Section five, Service & maintenance – Trane INTELLIPAK ™ ™ ™ ™ ™ Commercial Single-Zone Rooftop Air Conditioners with CV or VAV Control User Manual
Page 102
100
Service & Maintenance
Table 5-1
Control Settings and Time Delays
Control Description
Elec. Designation
Contacts Open
Contacts Closed
Compressor Circuit Breakers
S*HF 20 - 60
1CB8 thru 1CB11
See Table 5-2
See Table 5-2
S*HG 90 - 130
1CB14 thru 1CB17
See Table 5-2
See Table 5-2
Combustion Airflow Switch
(Gas Heat Only)
4S25
see note 1
0.1 - 0.25" wc rise in press diff
High Limit Cutout
(Gas Heat Only)
4S26
250 + 15 F
210 F
Supply Airflow Switch
(Gas Heat Only)
4S38
0.03 - 0.12" wc
0.15 + 0.05" wc rise in press diff
Disch High Limit
(Electric Heat Only)
4S27
133 + 5 F
110 + 5 F
Linear High Limit
(Electric Heat Only)
4S33
185 + 10 F (std./UL)
145 F (std./UL)
165 F + 10 F (CSA)
125 F (CSA)
Freezestat
(Hydronic Heat Only)
4S12
(N.O.) Auto Reset
40 F
Gas Heat Units
Prepurge Timer: Fenwall
4DL5
N.C. - timed to close
60 seconds
Honeywell
4U18
internal timing function
60 seconds
Sequencing Time Delay Relay
4DL6
N.C. - timed to close
60 seconds + 20%
Notes:
1. The combustion airflow switch (4S25) differential is 0.02" - 0.08" wc.
Table 5-2
Compressor Circuit Breakers (1CB8 - 1CB11 & 1CB14 - 1CB17) Electrical Characteristics
200V
230V
460V
575V
Unit Compr.
Compr.
Must
Must
Must
Must
Must
Must
Must
Must
Size
Desig.
Size
Hold Trip
Hold
Trip
Hold
Trip
Hold
Trip
20
A & B
9 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
25
B
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
A
9 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
30
A & B
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
40
1,2A & 1,2B
9 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
50
1B, 2B
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
1A, 2A
9 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
55
1,2A & 1,2B
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
60
1,2A & 1,2B
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
70
1,2C
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
1,2A & 1,2B
9 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
75 Std.
1,2C
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
1,2A & 1,2B
9 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
75
1,2C
15 ton
76
87.4
76
87.4
33
38
26.4
30.4
Hi-Cap 1,2A & 1,2B
10 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
90
1,2B & 1,2C
15 ton
76
87.4
76
87.4
33
38
26.4
30.4
1,2A
10 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
105
1A,1B & 1C
15 ton
76
87.4
76
87.4
33
38
26.4
30.4
2A,2B & 2C
115
1,2C & 1,2D
15 ton
76
87.4
76
87.4
33
38
26.4
30.4
1,2A & 1,2B
10 ton
51
58.7
51
58.7
22.2
25.5
17.7
20.4
130
1,2C & 1,2D
14 ton
76
87.4
76
87.4
33
38
26.4
30.4
1,2A & 1,2B