UDZ Venting Instructions
Table Of Contents
- VENTING INSTRUCTIONS FOR UNIT HEATERS (MODEL UBZ: SEPARATED-COMBUSTION BLOWER TYPE AND MODEL UDZ: SEPARATED-COMBUSTION FAN TYPE)
- GENERAL INFORMATION
- INSTALLATION
- APPENDIX: INSTRUCTIONS FOR ATTACHING DOUBLE-WALL TYPE B VENT PIPE TO SINGLE-WALL PIPE
- FIGURES
- Figure 1. Typical Combustion Air Inlet and Venter Outlet Connections
- Figure 2. Concentric Adapter Box
- Figure 3. Concentric Adapter Box Dimensions (Refer to Table 4)
- Figure 4. Concentric Adapter Box Connections (Refer to Table 4)
- Figure 5. Vent Terminal Options
- Figure 6. Option CC2 Components
- Figure 7. Option CC2 Installation
- Figure 8. Concentric Adapter Box Brackets
- Figure 9. Combustion Air Pipe Installation
- Figure 10. Combustion Air Pipe Through Roof
- Figure 11. Combustion Air Inlet and Vent Terminal
- Figure 12. Option CC6 Components
- Figure 13. Option CC6 Installation
- TABLES
- Table 1. Combustion Air Inlet and Venter Outlet Connection Sizes
- Table 2. Concentric (Outdoor) Pipe Sizes
- Table 3. Diameter and Length of Pipe from Heater to Concentric Adapter Box
- Table 4. Vent Pipe Opening Diameter
- Table 5. Concentric Adapter Box Vent Pipe Sizes
- Table 6. Vertical Vent Terminal/Combustion Air Package (Option CC2) Components
- Table 7. Minimum Spacing Between Center Lines of Vertical Vent Pipes
- Table 8. Horizontal Vent Terminal/Combustion Air Package (Option CC6) Components
- Table 9. Minimum Clearance Requirements for Horizontal Vent Termination Location
125.
TOP VIEW
SIDE VIEW
UDAS/UDBS Sizes
X* Y
ft M inches mm
030, 045
41 9
229
060, 075, 100 41 12 305
125, 150, 175, 200, 225 41 24 610
250, 300, 350, 400 62 36 914
*Minimum : check and comply with local codes.
Figure 13. Option CC6 Installation
INSTALLATION—CONTINUED
Vent Terminal Options—Continued
Horizontal Vent Terminal (Option CC6) Installation—Continued
16
CP-UBZ-UDZ-VENT (02-21) 1034632-0