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Form No. S3396-1112
Supersedes S3396-212
Page 3 of 12
LEDOM
detaR
PSE
xaM
PSE
2
suounitnoC
MFC
3
detaR
egatSts1
MFCgnilooC
4
detaR
egatSdn2
MFCgnilooC
MFCgnitaeH 65
000,05
UTB
tupnI
000,57
UTB
tupnI
000,001
UTB
tupnI
000,521
UTB
tupnI
1S3GW51.005.00080080011069001156310441
1S4GW02.005.052800110041069001156310441
1S5GW02.005.005800310061069001156310441
1 Motor will deliver consistent CFM through voltage supply range with no deterioration (197-253V for 230/208V models, 414-506V for 460V models).
2 Continuous CFM is the total air being circulated during continuous (manual) fan mode.
3 Will occur automatically with a call for “Y1” signal from thermostat.
4 Will occur automatically with a call for “Y2” signal from thermostat.
5 Will occur automatically with a call for “W” signal from thermostat.
6 Constant CFM of Variable Speed Motor should maintain mid-rise temperature differential through range of allowable static.
Bard Wall-Mounts are designed to provide optional ventilation packages to meet all of your ventilation and indoor air quality requirements.
All units are equipped with a barometric fresh air damper as the standard ventilation package. All ventilation packages can be built-in at the
factory, or field-installed at a later date.
BLANK OFF PLATE - WGSBOP STANDARD
A blank off plate is installed on the inside of the service door. It covers the air inlet openings which restricts any outside
air from entering the unit. The blank off plate should be utilized in applications where outside air is not required to be
mixed with the conditioned air.
COMMERCIAL ROOM VENTILATOR - WGSCRVMP-5 OPTIONAL
The built-in commercial room ventilator is internally mounted behind the service door and allows outside ventilation air,
up to 50% of the total airflow rating of the unit, to be introduced through the air inlet openings. It includes a built-in
exhaust air damper with integral bug screen. Automatic control is integrated to maintain desired ventilation air at the
various supply airflows while on Stage 1, Stage 2 or ventilation modes of operation.
The commercial room ventilator (CRV) is a simple and innovative approach to improving the indoor air quality by
providing fresh air intake and exhaust capability through the CRV. The damper can be easily adjusted to control the
amount of fresh air supplied into the building. The CRV can be controlled by indoor blower operation or field controlled
based on room occupancy. The CRV is power open - spring return on power loss. Complies with ANSI/ASHRAE
Standard 62.1 “Ventilation for Acceptable Indoor Air Quality”.
CO
2
Sensor Ready: • WGSCRVMP-5 is designed for CO
2
based on ventilation control
by simply wiring in a field installed CO
2
sensor if desired.
ECONOMIZER - WGSEIFM-5 OPTIONAL
The built-in economizer system is internally mounted behind the service door and allows outdoor air to be introduced
through the air inlet openings. The amount of outdoor air varies in response to the system controls and settings defined
by the end user. It includes a built-in exhaust air damper. The economizer is designed to provide “free cooling” when
outside air conditions are cool and dry enough to satisfy cooling requirements without running the compressor. This in
turn provides lower operating costs, while extending the life of the compressor.
Standard Features:
• One Piece Construction - Easy to install with no mechanical linkage adjustment required.
• Exhaust Air Damper - Built in with positive closed position. Provides exhaust air capability to prevent
pressurization of tight buildings.
• Actuator Motor - 24 volt, power open, spring return with built in torque limiting switch.
• Proportioning Type Control - for maximum “free cooling” economy and comfort.
• Moisture Eliminator & Prefilter - permanent, washable aluminum construction.
• Enthalpy Control - adjustable to monitor outdoor temperature and humidity.
• Minimum Position Potentiometer - adjustable to control minimum damper blade position for ventilation purposes.
• Mixed Air Sensor - to monitor outside and return air to automatically modulate damper position.
WALL-MOUNT ENERGY RECOVERY VENTILATOR - WGSERV-5 OPTIONAL
The wall-mount energy recovery ventilator (WGSERV-5) is a highly innovative approach to address indoor air quality ventilation
requirements as established by ANSI/ASHRAE Standard 62.1. The WGSERV-5 allows up to 450 CFM (depending upon
speed setting) of fresh air and exhaust through the unit while maintaining superior indoor comfort and humidity levels. In most
cases this can be accomplished without increasing equipment sizing or operating costs. Heat transfer efficiency is up to 74%
during summer and 80% during winter conditions.
The WGSERV-5 consists of a unique “rotary energy recovery cassette” that provides effective sensible and latent heat
transfer capabilities during summer and winter conditions. Various control schemes are addressed including limiting ventilation
during building occupancy only.
The WGSERV-5 is designed to be internally mounted behind the service door in the WGS Gas/Electric units. It can be built-
in at the factory or field installed as an option. WGSERV-5 can be independently adjusted for intake and exhaust rates.
Manufactured under U.S. Patent Nos. 5,301,744; 5,485,878
NOTE: See Page 4 for WGSCRV Performance Data &
Page 5 & 6 for WGSERV Performance Data
COMMERCIAL ROOM VENTILATOR
ECONOMIZER
Indoor Blower Performance 1
Ventilation System Packages
ENERGY RECOVERY VENTILATOR