Bryant Legacy Line Series Manual page 54

GUIDE SPECIFICATIONS (CONT)
10. Unit-Mounted, Non-Fused Disconnect Switch
(Available on units with MOCPs of 80 amps or
less):
a. Switch shall be factory installed, internally
mounted.
b. National Electric Code (NEC) and UL approved
non-fused switch shall provide unit power shutoff.
c. Shall be accessible from outside the unit.
d. Shall provide local shutdown and lockout
capability.
11. Convenience Outlet:
a. Powered convenience outlet. (3 Phase Models
Only)
1) Outlet shall be powered from main line
power to the rooftop unit.
2) Outlet shall be powered from line side or
load side of disconnect by installing con-
tractor, as required by code. If outlet is
powered from load side of disconnect, unit
electrical ratings shall be UL certified and
rated for additional outlet amperage.
3) Outlet shall be factory installed and inter-
nally mounted with easily accessible 115-v
female receptacle.
4) Outlet shall include 15 amp GFI recepta-
cles with independent fuse protection.
5) Voltage required to operate convenience
outlet shall be provided by a factory
installed step-down transformer.
6) Outlet shall be accessible from outside the
unit.
7) Outlet shall include a field-installed "Wet
in Use" cover.
b. Non-powered convenience outlet.
1) Outlet shall be powered from a separate
115/120-v power source.
2) A transformer shall not be included.
3) Outlet shall be factory installed and inter-
nally mounted with easily accessible 115-v
female receptacle.
4) Outlet shall include 15 amp GFI recepta-
cles with independent fuse protection.
5) Outlet shall be accessible from outside the
unit.
6) Outlet shall include a field installed "Wet in
Use" cover.
12. Flue Discharge Deflector:
a. Flue discharge deflector shall direct unit
exhaust vertically instead of horizontally.
b. Deflector shall be defined as a "natural draft"
device by the National Fuel and Gas (NFG)
code.
13. Thru-the-Base Connectors:
a. Kits shall provide connectors to permit gas and
electrical connections to be brought to the unit
through the unit basepan.
b. Minimum of four connection locations per unit.
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14. Propeller Power Exhaust:
a. Power exhaust shall be used in conjunction with
an integrated economizer.
b. Independent modules for vertical or horizontal
return configurations shall be available.
c. Horizontal power exhaust is shall be mounted in
return ductwork.
d. Power exhaust shall be controlled by econo-
mizer controller operation. Exhaust fans shall
be energized when dampers open past the 0-
100% adjustable setpoint on the economizer
control.
15. Roof Curbs (Vertical):
a. Full perimeter roof curb with exhaust capability
providing separate air streams for energy
recovery from the exhaust air without supply air
contamination.
b. Formed galvanized steel with wood nailer strip
and shall be capable of supporting entire unit
weight.
c. Permits installation and securing of ductwork to
curb prior to mounting unit on the curb.
16. High Altitude Gas Conversion Kit:
a. Package shall contain all the necessary hard-
ware and instructions to convert a standard nat-
ural gas unit to operate from 2000 to 7000 ft
(610 to 2134m) elevation with natural gas or
from 0 to 7000 ft (0 to 2134m) elevation with
liquefied propane.
17. Outdoor Air Enthalpy Sensor:
a. The outdoor air enthalpy sensor shall be used to
provide single enthalpy control. When used in
conjunction with a return air enthalpy sensor,
the unit will provide differential enthalpy con-
trol. The sensor allows the unit to determine if
outside air is suitable for free cooling.
18. Return Air Enthalpy Sensor:
a. The return air enthalpy sensor shall be used in
conjunction with an outdoor air enthalpy sensor
to provide differential enthalpy control.
19. Indoor Air Quality (CO
a. Shall be able to provide demand ventilation
indoor air quality (IAQ) control.
b. The IAQ sensor shall be available in duct
mount, wall mount, or wall mount with LED
display. The setpoint shall have adjustment
capability.
20. Smoke detectors (factory-installed only):
a. Shall be a Four-Wire Controller and Detector.
b. Shall be environmental compensated with dif-
ferential sensing for reliable, stable, and drift-
free sensitivity.
c. Shall use magnet-activated test/reset sensor
switches.
d. Shall have tool-less connection terminal access.
) Sensor:
2