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Heat & Glo  • GEM-42B  •  2096-900  Rev. H  •  3/06

1

Model:
GEM-42B

Owner’s Manual

Installation and Operation

• Do not store or use gasoline or other flamma-

ble vapors and liquids in the vicinity of this or
any other appliance.

• What to do if you smell gas

- Do not try to light any appliance

- Do not touch any electrical switch. Do not

use any phone in your building.

- Immediately call your gas supplier from a

neighbor’s phone. Follow the gas supplier’s
instructions.

- If you cannot reach your gas supplier, call

the fire department.

• Installation and service must be performed by

a qualified installer, service agency, or the gas
supplier.

WARNING:  If the information in these

instructions is not followed exactly, a fire
or explosion may result causing proper-
ty damage, personal injury, or death.

This appliance has been supplied with an integral barrier
to prevent direct contact with the fixed glass panel. Do
NOT operate the appliance with the barrier removed.

Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.

HOT! DO NOT TOUCH

.

SEVERE BURNS MAY RESULT.
CLOTHING IGNITION MAY RESULT.

WARNING

• Keep children away.

• CAREFULLY SUPERVISE children in same room as

appliance.

• Alert children and adults to hazards of high

temperatures.

• Do NOT operate with protective barriers open or

removed.

• Keep clothing, furniture, draperies and other

combustibles away.

Glass and other surfaces are hot during
operation and cool down.

DO NOT DISCARD THIS MANUAL

CAUTION

Important operating
and maintenance
instructions included.

This appliance may be installed as an OEM installation in
manufactured home (USA only) or mobile home and must
be installed in accordance with the manufacturer’s instruc-
tions and the manufactured home construction and safety
standard, 

Title 24 CFR, Part 3280 

or 

Standard for Installa-

tion in Mobile Homes, CAN/CSA Z240MH.

This appliance is only for use with the type(s) of gas indi-
cated on the rating plate.

Installation and service of this appliance should be
performed by qualified personnel. Hearth & Home
Technologies suggests NFI certified or factory-trained

professionals, or technicians supervised
by an NFI certified professional.

 

DO NO

DO NO

DO NO

DO NO

DO NO

TTTTT

DISCARD

DISCARD

DISCARD

DISCARD

DISCARD

 

Read, understand and follow
these instructions for safe
installation and operation.

Leave this manual with
party responsible for
use and operation.

Í

In the Commonwealth of Massachusetts:

•  installation must be performed by a licensed plumber

or gas fitter;

See Table of Contents for location of additional
Commonwealth of Massachusetts requirements.

Summary of Contents for GEM-42B

Page 1: ...ppliance Alert children and adults to hazards of high temperatures Do NOT operate with protective barriers open or removed Keep clothing furniture draperies and other combustibles away Glass and other...

Page 2: ...can be found on the rating plate usually located in the control area of the appliance Homeowner Reference Information Heat Glo a of Hearth Home Technologies Inc brand 20802 Kensington Boulevard Lakevi...

Page 3: ...ling Non combustible Facing 19 D Installing Flue Restrictors 20 E Adjusting Pilot Shield 20 Section 8 Installing Vent Pipe A Assembly of Vent Sections 21 B Disassembly of Vent Sections 23 C Installing...

Page 4: ...iters Laboratories Inc UL TYPE Direct Vent Gas Fireplace Heater STANDARD ANSI Z21 88 2002 CSA2 33 M02 UL307B Model U S or Canada Maximum Input BTUH Minimum Input BTUH Orifice Size DMS GEM 42B NG US 0...

Page 5: ...int size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OB STRUCTIONS Inspection The state or local gas inspector of the side wall horizontally vented gas fueled equi...

Page 6: ...The vent system components and trim doors are shipped in separate packages The gas logs may be packaged separately and must be field installed Report to your dealer any parts damaged in shipment parti...

Page 7: ...ppliance Location When selecting a location for your appliance it is important to consider the required clearances to walls see Figure 3 1 Figure 3 1 Appliance Locations A B C D E F G Inches 55 1 4 47...

Page 8: ...To further prevent drafts the wall shield and ceiling firestops should be caulked with high temperature caulk to seal gaps Gas line holes and other openings should be caulked with C Clearances Figure...

Page 9: ...OMBUSTIBLE FACING MATERIAL TOP OF ARCH OPENING in 5 3 2 1 MANTEL LEG Top View 4 1 2 3 4 5 Note Dimension are shown in inches Fire Risk Hearth extension required to protect combustible floors in front...

Page 10: ...er 18 12 to 20 12 7 5 Over 20 12 to 21 12 8 0 Figure 4 1 Figure 4 2 Minimum Height from Roof to Lowest Discharge Opening Termination Locations 4 Measure horizontal clearances from this surface Measure...

Page 11: ...with an overhang are permitted with the dimensions specified for vinyl or non vinyl siding and soffits 1 There must be 3 feet minimum between termination caps 2 All mechanical air intakes within 10 fe...

Page 12: ...ength of straight pipe is allowed between two 450 elbows see Figure 5 1 Figure 5 1 A Vent Table Key The abbreviations listed in this vent table key are used in the vent diagrams Symbol Description V1...

Page 13: ...nch minimum vertical vent before attaching a 90o elbow to the unit NOTE Must have an 18 inch minimum vertical vent before attaching a 90o elbow to the unit V1 Minimum H1 Maximum 1 5 ft 457 mm 2 ft 610...

Page 14: ...mm 4 ft 1 2 m 2 ft 607 mm 7 ft 2 1 m 3 ft 914 mm 10 ft 3 0 m 4 ft 1 2 m 13 3 4 m 5 ft 1 5 m 16 4 9 m 6 ft 1 8 m 17 5 2 m 7 ft 2 1m 22 6 7 m H1 H2 22 ft 6 7 m Max V1 V2 H1 H2 62 ft 18 9 m Max V1 40 FT...

Page 15: ...m 16 ft 4 9 m 6 ft 1 8 m 19 ft 5 8 m 7 ft 2 1 m 22 ft 6 7 m H1 H2 22 ft 6 7 m Max V1 V2 H1 H2 62 ft 18 9 m Max H1 V2 H2 V1 INSTALLED HORIZONTALLY NOTE Must have an 18 inch mini mum vertical vent befo...

Page 16: ...WARNING Do not pack air space with insulation or other materials Failure to keep insulation or other materials away from vent pipe may cause fire B Wall Penetration Framing Figure 6 1 Pipe Clearances...

Page 17: ...e vent pipe Installing Attic Shield Note An additional ceiling firestop is not required if attic shield is used Frame opening for attic shield Attic shield may be installed above or below ceiling see...

Page 18: ...ure 7 1 Remove 5 screws from upper shelf see Figure 7 2 Bend sheetmetal brace away from unit see Figure 7 2 until tabs on shelf are released from standoffs Remove 3 screws at bottom of sheetmetal brac...

Page 19: ...posed insulation plastic and insulation backer WARNING Place the appliance into position Level the appliance from side to side and front to back Shim the appliance as necessary It is acceptable to use...

Page 20: ...a non combustible adhesive to attach tile stone or other non combustible finishing materials per manufacturer s instructions Figure 7 5 Complete Installation of Non combustible Facing Material 1 in 50...

Page 21: ...s together If predrilling holes do NOT penetrate inner pipe Figure 8 2 Lances Figure 8 3 A B Figure 8 4 Figure 8 5 Seams Note Make sure that the seams are not aligned to prevent unintentional disconne...

Page 22: ...he inner and outer flues of the slip section can be cut to the desired length Assembling Minimum Installations MI Sections MI sections are non unitized so that they can be cut to a certain length Cut...

Page 23: ...ipe must be supported every 8 feet after the 25 foot maximum unsupported rise The vent support or plumber s strap spaced 120 apart may be used to do this see Figure 8 9 Horizontal Sections Horizontal...

Page 24: ...the pipe section see Figure 8 13 Installing the Horizontal Termination Cap Vent termination must not be recessed in the wall Siding may be brought to the edge of the cap base Flash and seal as approp...

Page 25: ...Pitch H Min Ft Flat to 6 12 1 0 Over 6 12 to 7 12 1 25 Over 7 12 to 8 12 1 5 Over 8 12 to 9 12 2 0 Over 9 12 to 10 12 2 5 Over 10 12 to 11 12 3 25 Over 11 12 to 12 12 4 0 Over 12 12 to 14 12 5 0 Over...

Page 26: ...around the exposed pipe section and align brackets Insert a bolt provided through the brackets and tighten nut to complete storm collar assembly see Figure 8 17 Slide the assembled storm collar down t...

Page 27: ...ce provided the hole in the outer wrap does NOT exceed 2 1 2 inches in diameter and does not penetrate the firebox NOTE A listed and Commonwealth of Massachusetts ap proved 1 2 inch 13mm T handle manu...

Page 28: ...k with local authorities Ensure that gas line does not come in contact with outer wrap of appliance Follow local codes Incoming gas line should be piped into the valve com partment and connected to th...

Page 29: ...e connected to this appliance Please reference the WSK MLT instruc tions for specific installation and operating instructions Use the wire provided with this product to connect the wall switch with th...

Page 30: ...AT Connection AUX BLACK Ground Pigtail Green FAN CONNECTION Flame High Low AC Plug Flame On RED RED ORANGE BLACK ORANGE RED BLACK 3V DC YELLOW YELLOW FACTORY CONNECTED TOGETHER FRONT VIEW IPI Valve OR...

Page 31: ...er plate to the outer shell If the box is being wired from the INSIDE of the appliance Remove the screw attaching the junction box to the outer shell rotate the junction box inward to disengage it fro...

Page 32: ...of opening Figure 11 1 Clearances to Mantels or other Combustibles above Appliance Fire Risk Do NOT obstruct air inlet or outlet grilles Do NOT modify grilles Modifying or covering grilles could caus...

Page 33: ...plate Asteel template GEM42 Template is available for purchase to use instead of contructing a template Non combustible facing material is supplied with this appliance This material extends from the h...

Page 34: ...h extension required to protect combustible floors in front of appliance WARNING An 8 inch minimum hearth extension must be constructed of non combustible material D Hearth Extension A B Figure 11 7 H...

Page 35: ...m above the base of the appliance see Fig ure 6 2 Install the interior firestop with the hole towards the top Secure the firestop to wall framing members Reference the Heat Out kit instructions for th...

Page 36: ...r the floor of the unit Embers CANNOT be placed directly over ports Care should be taken not to cover the lighting trail of ports from back to front When placing Glowing Embers onto the burner care sh...

Page 37: ...by aligning the notches on the bottom of log 1 with tabs A and B as shown The right side should be positioned so there is a gap between the log and burner STEP 1 Remove grate which is shipped on top...

Page 38: ...TEP 3 LOG 2 SRV371 701 Position log 2 on the log grate by aligning the notch located on the bottom of log 2 with tab D The right side of the log should touch log 1 as shown 2 2 3 3 STEP 5 LOG 4 SRV371...

Page 39: ...703 Locate the notch on the underside of log 5 Place the log so that the notch fits onto the right tab on log 1 Position the front end of log 5 so it rests on log 2 as shown 5 5 STEP 7 LOG 6 SRV371 70...

Page 40: ...or other noncombustible materials can be used to cover up the gap between the sheet rock and the appliance Do not obstruct or modify the air inlet outlet grilles When overlapping on both sides leave e...

Page 41: ...operate the appliance with the protective barrier removed Contact your dealer or Hearth Home Technologies if the barrier is not present or help is needed to properly install one Glass door must be in...

Page 42: ...ury or property dam age Refer to the owner s informa tion manual provided with this ap pliance This appliance needs fresh air for safe operation and must be in stalled so there are provisions for adeq...

Page 43: ...r if appliance will not be used for an extended period of time Property damage possible from elevated temperatures CAUTION Fire Hazard Keep combustible materials gasoline and other flammable vapors an...

Page 44: ...ection in wiring configuration or wiring harness Remove and reinstall the wiring harness that plugs into module Verify there is a tight fit Verify pilot assembly wiring to module Remove and verify con...

Page 45: ...or wall switch in ON position Hold ground wire about 3 16 inch away from I terminal on module If there is no spark at I terminal module must be replaced If there is a spark at I terminal module is fi...

Page 46: ...ndle glass assembly with care NOTE Clean glass after initial 3 4 hours operation Longer operation without cleaning glass may cause a permanent white film on glass CAUTION When cleaning glass door Avoi...

Page 47: ...sooting Correct as necessary Firebox 1 Inspect for paint condition warpage corrosion or perforation Sand and repaint as necessary 2 Replace appliance if firebox has been perforated Burner Ignition and...

Page 48: ...40 17 32 1029 5 L 41 3 4 1063 E 35 9 32 896 2 M 20 7 8 532 F 1 25 N 8 204 G 2 51 O 3 76 H 4 1 2 116 P 5 1 4 133 Appliance Dimensions Table A Appliance Dimensions Diagram Dimensions are actual applianc...

Page 49: ...DVP24MI 3 to 24 10 1 2 in 10 7 8 in 45 7 3 8 in 11 3 8 in 1 1 4 in 9 1 4 in 13 1 4 in 1 2 in TYP DVP90 DVP90ST 90 Elbow 10 in 1 in 12 in 14 in 1 in 8 in 6 in 10 in 1 1 2 in 5 in 12 in UP 10 in 24 in...

Page 50: ...Cap Effective Length Effective Length TRAP1 4 1 8 in 5 5 8 in TRAP2 6 3 4 in 10 5 8 in Wall Shield Firestop Heat Shield DVP TRAP1 DVP TRAPK1 Horizontal Termination Cap Kit DVP90ST Wall Shield Firestop...

Page 51: ...n 27 1 2 in RF6M Roof Flashing Multi pak 31 in 24 5 8 in 13 1 4 in RF12M Roof Flashing Multi pak BEK Trap Cap Brick Extension 13 3 4 in 5 in 13 3 4 in 7 1 4 in 5 1 4 in 12 1 2 in DVP TVHW Vertical Ter...

Page 52: ...96 900 Rev H 3 06 52 11 10 6 7 9 8 C Service Parts Part number list on following page 5 Log Set Assembly NG LP Exploded Parts Diagram GEM 42B Beginning Manufacturing Date 7 05 Ending Manufacturing Dat...

Page 53: ...g 5 SRV371 703 11 Log 6 SRV371 705 12 Top Heat Shield 371 140 Junction Box 4021 013 Battery Pack 593 594A Fan Kit GFK 160A Mineral Wool 050 721 Wall Switch Keypad HTI 12 007 Control Box HTI 13 007 Sol...

Page 54: ...0 501 3 Flexible Gas Connector 2005 009 4 Wire Assembly 593 590A 5 Pilot Assembly NG 2095 009 5 Pilot Assembly LP 2095 010 6 Pilot Bracket 370 165 7 Module 593 592 8 Valve Bracket 370 155 9 Flex Ball...

Page 55: ...vered by this warranty unless expressly authorized and approved by HEAT GLO in writing 6 Any damages caused by environmental conditions inadequate ventilation or drafting caused by tight sealing const...

Page 56: ..._________________________________________________ _______________________________________________________________________________ Printed in U S A Copyright 2006 DO NOT DISCARD THIS MANUAL CAUTION Imp...

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