Specifications

CVHE-SVN03D-EN 7
Customer Supplied
Remote Starter
Table 3. Current transformer and potential transformer wire sizing tables for customer supplied starter to chiller unit
control panel starter module 1A23
The maximum recommended wire length for secondary CT leads in a dual CT system are:
Wire AWG (mm2)
Maximum Wire Length Secondary CT Leads
Feet Meters
8 (10) 1362.8 415.5
10 (6) 856.9 261.2
12 (4) 538.9 164.3
14 (2.5) 338.9 103.3
16 (1.5) 213.1 65.0
17 (1) 169.1 51.5
18 (0.75) 134.1 40.9
20 (0.5) 84.3 25.7
Note:
1. Wire lengths are for copper conductors only.
2. Wire lengths are total “one way” distance that the CT can be from the Starter module.
The maximum recommended total wire length for PT’s in a single PT system:
Wire Gauge Max lead length (ft) Max lead length (m)
8 5339 1627
10 3357 1023
12 2112 643
14 1328 404
16 835 254
17 662 201
18 525 160
20 330 100
21 262 79
22 207 63
The maximum recommended total wire length (to and from) for PT leads in a dual PT system are:
Wire Gauge Max Wire Length
Primary (ft)
Max Wire Length
Primary (m)
Max Wire Length
Secondary (ft)
Max Wire Length
Secondary (m)
8 3061 933 711 217
10 1924 586 447 136
12 1211 369 281 85
14 761 232 177 53
16 478 145 111 33
17 379 115 88 26
18 301 91 70 21
20 189 57 44 13
21 150 45 34 10
22 119 36 27 8
Note: These wire lengths are for copper conductors only
Note: The above lengths are maximum round trip wire lengths. The maximum distance the PT can be located from the Starter module is 1/2 of the listed value.