aldes LH2000e User manual

SERVICE MANUAL
Low-Profile
Commercial
Series
300952 V1.0
LH2000e
LE2000e
LH3000e
LE3000e
Heat/Energy
Recovery
Ventilator
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CAUTION
Always turn off electrical power before performing device
maintenance. This device contains high-voltage electrical
components.
IMPORTANT –Read this manual before installation
Always turn off electrical power on the device before
beginning maintenance.
No modifications should be made to the unit under any
circumstances. Warranty will be immediately void.
Do not use this device to evacuate steam, inflammable gases
or explosive substances.
Electrical connections should always be made by a qualified
electrician.
Air input and output must be in equilibrium in order for the
ventilation system to function properly.
Installation should be completed in conformance with local
construction and safety standards.
All drawings, photos and diagrams are for reference purposes
only.
Aldes reserves the right to modify devices and their
components without prior warning.
2 Warning
CAUTION
This device has moving parts. All repairs should be made by a
qualified technician in order to avoid serious injury.
2
300952 V1,0
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3
Table of Contents
3
300952 V1.0
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Warning-------------------------------------------2
Table of Content--------------------------------3
Warranties and Exclusions-------------------4
Preparing for Installation---------------------5
Device Handling--------------------------------6
Installation---------------------------------------7
Blower Belt Adjustment----------------------8
Electrical Connections------------------------9
Set-Up Sequence------------------------------11
Device Start-Up--------------------------------13
Options Glossary
Control Option---------------------15
Defrost Modes---------------------16
Components Options------------17
Unit Features----------------------18
Ventilation Motor Options-----18
Maintenance----------------------------------19
Service Requests-----------------------------20

4 Warranties and Exclusions
Warranty
Aldes products are guaranteed to be defect-free for a period of (2) years
from the purchase date.
Labor not included.
4
1. Modifications were made by or for the client.
2. Product was poorly installed.
3. Maintenance, cleaning and lubrication were not executed in accordance
with recommendations made by Aldes.
1. All installation fees and labor relating to product repairs.
2. All fees related to a loss of operations, merchandise, inventory or
equipment due to a defective Aldes product.
Warranty does not apply if:
Warranty Exclusions
300952 V1,0
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5Preparing for Installation
Unpacking Your Device
Remove the plastic wrapping from the device as well as the
styrofoam protecting its corners, being careful not to scratch the
painted surfaces. Appropriately dispose of materials once all
wrapping has been removed.
Inspecting Your Device
Visually inspect your device to ensure that no sheet metal has been
dented or scratched. Verify that the air intake and exhaust hoods
have not been damaged in transport.
Warning: Do not remove any obstructing parts or attachments until
the device has been moved to its final location.
Transport Method
Your device is equipped with anchoring hooks for transport
purposes. Strictly follow all directions before moving your device.
Always use all six (6) ancrage points simultaneously as shown in the
diagram.
5
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6 Device Handling
Using a Forklift to Transport Devices
Before using a forklift to move your device, you must follow several safety
rules.
Weigh the device and check the forklift capacity. The capacity of the
forklift must exceed the weight of the device.
Raise the device as shown in the diagram below. This is the only
permissible method authorized by Aldes for transporting devices using a
forklift.
Transportation of the device must be executed by a trained forklift
operator.
Ensure that the forklift skids are a minimum of 6 inches longer than the
length of the device.
6
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7Installation
Roof Curb Installation
Install the roof curb as indicated in the accompanying document provided.
Obstructing Materials and Transport Attachments
Once the device has been placed in its final location, remove all obstructing
materials and transport attachments. (Only with Springs insolation option).
7
Remove the screws located
at each of the four corners.
Ventilation Unit
Galvanized roof curb
Rigid Insulation (optional)
Building Structure
Roof Covering
Waterproof Seal (not included)
300952 V1.0
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8Installation
8
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Blower Belt tension setting
In order to avoid unusual wear of moving pieces, adjust belt tension at
minimum value to avoid slipping. Belt tension is adjusted by the
adjusting screws as illustrated below.
Adjusting screws
Loosen these screw before adjusting.
Tighten it after.
Loosen these screw before adjusting.
Tighten it after.

9 Electrical Components
DANGER
This device contains high-voltage electrical components. All
maintenance must be done by a qualified technician to prevent
serious injury and possible death. Installation should be
completed in conformance with local building standards and
safety codes.
9
Photo 1
Open the exterior panel using the handles (Photo 1).
Turn the handles downwards and counter clockwise as indicated in the
photo.
Be aware that you must unlock the handles with the appropriate key in
order to open the panel.
5/16’’
300952 V1.0
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10Electrical Connections
DANGER
10
Proceed to the high-voltage connections while strictly following the set-up
sequence and respecting the electrical standards in effect.
300952 V1,0
This device contains high-voltage electrical components. All
maintenance must be done by a qualified technician to prevent
serious injury and possible death. Installation should be
completed in conformance with local building standards and
safety codes.
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11 Set-Up Sequence
11
DANGER
Proceed to the grounding connections while respecting current electrical
standards. Be sure to fasten the wire securely.
300952 V1,0
This device contains high-voltage electrical components. All
maintenance must be done by a qualified technician to prevent
serious injury and possible death. Installation should be
completed in conformance with local building standards and
safety codes.
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12Set-Up Sequence
12
DANGER
L1 –L2 : ________________________________
L1 –L3 : ________________________________
L2 –L3 : ________________________________
L1 –G : _________________________________
L2 –G : _________________________________
L3 –G : _________________________________
A maximum deviation of ± 5% is acceptable.
1- Check the voltage of the main circuit breaker (1 to 3 steps).
3- Manually put the device in the stop position using the
keyboard. See the provided user manual.
2- Activate the main disconnect switch.
300952 V1.0
This device contains high-voltage electrical components. All
maintenance must be done by a qualified technician to prevent
serious injury and possible death. Installation should be
completed in conformance with local building standards and
safety codes.
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www.aldes.com

13 Device Start-Up
13
DANGER
4- Manually turn on the device using the keyboard. See the
provided user manual.
DANGER
This device has moving parts. All repairs should be made by a
qualified technician in order to avoid serious injury.
5- Verify that the motors and thermal wheel are rotating in the
proper direction.
300952 V1.0
This device contains high-voltage electrical components. All
maintenance must be done by a qualified technician to prevent
serious injury and possible death. Installation should be
completed in conformance with local building standards and
safety codes.
Tél. Can.: 1-800-262-0916 Usa.:1-800-255-7749
www.aldes.com

14
Device Start-Up
14
RECOMMENDATION
Before turning on your new device, inspect the condition of the
ventilation ducts. Clean the ducts before turning on your device.
If building construction has not yet been completed, we
recommend that you wait until work has been finished before
starting up your device. An abnormal volume of dust in the air
could clog the device filters and cause damage to the motors.
Ensure that all diffusers are opened to their maximum capacity
before turning on your device. It is common to notice a faint
smell of burning upon the first start-up.
CAUTION
This device should be installed and balanced by a contractor
specializing in ventilation services.
WARNING
Electrical voltage remain in VFD for 5 minutes minimum after
input circuits have been opened and the following electrical
components have been activated:
Speed variator for the thermal wheel motor;
Speed variator for the ventilator motors.
300952 V1.0
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15 Options Glossary
Dirty contact filter:
A warning message will display upon the closing of a dry contact when fresh
air circuit filters or contaminated air filters are plugged.
Ventilator rotation detection:
Unit stops if rotation is faulty. A message will display if the ventilator rotation has
experienced a malfunction or if a belt has slipped.
Dampers limit switches:
Unit start-up according to dampers openings and closings
Controller compatible with the BACnet Controller Network :
Two (2) means of communication are available:
MS/TP
IP
Remote Displays:
Offered with command buttons or with touch screen.
Control Options
15
The following options may not be included with your device. Consult the
specifications form provided with your device for more information.
300952 V1.0
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16Options Glossary
16
Defrost Modes
The frost control system is activated according to a reference temperature
or pressure (selectable option).
Built-in automated electric preheating coil (SSR-controlled).
Built-in liquid preheating coil (0 to 10V signal controls are available).
Face and bypass damper .
Built-in automated adjustable resistance clap (cool air diversion).
Defrost recirculation or exhaust cycles (see tables below for
temperature references).
All of the defrost modes listed below may not be included with your
device. Consult the specifications form provided with your device for more
information.
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Sensible Fixed Plates recovery core (Alu. or Poly.)
°C °F
Defrost Time
Ventilation
Time
T° > -5°C T° > 23°F N/A
Continuous
-25°C < T° < -5°C -13°F < T° < 23°F 7 min 32 min
T° < -25°C T° < -13°F 7 min 20 min
Sensible Fixed Plates recovery core (Enthalpy)
°C °F
Defrost Time
Ventilation
Time
T° > -15°C T° > 5°F N/A
Continuous
-25°C < T° < -15°C -13°F < T° < 5°F 7 min 32 min
T° < -25°C T° < -13°F 7 min 20 min

17 Options Glossary
17
MERV13 Filters :
Add MERV13 filters to the fresh air circuit only.
Insulated Aluminum dampers:
Activated by a servomotor upon admission of fresh or exhaust air.
Non-Insulated Gravity dampers (for evacuation purposes only).
Ventilator with rear-facing fan blades (BI).
Post-Heating Coil:
Electric or liquid (0-10 VDC internal signal or 0-10 VDC signal provided by
other components to maintain air input temperature).
Components Options
The following options may not be included with your device. Consult the
specifications form provided with your device for more information.
300952 V1.0
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The following options may not be included with your device. Consult the
specifications form provided with your device for more information.
18
Options Glossary
18
Intake and Exhaust Hoods:
Include shaped aluminum insulated dampers that are activated by a
servomotor. A protective grill covers the inlet hood.
Roof curb:
14 inches in height, insulated or non-insulated, in 18-calibre galvanized steel.
Piping Outlet (liquid coils) :
Front or rear-facing (made of stainless steel)
Construction : TEFC
Unit Features
Ventilator Motor Options
Efficiency: Premium
Two speeds:
Two-speed motor (controller-adjusted).
Variable speeds:
VFD on motors (0-10 VDC signal from other components).
300952 V1.0
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19 Maintenance
CAUTION
Always turn off electrical power before performing device
maintenance. Device contains high-voltage electrical
components.
Every 3 months
Check the condition of the filters and replace if necessary.
Check the condition and tension of belts. Adjust or replace if
necessary.
Check the condition of blowers and clean if needed.
Every 12 months
Clean the cores with water and mild soap.
Clean the inside of the unit using a vacuum cleaner or soapy
water.
19
300952 V1,0
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20
Service Requests
IMPORTANT –Please read the following before
placing a service call
Before making a service request, please have the following
information ready concerning your device:
Device series number
Model number
Project number
This information is necessary in order to address
your problem as quickly as possible. The
information is available on the specification card
located on your device (see photo below).
Serial number
Model number
Project number
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20
300952 V1.0
Tél. Can.: 1-800-262-0916 Usa.:1-800-255-7749
www.aldes.com