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Installation guide

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Table 2--Minimum Space Volumes for 100 % Combustion, Ventilation, and Dilution from Indoors
OTHER THAN FAN-ASSISTED TOTAL FAN-ASSISTED TOTAL
(1,000'S BTUH GAS INPUT RATE) (1,000'S BTUH GAS INPUT RATE)
30 40 50 44 66 88 110 132 154
ACH Space Volume Ft3 (M 3)
1,050 1,400 1,750 1,1 O0 1,650 2,200 2,750 3,300 3,850
0.60 (29.7) (39.6) (49.5) (31.1) (46.7) (62.2) (77.8) (93.4) (109.0)
1,260 1,680 2,1 O0 1,320 1,980 2,640 3,300 3,960 4,620
0.60 (35.6) (47.5) (59.4) (37.3) (56.0) (74.7) (93.4) (112.1) (130.8)
1,575 2,1 O0 2,625 1,650 2,475 3,300 4,125 4,950 5,775
0.40 (44.5) (59.4) (74.3) (46.7) (70.0) (93.4) (116.8) (140.1) (163.5)
2,1 O0 2,800 3,500 2,200 3,300 4,400 5,500 6,600 7,700
0.30 (59.4) (79.2) (99.1) (62.2) (93.4) (124.5) (155.7) (186.8) (218.0)
3,150 4,200 5,250 3,300 4,950 6,600 8,250 9,900 11,550
0.20 (89.1) (118.9) (148.6) (93.4) (140.1) (186.8) (233.6) (280.3) (327.0)
6,300 8,400 10,500 6,600 9,900 13,200 16,500 19,800 23,1 O0
0.10 (178.3) (237.8) (297.3) (186.8) (280.3) (373.7) (467.2) (560.6)
0.00 NP NP NP NP NP NP NP
(654.1) 0
NP NP
VENT THROUGH ROOF
NP = Not Permitted
TO
OUTDOORS
(305mm) 12"MAX I _J
lSQiN _11:1
PER2000 IIB
BTUi"
©
DUCTS
OUTiOORS _
PER 2000 _ I:IAI
BTUH* T
305mm 12"MAX | .
i,
I
CIRCULATING AIR DUCTS
1 SQ IN.
PER 4000
BTUH*
12_ (305mm)
SO IN.
PER
4000
3TUH*
cO
n-
O
o
a
F-
o
SQ IN.
PER
4000
BTUH*
12" (305mm)
MAX
12" MAX
(305mm)
1 SQ IN.
TO PER 4000
OUTDOORS BTUH*
CIRCULATINGDucTsAIR !
1 1 1 II
I I I I I
INTERIOR
HEATED
SPACE
i i
CIRCULATING AIR DUCTS
:305mm)
1 SQ IN.
PER 1000
BTUH* IN DOOR
OR WALL
UNCONFINED
SPACE
6" MIN (152mm)
(FRONT)0
1 SQ IN.
PER 1000
BTUH* IN DOOR
-- OR WALL
L 12" MAX(305mm)
*Minimum dimensions of 3-in. (76 mm).
NOTE: Use any of the following combinations of openings:
A&BC&DD&EF&G
A03174
Fig. 7 - Air for Combustion, Ventilation, and Dilution for
Outdoors
* Minimum opening size is 100 sq in. (64516 sq. mm)with minimum dimensions
of 3 in. (76 mm)
1-Minimum of 3 in. (76 mm) when type-B1 vent is used.
A03175
Fig. 8 - Air for Combustion, Ventilation, and Dilution from
Indoors