Regency U31-NG2 Indoor Fireplace User Manual


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U31 Regency Gas Insert
Model U31-NG2 U31-LP2
Fuel Type Natural Gas Propane
Minimum Supply Pressure 5” W.C. (1.25 kPa) 12” W.C. (2.99 kPa)
Manifold Pressure - High 3.8” W.C. (0.95 kPa) 11” W.C. (2.74 kPa)
Manifold Pressure - Low 1.1” W.C. (0.27 kPa) 2.9” W.C. (0.72 kPa)
Orifi ce Size -Altitude 0-2000 ft. #37 DMS #52 DMS
Orifi ce Size - Altitude 2000-4500 ft. #40 DMS #53 DMS
Minimum Input
Altitude 0-2000 ft. (0-610m)
14,500 BTU/h
(4.25 kW)
13,700 BTU/h
(4.02 kW)
Minimum Input
Altitude 2000-4500 ft. (610-1372m)
13,000 BTU/h
(3.81 kW)
12,400 BTU/h
(3.63 kW)
Maximum Input
Altitude 0-2000 ft. (0-610m)
30,000 BTU/h
(8.79 kW)
27,500 BTU/h
(8.06 kW)
Maximum Input
Altitude 2000-4500 ft. (610-1372m)
27,200 BTU/h
(7.97 kW)
25,000 BTU/h
(7.33 kW)
Vent Sizing 4” B-Vent 4” B-Vent
Optional
Hearth Trim
Risers
A
C
B
D
1" (25mm)
2" (51mm)
4" (102mm)
6" (152mm)
E
G
F
H
I
Dimension Description U31 Regency
A Faceplate Width 40-1/4” (1022mm)
B Faceplate Height 26-1/4” (667mm)
C Unit Width 27-7/8” (708mm)
D Unit Height 20-1/4” (514mm)
E Unit Depth 13-1/2” (343mm)
F Faceplate to Vent Centerline 11-3/4” (298mm)
G Faceplate Depth 1-3/8” (35mm)
H Height to Vent Collar 20-7/8” (530mm)
I Optional or Standard Front Depth 3-3/4” (95 mm)
U31 Regency Gas Insert
NOTE: This unit may also be installed into new construction using a Zero
Clearance Kit. Please refer to the Zero Clearance Kit Manual for
details.
Approved Venting Systems
Flex Vent Systems: FPI AstroCap™ Flex Vent
Minimum Fireplace Dimensions
The minimum fi replace dimensions for the FPI gas fi replace insert are
shown in the following diagrams:
L
M
J
K
N
Dimension Description
Contour
Faceplate
Molded
Faceplate
J Height 21” (533mm) 21” (533mm)
K Width 26-1/2” (673mm) 29” (737mm)
L Depth 15” (381mm) 16” (406mm)
M Max. Lintel Bar Depth 9” (229mm) 9” (229mm)
N Rear Width 22-1/2” (572mm) 22-1/2” (572mm)
119August 2008 Product Specifi cations Book
Gas Inserts
Gas Inserts