.2 Air Outlet Fig 4.4.3 Air-return Opening Size of Air Outlet... -
Page 20: Installation Of The Return Air Duct
High ESP Fan Coil Indoor Unit 4.4.3 Installation of the Return Air Duct (1) The default installation location of the rectangular flange is at the back and the return air cover plate is at the bottom, as shown in Fig 4.4.4. Fig 4.4.4 (2) The installation method can be choosen with considering the conditions of the building and maintenance etc., as shown in Fig 4.4.5. -
Page 21: Wiring Work
High ESP Fan Coil Indoor Unit 5 Wiring Work WARNING Before obtaining access to terminals, all supply circuits must be disconnected. (1) Units must be earthed securely, or it may cause electric shock. (2) Please carefully read the wiring diagram before carry out the wiring work, incorrect wiring could cause malfunction or even damage the unit. -
Page 22: Power Cord Connection
High ESP Fan Coil Indoor Unit 5.2 Power Cord Connection NOTICE! All indoor units must be unified of power supply so that they can be powered ON/OFF at the same time. Fig 5.2 ● For units with single-phase power supply. (1) Detach the electric box lid. -
Page 23: Illuminate For Connection Of Wired Controller And Indoor Units Network
High ESP Fan Coil 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 High ESP Fan Coil Indoor Unit Fig 5.5...
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Page 25: Routine Maintenance
High ESP Fan Coil Indoor Unit 6 Routine Maintenance (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) Do not clean the unit with hot water whose temperature is higher than 45°C to prevent fade or deformation. -
Page 26: Table Of Error Codes For Indoor Unit
High ESP Fan Coil Indoor Unit 7 Table of Error Codes for Indoor Unit Error Error Error Content Content Content Code Code Code Quantity Of Group Control Water Temperature Sensor Indoor Unit Error Indoor Units Setting Error Error Indoor Fan Indoor Units Incompatibility Jumper Cap Error Protection... - Page 28 Contact us at +1-305-718-2901 LennoxGlobalHVAC@Lennoxintl.com 2016 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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