S S t t a a r r t t u u p p
Table 51. Component static pressure drops Pa (SI) — 50 Hz (continued)
Nom. Std
L/s Std
Gas Heat
Tons
Air
(kW)
Low
5900
4
6290
4
146 (42)
6680
5
7070
5
7470
6
Note: Static pressure drops of accessory components must be added to external static pressure to enter fan selection tables.
Table 52. Supply air fan drive selections — 50 Hz
Nominal Tons
(kW)
23 (80)
25 (88)
29 (103)
33 (118)
42 (146)
For YC gas/electric only.
(a)
(b)
For TC and TE Cooling only and with electric Heat units only.
(c)
For YC gas/electric only.
82
Heating System
Electric Heat
1
2
High
Element
Elements
11
27
42
12
31
48
14
35
54
16
39
60
18
44
67
7.5 hp (5.6 kW)
rpm
Drive No
458
A
500
B
541
C
583
—
625
—
458
A
500
B
541
C
583
—
625
—
500
B
541
—
583
—
658
—
664
—
417
—
437
—
479
—
521
—
562
—
604
—
437
—
479
—
521
—
562
—
604
—
Standard
Efficiency ID
Throw-
Coil
away
Dry
Wet
Adder
78
115
34
86
126
36
96
139
41
115
162
46
126
176
48
10 hp (7.5 kW)
rpm
Drive No
—
—
—
—
—
—
583
D
625
(a)
E
—
—
—
—
—
—
583
D
625
E
—
—
541
C
583
D
—
—
—
—
417
H
437
J
479
K
—
—
—
—
—
—
437
J
479
K
—
—
—
—
—
—
Filters
MERV 14
MERV 8 High Eff
High Eff
50mm
100mm
100mm
62
55
84
67
60
88
82
72
100
91
82
112
98
86
124
15 hp (10 kW)
rpm
Drive No
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
658
(b)
F
664
(c)
G
—
—
—
—
—
—
521
L
562
M
604
N
—
—
—
—
521
L
562
M
—
—
Econo-
mizer
24
27
30
34
39
20 hp (15 kW)
rpm
Drive No
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
604
N
RT-SVX34R-EN