Mascot FT Floor Standing Combination Boiler
Page 35
Customer Service and Product Support:
800.900.9276 • Fax 800.559.1583
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
www.Laars.com
Litho in U.S.A. © Laars Heating Systems 1607 Document 4290A
800.900.9276
•
Fax 800.559.1583
(Customer Service, Service Advisors)
20 Industrial Way, Rochester, NH 03867
•
603.335.6300
•
Fax 603.335.3355
(Applications Engineering)
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8
•
905.238.0100
•
Fax 905.366.0130
www.Laars.com
Document 4290A
M
ascot FT Floor-Standing Gas Conversion Kit
pg 2 of 4
MFTCF140
GAS VALVE
GAS INLET PIPE
GAS VALVE
GAS INLET PIPE
MFTCF199
7.
Remove the existing natural gas nozzle or orifi ce. If your unit is a MFTCF199, note that the conical end of the
orifi ce is towards the valve. Save the packing for re-use. See Figure C.
8.
Replace the old Nozzle (or Orifi ce) with the new one for LP (propane).
Re-use the packing from previous.
9.
Return the Gas Inlet Pipe to its original position and tighten the Brass Fittings.
10.
Per
Table B
, set DIP Switch
5 to the ‘OFF’ setting (the #5 DIP switch setting for
LP Propane is the OFF side).
11.
Turn
ON
the GAS and WATER supply to the Mascot FT.
12.
Turn
ON
the Mascot FT.
13.
Connect a manometer to the Manifold Pressure Port. See Figure E. For dual port manometers, use the
positive pressure side. Check for proper manifold gas pressure. Refer to Table C on next page.
14.
Establish a call for heat. You may need to disconnect the outdoor reset if you are making this gas conversion
during warm weather.
6.
Loosen the hex-nuts on the Gas Inlet Pipe and remove the nozzle or orifi ce (See Figure C). Save the Packing
for re-use with the replacement Gas Orifi ce.
NOZZLE
ORIFICE
PACKING
PACKING
MFTCF140
MFTCF199
3.
Using a Phillips screwdriver, remove the 4 screws on the Top Access Panel, and then lift out the Top Access Panel.
4.
Unthread the Front Panel Knob at the top of the front panel and then remove the entire panel. See Figure A.
5.
With the internal components exposed, locate the gas inlet pipe of your model. See Figure B.
Figure C
Figure B
Summary of Contents for MFTCF140
Page 48: ...LAARS Heating Systems Page 46 4 19 Control Board Electrical Diagram SECTION 4 Installation...
Page 65: ...Mascot FT Floor Standing Combination Boiler Page 63 6 2 Fault Tree Analysis 1 Flame detection...
Page 75: ...Mascot FT Floor Standing Combination Boiler Page 73...
Page 78: ...LAARS Heating Systems Page 76 Heat Exchanger MFTCF140...
