PROCEDURE 5—OIL BURNER
This furnace is supplied with a high-pressure atomizing retention head type burner (for use with not heavier than grade 2 fuel oil). The air tube
length, from face of mounting plate to extreme face of end cone, should be as shown in Table 3.
PROCEDURE 6—OIL CONNECTIONS
Complete instructions for installation of fuel oil piping will be found in oil burner Installation Instructions included with furnace.
Oil line entry holes are provided in side panels. Two holes are provided in each location so that a 2–pipe system may be used if desired.
A properly sized oil filter should be used with all oil burners and should be installed as close to burner as possible. For a 2–pipe system, a minimum
capacity of 25 gph is needed.
PROCEDURE 7—BAROMETRIC DRAFT CONTROL
The barometric draft control shipped with furnace MUST be used with furnace to ensure proper operation. Instructions for installing control are
packed with control. Refer to Fig. 6 for suggested locations.
PROCEDURE 8—ELECTRICAL
The appliance must be installed in accordance with current ANSI/NFPA 70 (National Electric Code), CSA C22.1 (Canadian Electrical Code Part
1), and/or local codes.
The control system depends on correct polarity of power supply. Connect HOT wire (H) and NEUTRAL wire (N) as shown in Fig. 7.
A separate line voltage supply MUST be used with a fused disconnect switch or HACR-type circuit breaker between main power panel and unit.
(See Fig. 7.) Disconnecting means must be within sight of furnace.
WARNING: The 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 control box for this connection.
Use only copper wire for 115–v supply service to unit.
Metallic conduit (where required/used) may terminate at side panel of unit. It is not necessary to extend conduit inside unit from side panel to
control box.
When replacing any original furnace wiring, use only 105°C no. 16 AWG copper wire.
Instructions for wiring thermostat (field supplied) are packed in thermostat box. Make thermostat connections as shown in Fig. 7 at 24–v terminal
board on control box.
When installing optional accessories to this appliance, follow manufacturers installation instructions included with the accessory. Other than wiring
for thermostat, wire with a minimum of type “T” insulation (63°F rise) must be used for accessories.
Two 1/4 in. quick-connect terminals marked EAC and N5 are provided for electronic air cleaner (EAC) connection. (See Fig. 7.) These terminals
are energized with 115v (0.5 amp maximum) during blower motor operation.
Two 1/4 in. quick-connect terminal marked HUM and N6 are provided for 115–v humidifier connection. (See Fig. 7.) These terminals are
energized with 115v (0.5 amp maximum) during any call for heat.
PROCEDURE 9—FILTERS
WARNING: Never operate unit without a filter or with filter access door removed. Failure to adhere to this warning
could lead to a hazardous condition which could lead to equipment damage and bodily harm.
An internal filter is provided as standard equipment with furnace. Refer to Maintanance Section, Step 5–Keeping Filters Clean for filter cleaning
information.
OPERATIONAL CHECKOUT
DO NOT START BURNER UNLESS BLOWER ACCESS PANEL IS SECURED IN PLACE.
Install of furnace is now complete and operational checkout may be performed.
PROCEDURE 1—START-UP
1. Check wiring against wiring diagram shown in Fig. 7.
2. Open valve on oil supply line.
3. Reset primary control.
4. Set thermostat above room temperature.
5. Set main electrical switch to ON position. Burner should start.
DO NOT TAMPER WITH UNIT OR CONTROLS — CALL YOUR SERVICE TECHNICIAN.
Table 3–Oil Burner Air Tube Length
UNIT SIZE
LENGTH (IN.)
036105
5
048125
5
060155
7
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