Carrier 59SP5A Installation, Start-Up, Operating And Service And Maintenance Instructions page 12
100 series
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- Product data (15 pages) ,
- Installation, start-up, operating and service and maintenance instructions (78 pages) ,
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Table
3 - Minimum
Free Area
Required
for Each Combustion
Air Opening
or Duct to Outdoors
TWO HORIZONTAL
DUCTS
SINGLE DUCT OR OPENING
TWO OPENINGS OR
(1 SQ, IN,/2,000 BTUH)
(1 SQ, IN,/3,000
BTUH)
VERTICAL DUCTS
FURNACE
(1,100 SQ, MM/KW)
(734 SQ, MM/KW)
(1 SQ, IN,/4,000 BTUH)
INPUT
(550 SQ, MM/KW)
(BTUH)
Free Area of
Free Area of
Free Area of
Opening and
Round Duct
Opening and
Round Duct
Opening and
Round Duct
Duct
In, (mm) Dia
Duct
In, (mm) Dia
Duct
In, (mm) Dia,
Sq, In (Sq, mm)
Sq, In (Sq, mm)
Sq, In (mm)
40,000*
20 (12904)
5 (127)
14 (8696)
5 (127)
10 (6452)
4 (102)
80,000
30 (19355)
6 (152)
20 (13043)
5 (127)
15 (9678)
5 (127)
80,000
40 (25807)
7 (178)
27 (17391)
6 (152)
20 (12904)
5 (127)
100,000
50 (32258)
8 (203)
34 (21739)
7 (178)
25 (16130)
6 (152)
120,000
60 (38709)
9 (229)
40 (26087)
7 (178)
30 (19355)
6 (152)
140,000"
70 (45161)
10 (254)
47 (30435)
8 (203)
35 (22581)
7 (178)
*Not all families have these models.
I FURNACE
WATER
HEATER
100,000
+
30,000
=
60,000
+
40,000
=
80,000
+
30,000
=
EXAMPLES:
Determining
Free Area
TOTAL INPUT
(130,000 divided by 4,000)
=
32.5 Sq. In. for each two Vertical Ducts or Openings
(100,000 divided by 3,000)
=
33.3 Sq. In. for each Single Duct or Opening
(110,000 divided by 2,000)
=
55.0 Sq. In. for each two Horizontal Ducts
Table
4 - Minimum
Space
Volumes
for
100 % Combustion,
Ventilation
and
Dilution
Air
from
Outdoors
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
40
80
80
100
120
140
ACH
Space
Volume
Ft 3 (M 3)
1,050
1,400
1,750
1,400
1,500
2,000
2,500
3,000
3,500
0.80
(29.7)
(39.6)
(49.5)
(39.6)
(42.5)
(56.6)
(70.8)
(84.9)
(99.1)
1,260
1,680
2,1 O0
1,680
1,800
2,400
3,000
3,600
4,200
0.50
(35.6)
(47.5)
(59.4)
(47.5)
(51.0)
(67.9)
(84.9)
(101.9)
(118.9)
1,575
2,1 O0
2,625
2,1 O0
2,250
3,000
3,750
4,500
5,250
0.40
(44.5)
(59.4)
(74.3)
(59.4)
(63.7)
(84.9)
(106.1 )
(127.3)
(148.6)
2,1 O0
2,800
3,500
2,800
3,000
4,000
5,000
6,000
7,000
0.30
(59.4)
(79.2)
(99.1)
(79.2)
(84.9)
(113.2)
(141.5)
(169.8)
(198.1)
3,150
4,200
5,250
4,200
4,500
6,000
7,500
9,000
10,500
0.20
(89.1)
(118.9)
(148.6)
(118.9)
(127.3)
(169.8)
(212.2)
(254.6)
(297.1)
6,300
8,400
10,500
8,400
9,000
12,000
15,000
18,000
21,000
O. 10
(178. O)
(237.8)
(297.3)
(237.8)
(254.6)
(339.5)
(424.4)
(509.2)
(594.1)
0.00
NP
NP
NP
NP
NP
NP
NP
NP
NP
NP = Not Permitted
12
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