Bryant 559B - Manual (Page 4)

DO NOT DRILL HOLES IN SHADED
AREA WHEN INSTALUNG
RECTANGULAR DUCTS
Figure 5
of 6 ft and minimum return duct length of 3 ft. Do not
operate unit longer than 5 minutes without ductwork.
Refer to Bryant Air Distribution Manual, Part 2, for air
duct design.
Flanges are provided on unit for duct connections. See
Figure 2 for connection sizes and Figure 3 for typical duct
installation.
Supply Air Connection in Mobile Home
Connect flexible duct to unit supply air connection at ap­
proximate center of trailer. Install turning vanes in main
supply duct directly above elbow connection, using stan­
dard sheet metal practices.
Return Air Connection in Mobile Home
Purchase or field-fabricate a filter box. Suggested minimum
filter box dimensions are shown in Figure 6. At ap­
proximate center of trailer, cut a return air opening in floor.
Locate opening where it will not be obstructed by furniture.
Size opening to accept filter box. Cut a hole in carpet or
floor covering to sarne size as filter box floor opening. En­
sure electrical wiring or main structural supports are not
accidentally cut. Insert filter box thru floor opening.
Weather-seal floor connection in accordance with good con­
struction practice. Insert filter in filter box, and cover with
return air grille.
Connect flexible duct to filter box. Extend duct from filter
box to unit return air connection. When existing furnace is
kept in system: During heating season, insert sheet metal
panel beneath return air grille and over filter to prevent air
movement thru cooling unit.
When furnace is removed from system, blank-off original
furnace floor connection.
III. CONNECTING CONDENSATE DRAIN
The unit is designed to dispose of accumulated water
through condensate drain hose on unit. It is recommended
that a drain line that includes a trap should be installed to
avoid possibility of abnormal negative fan pressure preven­
ting complete drainage of condensate. If drain connection is
not practical or feasible, a factory-supplied condensate trap
(taped at supply duct connection) must be installed for
proper drainage. See Figure 7.
IV. ELECTRICAL CONNECTIONS
Field wiring must comply with National Electrical Code
and local codes. Install a branch circuit fused disconnect of
adequate size to handle unit current load. Provide separate
fused disconnect for electric heaters.
Voltage to unit during operation must be within ±10% of
voltage indicated on rating plate.
W.-VRNI.N'Ci:
Failure berause of operation of unit on im­
proper line voltage constitutes abuse and is not coveretl by
Brvant warr.mtv.
Figure 6 — Minimum Dimensions-Return
Air Filter Box
Connect line-power leads from fused disconnect(s) to line
power leads located in junction box. Screw connectors,
which are suitable for aluminum or copper wires, are
provided. See Figures 8 and 9. Tape screw connectors after
connections are completed. Table I is provided to assist in­
staller in selecting proper wire and fuse sizes.
Thermostat connections are made to color-coded wires
located in junction box. See Figures 8 and 9. Be sure color-
coded wires not used are adequately and individually taped
at end.
Rgure 7 —Condensate Drain Connection
NOTE: When using Model 883 (P/N 34427D03O) ther­
mostat with optional electric heat package, W and J ter­
minals on thermostat must be jumpered to ensure fan
operation when thermostat is in HEAT position.
V. STARTUP AND ADJUSTMENT
Before starting system, make an initial overall inspection.
1. Check to be sure all wiring connections, including fac­
tory connections, have been completed and are tight.
2. Inspect all supply ducts and grilles to ensure proper
adjustment.
3. Check to ensure air filters are in place.
4. Inspect refrigerant piping for damage or leaks that
might have occurred during shipment.
5. Check for correct position of condenser fan blade in fan
orifice plate. See Figure 4 for setting.
6. Check to ensure all tools and loose parts have been
removed.
7. Check to ensure all panels and covers are in place.
Following initial inspection, unit may be started and ad-
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