321 Studios QW5S Manual Do Utilizador
F1915 (2012 04)
Page 4 of 6
The built-in commercial room ventilator (CRV) is internally mounted
and allows outside ventilation air, up to 50% of the total air flow
rating of the unit, to be introduced through the air inlet openings. The
CRV shall be modular and easily added or removed from the unit
cabinet. It includes a built-in exhaust air damper. 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. Unit complies with
ANSI/ASHRAE Standard 62.1 Ventilation for Acceptable Air Quality.
Two Models Available:
and allows outside ventilation air, up to 50% of the total air flow
rating of the unit, to be introduced through the air inlet openings. The
CRV shall be modular and easily added or removed from the unit
cabinet. It includes a built-in exhaust air damper. 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. Unit complies with
ANSI/ASHRAE Standard 62.1 Ventilation for Acceptable Air Quality.
Two Models Available:
Spring Return on Power Loss or
Deactivation - Vent Option V
Power Return (will not close on power loss)
– Vent Option P
Deactivation - Vent Option V
Power Return (will not close on power loss)
– Vent Option P
4.4
ENERGY RECOVERY VENTILATOR
OPTIONAL
The Energy Recovery Ventilator (ERV) shall consist of 1 or 2 rotary
wheels in an insulated cassette frame with seals, drive motor and
belt. The ERV assembly shall also include intake and exhaust
blowers. The entire assembly shall easily slide in or out of the unit
cabinet, allowing for maintenance or replacement. The total energy
wheel shall be coated with silica gel desiccant, permanently bonded
without the use of binders or adhesives. The coated segments shall
be washable with detergent or alkaline coil cleaner and water.
Desiccant shall not dissolve or deliquesce in the presence of water
or high humidity. All diameter and perimeter seals shall be provided
as part of the cassette assembly and shall be factory set. Drive belts
shall not require external tensioners or adjustment. Cassette wheels
shall include rims to prevent belts from slipping off wheels. Intake
and exhaust blowers shall have selections of high, medium or low
speed and selected independently, to allow for positive
pressurization if desired. The ERV cassette including parts and
media shall include 5year warranty subject to terms and conditions
of Bard’s warranty.
The ERV thermal performance shall be certified by the manufacturer
in accordance with ASHRAE Standard 84, Method of Testing Air-to
Air Heat Exchangers and ARI Standard 1060, Rating for Air-to-Air
Energy Recovery Ventilation Equipment Cassettes, and shall be
listed in the ARI Certified Products. Unit complies with
ANSI/ASHRAE Standard 62.1 Ventilation for Acceptable Air Quality.
.
wheels in an insulated cassette frame with seals, drive motor and
belt. The ERV assembly shall also include intake and exhaust
blowers. The entire assembly shall easily slide in or out of the unit
cabinet, allowing for maintenance or replacement. The total energy
wheel shall be coated with silica gel desiccant, permanently bonded
without the use of binders or adhesives. The coated segments shall
be washable with detergent or alkaline coil cleaner and water.
Desiccant shall not dissolve or deliquesce in the presence of water
or high humidity. All diameter and perimeter seals shall be provided
as part of the cassette assembly and shall be factory set. Drive belts
shall not require external tensioners or adjustment. Cassette wheels
shall include rims to prevent belts from slipping off wheels. Intake
and exhaust blowers shall have selections of high, medium or low
speed and selected independently, to allow for positive
pressurization if desired. The ERV cassette including parts and
media shall include 5year warranty subject to terms and conditions
of Bard’s warranty.
The ERV thermal performance shall be certified by the manufacturer
in accordance with ASHRAE Standard 84, Method of Testing Air-to
Air Heat Exchangers and ARI Standard 1060, Rating for Air-to-Air
Energy Recovery Ventilation Equipment Cassettes, and shall be
listed in the ARI Certified Products. Unit complies with
ANSI/ASHRAE Standard 62.1 Ventilation for Acceptable Air Quality.
.
5.0 FILTER OPTIONS - (Select One)