2.5 Installation Of The Burner; Venting; Figure 6: Thermostat Wiring, Heating And Air Conditioning; With Ecm Variable Speed Motor - Dettson AMP112SD Guide D'installation Et Manuel Du Propriétaire

Figure 6: Thermostat wiring, heating and air conditioning

with ECM variable speed motor

Figure 7: Thermostat wiring, heating and air

conditioning/heat pump with ECM variable 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.
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;
Also, the
always in the same
3. Install the nozzle (refer to Technical Specifications,
(Table 6);
4. Check the electrode settings;
5. Make the electrical connections;
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 1 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.
Once the burner becomes operational, final 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.
6
WARNING
WARNING
Underwriters Laboratories listed,