Section 9 – Operation
International Thermal Reseach 9-3
9.2 Starting the Heater
Never attempt to start the heater
without the burner faceplate securely
fastened to the burner box
Do not operate the Oasis
®
Zephyr Heating System until it is
filled with a suitable heat-transfer (water/anti-freeze) solution
and all trapped air has been bled or removed.
The major steps in starting the heater are as follows:
For TouchScreen Remote functions, refer to the “Touchscreen
Remote (V2001) Quick Operation Guide” supplied with the touch
screen.
1.
On the Touchscreen Remote, touch the ON button.
2.
Turn up the zone thermostat to a setting higher than room
temperature.
3.
Start the heater by switching the service switch to ON. This
switch is located on the side of the electronic control box.
9.3 Signs of Normal Operation
When the heater is operating normally:
·
When the service switch on the side of the control box is
switched ON and the ON button is illuminated on the
Touchscreen Remote, the combustion air intake fan will run for
a brief period together with the circulating pump. (Whenever
the combustion fan is running, the pump is also running, the
green LED at the bottom of the LED display indicates the pump
is running).
·
The combustion fan will shut off briefly, the ignitor turns on, the
fuel pump starts delivering fuel to the regulator, the compressor
turns ON, the fuel solenoid opens, and fuel is drawn to the air
aspirating nozzle. The atomized fuel is ignited while being
sprayed into the combustion chamber to start combustion.
After the ignition period (about 10 seconds), the igniter shuts OFF,
and the burner continues to operate. The heater will operate until
all the zone thermostats are satisfied, or until the heater reaches its
normal cycling temperature of approximately 180°F. Once the
cycling temperature is reached, the burner will cycle off and the
! DANGER
! WARNING
