Reznor VR Option - Option - Installation - L Tube - Manual (Page 2)

Form I-VR-L, P/N 205725 R2, Page 1
WARNING
Improper installation, adjustment, alteration, service, or maintenance can cause property damage,
injury or death. Read the installation, operation, and maintenance instructions thoroughly before
installing or servicing this equipment.
"L" Heat Exchanger Tube with Reflector, Option UC2
Form I-VR-L (Version B)
Obsoletes Form I-VR-L (Version A)
Applies To: Model VR
Description/
Application
The "L" shaped heat exchanger tube is used to adapt a Model VR tubular radiant
heater to a specific location. The "L" heat exchanger tube may be installed in any
length of system from 20 to 70 feet. Comply with the following requirements in position-
ing the "L" tube:
• Sizes 100, 125, and 150 require 20 ft (6.1M) of straight tube length before
installing an optional “L” tube.
• Sizes 175 and 200 require 30 ft (9.1M) of straight tube length before installing an
optional “L” tube.
• Use no more than two “L” tubes in a system.
• Optional 5-ft tube(s) may be used in a layout with an “L” tube.
The "L" shaped heat exchanger tube option includes a reflector which must be field
assembled and installed.
FIGURE 1 - Option
UC2 Components
5 - Coupling 6 - Wire Reflector Retainer,
Hanger Bar, Tube Bracket
and U-bolt with Nuts
Clamp and
bracket are in the
hardware bag.
Installation
Instructions
Reference Heater
Installation Manual,
Form I-VR
Installation should be done by a qualified agency in accordance with these instructions
and in compliance with all codes and requirements of authorities having jurisdiction.
1. Install the burner/control box, combustion chamber tube, and any heat exchanger
tubes before the "L" tube. Carefully read and follow the instructions in the heater
installation manual.
2. Turbulator Strip Sections - If the "L" tube is adjacent to the exhaust heat
exchanger tube and the heater is 40 to 70 feet in length, install two sections of the
turbulator strip in the straight heat exchanger tube before attaching the "L" tube.
2 - "L"
Reflector
Side
1- "L" Heat
Exchanger
Tube
3 & 4 - "L"
Reflectors
Option UC2, Package P/N 205217, includes:
Code Qty P/N Description
"L" Tube and Reflector Parts
1 1 205218 "L" Heat Exchanger Tube
2 1 268219 "L" Reflector Side
3 1 268225 "L" Reflector Half Right
4 1 268226 "L" Reflector Half Left
1 120677 "L" Tube Reflector Bracket (shipped in
parts bag below)
Coupling and Hardware for Tube Connection
5
1 205546 Compression Coupling
2 37661 #10x1/2" Self-drilling Screws (shipped in
parts bag below)
Wire Reflector Retainer, Hanger Bar, Tube Bracket, &
U-Bolt
6
1 209321 Wire Reflector Retainer
1 209322 Hanger Bar
1 205586 Reflector Bracket
1 131785 U-Bolt w/Brass Nuts (in parts bag below)
"L" Tube Kit Hardware Bag, P/N 205723, includes items
below plus the items above that indicate they are
shipped in the parts bag:
Hardware for assembling and attaching "L" tube reflector
15 113275 Screws, #10-32 x 1/2" long
15 26490 Nuts, Kep #10-32
2 113807 Washers
1 120716 1/2" Stainless Worm-drive Clamp
2 196336 Clip-on, spring steel Receptacle Nut
2 11813 #10x1/2" Sheetmetal Screws