52
GAS-FIRED BOILER Boiler Manual
PART 10. START-UP PROCEDURE
FOR YOUR OWN SAFETY READ
BEFORE OPERATING
1. This appliance does not have pilot. It is
equipped with an ignition device which
automatically lights the burner. Do not try to
light the burner by hand.
2. BEFORE OPERATING smell all around the
appliance area for gas. Be sure to smell next
to the floor because some gas is heavier than
air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas
suppliers' instructions.
• If you cannot reach your gas supplier, call
the fire department.
• Turn off gas shutoff valve (located inside
of the Boiler) so that the handle is
crosswise to the gas pipe. If the handle
will not turn by hand, don't try to force or
repair it, call a qualified service
technician. Force or attempted repair
may result in a fire or explosion.
4. Do not use this appliance if any part has been
under water. Immediately call a qualified
service technician to inspect the appliance
and to replace any part of the control system
and any gas control which has been under
water.
5. The Mod Con Boiler shall be installed so the
gas ignition system components are
protected from water (dripping, spraying,
PART 9. START-UP PREPARATION (CONTINUED)
3. Enter the installer Menu following
instructions in Part 11 of this manual.
4. Verify that parameter 15 is set to 0. This
makes the master boiler address 0.
NOTE: The Master Boiler MUST be
addressed as 0.
5. Change parameter 23 from 0 to 1. This
makes it the master boiler.
6. Exit the installer menu
NOTE: The temperature set point of the master
must match the follower boiler set point in order
for the system to operate properly.
3. Follower Boilers
NOTE: READ THE NOTES BELOW
BEFORE PROGRAMMING FOLLOW-
ER BOILERS:
• The boiler addressed as 1 will share its
alarm output with the master boiler
• If one of the follower boilers has an in-
direct fired water heater connected to it,
the address of this boiler must be 2 or
greater.
• It is recommended but not necessary to
address boilers in the order that they
are wired.
• No two boilers can have the same ad-
dress
• It is not required to use all consecutive
address numbers. Example: In a 2 boil-
er system with an indirect connected to
the follower the follower address would
be 2 (address 1 not used)
1. Make sure there is no demand for heat
being supplied to the master boiler
2. Apply power to the follower boiler you
are working on
3. Enter the installer Menu following
instructions in part 11 of this manual
4. Set parameter 15 to 1 for the first
follower, 2 for the second follower, etc.
depending on which boiler you are
programming.
5. Verify that parameter 23 is set to 0. This
makes the boiler be a follower.
6. Exit the installer menu
NOTE: The temperature set point of the follow-
er must match the master boiler set point in
order for the system to operate properly.
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