Trane BAYAIR30AVENTA Installer's Manual
INSTALLER'S GUIDE
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WARNING
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RAIN CAP
4" SDR-26 PIPE
2-1/2" SDR-26 PIPE
WYE- CONCENTRIC FITTING
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WARNING
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WARNING
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WARNING
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ALL phases of this installation must comply with
NATIONAL, STATE AND LOCAL CODES.
Model:
BAYAIR30AVENTA
Concentric Vent Kit for
Condensing Furnaces and Boilers
For use with *UH, *DH, M95, *UY, *DY, *UX, *DX,
*UC, *DC model Furnaces and TGCW130A90M0A
and TGXWW130A90M0A boilers
* may be A or T or C
IMPORTANT — This Document is customer proper ty and is to remain with this unit. Please return to service information pack upon completion of work.
NOTE:
Canada requires that all Category IV heating appliances use
venting material that meets ULC S636. This kit does not meet
these requirements and cannot be used.
DO NOT APPLY TO A NON-CONDENSING FURNACE.
Library
Product Section
Product
Model
Literature Type
Sequence
Date
File No.
Supersedes
18-CH34D1-7
Service Literature
Unitary
Unitary Accessories
Vents
Installer's Guide
02/12
18-CH34D1-7
18-CH34D1-56
0
INSTALLATION OR REPAIRS MADE BY UNQUALIFIED
PERSONS CAN RESULT IN HAZARDS TO YOU AND OTHERS. INSTALLATION MUST CONFORM WITH LOCAL CODES
OR, IN THE ABSENCE OF LOCAL CODES, WITH CODES OF
THE COUNTRY HAVING JURISDICTION. THE INFORMATION
CONTAINED IN THESE INSTRUCTIONS IS INTENDED FOR
USE BY A QUALIFIED SERVICE TECHNICIAN FAMILIAR WITH
SAFETY PROCEDURES AND EQUIPPED WITH THE PROPER
TOOLS AND TEST INSTRUMENTS. FAILURE TO CAREFULLLY READ AND FOLLOW ALL INSTRUCTIONS IN THESE
INSTRUCTIONS CAN RESULT IN FURNACE OR BOILER
MALFUNCTION, PROPERTY DAMAGE, PERSONAL INJURY
AND/ OR DEATH.
NOTE: Codes and local utility requirements governing the
installation of gas fired equipment, wiring, plumbing, and
flue connections must be adhered to. In the absence of local
codes, the installation must conform with the Nation Fuel
Gas Code ANSI Z223.1 "latest edition", or CAN/ CGA B149
Installation Codes. The latest code may be obtained from the
American Gas Association Laboratories 400 N. Capitol St.
NW, Washington D.C. 20001, 1-800-699-9277 or www.aga.
com
NOTE: Read the Installer's Guide before starting the installation. Refer to the Furnace or boiler Installer's Guide for
equivalent vent lengths. The BAYAIR30AVENTA is 5 equivalent feet.
INTRODUCTION
This Installer's Guide covers installation of the concentric vent
kit on all gas fired direct vent condensing furnaces.
NOTE: If these instructions differ from those packaged with
the furnace or boiler, follow these instructions.
DESCRIPTION AND USAGE
Kit Contents:
1 — Rain cap
1 — 4" Diameter SDR-26 Pipe, 23.75" Long
1 — 21/2" Diameter SDR-26 Pipe, 33.12"
1 — Wye concentric Fitting
Only one vent kit per each furnace or boiler is allowed.
Vent kit is for 2, 2-1/2 or 3 in. diameter pipe systems, (See
Figures 3, 4, 5, and 6 for the different applications.) Both
the combustion air and vent pipes must attach to the vent
kit. The vent kit must terminate outside of the structure and
should be installed vertically as shown in Figures 3 and 4, or
horizontal as shown in Figures 5 and 6.
NOTE: The roof vent location is preferred since it is less
susceptible to damage, has reduced chances to intake contaminants, and vent vapors are less visible.
THIS VENT KIT IS ONLY TO BE USED FOR VENTING CATEGORY IV FURNACES AND CONDENSING BOILERS. DO
NOT USE TO VENT CATEGORY I, II OR III VENT FURNACES
OR BOILERS. FAILURE TO FOLLOW THIS WARNING COULD
RESULT IN FIRE, PERSONAL INJURY OR DEATH.
INSTALLING AND SERVICING HEATING EQUIPMENT CAN
BE HAZARDOUS DUE TO GAS AND ELECTRICAL COMPONENTS. ONLY TRAINED PERSONNEL SHOULD INSTALL OR
SERVICE HEATING EQUIPMENT. FAILURE TO FOLLOW THIS
WARNING CAN RESULT IN PRODUCT DAMAGE, PERSONAL
INJURY AND/OR DEATH.
1
© 2012 Trane All Rights reserved
CONCENTRIC VENT KIT
DISCONNECT POWER SUPPLY BEFORE BEGINNING INSTALLATION TO PREVENT PERSONAL INJURY OR DEATH
FROM ELECTRICAL SHOCK AND EQUIPMENT DAMAGE.
Field supplied pipe and fittings are required to complete the
installation.
The combustion air and vent pipe and fittings must conform to
American National Standards Institute (ANSI) and American
Society for Testing and Materials (ASTM) standards D1785
(schedule-40 PVC), D2665 (PVC-DWV), D2441 (SDR-21 and
SDR-26 PVC), D2661 (ABS-DWV), or F628 (schedule-40 ABS).
Pipe cement and primer must conform to ASTM standards D2564
(PVC) or D2235 (ABS). In Canada, construct all combustion air
and vent pipes for this unit of CSA or ULC certified schedule-40
PVC/ABS-DWV pipe and pipe cement.
INSTALLER'S GUIDE
MAINTAIN 12 IN.
MINIMUM CLEARANCE
ABOVE HIGHEST
ANTICIPATED SNOW
LEVEL. MAXIMUM OF
24 IN. ABOVE ROOF.
VENT
COMBUSTION
AIR
REMOVE RIBS
FROM CAP
4.5" DIA
35.2" (typ.)
3" DIA PVC
VENT/EXHAUST
3" DIA PVC INTAKE/
COMBUSTION AIR
MAY BE
LENGTHENED TO 60" MAXIMUM
WITH FIELD REPLACEMENT PIPING.
DO NOT EXTEND MAIN BODY PIPES
WITH PIPE COUPLINGS.
MAIN BODY PIPES
21.125" (typ)
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WARNING
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CAUTION
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WARNING
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WARNING
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2 3
CONCENTRIC VENT KIT ASSEMBLED
INSTALLATION - ROOF TERMINATION (SEE FIG. 3)
1. Determine best location for termination kit.
2. Cut one hole (5 in. diameter) for vent kit.
6. Remove ribs from rain cap. Install the rain cap and the
CONCENTRIC VENT
ROOF TOP APPLICATION
small diameter pipe assembly in the Wye fitting and pipe
assembly. Ensure that the small diameter pipe is cemented
and bottomed into the Wye fitting.
NOTE: Ensure termination height is above the roof surface
or anticipated snow level (1 ft. in USA or 1 1/2 ft. in Canada)
as shown in Figure 4.
NOTE: If assembly is too short to meet the height requirement, the two pipes supplied in the kit may be replaced by
using same diameter, field supplied SDR-26 PVC (ASTM
D2241) pipe. Do not extend the 4" pipe (24" as shipped) to
more than 60 in. (See Figure 2).
DO NOT USE FIELD SUPPLIED COUPLINGS TO EXTEND
MAIN BODY PIPES (4" AND 2-1/2" PIPES). AIRFLOW RESTRICTION WILL OCCUR AND THE FURNACE OR BOILER
PRESSURE SWITCH MAY CAUSE INTERMITTENT OPERATION.
3. Partially assemble the vent kit. Clean the pipe ends and
adjoining sockets with PVC primer (ASTM F-656) and
cement using PVC cement (ASTM D-256).
a. Cement the Wye concentric fitting to larger diameter kit
pipe. (See Figure 1)
b. Cement the rain cap to smaller diameter kit pipe. (See
Figure 1)
NOTE: Instead of cementing the smaller pipe to the rain cap,
RTV silicon sealant may be used to permit future field disassembly for cleaning
4. Install Wye fitting and pipe assembly from the inside through
structure's hole. Install field supplied roof boot/ flashing.
NOTE: Do not allow insulation or other materials to accumulate inside pipe assembly when installing through hole.
5. Secure assembly to roof structure as shown in Figure 4 using
field supplied metal strapping or equivalent support material.
FAILURE TO REMOVE RIBS FROM RAIN CAP FOR VERTICAL VENT KIT INSTALLATIONS MAY CAUSE ICE OR SNOW
TO FORM ON THE RAIN CAP, LEADING TO AN INOPERABLE
FURNACE. FAILURE TO FOLLOW THIS WARNING COULD
RESULT IN PROPERTY DAMAGE, PERSONAL INJURY OR
DEATH.
NOTE: Kit supplied stainless steel screw will be used to secure the rain cap to the pipe.
DRILL A PILOT HOLE IN THE VENT PIPE FOR THE SCREW
SIZE BEING USED. FAILURE TO DRILL ADEQUATE HOLES
MAY CAUSE CRACKING OF THE PVC COMPONENTS, ALLOWING FLUE GASES TO BE RECIRCULATED. FAILURE TO
FOLLOW THIS WARNING COULD RESULT IN PROPERTY
DAMAGE, PERSONAL INJURY OR DEATH.
7. Cement the furnace or boiler combustion air and vent pipes
to the concentric vent termination assembly. See Figure 4
for proper pipe attachment.
8. CHECKOUT: Operate the furnace or boiler to make sure ALL
pipe joints are fastened and sealed to prevent the escape of
combustion products into the building.
NOTE: Two or more installations require a minimum separation distance of approximately one inch between vent kits.
DO NOT OPERATE THE FURNACE OR BOILER WITHOUT
THE RAIN CAP IN PLACE AS RECIRCULATION OF COMBUSTION PRODUCTS MAY OCCUR. WATER MAY ALSO COLLECT
INSIDE THE LARGER COMBUSTION AIR PIPE AND FLOW
TO THE BURNER ENCLOSURE. FAILURE TO FOLLOW THIS
WARNING COULD RESULT IN PRODUCT DAMAGE OR IMPROPER OPERATION, PERSONAL INJURY OR DEATH
Pub. No. 18-CH34D1-7Page 2
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