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Regency
®
U39EX ULTIMATE™ Freestanding Gas Stove
installation
Diagram 3
Diagram 4
Diagram 5
7. The connection between the appliance and
the Retro Connector may be completed with
sections of black direct vent pipe, together
with an adjustable length.
Gas Connection
The gas connection is a 3/8" NPT 90
o
elbow. The gas
line can be rigid pipe or to make installation easier,
use a listed flexible connector and/or copper tubing
if allowed by local codes. Since some municipalities
have additional local codes it is always best to
consult with your local authorities and the CAN/
CGA B149 installation codes.
For USA installations follow local codes and/or the
current National Fuel Gas Code, ANSI Z223.1.
When using copper or flex connectors use only
approved fittings. Always provide a union so that
gas lines can be easily disconnected for burner
and/or valve 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.
Note: Prior to any pressure testing of
the gas supply piping system
that exceeds test pressures of
1/2 psig, this appliance must
be disconnected from the piping
system. If test pressures equal to
or less than 1/2 psig are used then
this appliance must be isolated
from the piping system by closing
its individual manual shut-off
valve during the testing.
High Elevation
This unit is approved in Canada for altitude 2000 ft.
to 4500 ft. (CAN/CGA-2.17-2017) with the orifice kit
Part # 730-920. For Natural Gas installations above
4500 ft. follow current CAN/CGA-B149.1.
In U.S.A., for installations above 2000 ft. refer to
current ANSI Z223.1 Sc8-8.1.2a appendix F, for
resizing orifice.
System Data
U39EX
Altitude for 0 to 2000 feet
Burner Inlet Orifice Sizes:
Natural Gas Propane
Burner #32
#49
Max. Input
Natural Gas 38,000Btu/hr
Propane 38,000Btu/hr
Min. Input
Natural Gas 26,000Btu/hr
Propane 30,000Btu/hr
Supply Pressure
Natural Gas
min. 5" w.c.
Propane
min. 11" w.c.
Manifold Pressure - High
Natural Gas
3.5" w.c.
Propane
10" w.c.
Manifold Pressure - Low
Natural Gas
1.6" w.c.
Propane
6.4" w.c.
Electrical: 115V._60Hz.less than 2 AMP
Circulation: Variable speed fan, 125/75 CFM.
Log Set: Ceramic fiber, 7 per set.
System Data:
High Elevation
For 0 - 4,500 feet altitude
Burner Inlet Orifice Sizes:
Natural Gas
Propane
Burner #35 #51
Max. Input Rating
Natural Gas 35,000 Btu/hr
Propane 32,500 Btu/hr
Min. Input Rating
Natural Gas 24,000 Btu/hr
Propane 26,000 Btu/hr
Supply Pressure
Natural Gas
min. 5" w.c.
Propane
min. 11" w.c.
Manifold Pressure - High
Natural Gas
3.5" w.c.
Propane
10" w.c.
Manifold Pressure - Low
Natural Gas
1.6" w.c.
Propane
6.4" w.c.
Electrical: 115V._60Hz.less than 2 AMP
Circulation: Variable speed fan, 125/75 CFM.
Log Set: Ceramic fiber, 7 per set.
5. Pull the flex pipe down through the ceiling
support box, until it protrudes approximately
3" (76mm). Connect the flex pipe to the Retro
Connector by slipping it into the 4-3/4" diameter
sleeve on the top side of the Connector. Use 3
sheet metal screws to assemble these two parts.
6. Push the flex pipe back up into the ceiling support
box, center the Retro Connector, and attach it
to the support box, or decorative sleeve for
double wall solid packed pipe, with the sheet
metal screws (supplied). The holes in the Retro
Connector are pre-punched. Diagram 5.
Summary of Contents for Ultimate U39EX
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