21
FIGURE 14
STANDARD VERTICAL DIRECT VENTING
FIGURE 15
STANDARD HORIZONTAL DIRECT VENTING
I407
3" MAX.
SEPARATION
36" MAX.
COMBUSTION AIR
PIPE
12" MIN.
SEPARATION
12" MIN. ABOVE
ROOF LEVEL
ROOF LINE
EXHAUST PIPE
COMBUSTION AIR PIPE
SUPPLY AIR
RETURN AIR
EXHAUST VENT
3"
MAX.
EXHAUST
VENT
ROOF LINE
COMBUSTION
AIR PIPE
12"
MIN.
12"
MIN.
ANTICIPATED
SNOW LEVEL
COMBUSTION
AIR PIPE
3"
MAX.
EXHAUST
VENT
12"
MIN.
12"
MIN.
3"
MAX.
12" MIN.
12" MIN. ABOVE
ANTICIPATED SNOW LEVEL
NOTES:
1
INCREASE THE 12-IN. MINIMUM
TO KEEP TERMINAL OPENING
ABOVE ANTICIPATED LEVEL OF
SNOW ACCUMULATION WHERE
APPLICABLE.
2
WHEN 3-IN. DIAM. PIPE IS USED,
REDUCE TO 2-IN. DIAMETER BEFORE
PENETRATING ROOF. A MAXIMUM
OF 18 IN. OF 2-IN. PIPE MAY BE
USED BEFORE PASSING
THROUGH ROOF.
3
SUPPORT VERTICAL PIPE EVERY 6
FEET.
4
EXHAUST TERMINATION - TERMINATE
THE LAST 12 INCHES WITH 2
”
PVC PIPE
ON 90,000 BTUH MODELS. REDUCE
AND TERMINATE THE LAST 12 INCHES
WITH 1
1
/
2
”
PVC PIPE ON 45,000 AND
60,000 BTUH MODELS. SEE DETAIL A.
5
30” MAXIMUM EXPOSED VENT
LENGTH.
6
THE COMBUSTION AIR PIPE MUST
TERMINATE IN THE SAME PRESSURE
ZONE AS THE EXHAUST PIPE.
7
NO SCREENS MAY BE USED TO
COVER COMBUSTION AIR AND
EXHAUST.
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 BTUH MODELS.
REDUCE AND TERMINATE THE LAST 12
INCHES WITH 1
1
/
2
”
PVC PIPE ON 45,000 AND
60,000 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.
7
THE COMBUSTION AIR PIPE MUST
TERMINATE IN THE SAME PRESSURE
ZONE AS THE EXHAUST PIPE.
8
NO SCREENS MAY BE USED TO COVER
COMBUSTION AIR AND EXHAUST.
9
NO ELBOWS CAN BE INSTALLED AT
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
3
5
5
5
4
6
1
6
2
48
”
MAX
30
”
MAX
4
5
30
”
MAX
EXHAUST
TERMINATION
DETAIL A
12
”
Содержание GRL SERIES
Страница 35: ...35 FIGURE 31 UT Electronic Controls 1095 104 IFC TWINNING CONNECTION SINGLE STAGE OPERATION...
Страница 36: ...36 FIGURE 32 UT ELECTRONIC CONTROLS 1095 104 CONTROL BOARD TWINNING CONNECTION TWO STAGE OPERATION...
Страница 48: ...48 FIGURE 39 TROUBLESHOOTING CHART CONTINUED Go to D Go to D Go to C Go to F 1...
Страница 50: ...50...
Страница 51: ...51...
Страница 52: ...52 CM 0206...