Bryant 548J*D Series, Service Manual

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4
FIELD INSTALLED ACCESSORIES
j
Economizer with D
RY
B
ULB
sensing and barometric
relief
Standard Air Leak Dampers —
f
Models with W7212 controller provides standard
non--diagnostic control. EconoMi$er IV.
f
Models with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er X.
f
Models with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er 2.
j
Economizer with E
NTHALPY
sensing and barometric
relief
Standard Air Leak Dampers —
f
Models with W7212 controller provides standard
non--diagnostic control. EconoMi$er IV.
f
Models with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er X.
f
Models with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements. EconoMi$er 2.
j
Economizer with D
RY
B
ULB
sensing and barometric
relief
ULTRA LOW LEAK Air Dampers —
f
Models with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er X.
f
Models with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er 2.
j
Economizer with E
NTHALPY
sensing and barometric
relief
ULTRA LOW LEAK Air Dampers —
f
Models with W7220 controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er X.
f
Models with RTU Open controller meets California
Title 24 (section 120.2) Fault Detection and
Diagnostic (FDD) requirements, has return, outside
air and relief damper leakage that meets Title 24
(section 140.4 and ASHRAE 90.1) requirements.
EconoMi$er 2.
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Display Kit for Variable Frequency Drive (VFD),
2--Speed Indoor Fan Motor System. Allows additional
set up and diagnostics of the unit VFD controller. Can
be unit mounted or used with any other compatible
VFD model as a reusable device
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Power Exhaust — vertical or horizontal
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Electric heat
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Single point kit
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Two--position motorized outdoor air damper
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Manual outdoor air damper 25%
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Manual outdoor air damper 50%
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Roofcurb — 14 inch (356mm) tall
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Roofcurb — 24 inch (610mm) tall
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Time Guard II compressor anti--cycle control
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Outdoor coil hail guard — louvered style
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Low ambient head pressure controller, down to --20
_
F
(--29
_
C)
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Thermostats and Sensors
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Phase Monitor
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Barometric Relief hood (for horizontal economizers)
Economizer Sensors
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Single Dry bulb control
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Differential Dry bulb control
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Single enthalpy control
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Differential enthalpy control
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CO
2
-- wall mounted
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CO
2
-- duct mounted
548J
***D