Direct Vent Pipe Installation - Rheem RGFE Installation Instructions Manual

DIRECT VENT PIPE INSTALLATION

WARNING
READ AND FOLLOW ALL
INSTRUCTIONS IN THIS SEC-
TION. FAILURE TO PROPERLY
VENT THIS FURNACE CAN
CAUSE CARBON MONOXIDE
POISONING OR AN EXPLOSION
OR FIRE, RESULTING IN PROP-
ERTY DAMAGE, PERSONAL
INJURY OR DEATH.
Direct vent installations require a dedi-
cated combustion air and venting sys-
tem. All air for combustion is taken
from outside and all combustion prod-
ucts are discharged to the outdoors.
Therefore, no ventilation or combus-
tion air openings are required.
INSTALLATION
GUIDELINES
All exhaust piping must be installed in
compliance with Part 7, "Venting of
Equipment," of the latest edition of the
National Fuel Gas Code NPFA 54, 90A
and 90B ANSI Z223.1-, local codes or
ordinances and these instructions.
1. IMPORTANT: Do not common
vent with any other appliance. Do
not install in the same chase or
chimney with a metal or high tem-
perature plastic pipe from another
gas or fuel-burning appliance
unless the required minimum
clearances to combustibles are
maintained between the approved
PVC pipe and other pipes.
2. Use only medium or long radius
sweep elbows.
NOTE: For all installations. Extend
the combustion air exhaust pipe a
minimum of 18" vertically above
the furnace cabinet before turning
the vent.
3. Vertical piping is preferred.
4. Install all horizontal piping as fol-
lows:
• Slope horizontal vent piping
upward a minimum of 1/4" per foot
of run so that condensate drains
toward the furnace.
• Support horizontal vent piping at
least every four feet. No sags or
dips are permitted.
24
TABLE 7
®
DIRECT VENT APPLICATIONS
MAXIMUM ALLOWABLE LENGTH IN FEET OF EACH EXHAUST PIPE AND INTAKE PIPE
UPFLOW RGFE FURNACES
FURNACE PIPE
TERMINATION
INPUT SIZE
STANDARD
2"
CONCENTRIC
ALTERNATE
60,000
STANDARD
3"
CONCENTRIC
ALTERNATE
2" STANDARD
STANDARD
75,000
3" CONCENTRIC
ALTERNATE
STANDARD
90,000
3" CONCENTRIC
ALTERNATE
STANDARD
105,000
3" CONCENTRIC
ALTERNATE
STANDARD
CONCENTRIC
120,000
3"
ALTERNATE
ALTERNATE
DOWNFLOW AND DOWNFLOW/HORIZONTAL RGGE AND RGJF
FURNACE PIPE
TERMINATION
INPUT SIZE
STANDARD
2"
CONCENTRIC
60,000
STANDARD
3"
CONCENTRIC
STANDARD
2"
CONCENTRIC
75,000
STANDARD
3"
CONCENTRIC
STANDARD
90,000
3"
CONCENTRIC
STANDARD
105,000
3"
CONCENTRIC
STANDARD
120,000
3"
CONCENTRIC
NOTES:
1. N.R. - NOT RECOMMENDED.
2. MAXIMUM OF 6 ELBOWS MAY BE USED. DO NOT COUNT ELBOWS IN ALTERNATE TERMINATION KIT.
MEDIUM OR LONG SWEEP ELBOWS MAY BE USED.
3. A 45 OR 22.5 DEGREE ELBOW IS CONSIDERED ONE ELBOW.
4. CONCENTRIC TERMINATION NO. RXGY-E03 IS FOR THRU-THE-ROOF OR THRU-THE-WALL VENTING.
5. USE KITS RXGY-DO2 (2") OR RXGY-D03 (3") FOR STANDARD OR ALTERNATE THRU-THE-WALL
VENTING.
6. USE KITS RXGY-D04 FOR ALTERNATE VENTING OF 120,000 BTUH UNITS WITH LONG RUNS.
7. NO SCREENS MAY BE USED TO COVER COMBUSTION AIR AND EXHAUST.
* A = 17 1 ⁄ " CABINET WIDTH
2
B = 21" CABINET WIDTH
** ALTERNATE VENT NOT PERMITTED ON DOWNFLOW/HORIZONTAL MODELS.
NUMBER OF ELBOWS
1
22 ⁄ °, 45° OR 90°
2
VENT
MEDIUM / LONG
TERMINATION KIT
RADIUS ONLY
RECOMMENDED
1 - 2
RXGY-D02A/G02A
40'
RXGY-E03A/G02A
RXGY-D02A
30'
RXGY-D03A/G02A
120'
RXGY-E03A/G02A
RXGY-D03A 110'
RXGY-D02A/G02A 20'
RXGY-D03A/G02A
120'
RXGY-E03A/G02A
RXGY-D03A 100'
RXGY-D03A/G02A
110'
RXGY-E03A/G02A
RXGY-D03A 50'
RXGY-D03A/G02A
110'
RXGY-E03A/G02A
RXGY-D03A 50'
RXGY-D03/G02A
45'
RXGY-E03A/G02A
RXGY-D03A 45'
105'
RXGY-D04A
NUMBER OF ELBOWS
1
22 ⁄ °, 45° OR 90°
2
VENT
MEDIUM / LONG
TERMINATION KIT
RADIUS ONLY
RECOMMENDED
1 - 2
RXGY-D02A/G02A 30'
RXGY-E03A/G02A 30'
RXGY-D03A/G02A 120'
RXGY-E03A/G02A
120'
RXGY-D02A/G02A 20'
RXGY-E03A/G02A 20'
RXGY-D03A/G02A 120'
120'
RXGY-E03A/G02A
RXGY-D03A/G02A 70'
RXGY-E03A/G02A 70'
RXGY-D03A/G02A
45'
RXGY-E03A/G02A 45'
RXGY-D03A/G02A 40'
RXGY-E03A/G02A 40'
3 - 4 5 - 6
35' 30'
25'
20'
120' 120'
105' 100'
15' 10'
120' 120'
95' 85'
105' 95'
40' 35'
105' 95'
40' 35'
35' 30'
35' 30'
95' 90'
3 - 4 5 - 6
25' 20'
25' 20'
120' 120'
120' 120'
15' 10'
15' 10'
120'
120'
120' 120'
60' 55'
60' 55'
40' 35'
40' 35'
35' 30'
35' 30'