York UC User Manual
Page 5
258931-BTG-A-0606
Unitary Products Group
5
NOTE:Do not exceed minimum/maximum CFM limits shown under Air
Flow Data.
APPLICATION LIMITATIONS
These units must be installed in accordance with all national and
local safety codes.
Air flow must be within the minimum and maximum limits approved
for electric heat, evaporator coils and outdoor units.
COOLING CAPACITY - COIL ONLY
*
Model Coil
Rated CFM
Entering Air °F (Wet Bulb)
MBH@ Evaporator Temperature and Corresponding Pressure °F / PSIG
35 / 61.5
40 / 68.5
45 / 76.0
50 / 84.0
uncased upflow
UC18A
UC18B
60
72
23.3
21.3
19.0
17.5
67
21.5
19.5
17.3
14.9
62
17.7
15.6
13.5
11.4
57
14.4
12.4
10.4
8.0
UC24A
UC24B
800
72
27.4
25.0
22.3
19.4
67
25.3
22.9
20.3
17.5
62
20.8
18.4
15.9
13.4
57
16.9
14.6
12.2
9.4
UC30A
UC30B
1000
72
35.2
32.0
28.6
24.8
67
32.4
28.6
25.3
21.9
62
26.6
23.6
21.5
18.7
57
25.2
22.7
20.2
17.6
UC36A
1150
72
46.8
42.7
37.9
33.0
67
43.1
39.2
34.9
30.4
62
35.3
32.1
28.6
24.9
57
33.3
26.9
26.9
23.4
UC36B
UC36C
1200
72
49.3
44.9
39.9
34.7
67
45.4
41.3
36.7
32.0
62
37.2
33.8
30.1
26.2
57
35.0
28.3
28.3
24.6
UC42B
UC42C
1400
72
86.7
73.0
59.2
44.9
67
69.4
57.2
45.2
33.1
62
54.0
42.3
33.4
26.8
57
46.4
40.0
33.4
26.8
UC48C
UC48D
1600
72
62.4
56.8
50.5
44.4
67
57.4
53.2
46.5
40.5
62
47.1
42.8
38.1
33.2
57
44.3
40.3
35.8
31.2
UC60C
UC60D
1800
72
95.4
82.1
68.4
54.0
67
76.4
64.1
52.2
39.9
62
59.6
47.4
38.6
32.4
57
51.2
44.8
38.6
32.4
* See Condensing Unit or Heat Pump Technical Guide for Total Cooling Capacity and Sensible Capacity.
APPLICATION FACTOR-RATED CFM VS. ACTUAL CFM
% OF RATED AIR FLOW 80% 90% RATED CFM 110% 120%
CAPACITY FACTOR
0.96 0.98
1.00
1.02
1.03
Entering Air Temperature Limits
Wet Bulb Temp. ºF
Dry Bulb Temp. ºF
Min.
Max.
Min.
Max.
57
72
65
95