Regency Energy U31 Quick start guide

908-005 01/08/09
Owners &
Installation
Manual
Tested by:
Warnock Hersey
& AGA
FORYOURSAFETY
What to do if you smell gas:
!!
!!
!Do not try to light any
appliance
!!
!!
!Donottouchanyelectri-
cal switch: do not use
anyphoneinyourbuild-
ing.
!!
!!
!Immediately call your
gas supplier from a
neighbour's phone.
Follow the gas suppli-
er'sinstructions.
!!
!!
!Ifyou cannotreachyour
gassupplier,callthefire
department.
WARNING:
Improper installation, adjustment,
alteration, service or maintenance
can cause injury or property dam-
age. Refer to this manual. For
assistanceoradditionalinformation
consultanauthorizedinstaller,serv-
ice agency or the gas supplier.
FORYOURSAFETY
Donotstoreorusegasolineorother
flammable vapours and liquids in
thevicinityofthisoranyotherappli-
ance.
Installationandservicemustbeper-
formed by an authorized installer,
service agency or the gas supplier.
U31/I31 GAS INSERT
ZERO CLEARANCE KIT
KIT # 410-905
PLEASE KEEP THESE INSTRUCTIONS
FOR FUTURE REFERENCE

2U31/I31 Gas Insert Zero Clearance Kit
TABLE OF CONTENTS
GAS INSERT ZERO CLEARANCE KIT
CONTENTS PAGE
Listings & Code Approvals ................................................... 3
Specifications ........................................................................ 3
General Information .............................................................. 3
Parts ...................................................................................... 3
Clearances to combustibles .................................................. 4
Locating Your Fireplace ...................................................... 5
Ashlip..................................................................................... 5
Ashlip Installation .................................................................. 6
Framing ................................................................................. 6
Kit Assembly ......................................................................... 7
Venting (Flueing) ................................................................... 8
Optional Outside Combustion Air Supply Installation ........... 9
Gas supply line ..................................................................... 9
Electrical Supply .................................................................... 9
Faceplate & Trim Installation .............................................. 10
Finished Facing Notes ........................................................ 11

3
U31/I31 Gas Insert Zero Clearance Kit
Specifications
INSTALLATION
LISTINGS AND CODE APPROVALS
This gas component has been tested in accordance with National Safety Standards, and has been certified by Warnock Hersey
for installation and operation in the United States and Canada as described in these Installation and Operating Instructions.
This gas component has also been tested in accordance with AG103 and certified in Australia by the Australian Gas Association
for installation in Australia, and New Zealand. Install according to AG 103 and as described in these installation and operating
instructions.
PARTS
IncludedwithKit:
1 (410-905) Main Body Assembly
Sold Separately: (Rq)=Required (Op)=Optional
(Rq) 1 (410-906) Zero Clearance Faceplate44" W x 32"H
(1117mm W x 813mm H) includes 4"(102mm) Hearth
Trim and faceplate trim
(Op) 1(410-920) Ash Lip
GENERAL INFORMATION
This kit consists of factory built parts that require minimal
assembly to form the Zero Clearance enclosure for the U31/
I31 Gas Insert. The enclosure can then be fixed into a framed
combustible construction, and a standard
"B-vent" (Australia/New Zealand: an approved twin skin flue)
installed on the assembly for the required venting (flueing).
The insert can be installed later.
The faceplate will normally overlap on top of the finished
wall.Using Kit# 410-905 you can convert the U31/I31 Gas
Insert models into highly efficient heat producing Zero Clear-
ance Fireplaces.
Check with your local
building code agency
before you begin your
installation to ensure
compliance with local
codes, including the
need for "permits" and
follow-up inspections. If
any problems are en-
countered regarding
codeapprovals,or if you
wish clarification on any
of the instructions con-
tainedhere,contactyour
local dealer.

4U31/I31 Gas Insert Zero Clearance Kit
INSTALLATION
Top View
**Max. width of 1"(25mm) at 1"(25mm) from surround, calcu-
late depth at 45oas shown in the diagram.
K
45
A
DKK
Max.
Side View
CLEARANCES TO COMBUSTIBLES
The clearances for the Zero Clearance Kit are 0" to combustibles (back, side and floor) but when planning your installation
review the clearances required for the Insert (see below) after it is installed in the Zero Clearance Kit. The Zero Clearance Kit
mustbe installedona flat,solid,continuous surface(e.g. wood, metal,concrete). Thismaybe thefloor,or raisedup on aplatform
to enhance its visual impact.
NOTE: The specified '0' inch floor clearance means that the top surface of the flooring material, i.e. carpeting, tile, etc.,
must not extend above the bottom edge of the 4" Hearth Trim.
Clearances to Combustibles for Insert
*Combustible Mantel Clearances
Depth (Mx) Clearance (My)
(inches) (mm) (inches) (mm)
0" to 3.5" 0mm to 89mm 20" 508mm
to 5.5" to 140mm 21" 533mm
to 12" to 305mm 22" 559mm
From Unit
Sides A 10" / 250 mm
DropCeiling B 47.5" / 1207 mm
12" Mantel* C(My) 22" / 555 mm
From Surround
Sides D 2" / 50 mm
DropCeiling E 37.75" / 945 mm
Max. Mantel Depth* G(Mx) 12" / 305 mm
Max. Alcove Depth H 36" / 882mm
Min. Alcove Width J 48" / 1200 mm
Facing (Mantel Leg)
Side** K 1" / 25 mm
Top L 1" / 25 mm
* Mantel clearances vary with the width of the mantel see
the chart "Combustible Mantel Clearances" on this page.
Note: A non-combustible mantel may be installed at a
lower height if the framing is made of metal studs
covered with a non-combustible board.

5
U31/I31 Gas Insert Zero Clearance Kit
Figure 3
Figure 1 Figure 2
INSTALLATION
A
D
E
C
F
B
LOCATING YOUR U31/I31 FIREPLACE
Due to high temperatures the Insert should be located out of traffic and away
from furniture and draperies. Provide a minimum of 48" (1220mm) front
clearance to the unit.
This appliance is Listed for bedroom installations when used with a Listed
Millivolt Thermostat. Some areas may have further requirements, check local
codes before installation.
This unit is not approved for installation into a mobile home.
ASH LIP FOR FLUSH INSTALLATION
a) An ashlip is mandatory on a U31/I31 Flush (flat window) Insert when installed less than 6" (152mm), (including the
4"(102mm) Hearth Trim) to a combustible floor (see Figure 1). For detailed installation see Faceplate and Trim Installation.
Note: If the ashlip is required with the Flush Front installed, the bottom Gold Trim will NOT fit and cannotbe installed.
b) No ashlip is required when U31/I31 Insert is raised by 2"(51mm). See figure 2.
c) No ashlip is required on a U31/I31 Insert with a Bay Window and/or Bay Louvers. See figure 3.
a) Cross Corner d) Island
b) Room Divider e) Flush with Wall
c) Flat on wall f) Flat on Wall
Corner

6U31/I31 Gas Insert Zero Clearance Kit
INSTALLATION
FRAMING
1) The trim kit allows for 1/2" (13 mm) of finish facing material. The kit may be installed directly on and/or against standard
combustible building materials.
2) Frame in the enclosure for the Kit with framing material. The framed opening for the assembled kit is 31.75" (806mm)
high x 37.75" (959mm) wide x 19.5" (495mm) (20" (508mm) including drywall) deep. See diagram below.
3) For exterior walls, vapour barrier and insulate the enclosure to the same degree as the rest of the house, or according
to local installation codes.
4) The appliance may be enclosed above the standoffs on the cabinet but the clearances stated on the "B-vent" chimney
must be maintained.
ASHLIP INSTALLATION
1) Line up the two holes in the ashlip with the bottom 2 holes in the front of the stove.
2) Screw into position with the two screws provided with the ashlip.
NOTE:The bottomgoldtrimdoesnotgoonto
the unit when the ashlip is installed.

7
U31/I31 Gas Insert Zero Clearance Kit
KIT ASSEMBLY
INSTALLATION
Diagram 2
Diagram 3
Diagram 1
1) Using the screws provided, attach left and right sides to
the rear panel. Side flanges go on the outside. See
diagram 1.
2) Install floor. All floor flanges go on the inside. See
diagram 1.
3) Install top assembly. Make sure top rear flange is on the
outside of the back panel. Top side flanges go on the
inside.
4) Install top front standoff assembly, with the drywall stand-
off angle facing forward. See diagram 1.
5) Move Zero Clearance Assembly into final position and
attach to framing. See diagram 3.
6) Attach 4"(100mm) -"B" vent adapter. See Venting.
Note: Topinsulationprotrudesabout
1"(25mm) in order to assure a
tight seal when faceplate is
installed. Leakage in this area
willresultinpossibleoverheat-
ingofthefinishingmaterialim-
mediatelyabovetheframe.See
diagram 1.

8U31/I31 Gas Insert Zero Clearance Kit
INSTALLATION
Variable Chimney Routes
VENTING (FLUEING)
Note: The draft hood must be installed parallel to the
fireplace opening, as shown below. See Instruc-
tions in U31/I31 Installation Manual.
Install stove insert as per U31/I31 Installation Manual.
1) This fireplace must be vented (flued) with a 4" (100mm)
diameter Class “B” vent (Australia/New Zealand: twin
skin flue). The installation of the venting (flueing) system
must conform and be in accordance with the natural gas
installationcodeCAN/CGA-B149(Canada),ANSIZ223.1
(U.S.A.), AG 601 (Australia), and NZS 5261 (New Zea-
land). Minimum chimney height from base of fireplace
must be at least 12 feet (3.6m).
2) MasonryChimneyInstallation:
This application can be connected to a masonry chimney
flue. Makesurethe masonrychimneyis cleanandin good
working order. When an existing masonry chimney is
unlined and local experience indicates that gas conden-
sation may be a problem or if local codes dictate, an
approved liner should be installed. Use “B” Vent (flue) to
bridge the gap between the fireplace and the masonry
chimney. To ensure proper flue sizing and operation it is
recommended that the masonry chimney be lined with an
approved aluminium chimney liner of the same diameter
as the “B” Vent (flue). Make sure connection between “B”
Vent (flue) and masonry is completely sealed. Flue pipe
exposed to cold air should be insulated in a chase. If
condensation occurs, a trap should be installed at bottom
of flue.
Use a maximum of two off-
sets; four 45oelbows, or two
90oelbowsforexample. Slope
horizontal pipe at least 1/4"
(6.4 mm) rise per foot of run.
Horizontal runs should not
exceed the vertical rise. Keep
horizontal runs to a minimum.
See chart below.
NOTE: ColdClimateInstallation
When this appliance is to be in-
stalled against a non-insulated
wall or in a chase, fibreglass insu-
lation should be installed around
the body of the fireplace.

9
U31/I31 Gas Insert Zero Clearance Kit
INSTALLATION
ELECTRICAL
OUTLET BOX
OPTIONAL OUTSIDE COMBUSTION AIR SUPPLY
-NORTH AMERICAN INSTALLATIONS
A 4" (100 mm) dia. aluminum flex pipe or equivalent may be installed from the outside (with a proper exterior cover) to the Zero
Clearance cabinet. There are outside holes provided on three sides of the kit. Use only the one that is most suitable for your
installation. This will provide adequate outside combustion air supply to the heater.
GAS SUPPLY LINE
An authorized service person should install the gas line in accordance with all local building codes. If codes permit, flex gas
line or coiled copper tubing may be used as gas supply line. The suggested way to install the gas supply line is as follows:
run 1/2" (9.5 mm) NPT gas line to the left side of the framed opening. (See U31/I31 installation instructions for additional
information).
Specifications
Min. Inlet Input
Gas Pressure Rating
Natural Gas 5" w.c. 30,000 Btu/h
1.13 kPa 31 mj/h
Propane 12" w.c. 27,500 Btu/h
2.75 kPa 28.5 mj/h
ELECTRICAL SUPPLY
Provide 120 VAC, 60 Hz (in Australia and New Zealand: 240 VAC, 50 Hzin) receptacle within 24"(610mm) of the left side of the
appliance (not inside the Zero Clearance Cabinet). Plug the cord on the appliance into the receptacle.

10 U31/I31 Gas Insert Zero Clearance Kit
ON/OFF
Switch
Fan Speed
Switch
(Rear View)
Wires to
Fan Switch
Connectors
Self-adhesive
Wire Clip
For Gas
Connection
Wires to
On/Off
Switch
POWER CORD (3ft)
Diagram 3
INSTALLATION
Diagram 1: Faceplate Assembly
Trim
Clips
Diagram 2: Trim Assembly
FACEPLATE & TRIM INSTALLATION
3) Using the trim clips 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.
4) Place the trim on the assembled faceplate panels, align-
ing 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.
6) Connect the ON/OFF switch wires by taking the black and
red wires with the female ends and connect them to the
ON/OFF switch.
7) Install these wires in the clips on the left faceplate to
ensure they dont touch the insert. See diagram 3.
1) Lay the faceplate panels flat, facedown on something soft
so they don't scratch.
2) a) Take the top faceplate and align the holes in it with
the holes in the side panels. Using the screws
provided,attachfrom thetopofthepanel (holesinthe
top panel are slightly larger than the holes in the side
panel to facilitate easier installation). See diagram 1.
b) 4"(102mm)HearthTrim.AttachtheHearthTrimtothe
bottom of the faceplate side panels with the screws
provided. See diagram 1.
Hint: Don't tighten the screws down completely at this
point, do a trial fit to the unit. Make any necessary adjust-
ments and when it fits properly then tighten down the
screws.
8) The power cord should be run behind the faceplate panel
from the U31/I31 to electrical outlet box.

11
U31/I31 Gas Insert Zero Clearance Kit
INSTALLATION
Diagram 6
10) Attach the brass trim to the faceplate by drilling
a 1/8" (3mm) hole through the faceplate using
the hole in the trim as a guide. Fasten the trim
to the faceplate panels using the plated screws.
#10 x1/2". See diagram 6 detail 'C'.
11) Attach the faceplate panels to the insert body
using the 4 remaining black screws. See dia-
gram 6 detail 'A'.
12) Slide the Top Deflector into the two brackets
under the fireplace body top. Diagram 7.
FINISHED FACING NOTES
Install finished facing surface of 1/2"(13mm) thickness on framing. Drywall 1/2" (13 mm) thick can extend flush with the
appliance on all three sides of the front face. The height at which the mantel must be installed above the top louver depends
on the depth of the mantel. If the mantel is to be painted, use a heat resistant paint to prevent discolouration.
13) Push the logo plate into the two holes in the bottom left
corner of the faceplate.
Diagram 7: Slide Top Deflector into brackets.
Top Deflector
After Deflector is installed
Note: If ashlip is required for safety clearance (see pg. 5) then attach to stove unit using the 2 lower screw holes on the
face of the stove unit (see diagram 6 detail 'B').
Note: This faceplate with Hearth Trim Assembly replaces the standard Assembly as shown in the U31/I31 Installation
Manual.

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