Geniox NA Product Guide Specification

Systemair
Geniox
Series
Semi Custom AHU
Item#
23
72
13
-
13
d.
Open Drip Proof (ODP) or Totally Enclosed Fan Cooled (TEFC)
e.
Meets the requirements of NEMA MG1 for VFD application and considered as
Inverter Duty motor.
f.
Shall be tested to AMCA 300 Sound performance
g.
Shall be dynamically balanced from the fan manufacturer
h.
Vibration Isolation –Steel Spring Isolators
5.
Variable Frequency Drives (VFD)
a.
All AC fans shall have a VFD to control a variable or constant speed setting
b.
VFD shall be supplied by [air handling unit manufacturer, others mounted in the
field by a third party (contractor)]
c.
Properly sized non fused disconnect and line fuses shall be provided by
[Manufacturer, others mounted in the field by a third party (contractor)] for all
fan/VFD’s.
d.
Units with factory mount controls will include wiring to the motor VFD junction box.
When VFD is supplied by factory all wiring to motors will be complete and ready for
operations when air handling unit is installed
e.
Shall be UL508C & CSA certified and conform to applicable NEMA, ICS, NFPA &
IEC Standards
6.
Separate fans for exhaust and supply blowers.
7.
Differential pressure transducer (Factory Supplied Controls) shall be mounted across
involute of fan to allow constant and variable airflow control.
E.
Energy/Sensible Recovery Wheel
1.
Rotor Matrix: Corrosion-resistant aluminum alloy, composed of alternating corrugated
and flat, continuously wound layers of uniform width that guarantee laminar air flow and
low static pressure loss.
2.
Counter-flow construction type.
3.
Free cooling capacity accomplished by stopping the wheel. Wheel shall not exceed .5
inches of pressure when stopped.
4.
Performance: Certified and listed by AHRI 1060.
5.
Rotor Wheel: 8-10 inch-thick wheel reinforced with spokes, welded at hub and
perimeter to prevent uneven run-out during normal operations.
6.
Enthalpy wheels shall be Corrugated Surfaces: Coated with thin, non-migrating,
adsorbent, Zeolite particles.
7.
Effectiveness of Wheel: Documented in accordance with ASHRAE 84 and AHRI 1060.
8.
Flame Spread Index, Energy Recovery Wheel, UL 723: Not over 25.
9.
Smoke Developed Index, Energy Recovery Wheel, UL 723: Not over 50.
10.
EATR % shall be 5% or less
11.
Bypass Dampers for ERW frost control installed along side the Recovery Wheel will
adhere to the following:
 Factory installed dampers tested in accordance with AMCA 500.
 Dampers shall have airfoil blades, extruded EPDM Seals.
 Dampers shall have a maximum leakage rate of 4 CFM/square foot at 1”
w.g. (CLASS 1), and shall comply with ASHRAE 90.1.
 Provide factory-mounted modulating actuators(if selected) for dampers
to aide Recovery Wheel with frost control.
12.
Frost Control Methodologies
a.
Timed defrost is standard on all units with Factory Controls
b.
Factory Supplied VFD variable speed wheel defrost See VFD for specifications on