12
P/N 30149, Rev. G [12/15/2016]
23. OPERATING INSTRUCTIONS (BML)
Before Lighting
1.
Open all supply and return air registers and grilles.
2.
Open all valves in oil pipes.
3.
Turn on electric power supply
To Light Unit
1.
Set thermostat above room temperature to call for
heat. Burner should start. It may be necessary to
press RESET button on primary combustion control
relay.
2.
There is a fan on time delay before circulating fan
is energized. United Technologies 1158-120 has
adjustable fan on time set by selecting dipswitch
combination displayed in Chart 1. Fan on delay can be
set at 30, 60, 90 or 120 seconds.
3.
Set the thermostat below room temperature. Oil burner
stops.
4.
Air circulation blower continues to operate until time off
setting selected on electronic fan timer control times
out. United Technologies 1158-120
has adjustable
fan off time of
2, 3, 4 or 6 minutes.
Fan timer control
adjustments may be altered if air at room registers is
high upon blower start up or shutdown.
5.
Restore thermostat setting to comfortable temperature.
To Shut Down Unit
1.
Set thermostat to lowest possible setting.
2.
Set manual switch (if installed) in electrical power
supply line to "OFF".
24. Operating Instructions (BMLV)
Before Lighting
1.
Open all supply and return air registers and grilles.
2.
Open all valves in oil pipes.
3.
Turn on electric power supply.
To Light Unit
1.
Set thermostat above room temperature to call for
heat. Burner should start. It may be necessary to
press RESET button on primary combustion control
relay.
2.
There is a fan on time delay before circulating fan is
energized. United Technologies 1168-1 has adjustable
fan on/off time delay programmed into ECM motor,
and is set by selecting SW4 DIP switch combination
displayed in Table A-9 page 17. Adjust Fan on/off
delay according to input (nozzle size).
3.
Set thermostat below room temperature. Oil burner
stops.
4.
Air circulation blower continues to operate until blower
off delay setting programmed into ECM motor times
out.
5.
Restore thermostat setting to comfortable temperature.
NOTICE
If furnace is to be shut down for extended period of
time, close oil supply valve to burner.
WARNING
Fire, burn, explosion, asphyxiation hazard.
• Do not start burner when excess oil has
accumulated, furnace is full of vapor, or
combustion chamber is very hot.
• Do not burn garbage or paper in furnace.
• Do not leave paper or rags around furnace.
Failure to follow these instructions could result in
death or serious injury.
!
