Installation Of The Burner; Venting; Figure 7: Thermostat Wiring, Heating And Air Cond. Heat Pump With Ecm V. Speed Motor - Bryant OBM098 Installation Instructions Manual

Multipoise oil furnace input capacities 70,000 ---98,000
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Figure 7: Thermostat wiring, heating and air cond. heat
pump with ECM v. speed motor
Note: On units with 2 stage cooling or heat pump, terminal Y1
must be used. When Y1 on the electronic control receives a 24
VAC signal, the air flow is reduced by 20%. Do not use
terminal Y1 with a single stage cooling or heat pump.

2.5 INSTALLATION OF THE BURNER

Refer to the burner manufacturer's instructions. Also, the
burner
must
be
installed
independently of the furnace orientation.
1.
Position the mounting gasket between the mounting
flange and the burner mounting plate. Align the holes in
the burner mounting plate with the studs on the mounting
flange and bolt securely in place.
2.
Remove the burner drawer assembly or the air tube
assembly;
3.
Install the nozzle, refer to Technical Specifications Table
6;
4.
Check the electrode settings;
5.
Make the electrical connections;
always
in
the
same
6.
Complete oil line connections.
2.5.1 Nozzles
The burner comes equipped with an appropriate nozzle.
However, if another size or a replacement nozzle is
required, use the manufacturer's recommended spray
angle and type a shown in Table 6 and based on a pump
pressure of 100 psi.
Always select nozzle sizes by working back from the
desired flow rate at operating pressure and not the nozzle
marking.
2.5.2 Air and Turbulator Settings
Before starting the burner for the first time, adjust the air
and turbulator settings to those listed in this manual, Table
6.
Once
the
adjustments will be required. Refer to section 3 of this
manual.
2.5.3 Post purge delay adjustment
The post purge delay on the oil-fired burners is factory set
to zero second. This delay is applicable for all installations
with chimney venting. For heating units installed with side
wall venting and a burner equipped with this feature, the
post purge delay must be set to 15 seconds. Refer to the
burner control instruction manual and markings for proper
adjustment of the post purge delay.
2.6

VENTING

Poisonous carbon monoxide gas, fire and explosion
hazard.
Read and follow all instructions in this section.
Failure to properly vent this furnace can result in in
death, bodily injury and/or property damage.
To ensure the safe and proper functioning of an oil
furnace, it must always be connected to a flue with
sufficient draft or to an approved side-wall venting system.
In addition, it is strongly recommended to perform a
complete inspection of all the existing venting systems.
Poisonous carbon monoxide gas hazard.
Never install a hand operated damper in the vent pipe.
However,
any
electrically operated automatic type vent damper may
way
be installed if desired. Be sure to follow the
instructions provided with vent damper. Also, read
and follow all instructions in this section of the
manual.
Failure to properly vent this furnace or other
appliances can result in death, bodily injury and/or
property damage.
7
burner
becomes
operational,
WARNING
WARNING
Underwriters
Laboratories
final
listed,

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