aldes ZRT-IL Owner's manual

WARNING
TO REDUCE THE RISK OF FIRE, ELECTRIC
SHOCK, OR INJURYTO PERSONS, OBSERVE
THE FOLLOWING:
1. Use this unit only in the manner
intended by the manufacturer. If
you have any questions, contact the
manufacturer.
2. Before servicing or cleaning the unit,
switch power o at service panel and
lock service panel to prevent power
from being switched on accidentally.
When the service disconnecting
means cannot be locked, securely
fasten a prominent warning device,
such as a tag, to the service panel.
3. To reduce the risk of re and electric
shock, the integral damper end
switch should only be used to
switch ventilation equipment rated
Maximum 10A, 1/2 HP.
4. Sufficient air is needed for proper
combustion and exhausting of
gases through the ue (chimney) of
fuel-burning equipment to prevent
backdrafting. Follow the heating
equipment manufacturer's guidelines
and safety standards, such as those
published by the National Fire
Protection Association (NFPA), and
the American Society of Heating,
Refrigerating and Air-Conditioning
Engineers (ASHRAE), and the local
code authorities.
5. In addition to the following
manufacturer’s instructions, it is
necessary to comply with federal,
state, and local government codes.
Your purchase of this American
Aldes ventilation system represents
an investment in the health and
comfort of the occupants, as well as
an investment in the protection of the
building from the damaging eects of
excessive indoor humidity.
CAUTION
1. Forgeneralventilatinguseonly. Donot
useto exhausthazardous or explosive
materials and vapors.
2. Automatically operated device. To
reduce the risk of injury, disconnect
from power supply before servicing.
3. ZRT-IL is acceptable for use over a
tub or shower when installed in a
GFCI-protected circuit. If wired directly
to the fan or ZRT-IL, a single Ground
FaultProtectoronthe120VACcommon
power supply must be used to protect
all devices on the same circuit.
SYSTEM DESIGN
Satisfactory performance of a central
ventilation system requires:
• Properintegrationofallthecomponents,
compatible grilles, and wall/roof caps;
• Proper duct design for friction losses;
• Consideration of acoustic and vibration
properties of the fan and its mounting;
• Acoustic properties of the grilles;
• Considerationofthemodeofoperation,
whether continuous or automatically
controlled by dehumidistat, timer, or
occupancy sensor;
• Installation in a heated or unheated
space, with consideration for the
potentialofcondensationintheducting
or fan housing.
Inspect the carton upon receipt to ensure
the terminal has not been damaged in
transit. If damaged, it is the responsibility
of the recipient to le a damage claim with
the carrier. American ALDES Ventilation
Corporation is not responsible for damage
incurred during shipment.
Handle the unit with care to prevent
damage to the housing and other
components. Store the unit indoors if
possible. If outdoor storage is required,
protection against moisture and dirt is
necessary.
DESCRIPTION
American Aldes patented* Zone Register
Terminals(ZRT®) aredesignedtointroduce
exibility and dynamic control to central
ventilationsystems. Usedinbothlargeand
smallsystems,theZRT-IL zonally regulates
ventilationwhereitis requiredwithoutthe
need for individual fans. Each ZRT-IL is a
combinationregisterbox,controldamper,
removable access plate, and optional ow
regulator(s). This unique combination
provides up to three different control
schemes without the need for expensive
pneumatic, electronic, or DDC control
systems.
The ZRT-IL can be ordered in a supply
or exhaust ventilation conguration. To
ensurethe properoperationofthedamper
assembly, do not exceed 1.0 in. w.g. of
dierential pressure across the damper
door.
ZRT-IL-2 MODELZRT-IL-1 MODEL
Damper
Assembly
Maximum
Flow Regulator
Integral
Minimum Flow
Regulator
and Damper
Mounting
Bracket
(Included)
Removable
Access Plate
AIRFLOW & ZONE CONTROLS
ZRT-IL
In-Line Zone Terminals
INSTALLATION
OPERATION
MAINTENANCE
READ AND SAVE THESE INSTRUCTIONS
*U.S. Pat. No. 7,766,734
Damper
Motor
Cover
Maximum
Flow Regulator
(Optional)

By replacing static grilles in large central
systems, the ZRT-IL-1 model provides on-
o control for on-demand ventilation. This
allows central fan downsizing and promotes
energy savings by minimizing necessary
fan horsepower and ventilation-induced
heat and cooling loads on the building. The
constantairowregulatorinstalledintheZRT-
IL-1’sextendedductcollarplacesamaximum
ow limit on each terminal. The automatic
operation of the constant airow regulator
will prevent noise and excessive energy
consumption caused by over-ventilation, as
well as uctuations in airow rates as total
system pressure varies.
The ZRT-IL-2 model can be used for
combination low-flow indoor air quality
ventilation and on-demand high-ow spot
ventilationusingthesame centralfan system.
This is achieved by integrating a minimum
constant airow regulator directly into the
damper sub-assembly. With the damper
completely closed, the factory-calibrated
constant airlfow regulator will still allow
steady,low-continuousventilationduringfan
operation.When other terminals are opened
foron-demand controlofspotventilation,the
closed ZRT-IL-2 will maintain the specied
low-continuous rate through the constant
airow regulator minimum ow control. By
opening the ZRT-IL-2’s control damper, the
low-ow regulator is removed from the air
stream, allowing either controlled (using
optional second constant airow regulator)
or full maximum-boost ventilation.
The ZRT-IL can activate fans used in smaller
centralventilationsystems.Throughtheuseof
anintegraldamperend-switch,theZRT-ILcan
trigger the remote fan to start. This provides
the distinct advantage of allowing the fan
to only ventilate specic spaces when called
upon, without the need for separate fans in
each space. This is especially important in
residential bath applications using popular
in-line and multi-port fans, where low noise
and a single exterior vent penetration are
desired.
MOUNTING
The ZRT-IL includes a mounting bracket to
accommodate new or existing construction.
The versatile mounting options permit
ZRT-IL
FIGURE 1 - MOUNTING
installation above drop ceilings, between
ceiling joints, or within a small sot location
(See Figure 1).
MAINTENANCE
Service parts are available. See Table 1.
WIRING
The ZRT-IL is available with 24 VAC or 120
VACactuatormotors.120VACwiringoptions
are shown in Figures 2-4, and 24 VAC wiring
TABLE 1 - SERVICE PARTS
Models with a Manufacture Date of December 2013 or Earlier
Damper Motor 24 VAC 85 690
Damper Motor 120 VAC 85 691
Damper Assembly 24 VAC for Models with 4" Duct Collar 36 114
Damper Assembly 24 VAC for Models with 6" Duct Collar 36 116
Damper Assembly 120 VAC for Models with 4" Duct Collar 36 115
Damper Assembly 120 VAC for Models with 6" Duct Collar 36 117
Models with a Manufacture Date of January 2014 or Later
Damper Motor 24 VAC 85 695
Damper Motor 120 VAC 85 696
Damper Assembly 24 VAC for Models with 4" Duct Collar 36 134
Damper Assembly 24 VAC for Models with 6" Duct Collar 36 136
Damper Assembly 120 VAC for Models with 4" Duct Collar 36 135
Damper Assembly 120 VAC for Models with 6" Duct Collar 36 137
options using the ZoneTerminal Fan Control
Center (Model ZTC) are shown in Figures 5
and 6.
WARRANTY
See enclosed warranty document.
ZRT-IL
2
IMPORTANT:
Mounting
bracket must
be securely
anchored to joists.
For units with optional wireless
communication relay, see
"Wireless Communication
Programming Supplement."
Sheet Metal Screws
Washers
Washers
Dimples
Dimples
Additional Screws
for Studs
Mounting Bracket

Intermittent fan
operation using 120
VAC power supply to
ZRT-IL-1 terminals.
SPST convenience
switches, such
as manually
operated switches,
mechanicaltimers,or
dehumidistats, may
be used to control
each ZRT and fan in
this conguration.
FIGURE 2
Continuous fan
operation using 120
VAC power supply to
ZRT-IL-2 terminals.
The fan and ZRT
terminals may be
wired independently.
FIGURE 4
ZRT-IL
3
FIGURE 3
Intermittent fan
operation using 120
VAC power supply to
ZRT-IL-1 terminals.
SPST convenience
switches, such as
push-button timers
or motion sensors,
may be used to
control each ZRT
and fan in this
conguration.

Intermittent fan operation
using 24 VAC ZTC Zone
Terminal Control Center
and ZRT-IL-1 terminals.
SPSTconvenienceswitches,
suchasmanuallyoperated,
mechanical timers, or
dehumidistats,maybeused
to control each ZRT-IL and
fan in this conguration.
The fan is controlled by the
ZTC.
IntCont
-------Input------ -------Output to Fan-------
A
FIGURE 5
Continuous fan operation
using 24 VAC ZTC Zone
Terminal Control Center
and ZRT-IL-2 terminals.
SPSTconvenienceswitches,
suchasmanuallyoperated,
mechanical timers, or
dehumidistats,maybeused
tocontroleachZRT-ILinthis
conguration. Thefanmay
be wired independently or
to the ZTC.
IntCont
-------Input------ -------Output to Fan-------
A
FIGURE 6
ZRT-IL
4
American ALDES Ventilation Corporation • 4521 19th Street Court East, Suite 104 • Bradenton, FL 34203 – USA
941.351.3441 • 800.255.7749 • 941.351.3442 (fax) • [email protected] • www.aldes.us
© 2016 American ALDES Ventilation Corporation. Reproduction or distribution, in whole or in part, of this document, in any form or by any means, without the express written consent of
American ALDES Ventilation Corporation, is strictly prohibited. The information contained within this document is subject to change without prior written notice.
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