Rheem 90RT07EES Series User Manual

30
F
IGURE 22
S
TANDARD VERTICAL DIRECT VENTING
U
PFLOW MODEL SHOWN (TYPICAL FOR DOWNFLOW MODELS)
FIGURE 23
STANDARD HORIZONTAL DIRECT VENTING
UPFLOW MODEL SHOWN (TYPICAL FOR DOWNFLOW MODELS)
I
407
3
" MAX.
SEPARATION
COMBUSTION AIR
P
IPE
12" MIN.
S
EPARATION
12" MIN. ABOVE
R
OOF LEVEL
ROOF LINE
EXHAUST PIPE
COMBUSTION AIR PIPE
SUPPLY AIR
RETURN AIR
EXHAUST VENT
3
"
MAX.
EXHAUST
V
ENT
R
OOF LINE
COMBUSTION
A
IR PIPE
12"
MIN.
12" MIN.
ANTICIPATED
S
NOW LEVEL
COMBUSTION
A
IR PIPE
3
"
MAX.
EXHAUST
V
ENT
12"
MIN.
12" MIN.
3
"
M
A
X.
1
2
"
M
I
N
.
1
2
"
M
I
N
.
A
B
O
VE
A
N
T
I
C
I
PA
T
ED SN
O
W L
EVEL
5
NOTES:
1
THE COMBUSTION AIR PIPE MUST
TERMINATE IN THE SAME PRESSURE
Z
ONE AS THE EXHAUST PIPE.
2
I
NCREASE THE 12-IN. MINIMUM
TO KEEP TERMINAL OPENING
ABOVE ANTICIPATED LEVEL OF
S
NOW ACCUMULATION WHERE
APPLICABLE.
3
W
HEN 3-IN. DIAM. PIPE IS USED,
REDUCE TO 2-IN. DIAMETER BEFORE
P
ENETRATING ROOF. A MAXIMUM OF
18 IN. OF 2-IN. PIPE MAY BE USED
BEFORE PASSING THROUGH ROOF.
4
SUPPORT VERTICAL PIPE EVERY 6
FEET.
5
EXHAUST TERMINATION - TERMINATE
T
HE LAST 12 INCHES WITH 2” PVC PIPE
ON 90,000 AND 120,000 BTUH MODELS.
REDUCE AND TERMINATE THE LAST
1
2 INCHES WITH 1
1
/2”
PVC PIPE ON
45,000 THROUGH 75,000 BTUH
MODELS. SEE DETAIL A.
6
30” MAXIMUM EXPOSED VENT
L
ENGTH.
PITCHED ROOF INSTALLATIONS
NOTES:
1
SUPPORT HORIZONTAL PIPE
EVERY FOUR FEET.
2
WHEN 3 IN. PIPE IS USED REDUCE TO 2 IN.
BEFORE PENETRATING OUTSIDE WALL.
3
18 IN. MAXIMUM. 2 IN. DIAMETER PIPE MAY
BE USED INSIDE THE WALL.
4
DETAIL “A” - EXHAUST TERMINATION
TERMINATE THE LAST 12 INCHES WITH 2”
PVC PIPE ON 90,000 AND 120,000 BTUH
MODELS. REDUCE AND TERMINATE THE
LAST 12 INCHES WITH 1
1
/2” PVC PIPE ON
45,000 THROUGH 75,000 BTUH MODELS.
5
INCREASE THE 12 IN. MINIMUM ABOVE
GRADE TO KEEP TERMINAL OPENINGS
ABOVE ANTICIPATED LEVEL OF SNOW
ACCUMULATION WHERE APPLICABLE.
6
DETAIL “B”, INSTALL WIND DEFLECTOR
VANE IN 2 IN. PVC COUPLING IN VERTICAL
POSITION USING PVC SOLVENT.
THE COMBUSTION AIR TERMINATION MUST
BE IN THE SAME PRESSURE ZONE AS THE
EXHAUST TERMINATION.
3”
12”
4”
4”
SEE DETAIL A
VANE
2” PVC
COUPLING
12” MIN. ABOVE
GRADE LEVEL
5
SEE DETAIL B
2” OR 3” TEE
W/DRAIN TRAP
RETURN AIR
TRAP
SUPPLY AIR
EXHAUST PIPE
COMBUSTION AIR PIPE
CONNECT
TO DRAIN
12”
4”
EXHAUST
INTAKE
OPTIONAL
INTAKE
DETAIL C
EXHAUST / INTAKE RELATIONSHIP
EXHAUST TERMINATION
DETAIL A
COMBUSTION AIR TERMINATION
DETAIL B
1
2
3
I407
4
5
5
5
12”
4
6
1
2
3
EXHAUST
T
ERMINATION
DETAIL A
30ⴖ MAX
30ⴖ MAX

Rheem 90RT07EES Series Specifications

General

Brand	Rheem
Model	90RT07EES Series
Category	Furnace
Language	English