Regency Gas Insert E21-NG3 Quick start guide

WARNING:
Iftheinformationintheseinstructionsarenotfollowedexactly,
a fire or explosion may result causing property damage,
personal injury or loss of life.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
FOR YOUR SAFETY
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 neighbour's phone. Follow
the gas supplier's instructions.
If you cannot reach your gas
supplier, call the fire department.
FPI FIREPLACE PRODUCTS INTERNATIONAL LTD. 6988 Venture St., Delta, BC Canada, V4G 1H4
918-671c
MODELS: E21-NG3 Natural Gas E21-LP3 Propane
E21 Gas Insert
01/17/12
Owners &
Installation Manual
Tested by: Installer: Please complete the details on the back cover
and leave this manual with the homeowner.
Homeowner: Please keep these instructions for future reference.
www.regency-fire.com

2Regency®E21-3 Gas Fireplace Insert
CONGRATULATIONS!
You are the owner of a state-of-the-art Gas Insert by:
FPI FIREPLACE PRODUCTS INTERNATIONAL LTD.
TheRegency®GasFireplaceSeries hasbeendesignedtoprovideyouwithall thewarmthandcharm
of a fireplace, at the flick of a switch. The models E21-NG3 and E21-LP3 of this series have been
approved by Warnock Hersey for safety. As it also bears our own mark, it promises to provide you with
economy, comfort and security for many trouble free years to follow. Please take a moment now to
acquaint yourself with these instructions and the many features of your Regency®Fireplace.

Regency®E21-3 Gas Fireplace Insert 3
INSTALLATION
40-1/8"
22-11/16"
Low Profile Faceplate Dimensions
9-7/8”
51
* Standard size shown, custom size also available.

4Regency®E21-3 Gas Fireplace Insert
TABLE OF CONTENTS
SAFETY LABEL
Serial No. Decal ...........................................................4
REQUIREMENTS
MA Code - CO Detector ................................................5
INSTALLATION
Before You Start ............................................................7
Important Message ......................................................8
General Safety Information............................................8
Policy for Solid Fuel Burning & Factory Built Fireplaces9
Installation Checklist......................................................9
Minimum Fireplace Clearances.....................................9
Clearances to Combustibles........................................10
Gas Connection...........................................................11
High Elevation .............................................................11
Wiring Diagrams..........................................................12
Flue Connector Installation .........................................13
Gas Pipe Pressure Testing..........................................14
Offset Flue Adaptor......................................................14
Venting.........................................................................14
Combustion and Ventilation Air....................................14
Valve Description.........................................................15
Test for Flue Spillage...................................................15
Optional Brick Panel....................................................15
Gas Insert Aeration system ........................................15
Log Set Installation......................................................16
Faceplate & Trim Installation.......................................20
Flush Glass.................................................................21
Flush Louvers..............................................................21
Optional Bay Front.......................................................22
Bay Louvers.................................................................22
Conversion from NG to LP ..........................................23
Full Screen doors ........................................................26
Low profile faceplate installation..................................28
Low profile hearth trim installation...............................30
Remote Control ...........................................................31
Wall Switch..................................................................31
Wall Thermostat ..........................................................31
Final Check..................................................................32
OPERATING INSTRUCTIONS
Operating Instructions ................................................32
Lighting Procedure ......................................................32
Shutdown Procedure...................................................32
First Fire ......................................................................32
Copy of Lighting Plate Instructions .............................33
Automatic Convection Fan Operation..........................34
Normal Operating Sounds of Gas Appliances.............34
MAINTENANCE
Maintenance Instructions.............................................34
Log Replacement ........................................................34
Glass Gasket...............................................................34
Gold-plated Accessories..............................................34
Door Glass Replacement ............................................35
Removing Valve Assembly..........................................35
Removing the Fan.......................................................35
PARTS LIST
Main Assembly ............................................................36
Burner Assembly & Log Set.........................................37
Bay & Flush Front Assembly .......................................38
Low profile faceplate ...................................................39
Faceplate Assembly ....................................................39
WARRANTY
Warranty ....................................................................44

Regency®E21-3 Gas Fireplace Insert 5
SAFETY LABEL
This is a copy of the label that accompanies
each Regency®Gas Insert. We have printed
a copy of the contents here for your review.
The safety label is located on the front inside
baseof the unitvisiblewhenthe bottom louver
is open.
Note: Regency® units are constantly being
improved.Checkthelabelontheunit
and if there is a difference, the label
on the unit is the correct one.
Please note that with the addition
of thermostat control and outside
combustion air supply, this unit is
approved for bedroom installations.
Listed: VENTED GAS FIREPLACE HEATER Tested to: ANSI Z21.88a-2007/CSA-2.33a-2007, CGA 2.17-M91 Gas fired appliance for use at high altitude. Certified for/Certifee pour: CANADA and U.S.A. 4001172
Model/
Modele:
DO NOT REMOVE THIS LABEL/ NE PAS ENLEVER CETTE ÉTIQUETTE
327
Serial No./
No de Serie
918-672b
Minimum Clearances to Combustibles/ Degagement Minimum Des Materiaux Combustibles: Side of unit to wall / Cote: A 9"/229mm Top of unit to mantle / Au dessus: B 14"/355mm
MADE IN CANADA / FABRIQUE AU CANADA FPI Fireplace Products International Ltd., Delta, B.C., Canada
FIREPLACE INSERT: E21-NG3 E21-LP3 APPAREIL FONCTIONNANT CONCU POUR
Natural Gas (Naturel Gaz) Propane ETRE INSERE DANS UN FOYER Minimum supply pressure 5.0" WC/C.E. (1.25 kPa) 12.0" WC/C.E. (2.99 kPa) Pression d’alimentation minimum Manifold pressure high 3.8" WC/C.E. (0.95 kPa) 11.0" WC/C.E. (2.74 kPa) Pression tublure d'échappement élevée Manifold pressure low 1.1" WC/C.E. (0.27 kPa) 2.9" WC/C.E. (0.72 kPa) Pression tublure d'échappement basse Altitude 0-2000 ft. 2000 - 4500 ft. 0-4500 ft. L'altitude (0 - 610m) (610 - 1372m) (0-1372m) Orifice size 43 DMS 44 DMS 54 DMS Grandeur de l’injecteur Maximum input 23,500 Btu/h 22,000 Btu/h 22,500 Btu/h Debit calorifique maximum Minimum input 11,750 Btu/h 11,000 Btu/h 11,250 Btu/h Debit calorifique minimum
Duplicate Serial No.
NOT FOR USE WITH SOLID FUEL. NE PAS UTILISER AVEC DU COMBUSTIBLE SOLIDE.
For installation into a vented non-combustible fireplace, listed factory built fireplace. This vented gas fireplace heater is not for use with air filters. Ne peut etre installe que dans un foyer non combustible muni d'un event. Ne pas utiliser de filtre à air avec ce foyer au gaz à évacuation. WARNING: This fireplace has been converted for use with a gas fireplace insert only and cannot be used for burning wood or solid fuels unless all original parts have been replaced, and the fireplace re-approved by the authority having jurisdiction. ELECTRICAL SUPPLY/ALIMENTATION ELECTRIQUE:115V60HZ less than/Moins de 2 AMP.
E21-NG3 E21-LP3
327
FortheState of Massachusetts, installation
and repair must be done by a plumber or
gasfitter licensed in the Commonwealth of
Massachusetts.
For the State of Massachusetts, flexible
connectors shall not exceed 36 inches in
length.
For the State of Massachusetts, the appli-
ances individual manual shut-off must be a
t-handle type valve.
The State of Massachusetts requires the
installation of a carbon monoxide alarm in
accordancewithNFPA720andaCOalarm
withbatterybackupinthesameroomwhere
the gas appliance is installed.

6Regency®E21-3 Gas Fireplace Insert
REQUIREMENTS
5.08: Modifications to NFPA-54, Chapter 10
(2) Revise 10.8.3 by adding the following additional requirements:
(a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for
residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than
seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall
be satisfied:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas fueled
equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back-up is
installed on the floor level where the gas equipment is to be installed. In addition, the installing plumber or gasfitter shall observe that a battery
operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure
served by the side wall horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the services of
qualified licensed professionals for the installation of hard wired carbon monoxide detectors
a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the hard wired carbon
monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level.
b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner shall have a period of
thirty (30) days to comply with the above requirements; provided, however, that during said thirty (30) day period, a battery operated carbon
monoxide detector with an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions
shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified.
3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight
(8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The
sign shall read, in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS".
4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation
unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR
5.08(2)(a)1 through 4.
(b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment Not Required To Be Vented" in the most current edition of NFPA 54 as adopted by
the Board; and
2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling, building or
structure used in whole or in part for residential purposes.
(c) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of Product
Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment, the
instructions provided by the manufacturer for installation of the equipment and the venting system shall include:
1. Detailed instructions for the installation of the venting system design or the venting system components; and
2. A complete parts list for the venting system design or venting system.
(d) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of a
Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases, but identifies
"special venting systems", the following requirements shall be satisfied by the manufacturer:
1. The referenced "special venting system" instructions shall be included with the appliance or equipment installation instructions; and
2. The "special venting systems" shall be Product Approved by the Board, and the instructions for that system shall include a parts list and
detailed installation instructions.
(e) A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions,
all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of
the installation.
MA Code - CO Detector
(for the State of Massachusetts only)

Regency®E21-3 Gas Fireplace Insert 7
INSTALLATION
BEFORE YOU START
Safe installation and operation of this appliance
requirescommonsense,however,wearerequired
by the Canadian Safety Standards and ANSI
Standards to make you aware of the following:
CLOTHING OR OTHER FLAMMABLE
MATERIAL SHOULD NOT BE PLACED
ON OR NEAR THE APPLIANCE.
CHILDREN AND ADULTS SHOULD BE
ALERTED TO THE HAZARDS OF HIGH
SURFACE TEMPERATURES, ESPE-
CIALLY THE FIREPLACE GLASS, AND
SHOULD STAY AWAYTO AVOID BURNS
OR CLOTHING IGNITION.
INSTALLATION AND REPAIR SHOULD
BE DONE BY AN AUTHORIZED
SERVICE PERSON. THE APPLIANCE
SHOULD BE INSPECTED BEFORE
USE AND AT LEAST ANNUALLY BY A
PROFESSIONAL SERVICE PERSON.
MORE FREQUENT CLEANING MAY
BE REQUIRED DUE TO EXCESSIVE
LINT FROM CARPETING, BEDDING
MATERIAL, ETC.IT IS IMPERATIVETHAT
CONTROL COMPARTMENTS,BURNERS
AND CIRCULATING AIR PASSAGEWAYS
OF THE APPLIANCE BE KEPT CLEAN.
DUE TO HIGH TEMPERATURES, THE
APPLIANCE SHOULD BE LOCATED
OUT OF TRAFFIC AND AWAY FROM
FURNITURE AND DRAPERIES.
WARNING: FAILURE TO INSTALL THIS
APPLIANCE CORRECTLY WILL VOID
YOUR WARRANTY AND MAY CAUSE A
SERIOUS HOUSE FIRE.
YOUNG CHILDREN SHOULD BE CARE-
FULLY SUPERVISED WHEN THEY ARE
IN THE SAME AREA AS THE APPLI-
ANCE. TODDLERS,YOUNG CHILDREN
AND OTHERS MAY BE SUSCEPTIBLE
TO ACCIDENTAL CONTACT BURNS. A
PHYSICAL BARRIERS IS RECOMMEND-
ED IFTHERE ARE AT RISK INDIVIDUAL
INTHE HOUSE. TO RESTRICT ACCESS
TO A FIREPLACE OR STOVE, INSTALL
AN ADJUSTABLE SAFETY GATE TO
KEEP TODDLERS, YOUNG CHILDREN
AND OTHER AT RISK INDIVIDUALS OUT
OF THE ROOM AND AWAY FROM HOT
SURFACES.

8Regency®E21-3 Gas Fireplace Insert
INSTALLATION
IMPORTANT MESSAGE
SAVE THESE
INSTRUCTIONS
The Regency®Gas Fireplace must be installed in
accordance with these instructions. Carefully read
all the instructions in this manual first. Consult the
"authorityhavingjurisdiction"todeterminetheneed
fora permit prior tostartingtheinstallation. It is the
responsibilityoftheinstallertoensurethisfireplace
is installed in compliance with the manufacturer's
instructions and all applicable codes.
GENERAL SAFETY
INFORMATION
1) The appliance installation must conform with
local codes or, in the absence of local codes,
with the current Canadian or National Gas
Codes,CAN1-B149orANSIZ223.1Installation
Codes.
2) The appliance when installed, must be electri-
callygroundedinaccordancewithlocalcodes,
orintheabsenceoflocalcodeswiththecurrent
NationalElectricalCode,ANSI/NFPA70orCSA
C22.1 Canadian Electrical Code.
3) See general construction and assembly in-
structions. The appliance and vent should be
enclosed.
4) Thisappliancemustbeconnectedtothespeci-
fied vent and termination cap to the outside of
the building envelope. Never vent to another
room or inside a building. Make sure that the
vent is installed as per Venting instructions.
5) Thisappliancemayonlybeinstalledinavented,
solid fuel burning masonry, listed factory built
fireplace, or zero clearance kit part # 530-936.
6) ThisapplianceisListedforbedroom installations
when used with a Listed Millivolt Thermostat.
Some areas may have further requirements,
check local codes before installation.
7) ThisapplianceisListedforAlcoveinstallations,
maintain minimum Alcove clearances as
follows, minimum ceiling height of 53-1/2",
minimum width of 48" and a maximum depth
of 36".
8) This unit is not approved for installation into a
mobile home.
9) Inspect the venting system annually for block-
age and any signs of deterioration.
10) Any safety glass removed for servicing must
be replaced prior to operating the appliance.
11) To prevent injury, do not allow anyone who is
unfamiliarwiththeoperationtousethefireplace
insert.
12) Wear gloves and safety glasses for protection
while doing required maintenance.
13) Ensure adequate combustion and ventilation
air.
14) Underno circumstances shouldthisappliance
be modified. Parts that have to be removed for
servicingshouldbereplaced prior to operating
this appliance.
15) Installation and any repairs to this appliance
should be done by a qualified service person.
Aprofessionalservicepersonshouldbecalled
to inspect this appliance annually. Make it a
practice to have all of your gas appliances
checked annually.
16) Do not slam shut or strike the glass door.
17) Undernocircumstancesshouldanysolidfuels
(wood,paper, cardboard, coal, etc.) be used in
this appliance.
18) The appliance area must be kept clear and
freeofcombustiblematerials,(gasesandother
flammable vapours and liquids).
19) Do not use this appliance if any part has been
underwater. Immediatelycalla qualified serv-
ice technician to inspect the appliance and to
replaceanypartoftheelectricalcontrolsystem
and any gas control which has been under
water.
20) WARNING: Failure to position the
partsin accordancewith thediagrams
in this manual or failure to use only
parts specifically approved with this
appliance may result in property
damage or personal injury.
21) WARNING:Operationofthisappliance
when not connected to a properly
installed and maintained venting
system or tampering with the blocked
vent shut-off system can result in
carbon monoxide (CO) poisoning and
possible death.
Emissions from burning wood or gas could
contain chemicals known to the State of
California to cause cancer, birth defects or
other reproductive harm.

Regency®E21-3 Gas Fireplace Insert 9
INSTALLATION
13-1/8” (333mm)
Low prole faceplate
POLICY FOR SOLID
FUEL BURNING &
FACTORY BUILT
FIREPLACES
TheRegency®E21maybe installedandvented
intoanysolidfuelfireplacethathasbeeninstalled
in accordance with the National, Provincial and
local building codes and is constructed of non-
combustible materials.
1) Installer must mechanically attach the sup-
plied label to the inside of the firebox of the
fireplace into which the gas fireplace insert
is installed.
2) Do not cut any sheet-metal parts of the
fireplace, in which the gas fireplace insert
is to be installed.
3) Ifthefactory-builtfireplacehasnogasaccess
hole(s) provided, an access hole of 1-1/2"
(37.5mm) or less may be drilled though the
lowersidesorbottomofthefireboxinaproper
workmanshiplikemanner.Thisaccesshole
must be plugged with a non-combustible
insulationafterthegassupply linehasbeen
installed.
4) Thefireplacefluedampercanbefullyblocked
open or removed for installation of the gas
fireplace insert.
5) The fireplace and fireplace chimney must
be clean and in good working order and
constructed of non-combustible materials.
6) The chimney cleanouts must fit properly.
7) Refractory (firebricks), glass doors, screen
rails, screen mesh and log grates can be
removedfrom the fireplacebeforeinstalling
the gas fireplace insert.
8) Smoke shelves, shields and baffles may be
removedifattachedbymechanicalfasteners.
If any part is removed it must not weaken
the structural integrity of the factory built.
9) Trim panels or surrounds shall not seal
ventilation openings in the fireplace.
MINIMUM FIREPLACE
CLEARANCES
Diagramshowstheminimumfireplaceopening
required to be able to install the Regency®gas
fireplace insert.
INSTALLATION
CHECKLIST
1) Locate your appliance. Refer to the "Clear-
ances to Combustibles" and "Minimum
Fireplace Clearances" sections.
2) Makegasandelectricalconnections.Refer
to the "Gas Connection" section.
Testthepilot.Mustbeasperdiagraminthe
"Valve Description" section.
3) Install Flue Connector. Refer to the "Flue
Connector Installation" section.
4) Install vent. Refer to the "Venting" section.
5) Test Gas pressure. Refer to the "Gas Pipe
Pressure Testing" section.
Check aeration. Refer to the "Gas Insert
Aeration System" section.
6) Test for flue spillage. Refer to the "Test for
Flue Spillage" section.
7) Installstandardandoptionalfeatures. Refer
to the following sections where applicable:
a. Brick Panel
b. Faceplate & Trim
c. Flush Glass
d. Flush Louver
e. Full Screen Doors
f. Remote Control
g. Wall Switch
h. Wall Thermostat
8) Final check. Refer to the "Final Check"
section.
Before leaving this unit with the customer,
the installer must ensure that the appliance is
firing correctly and operation fully explained to
customer.
This includes:
1) Clockingtheappliancetoensurethecorrect
firingrate(ratenotedonlabel) after burning
appliance for 15 minutes.
2) Ifrequired,adjustingtheprimaryairtoensure
that the flame does not carbon. First allow
the unit to burn for 15-20 min. to stabilize.
3) Ensurethattheapplianceisventingcorrectly.
CAUTION: Anyalterationtotheproductthat
causes sooting or carboning that results
in damage is not the responsibility of the
manufacturer.
"WARNING: This fireplace has been
convertedforusewith a gas fireplace insert
onlyandcannotbeusedforburningwoodor
solidfuelsunlessalloriginalpartshavebeen
replaced, and the fireplace re-approved by
the authority having jurisdiction."
Note:Ifyouareinstallingthe3"offsetflueadaptor
(532-920) , the minimum fireplace dimensions
are as follows:
Width (at front): 29-1/8" (740mm)
Depth: 17" (381mm)
Height: 18-5/8" (473mm)

10 Regency®E21-3 Gas Fireplace Insert
INSTALLATION
CLEARANCES TO COMBUSTIBLES
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The minimum clearance from the side of the appliance to a combustible
side wall is 9 inches (229mm). The minimum clearance from the top of
the louver to a combustible mantel is 14 inches (356mm). The minimum
height from the top of the louver to the ceiling is 36 inches (914mm).
Note: Anon-combustible mantelmaybeinstalledat a lowerheight
if the framing is made of metal studs covered with a non-
combustible board.

Regency®E21-3 Gas Fireplace Insert 11
INSTALLATION
HIGH ELEVATION
This unit is approved in Canada for altitude
0 to 4500 ft. (CAN/CGA 2.17-M91) with the
orifice supplied.
System Data
For altitude: Natural Gas 0-2000 ft.
Propane: 0-4500 ft.
Burner Inlet Orifice Sizes:
Natural Gas Propane
Burner #43 #54
Max. Input Rating
- Natural Gas 23,500 Btu/h
- Propane 22,500 Btu/h
Min. Input Rating
- Natural Gas +/-5% 11,750 Btu/h
-Propane +/-5% 11,250 Btu/h
Supply Pressure
Natural Gas min. 5.0" w.c.
Propane min. 12.0" w.c.
Manifold Pressure (High)
Natural Gas 3.8" +/- 0.2" w.c.
Propane 11" +/- 0.2" w.c.
Circulation Fan: 120 VAC, 60 Hz
Variable Speed: 127 CFM, thermally
activated
NATURAL GAS E21-NG3
For altitude: 2000 ft - 4500 ft.
Burner Inlet Orifice Size: 44 DMS
Max. Input Rating 22,000 Btu/h
Min. Input Rating +/-5% 11,000 Btu/h
GAS CONNECTION
Only persons licensed to work with gas piping
may make the necessary gas connections to
this appliance.
Thegasconnectionisa3/8"NPTaccessibleon
theleftsideoftheunit. Thegaslineconnection
may be made of rigid pipe, copper pipe or an
approved flex connector. (If you are using rigid
pipe, ensure that the valve can be removed
for servicing.) Since some municipalities have
additionallocalcodesitisalwaysbesttoconsult
with your local authorities and the CAN/CGA
B149 installation code.
For USAinstallations follow local codes and/or
the current National Fuel Gas Code, ANSI
Z223.1.
When using copper or flex connectors use only
approvedfittings.Alwaysprovideaunionsothat
gaslines can beeasilydisconnected for burner
or fan servicing. Flare nuts for copper lines and
flex connectors are usually considered to meet
this requirement.
Important: Always check for gas leaks
with a soap and water solution or gas
leak detector. Do not use open flame
for leak testing.
For minimum and maximum supply pressure
see the System Data table.
1) If the appliance is to be installed into an
existing chimney system, thoroughly clean
themasonryfireplacethathasbeenchosen
for the Regency®Gas Fireplace.
2) Theapplianceisprovidedwithanopeningon
thelefthandsideofthecontrolcompartment
for the gas line.
Note: During any pressure testing of the gas
supplypipingsystemthatexceedstestpressures
of 1/2 psig, this appliance and its individual
shut-off valve must be disconnected from the
pipingsystem. Iftestpressuresequaltoorless
than1/2 psig are used thenthisappliancemust
be isolated from the piping system by closing
its individual manual shut-off valve during the
testing.
CAUTION: If the glass is removed for
servicing, it must be replaced prior to
operating the appliance. The glass must
be fixed in the closed position when
operating.

12 Regency®E21-3 Gas Fireplace Insert
INSTALLATION
WIRING DIAGRAMS
CAUTION: Label all wires prior
to disconnection when servicing
controls. Wiring errors can
cause improper and dangerous
operation.
WARNING: Electrical Grounding
Instructions
This appliance is equipped with a
three pronged (grounding) plug for
yourprotectionagainstshockhazard
and should be plugged directly into
a properly grounded three-prong
receptacle. Do not cut or remove the
grounding prong from this plug.
Thisheaterdoesnotrequirea120VA.C.supply
for operation. In case of a power failure, the
burner switch and the optional remote control/
thermostat will continue to operate. However,
a 120V A.C. power supply is needed for the
fan/blower operation.
Caution: Ensure that the wires do
not touch any hot surfaces and are
away from sharp edges.
Whenconnected with 120volts,theappliance
must be electrically grounded in accordance
with local codes or, in the absence of local
codes the current CSA C22.1 (in Canada) or
with the National Electrical Code ANSI/NFPA
70-1987 (in USA).
NOTE: This unit is equipped with a heat
sensor thermodisc which will
prevent the blower from operating
until the unit reaches the correct
temperature.
Green
Ground
Neutral
Live
Black
Black
Red Black
Fan
Thermodisc
ON OFF
Rotary Speed
Control
120V AC
60 Hz
Ground
Fan
Grounding
Lug Detail
Lockwasher Fan ground
Power cord
ground wire
Star washer
Nut
Nut
#8 Ground Lug
Star washer
Gas Pilot
Thermopile
Electrode
Gas
In
Piezo
Ignitor
Thermocouple In
Brown
Red
White
Pilot
Assembly
"S.I.T" Valve
H
I
L
O
O
F
F
O
N
PI
L
O
T
Vent Spill
Switch
(Auto Reset)
Burner
ON
OFF
Remote Transmitter
(Optional)
Thermostat
(Millivolt)
(Optional)
Remote
Receiver
(Optional)
(Millivolt)
ONOFF
Regency
Black
Red
For NATURAL GAS Units and Units NOT Equipped with DC Spark Boxes

Regency®E21-3 Gas Fireplace Insert 13
INSTALLATION
Note: Do not operate unit if flue connector is not
fastened in original position.
FLUE CONNECTOR INSTALLATION
1) Removethescrewholdingtheflueconnector
plate to the appliance.
2) Slide the plate out and attach to the flue liner
insidethefireplacetothefluecollarwiththree
sheet metal screws.
3) Place the appliance on the hearth. Push
the appliance into the fireplace and at the
same time slide the plate back onto the ap-
pliance.
4) Replace the screw holding the plate just
beforecompletelypushingtheapplianceinto
the fireplace.
For PROPANE Units and Units Equipped with DC Spark Boxes*
*For installation of the DC Spark Box refer to the LP Conversion instructions in this manual.

14 Regency®E21-3 Gas Fireplace Insert
INSTALLATION
GAS PIPE
PRESSURE TESTING
The appliance must be isolated from the gas
supply piping system by closing its individual
manual shut-off valve during any pressure
testing of the gas supply piping system at test
pressures equal to or less than 1/2 psig. (3.45
kPa). Disconnectpipingfromvalveatpressures
over 1/2 psig.
Themanifoldpressureiscontrolledbyaregulator
builtintothegascontrol,andshouldbechecked
at the pressure test point.
Note: Toproperlycheckgaspressure,both
inlet and manifold pressures should
becheckedusingthevalve pressure
ports on the valve.
1) Make sure the valve is in the "OFF"
position.
2) Loosen the "IN" and/or "OUT" pressure
tap(s), turning counterclockwise with a 1/8"
wide flat screwdriver.
3) Attach manometer to "IN" and/or "OUT"
pressure tap(s) using a 5/16" ID hose.
4) Light the pilot and turn the valve to "ON"
position. Read manometer.
5) The pressure check should be carried out
withtheunitburningand the setting should
be within the limits specified on the safety
label.
6) When finished reading manometer, turn
off the gas valve, disconnect the hose and
tighten the screw (clockwise) with a 1/8"
flat screwdriver. Note: Screw should be
snug, but do not over tighten
OFFSET FLUE
ADAPTOR
A Offset Flue Adaptor Kit, Part #532-920 is
available as an accessory to move the flue
outlet back for easier liner installations in deep
fireplaces. The offset flue adaptor requires the
use of a 3" liner.
VENTING
THE APPLIANCE MUST NOT BE
CONNECTED TO A CHIMNEY FLUE
SERVING A SEPARATE SOLID FUEL
BURNING APPLIANCE.
This appliance is designed to attach to a 4"
diameter type B-Vent or double thickness
approved aluminium flex liner.
The flue collar of the appliance will fit inside
a standard vent and may be fastened directly
to the vent by sheet metal screw or a B-Vent,
single wall vent connector.
B-Vent chimneys require a 1" clearance to
combustibles.
A3"diametertypeB-Ventorapprovedaluminium
flexlinermayalsobeused witha4"to3"reduc-
ing adapter. Consult venting charts and local
code requirements.
The Regency®Insert incorporates its own
internal draft hood, so no additional external
draft hood is required. Check periodically that
the vent is unrestricted and an adequate draft
is present when the unit is in operation.
Beforeinstallingtheventsystemensurethatthe
damper plate is locked into the open position
and secure to prevent the damper plate from
falling down and crushing the liner.
The appliance is equipped with a vent safety
shutoff system and a safety control system
designed to protect against improper venting
of combustion products. The appliance will not
function without being connected to a proper
system.
WARNING:Operationofthisheater
when not connected to a properly
installed and maintained venting
system or tampering with the vent
shut-offsystemcanresultincarbon
monoxide (CO) poisoning and
possible death.
This appliance must not be connected to a
chimneyflueservingaseparatesolidfuelburn-
ing appliance.
Forbestventingperformance,werecommend
the following venting rules:
1) Use only certified Type B gas vent or
approved flex liner.
2) Follow the vent manufacturer's instructions
and clearance requirements.
3) Observe any local code restrictions, if any,
regarding the installation of gas inserts.
4) Use as few elbows as possible.
5) Keephorizontallengthsasshortaspossible
and maintain at least an upward slope of
1/4 in. (6.4mm) for every 12 in. (305mm) of
horizontal run.
6) Terminate the vent with a suitable certified
vent cap.
COMBUSTION AND
VENTILATION AIR
WARNING: This appliance needs fresh air
for safe operation and must be installed
with provisions for adequate combustion
and ventilation air available to the room in
which it is to be operating.
Follow CAN/CGA B149 (in Canada) or ANSI
Z223.1 (in the USA) requirements, and any
local codes or regulations of the enforcing
authority.
Air for combustion is drawn in through the front
of the unit, therefore, the front of the unit must
be kept clear of any obstructions.

Regency®E21-3 Gas Fireplace Insert 15
INSTALLATION
TEST FOR
FLUE SPILLAGE
A " spillage" test must be made before
the installed unit is left with the customer.
Follow the procedure below:
1) Close all external doors and windows in
the house.
2) Lighttheunitandsetcontrolstomaximum.
Turn fan to OFF on unit.
3) After five minutes, test that there is a “pull”
on the flue by placing a smoking match,
cigarette or similar device which gives
off smoke, in front of the upper part of
the louver. To ensure a valid test, place
GAS INSERT
AERATION SYSTEM
The aeration adjustment rod is attached to the
airshutterwhichislocatedjustabovetheorifice
bracket. The rod is used to adjust the aeration
on the main burner without having to take the
appliance apart.
Theburneraerationisfactorysetbutmayneed
adjusting due to either the local gas supply, air
supply or altitude.
Natural Gas: 1/8" open
Propane: 5/16" open
Note: Any damage due to carboning
resulting from improperly setting
theaerationcontrolsisNOTcovered
under warranty.
Note: AerationAdjustment should only be
performedbyanauthorizedRegency®
Installer at the time of installation or
service.
a scrap piece of sheet metal (or other
noncombustiblematerial)intheupperlouver,
thiswillpreventthenaturalconvectionofthe
unit from interfering with the test.
Note: The smoke should be drawn into the
louver. If the smoke is still not drawn
in, turn the unit off and check for the
causeofthelackofdraft. Ifnecessary,
seek expert advice.
OPTIONAL
BRICK PANEL
1) Unwrap the brick pattern panels from the
protective wrapping.
2) With the glass removed, position the
back panel first (see diagram for correct
positioning),thenthetwosidepanels.Slide
thesidebrickpanelintoplacefromthefront
of the firebox, there is a tab at the top of the
unit to hold the side panels in place.
3) The brick panels should be tight against
the firebox sides and back. The side panels
should be flush with the glass.
Note: Usecautionwhenslidingsidepanels
inastheycaneasilybescratchedby
the brick panel tabs.
VALVE DESCRIPTION
1) Gas on/off knob
2) Manual high/low adjustment
3) Pilot Adjustment
4) Thermocouple Connection
5) Main Operator
6) Outlet Pressure Tap (Manifold Pressure)
7) Inlet Pressure Tap (Supply Pressure)
8) Pilot Outlet
9) Main Gas Outlet
10) Flange Securing Screw Holes
11) Alternative TC Connection Point
12) Thermoelectric Unit
13) Additional Valve Mounting Hole

16 Regency®E21-3 Gas Fireplace Insert
INSTALLATION
LOG SET INSTALLATION
Log kit (Part # 533-930) contains the following pieces:
a) 27-23 Back Center Log
b) 27-24 Middle Center Log
c) 27-25 Middle Right Log
d) 27-26 Front Right Log
e) 27-27 Center Front Log
f) 27-28 Middle Left Log
g) 27-29 Front Left Log
h) 27-30 Back Right Log
i) 902-156 Embers Lava
j) 902-153 Rock Wool
k) 902-179 Vermiculite
l) 946-669 Platinum Embers (supplied with packaged manual)
27-26
27-28
27-24
27-25
27-27
27-29
27-30
27-23
1) Carefully remove the logs from the box and unwrap them. The logs
are fragile, handle with care - do not force into position.
2) Spread vermiculite around the firebox base. Then take some embers
and spread them over the vermiculite as shown.
3) Fit log 27-23 into the pins on the back log tray.
4) Fit log 27-24 into the pins on the middle right hand side of the
burner.
27-23
27-24
27-24
Read the instructions below carefully and refer to the images.
Dangerous operating conditions may occur if the logs are not
positioned in their correct locations. If the logs are broken
do not use the unit until they are replaced. Broken logs can
interfere with the pilot operation.

Regency®E21-3 Gas Fireplace Insert 17
INSTALLATION
6) Fit log 27-26 into the pins on the front right side of the burner.
5) Rest the top of log 27-25 in the notch in log 27-24 and rest the bottom
end of log 27-25 on the firebox base.
7) Fit the top end of log 27-27 into the pin in log 27-23 and rest the
bottom end of log 27-27 against the 2nd grate post.
2nd Grate Post
27-24 27-25
27-25
27-26
27-26
27-27
27-23
27-27

18 Regency®E21-3 Gas Fireplace Insert
INSTALLATION
8) Fit log 27-28 into the pin on the left side of the burner.
9) Fit the left end of log 27-29 into the pin on the front left side of the
burner (in front of the 1st grate post) and rest the right end of log
27-29 onto the notch on log 27-27.
1st Grate Post
10) Fit the top of log 27-30 into the pin on the right side of log 27-23 and
rest the bottom of the log on the notches in logs 27-26 and 27-24.
27-28
27-29
27-27
27-29
27-23
27-30
27-26
27-24
Notch

Regency®E21-3 Gas Fireplace Insert 19
INSTALLATION
Completed Log Set Installation
27-23
11) Place embers along the front of the burner as shown.
Ensure not to cover any burner ports.
27-25
27-28 27-24
27-26
27-29
27-27 27-30
12) Place rock wool along side the embers on the front of the burner as
shown. Ensure not to cover any burner ports.
13) Separate platinum embers and place on the burner just in front of
the logs. Avoid stacking platinum embers.

20 Regency®E21-3 Gas Fireplace Insert
INSTALLATION
Diagram 4
Diagram 5
6) ConnecttheON/OFFswitchwiresbytaking
theblackandredwireswiththefemaleends
andconnectingthemtotheON/OFFswitch.
Diagram 3
faceplate panel.
9) Attach the brass trim to the faceplate by
drillinga1/8"holethroughintothefaceplate
usingtheholeinthetrimasaguide. Fasten
the trim to the faceplate panels using the
gold plated screws. See diagram 4.
10) Attach the faceplate panels to the insert
7) Tuck the wires into the faceplate to keep
them away from the insert using the clip
provided. Attach the clip to the rear of the
faceplate to ensure that the wires do not
touch the side of the unit. See diagram 3.
8) The power cord should be run behind the
body using the 4 remaining black screws.
See diagram 5.
11) Push the logo plate into the two holes in
the bottom left corner of the faceplate. See
diagram 4.
FACEPLATE & TRIM
INSTALLATION
1) Lay the faceplate panels flat, face down on
something soft so they don't scratch.
2) Take the top faceplate and align the holes
in it with the holes in the side panels. Using
the screws provided, attach from the top of
the panel (the holes in the top panel are
slightly larger than the holes in the side
panel to facilitate easier installation). See
diagram 1.
Hint: Don't tighten the trim to the bottom of
the faceplate side panels with the screws
provided. See diagram 1.
Diagram 1
Diagram 2
4) Place the trim on the assembled faceplate
panels, aligning the wire connections from
the switches with the notch on the left side
panel.
5) Connect the fan switch wires by taking the
black and red wires with the male ends (in
the grey harness) and connect them with
the wire connectors from the fan speed
control.
Hearth Trim Option: Hearth Trim is an option
that can be used to finish off the installation
when the bottom of the fireplace is higher than
thehearthortoraisethefireplace.Laytheface-
plate side panels flat, face down on something
soft so they don't scratch. Attach the Hearth
Trim to the bottom of the faceplate side panels
withthescrewsprovided. SeeDiagram2. Now
attachtheassembledpiecestotheinsertbody.
3) Using the connectors provided, join the left
side trim (with the ON/OFF switch) to the
top trim. See diagram 2. Connect the right
side trim to the top trim.