Laars mascot ft MFTHW Installation And Operation Instructions Manual page 40

Page 38
M
ascot FT, Heating Only, Gas Conversion Kit
4.13 Natural Gas to Propane Conversion (continued)
3.
Using a Phillips screwdriver, remove the 4 screws on the front cover. See Figure A.
GAS
VALVE
GAS
INLET PIPE
80/100120/140
( MFTHW
4.
Locate the Gas Inlet Pipe at the top of the unit as is shown in Figure A, and loosen the Brass Fittings at both ends
of the Gas Inlet Pipe.
5.
Completely un-thread the Brass Fittings at the blower end of the Gas Inlet Pipe, and then carefully swing the Gas
Inlet Pipe to the left, just enough so that it is out of the way. See Figure B.
NOZZLE
PACKING
BRASS FITTINGS
80/100/120/140
( MFTHW
6.
Remove the existing Natural Gas Nozzle (or Orifi ce). Save the Packing for re-use.
7.
Replace the old Nozzle (or Orifi ce) with the new one for LP (propane). Re-use the Packing from previous.
8.
Return the Gas Inlet Pipe to its original position and tighten both of the Brass Fittings.
COMBUSTION
TEST PORT
BLOWER
COVER
)
Figure B
)
Customer Service and Product Support:
800.900.9276 • Fax 800.559.1583 20 Industrial Way, Rochester, NH, USA 03867 • 603.335.6300 • Fax 603.335.3355
Headquarters:
20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130
www.Laars.com
www.Laars.com
GAS
VALVE
GAS
INLET PIPE
COVER
Figure A
( MFTHW
PACKING
BRASS FITTINGS
( MFTHW
800.900.9276 • Fax 800.559.1583
(Customer Service, Service Advisors)
Litho in U.S.A. © Laars Heating Systems 1607 Document 4296B
LAARS Heating Systems
Document 4296B
COMBUSTION
TEST PORT
BLOWER
)
199
Flat Side
Inward
ORIFICE
)
199
(Applications Engineering)
pg 2 of 4