Factory Option Thru- - Base Connections; Units Without Thru- - Base Connections; Field Control Wiring; Thermostat - Bryant 551J*07A/G Series Installation Instructions Manual

UNIT CONNECT
VOLTAGE AS CONNECTIONS
208, L1: RED +YEL
240
230 L2: BLU + GRA
L1: RED
Splice BLU + YEL
460 480
L2: GRA
L1: RED
575 600
L2: GRA
Fig. 23 - - Powered Convenience Outlet Wiring
Duty Cycle: the unit- - powered convenience outlet has a
duty cycle limitation. The transformer is intended to
provide power on an intermittent basis for service tools,
lamps, etc; it is not intended to provide 15- - amps loading
for continuous duty loads (such as electric heaters for
overnight use). Observe a 50% limit on circuit loading
above 8- - amps (i.e., limit loads exceeding 8- - amps to 30
minutes of operation every hour).
Test the GFCI receptacle by pressing the TEST button on
the face of the receptacle to trip and open the receptacle.
Check for proper grounding wires and power line phasing
if the GFCI receptacle does not trip as required. Press the
RESET button to clear the tripped condition.
Fuse on power type: The factory fuse is a Bussman
"Fusetron" T- - 15, non- - renewable screw- - in (Edison base)
type plug fuse.
Using unit- - mounted convenience outlets: Units with
unit- - mounted convenience outlet circuits will often
require that two disconnects be opened to de- - energize all
power to the unit. Treat all units as electrically energized
until the convenience outlet power is also checked and
de- - energization is confirmed. Observe National Electrical
Code Article 210, Branch Circuits, for use of convenience
outlets.
Factory Option Thru- - Base Connections —
This service connection kit consists of a
bulkhead connector and a
connector, all factory- - installed in the embossed (raised)
section of the unit basepan in the condenser section. The
3
/ - - in. bulkhead connector enables the low- - voltage
4
C08283
PRIMARY TRANSFORMER
TERMINALS
H1 + H3
H2 + H4
H1
H2 + H3
H4
H1
H2
1
/ - - in. electrical
2
3
/ - - in. electrical bulkhead
4
control wires to pass through the basepan. The
electrical bulkhead connector allows the high- - voltage
power wires to pass through the basepan. See Fig. 24.
Fig. 24 - - Thru- - Base Connection Fittings
Check tightness of connector lock nuts before connecting
electrical conduits.
Field- - supplied and field- - installed liquid tight conduit
connectors and conduit may be attached to the connectors on
the basepan. Pull correctly rated high voltage and low
voltage through appropriate conduits. Connect the power
conduit to the internal disconnect (if unit is so equipped) or
to the external disconnect (through unit side panel). A hole
must be field cut in the main control box bottom on the left
side so the 24- - v control connections can be made. Connect
the control power conduit to the unit control box at this hole.
Units Without Thru- - Base Connections —
1. Install power wiring conduit through side panel open-
ings. Install conduit between disconnect and control
box.
2. Install power lines to terminal connections as shown
in Fig. 16.
Field Control Wiring —
The 551J unit requires an external temperature control
device. This device can be a thermostat emulation device
provided as part of a third- - party Building Management
System or the RTU Open controller (RTU Open controller
is available as factory- - installed option only).
Thermostat —
Select a Bryant- - approved accessory thermostat. When
electric heat is installed in the 551J unit, the thermostat
must be capable of energizing the G terminal (to energize
the Indoor Fan Contactor) whenever there is a space call
for heat (energizing the W1 terminal). The accessory ther-
mostats listed on the unit price pages can provide this signal
but they are not configured to enable this signal as shipped.
Install the accessory thermostat according to installation
instructions included with the accessory.
Locate the thermostat accessory on a solid wall in the
conditioned space to sense average temperature in
accordance with the thermostat installation instructions.
If the thermostat contains a logic circuit requiring 24- - v
power, use a thermostat cable or equivalent single leads of
18
1
/ - - in.
2
LOW VOLTAGE
CONDUIT
CONNECTOR
HIGH VOLTAGE
CONDUIT
CONNECTOR
C13412