15
Rated heating performance curve
Rated heating capacity
0.50
1.00
1.50
2.00
80
˚
F (27
˚
C)
70
˚
F (21
˚
C)
60
˚
F (16
˚
C)
60
˚
F (16
˚
C)
70
˚
F (21
˚
C)
80
˚
F (27
˚
C)
Outdoor ambient temp.
INPUT (RATIO)
CAPACITY (RATIO)
0.60
0.80
1.00
1.20
1.40
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
-26
-23
-21
-18
-15
-12
-9
-7
-4
-1
2
4
7
10
13
16
Outdoor ambient temp.
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
-26
-23
-21
-18
-15
-12
-9
-7
-4
-1
2
4
7
10
13
16
(
˚
FWB)
(
˚
CWB)
(
˚
FWB)
(
˚
CWB)
Heating input
Indoor intake air dry-bulb temperature (˚F DB)
Indoor intake air dry-bulb temperature (˚F DB)