10
2.13.3 Air Conditioner (or Heat Pump)
3.2 OPERATING
SEQUENCE
OIL
HEATING
MODE
An air conditioning coil may be installed on the supply air side
ONLY.
1.
The W-R contact closes;
2.
The burner motor starts up to pre-purge the
combustion chamber for a period of 10 to 15
seconds. During that time a spark is established on
the electrodes;
WARNING
Poisonous carbon monoxide gas hazard.
3.
The solenoid valve opens and a flame is established.
Shortly after, the electrodes cease to spark;
Install the evaporator coil on the supply side of the
furnace ducting ONLY.
4.
Then the blower runs up to full speed. The delay
depends on the adjustments that were made on the
electronic board, which controls the blower motor.
Refer to Sections 2.11 and 2.12, as well as the CFM
tables 7 and 8 for more details.
An evaporator coil installed on the return air side of the
ducting can cause condensation to form inside the heat
exchanger, resulting in heat exchanger failure. This in
turn, can result in death, bodily injury and/or property
damage.
5.
When the call for heat is satisfied, the solenoid valve
closes, the flame goes out and the burner motor
stops (after post purge delay, if applicable).
A clearance of 15 cm (6") is required between the bottom of
the coil drain pan and the top of the heat exchanger. If a heat
pump is installed, a “dual-energy” thermostat, or other control
is recommended, in order to prevent the simultaneous
operation of the furnace and the heat pump. It also prevents a
direct transition from heating by way of the heat pump to
heating with oil. Refer to the thermostat instructions or those of
another control used for the proper wiring.
6.
The blower stops shortly after the burner. The delay
depends on the adjustments that were made on the
electronic board that controls the blower. Refer to
Sections 2.11 and 2.12, as well as the CFM tables 7
and 8 for more details.
Note: A detailed operating sequence of the oil burner is
outlined in the instructions provided with the burner.
3.3 CHECKS
AND
ADJUSTMENTS
3 OPERATION
3.3.1
Purging the oil line
3.1 START-UP
Open the bleed port screw and start the burner. Allow the
oil to drain into a container for at least 10 seconds. The oil
should flow absolutely free of white streaks or air bubbles
to indicate that no air is being drawn into the suction side
of the oil piping and pump. Slowly close and tighten the
bleed screw. Once closed, the flame will light up.
Before starting up the unit, be sure to check that the following
items are in compliance:
1.
The electrical installation, the oil supply system, the
venting system, combustion air supply and ventilation;
2.
The blower access door is in place and the blower rail
locking screws are well tightened;
3.3.2 Pressure
adjustment
3.
The Blocked Vent Shut-Off (BVSO) is installed according
to instructions (for chimney venting);
The oil pressure must be adjusted according to the
Technical Specifications of this manual. An adjustment
screw and a connection for a pressure gauge are located
on the oil pump for that purpose. Also refer to the burner
instruction manual.
4.
The oil supply valve is open;
5.
The burner ‘’Reset’’ button is well pushed in or re-armed;
6.
The preliminary air adjustments on the burner
comply
with the technical specifications in this manual;
7.
The blower speed adjustments for heating and air
conditioning are appropriate and according to the
specifications in this manual;
8.
The blower start/stop delays are satisfactory;
9.
The thermostat of the room is in the heating mode and is
set higher than the ambient temperature.
To start the unit, turn the main electrical switch on.
Содержание AMP098SD
Страница 17: ...Figure 9 Furnace dimensions 17 ...
Страница 18: ...Figure 10 Wiring diagram 4 speed motor PSC 18 ...
Страница 19: ...Figure 11 Wiring diagram variable speed motor ECM 19 ...
Страница 20: ...Figure 12 Parts list with 4 speed motor PSC 20 B50064H ...
Страница 22: ...Figure 13 Parts list with variable speed motor ECM 22 B50074H ...