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TABLE 1:
CYCLE LENGTH TABLE
OUTDOOR START MINUS OUTDOOR TEMPERATURE (ALL TEMPERATURES IN °F)
*
95
90
85
80
1
45
41
37
33
2
57
51
46
41
3
C
59
54
48
4
C
C
C
55
5
C
C
C
6
C
C
C
7
C
C
C
8
C
C
C
9
C
C
C
10
C
C
C
11
C
C
C
12
C
C
C
13
C
C
C
14
C
C
C
15
C
C
C
16
C
C
C
*Heat Adjustment
Setting—See "Heat Adjustment—Hot Water" on page
EXAMPLE
To determine the ON cycle length, use the example values below:
•
Outdoor temperature = 30°F
•
Outdoor start = 55°F
•
Heat Adjustment = 7
Subtract the outdoor temperature from the Outdoor start (55–30 = 25°F).
1
2
Refer to Table 1 where the Heat Adjustment row "7" intersects with the 25°F column. The Cycle-ON time is 14 minutes
(for a 60 minute cycle).
NOTE
For different cycle lengths based on the conditions of the above example, refer to the table below:
|
12
HEAT-TIMER CORP.
75
70
65
60
29
25
22
18
37
33
28
25
43
38
33
29
49
43
38
34
C
55
49
43
38
C
C
55
49
43
C
C
C
54
48
C
C
C
C
53
C
C
C
C
59
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
MINUTES ON (BASED ON 60 MINUTE CYCLE LENGTH)
C= CONTINUOUS OPERATION
CYCLE LENGTH
20
30
90
55
50
45
40
35
15
13
10
8
5
21
18
15
12
9
25
21
18
15
12
29
25
21
17
14
33
28
24
20
17
37
32
27
23
19
42
36
31
26
22
47
40
35
29
25
52
45
39
33
27
58
50
43
37
31
C
56
48
41
34
C
C
53
45
38
C
C
59
51
43
C
C
C
56
47
C
C
C
C
53
C
C
C
C
59
56.
DIVIDE BY
CYCLE-ON
3
2
2/3
03
STEAM HEATING
30
25
20
15
10
3
2
0
0
7
5
3
1
9
7
5
3
11
9
6
4
13
10
8
6
15
12
9
7
18
14
11
8
20
16
13
10
23
18
15
11
25
21
16
13
10
28
23
19
15
11
32
26
21
16
13
35
29
23
18
14
39
32
26
20
16
44
36
29
23
17
49
40
32
25
19
5
7
21
059705–00 REV. B
5
1
0
0
0
0
0
0
1
0
0
2
1
0
4
2
1
5
3
2
6
4
3
7
5
4
9
6
5
7
6
8
7
9
7
11
8
12
9
13
10
15
12
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