2
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Figure 1
DMPFNM-2
DMSTNM-2
Millivolt Models -
Millivolt models come standard with the
manually-modulated gas valve; flame ap-
pearance and heat output can be con-
trolled at the gas valve.
Input of millivolt models is shown in the
following table:
These appliances comply with National Safety
Standards and are tested and listed by Warnock
Hersey (Report No. J20006712) to ANSI
Z21.88-2000 (in Canada, CSA-2.33-2000), and
CAN/CGA-2.17-M91 in both USA and Canada,
as vented gas fireplace heaters.
These appliances are listed by Warnock
Hersey for installation in bedrooms and
mobile homes.
Installation must conform to local codes. In the
absence of local codes, installation must com-
ply with the current National Fuel Gas Code,
ANSI Z223.1. (In Canada, the current CAN-1
B149 installation code.) Electrical wiring must
comply with the National Electrical Code ANSI/
NFPA 70 - (latest edition). (In Canada, the
current CSA C22-1 Canadian Electrical Code.)
For additional installation requirements when
these appliances are to be installed as an OEM
installation in a manufactured home, refer to
the manufactured home construction and safety
standard,
Title 24, Part 3280 CFP
or standard
for
Installation in Mobile Homes, CAN/CSA
Z240MH
.
TABLE OF CONTENTS
Packaging ........................................ page
2
Introduction ..................................... page
2
General Information ......................... page
2
Location .......................................... page
3
Appliance and Vent Clearances ....... page
4
Vent Termination Clearances ........... page
4
Typical Installation Sequence .......... page
5
Detailed Installation Steps ............... page
5
Step 1. Framing ............................. page
5
Fireplace Specifications ................... page
8
Step 2. Routing Gas Line ............... page
9
Step 3. Install the Venting System . page
9
Vertical Termination Systems .......... page 10
Vent Section Length Chart ............... page 10
Vertical Vent Tables and Figures ..... page 13
Horizontal Termination System ........ page 15
Horizontal Vent Tables and Figures . page 17
Venting Using Flexible Vent Pipe ..... page 20
Step 4. Millivolt Circuit Wiring ....... page 21
Step 5. Connecting Gas Line ......... page 21
Step 6. Installing Logs ................... page 22
Step 7. Checking Unit Operation ..... page 22
Step 8. Installing Glass Enclosure Panels
.......................................... page 22
Step 9. Burner Adjustments ........... page 23
Step 10. Hood Installation ............... page 23
Finishing Requirements ................... page 23
Cold Climate Insulation ................... page 24
Installation Accessories ................... page 24
Gas Conversion Kits .................. page 26
TYPICAL INSTALLATION
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR
ITS COMPONENTS. ANY MODIFICATION OR
ALTERATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.
INTRODUCTION
These vented gas fireplace heaters are sealed
combustion, air circulating gas fireplaces de-
signed for residential applications. These ap-
pliances must be installed with the
Secure
Vent
™ and /or
Secure Flex
™
vent systems
routed to the outside atmosphere.
These millivolt appliances are designed to
operate on natural or propane gas. They come
from the factory setup for natural gas. A natural
to propane gas conversion kit is supplied with
the fireplace with conversion instructions pro-
vided on
page 26
. A millivolt gas control valve
with piezo ignition system provides safe and
efficient operation.
PACKAGING
The assembled vented gas fireplace heater is
packaged with:
1- one log set, with one plastic bag of vermicu-
lite, is packaged in a carton located within
the firebox.
2- one plastic bag of glowing embers and one
plastic bag of decorative volcanic stone
is located in the bottom compartment.
3 - one envelope containing the literature
package which consists of the homeowner's
manual, installation instructions, warranty,
LP/Propane conversion kit and 8 (DMSTNM-
2), 4 (DMPFNM-2) nailing flanges; envelope
is located in the control area.
4 - one vent restrictor to be applied as shown on
page 9
; restrictor is taped to the envelope.
5 - two hoods (DMSTNM-2), or three hoods
(DMPFNM-2) taped to the top of the fireplace.
GENERAL INFORMATION
Note:
Installation and repair should be per-
formed by a qualified service person. The appli-
ance should be inspected annually by a quali-
fied professional service technician. More fre-
quent inspections and cleanings may be re-
quired due to excessive lint from carpeting,
bedding material, etc. It is imperative that the
control compartment, burners and circulating
air passage ways of the appliance be kept clean.
S'assurer que le brùleur et le compartiment des
commandes sont propres. Voir les instruc-
tions d'installation et d'utilisation qui
accompagnent l'appareil.
Provide adequate clearances around air open-
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front, back and/or side viewing surfaces of
the appliance.
These appliances are designed to operate on natural
or propane gas only. The use of other fuels or
combination of fuels will degrade the performance
of this system and may be dangerous.
This installation manual will help you achieve a
safe, efficient and dependable installation for
your appliance and vent system.
Please read
and understand these instructions be-
fore beginning your installation.
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