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Lennox VRF VEHD038N432U - User Manual

Lennox VRF VEHD038N432U
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VEHD019N432U
VEHD021N432U
VEHD024N432U
VEHD027N432U
VEHD031N432U
VEHD034N432U
VEHD038N432U
VEHD043N432U
VEHD048N432U
VEHD055N432U
Thank you for selecting
INSTALLA
TION/OPERATION
INSTRUCTIONS
VE High ESP Fan Coil
VRF SYSTEMS
INDOOR UNITS
©2016 Lennox Industries Inc.
Dallas, Texas, USA
And valid combinations
(see instructions inside)
HW Hi-Wall
UM Universal Mount
CC Compact Cassette
4C 4-Way Cassette
1C 1-Way Cassette
2C 2-Way Cassette
HD High Static Fan Coil
SD Slim Fan Coil
LD Low Static Fan Coil
GD Large Fan Coil HS
AH Air Handler
OA Outside 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/3Ph
G 460V/60Hz/3Ph
Y 230V/60Hz/3Ph
T 220V/50Hz/1Ph
P 230V/60Hz/1Ph
U 220V/50-60Hz/1Ph
Voltage Rating
V E HW 007 N 4 32 P
Available digit for future ref.
VE
HW
007
N
4
32
P
Evaporator Type: HW, UM, CC, 4C, 1C, 2C, HD, SD, LD, GD, AH, OA
Cooling Capacity MBtu/h
Certification Status: N: Non-certified; C: AHRI/ETL;
Refrigerant: 4: R410a
Voltage Rating: K, N, G, Y, T, P, U
Lennox Global VRF Unit
Internal Use

Questions and Answers

  • K
    Kathleen BennettAug 9, 2025
    What to do if my Lennox Air Conditioner Accessories unit can’t start?
    • A
      Andrew ContrerasAug 9, 2025
      If your unit won't start, begin by checking if the power supply is properly connected. Then, inspect the circuit breaker for any tripping issues that could be caused by electrical leakage. Also, ensure that the input voltage is within an acceptable range. Finally, check the main PC-board for any defects.
  • K
    Kevin ArnoldAug 15, 2025
    Why is my Lennox Air Conditioner Accessories cooling poorly?
    • R
      Rebecca WatsonAug 15, 2025
      Several factors can cause a poor cooling effect. The filter might be dirty, so clean or replace it. The room may have too much heat load, so reduce the number of people or heat-generating devices. Make sure all doors and windows are closed. Ensure that the indoor unit's inlet and outlet are not blocked. The temperature setting could be too high, so lower it. Finally, there might be insufficient refrigerant due to a leak, so check for leaks and refill the refrigerant if needed.
  • C
    calhounwendyAug 20, 2025
    Why is my Lennox VRF VEHD038N432U heating poorly?
    • J
      James LeonardAug 21, 2025
      A poor heating effect can be due to several reasons. Start by checking if the filter is dirty and clean or replace it if necessary. Ensure all doors and windows are closed to prevent heat loss. If the setting temperature is too low, increase it. Also, check for refrigerant leakage and refill if needed, as insufficient refrigerant can cause poor heating.
  • R
    Roger MckinneyAug 27, 2025
    What to do if Lennox Air Conditioner Accessories unit stops after running for a while?
    • J
      Jamie ParkerAug 27, 2025
      If your unit stops after running for a while, it might be because the inlet or outlet of either the outdoor unit (ODU) or indoor unit (IDU) are blocked. Remove any obstacles that are blocking these inlets or outlets.
  • R
    Raymond JenkinsSep 2, 2025
    Why doesn’t the indoor fan start up during heating in my Lennox Air Conditioner Accessories?
    • J
      Jared JordanSep 3, 2025
      The indoor fan might not start immediately during heating for two reasons. First, at the start, the fan might wait until the heat exchange becomes hot to prevent delivering cool air; wait for the heat exchange to become hot. Second, during defrosting, the fan might stop because the system switches to cooling mode, also to prevent delivering cool air; allow the system to complete the defrosting process.

Summary

Safety Precautions

General Safety Warnings

Key safety warnings and precautions to follow during installation and operation.

Preparations for Installation

Location for Installation

Guidelines for selecting an appropriate installation site for the indoor unit.

Installation Instructions

Installation of Indoor Unit

Instructions for mounting and positioning the indoor unit.

Refrigerant Pipe Connection

Steps for connecting the refrigerant pipes to the indoor unit.

Drainage Pipe Installation and Drainage System Testing

Procedures for installing the drain pipe and testing the drainage system.

Wiring Work

Connection of Wire and Patch Board Terminal

Steps for connecting wires to terminals and using crimping tools.

Power Cord Connection

Guidance on connecting the power cord to the unit.

Table of Error Codes for Indoor Unit

Troubleshooting

Lennox VRF VEHD038N432U Specifications

General IconGeneral
CategoryAir Conditioner Accessories
ModelVEHD038N432U
BrandLennox
Cooling Capacity (BTU/h)38, 000
Refrigerant TypeR-410A
Product TypeVRF
Power Supply (Voltage/Phase/Hz)208-230/3/60

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