Intertherm Millivolt DMPFNM-2 Installation Instructions Manual Download Page 21

21

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

Thermopile

TH

TP

TH

TP

Millivolt Wiring Diagram

If any of the original wire as supplied must be replaced, it

must be replaced with

 

Type AWM 105°C – 18 GA. wire.

*OPTIONAL APPLIANCE-MOUNTED ON/OFF SWITCH,

OPTIONAL WALL-MOUNTED ON/OFF SWITCH,

OPTIONAL THERMOSTAT

 OR OPTIONAL REMOTE CONTROL RECEIVER

Factory Wired

Field Wired

Schematic Representation Only

Figure 47

Note: 

Secure Flex

 vent must be attached to

Secure Flex

 terminations only. DO NOT sub-

stitute 

Secure Vent

 terminations or the 

Se-

cure Vent 

adapter for 

Secure Flex

 compo-

nents. The collars of 

Secure Flex

 termina-

tions and adapters have a different diameter
than that used with the 

Secure Vent

 pipe.

Additionally, 

Secure Flex

 components have

an extended length center tube for use in
attaching the flexible vent.

Step 4. MILLIVOLT CIRCUIT WIRING

(

Figure 47 

)

The gas valve is set in place and pre-wired at
the factory.

1

. Select  any of the following optional

controls: appliance-mounted (rocker
switch) or wall-mounted  switch, ther-
mostat, or one of the optional remote
control kits. If appliance-mounted ON/
OFF control is selected, mount it in the
gas valve mounting bracket.

2

. If wall-mounted ON/OFF control or ther-

mostat is selected mount it in a conve-
nient location on a wall near the fireplace.

3

. Wire the control within the millivolt con-

trol circuit  using the 15 feet of 2 conduc-
tor wire supplied with the unit.

Caution:  Do not connect the optional
wall switch to a 120V power supply.

4.

Alternatively, the appliance may be oper-

ated without the use of the controls indi-
cated in step 1, solely  by manipulating
the gas valve control knob. In order to
use this method, twist the free ends of
the two conductor wire (located on top of
the unit) together as shown in 

Figure 47

.

Note: The supplied 15 feet of 2 conductor
wire has one end of each conductor
connected to the gas valve circuit and the
other end of each conductor  placed
loose on top of the unit.

Gas Stub

¹₂

" x

 

³₈

" Flare

Shut-Off Valve

³₈

" Flex Tubing

³₈

" NPT x 

³₈

"

Flare Fitting

³₈

" Nipple

³₈

"

 

Union

³₈

" Close Nipple

³₈

" Shut-Off Valve

¹₂

" x 

³₈

 

" Reducer

Gas
Valve

Gas Flex Line Connector

Figure 49

Figure 48- 

GAS CONNECTION

Turn on gas supply and test for gas leaks using
a soapy water solution. 

Never use an open

flame to check for leaks

.

A.

 Mix a 50% dish soap, 50% water solution.

B.

 Light the appliance (refer to the lighting

instructions provided in the Homeowner's Care
and Operation Instructions).

C.

 Brush all joints and connections with the

soapy water solution to check for leaks. If bubbles
are formed, or gas odor is detected, turn the gas
control knob to the “OFF” position. Either tighten
or refasten the leaking connection and retest as
described above.

D. 

When the gas lines are tested and leak

free, observe the individual tongues of flame
on the burner. Make sure all ports are open
and producing flame evenly across the
burner. If any ports are blocked, or partially
blocked, clean out the ports.

Step 5

CONNECTING GAS LINE

Make gas line connections. All codes require a
shut-off valve mounted in the supply line.

Figure 48 

 illustrates two methods for con-

necting the gas supply. The flex-line method is
acceptable in the U.S., however, Canadian
requirements vary depending on locality. In-
stallation must be in compliance with local
codes.

These appliances are equipped with a gas flex
line for use (where permitted) in connecting
the unit to the gas line.  A gas flex line is
provided to aid in attaching the direct vent
appliance to the gas supply.  The gas flex line
can only be used where local codes permit.
See 

Figure 48

  for flex line description. The

flex line is rated for both natural and propane
gas. A manual shut off valve is also provided
with the flex line.

The gas control valve is located in the lower
control compartment. To access the valve
proceed as follows:

Secure all joints tightly using appropriate
tools and sealing compounds (ensure pro-
pane resistant compounds are used in pro-
pane applications).

The millivolt control valve has a 

³⁄₈

"

(10 mm) NPT thread inlet port.

Open the control compartment access panel,

(Figure 49)

 by actuating the spring-loaded

magnetic catches securing the panel, gently
depressing the outer top corners of the panel
until the catches "pop" the panel free and
allowing it to swing out and down to open.

Piezo Ignitor

Gas Valve

Control

Compartment

Access panel

Hinge Pin

f i r e - p a r t s . c o m

Summary of Contents for Millivolt DMPFNM-2

Page 1: ...lez imm diatement votre fournisseur de gaz depuis un voisin Suivez les instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur de gaz appelez le service dos incendies L installationetse...

Page 2: ...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 F...

Page 3: ...s of the local authorities having jurisdiction and in the USA the latest edition of the National Fuel Gas Code ANSI Z223 1 or in Canada the latest edition of the CAN1 B149 1 and 2 codes WARNING FAILUR...

Page 4: ...ion When the unit is installed with one side flush with a wall the wall on the other side of the unit must not extend beyond the front edge of the unit In addition whentheunitisinstalledinthemiddle of...

Page 5: ...Circuit Wiring Step 5 page 21 Make connection to gas supply Step 6 page 22 Install the log set ver miculite and ceramic fiber chunks Step 7 page 22 Checkout appliance op eration Step 8 page 22 Instal...

Page 6: ...cm minimum H not be installed above a gas service meter regulator assembly within 3 feet 91 4 cm horizontally from the center line of the gas service regulator I clearance to gas service regulator ve...

Page 7: ...LBOWS inches millimeters 7 178 5Z 130 12Z 308 6Z v 159 A Minimum Framing Stud Size is 2x4 41Z x 1054 43B 1108 This dimension can be reduced to 41 inches 1041 mm This results in 0 in 0 mm clearance bet...

Page 8: ...stalled vent seal cap and vent cover plate see Figures 13 and 14 on page 9 in each flue outlet The vent seal cap is not shown in this figure DMPFNM 2 Peninsula 12 305 10 254 TOP VIEW 40Z 1019 3Z x 89...

Page 9: ...being used from inside the firebox loosen the two screws in the keyhole slots of the cover plate and remove the remaining two cover plate securing screws Re move and discard the cover plate Reinstall...

Page 10: ...9 0 0 1 5 5 2 3 5 2 1 7 2 0 0 0 0 7 7 0 3 3 5 7 2 1 0 0 0 7 8 6 3 3 8 2 0 1 0 0 7 8 5 4 3 5 7 8 2 0 0 0 0 1 0 0 1 5 9 4 3 5 2 1 9 2 1 0 0 0 1 0 1 1 2 7 3 1 3 0 0 0 0 8 8 5 6 7 3 5 7 3 1 3 1 0 0 0 8 9...

Page 11: ...See Fig ure 21 for pitched roofs or flat roofs with flat ceilings or Figure 22 for pitched roofs with cathedral ceilings FIGURE 22 Note Trim Thimble Extension To Desired Length And Pitch At The Roof...

Page 12: ...e Support the vertical portion of the venting system every 8 feet 2 4m above the fireplace vent outlet One method of support is by utiliz ing field provided support straps conventional plumber s tape...

Page 13: ...hen using Secure Flex use Firestop Spacer SF4 5BF Figure 30 Rear Vent ONE 90 DEGREE ELBOW Figure 29 Top Vent STRAIGHT Figure 31 Top Vent TWO 90 DEGREE ELBOWS VERTICAL VENT FIGURES TABLES Note Secure V...

Page 14: ...M V m u m i x a M H H H 1 m u m i x a M t e e f m t e e f m t e e f m 1 5 0 3 0 2 0 1 6 0 5 2 5 1 2 0 1 6 0 4 2 2 1 0 1 1 3 3 4 1 9 0 6 6 8 1 5 1 5 6 4 4 2 2 1 8 8 4 2 0 2 2 6 V V 1 H H 1 x a M m 4 2...

Page 15: ...an opening 10 x 10 267 mm x 267 mm inside dimensions about this center refer to Figure 18 on page 11 G Support the vertical run sections See section E on page 12 H Change vent direction At transition...

Page 16: ...ng as described in Step B Assemble the vent system to point where the terminus of the last section is within 7 in 191 mm to 11 in 298 mm inboard of the exterior surface to which the SV4 5 HTS terminat...

Page 17: ...lex use Firestop Spacer SF4 5HF E L B A T F w o b l e e e r g e d 0 9 e n 0 V x a M m 4 1 9 0 t e e f 3 H Figure 38 Rear Vent NO ELBOWS Figure 39 Top Vent ONE 90 DEGREE ELBOW ELBOW CONNECTION AT APPLI...

Page 18: ...l Firestop Spacer SV4 5HF Ceiling Firestop Spacer SV4 5BF Note When using Secure Flex use Firestop Spacer SF4 5BF V H H1 Wall Firestop Spacer SV4 5HF Wall Firestop Spacer SV4 5HF When using Secure Fle...

Page 19: ...0 3 0 5 2 5 1 2 0 1 6 0 0 1 1 3 3 4 1 9 0 5 1 5 6 4 4 2 2 1 0 2 2 6 H H 1 x a M m 2 6 t e e f 0 2 V V 1 H H 1 x a M m 4 2 1 t e e f 0 4 V H2 H1 H Wall Firestop Spacer SV4 5HF When using Secure Flex u...

Page 20: ...r clock wise running the dimples down and along the incline channels until they seat at the end of the channels B Install the Outer Flex Pipe 1 Installthelargegearclamplooselyaround the outer flexible...

Page 21: ...x Reducer Gas Valve Gas Flex Line Connector Figure 49 Figure 48 GAS CONNECTION Turn on gas supply and test for gas leaks using a soapy water solution Never use an open flame to check for leaks A Mix a...

Page 22: ...instruction labels at tached to the gas control valve To access the label see the procedure on the previous page described for accessing the gas control valve When first lighting the appliance it wil...

Page 23: ...e and sooting Proper flame appearance is a matter of taste Generally most people prefer the warm glow of a yellow to orange flame Appliances operated with air shutter openings that are too large will...

Page 24: ...nter the room It is especially important to insulate outside chase cavity between studs and under floor on which appliance rests if floor is above ground level d e t s i L t n e V e r u c e S s l e d...

Page 25: ...3 t f 2 1 1 0 L 7 8 K R H F S x e l F h t i w t i K r e s i R l e k r o n S d n a x e l F f o n o i t c e s a r e t p a d A s p m a l C r a e G 1 8 K 0 1 P M F S e r u t a r e p m e T i H k c a l B c...

Page 26: ...S SAVOIRLAJURIDICTION SIL INFORMATION DANS CETTE INSTRUCTION N EST PAS SUIVIE EXACTEMENT UN FEU EXPLOSION OU PRODUCTION DE PROTOXYDEDECARBONEPEUTR SULTERLEDOMMAGES CAUSER DE PROPRI T PERTE OU BLESSURE...

Page 27: ...Step 5 Attach manometer to the manifold side pressure test fitting and verify manifold pressurereads10 0incheswatercolumn 2 49 kPa for propane gas Step 6 Refer to Figure 57 and remove the pilot hood a...

Page 28: ...2002 The manufacturer reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors styles and products Consult your local dist...

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