Carrier UPFLOW 58BTA - Manual (Page 6)

Oil Connections:
Complete instructions for installation of the fuel oil piping
will be found in the oil burner installation instructions
included with the furnace.
Oil line entry holes are produced in the side panels and
top panel. Two holes are provided in each location, so
that a two-pipe system may be used if desired. See
Figure 1 below.
WARNING
TTie unit cabinet must have an uninterrupted or
unbroken electrical ground to minimize personal injury
if an electrical fault should occur. A green ground
screw is provided in the control box for this
connection.
Use copper wire only for 115V supply service to unit.
Metallic conduit (where required/used) may terminate at
the side panel of the unit. It is not necessary to extend
the conduit inside the unit from the side panel to the
control box.
When replacing any original furnace wiring, use only 105
degree C, 16 AWG copper wire.
Instructions for wiring the thermostat are packed in the
thermostat (field supplied) box. Make the thermostat
connections as shown in Figure 10 at the 24 volt terminal
board on the control box.
Oil Connection Entry Holes
Figure 1
An oil filter should be used with all oil burners, installed as
close as possible to the burner.
When installing optional accessories to this appliance,
follow the manufacturer's installation instructions included
with the accessory. Other than wiring for the thermostat,
wire with a minimum of type "T" insulation (63°F rise)
must be used for accessories.
Filters:
Barometric Draft Control:
The barometric draft control shipped with the furnace
must be used with the furnace to insure proper operation.
Instructions for installing the control are packed with the
control. Refer also to Figure 8 on page 14 for suggested
locations.
Electrical:
The appliance must be installed In accordance with
current ANSI/NFPA 70 National Electrical Code, CSA
C22.1 Canadian Electrical Code Part 1 and/or local
codes.
The control system depends on the correct polarity of the
power supply. Connect "HOP' wire (H) and "NEUTRAL"
wire (N) as shown in Figure 10.
A separate line voltage supply should be used with a
fused disconnect switch or circuit breaker between the
main power panel and the unit. See Figure 10.
An external filter rack is provided as standard equipment
with this furnace. The assembly and installation of this
filter rack is shown in Figure 9.
To Change from Upflow to Horizontal:
• Remove the burner from the unit by removing the
three burner mounting nuts. Prevent putting
undue strain on burner wiring. (It may be
necessary to disconnect the burner wiring in
some cases.)
Note that the three burner mounting studs are in
the "nine, twelve, and three" o'clock positions on
the burner mounting plate.
Place the furnace in the installation position (i.e.,
on its side). Remove the burner mounting stud
that is now in the six o’clock position (See
Illustrations A & B). Reinstall the stud in the
other open position on the mounting plate, so that
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