Design Dynamics PFS VF-18P-MHD - Manual (Page 2)

www.fmiproducts.com 116986-01H 2
WARNING: This is an
unvented gas-fired heat-
er. It uses air (oxygen)
from the room in which
it is installed. Provisions
for adequate combustion
and ventilation air must
be provided. Refer to Air
for Combustion and Ven-
tilation section on page 5
of this manual.
This appliance may be in-
stalled in an aftermarket,*
permanently located,
manufactured (mobile)
home, where not prohib-
ited by local codes.
This appliance is only for
use with the type of gas
indicated on the rating
plate. This appliance is
not convertible for use
with other gases.
* Aftermarket: Completion of sale, not for
purpose of resale, from the manufacturer
saFeTy
WARNING: Improper
installation, adjustment,
alteration, service or main-
tenance can cause injury
or property damage. Refer
to this manual for correct
installation and operation-
al procedures. For assis-
tance or additional infor-
mation consult a qualified
installer, service agency or
the gas supplier.
WARNING: This ap-
pliance is for installation
only in a solid-fuel burning
masonry or UL127 factory-
built fireplace or in a listed
ventless firebox enclo-
sure. It is design-certified
for these installations in
accordance with ANSI
Z21.11.2. Exception: Do
not install this appliance
in a factory-built fireplace
that includes instructions
stating it has not been test-
ed or should not be used
with unvented gas logs.
TaBle oF CoNTeNTs
Safety .................................................................. 2
Unpacking............................................................ 4
Product Identification ........................................... 5
Local Codes......................................................... 5
Product Features ................................................. 5
Air For Combustion and Ventilation ..................... 5
Installation ........................................................... 8
Operation ........................................................... 15
Inspecting Burners ............................................ 19 Cleaning and Maintenance ................................ 20
Troubleshooting ................................................. 21
Wiring Diagram .................................................. 24
Replacement Parts ............................................ 25
Service Hints ..................................................... 25
Technical Service............................................... 25
Accessories ....................................................... 25
Parts .................................................................. 26
Warranty ..............................................Back Cover