Trane CVHH, Инструкция по установке, эксплуатации и обслуживанию

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Customer-Supplied Remote Starter Wiring
50 CVHH-SVX001A-EN
Current Transformer and Potential
Transformer Wire Sizing
For custom er-supplied starter-to-chiller unit control panel
starter m odule 1K23; these w ires m ust be separated from
120 Vac or higher w iring.
Table 15. M aximum recommended w ire length for
secondary CT leads in dual CT system
W ir e AW G
( a )
( a) For AWG/ MCM equivalent s in m m
2
, r efer t o Table 12, p. 47 . Wires, lugs,
and fuses/ br eaker s are sized based on Nat ional Elect r ic Code NEC
[ NFPA 70] and UL 1995.
M a x im u m W ir e Le n gt h
Se con da r y CT Le a ds
M e t e r s Fe e t
8 415.5 1362.8
10 261.2 856.9
12 164.3 538.9
14 103.3 338.9
16 65.0 213.1
17 51.5 169.1
18 40.9 134.1
20 25.7 84.3
Notes:
1 . Wir e lengt h is for copper conduct or s only.
2 . Wir e lengt h is t ot al one- w ay dist ance t hat t he CT can be fr om t he
st ar t er m odule.
Table 16. M aximum recommended total w ire length for
PTs in a single PT system
W ir e AW G
( a )
( a) For AWG/ MCM equivalent s in m m
2
, r efer t o Table 12, p. 47 . Wir es, lugs,
and fuses/ br eaker s are sized based on Nat ional Elect r ic Code NEC
[ NFPA 70] and UL 1995.
M a x im u m Le a d Le n gt h
M e t e r s Fe e t
8 1627 5339
10 1023 3357
12 643 2112
14 404 1328
16 254 835
17 201 662
18 160 525
20 100 330
21 79 262
22 63 207
Notes:
1 . Wir e lengt h is for copper conduct or s only.
2 . The above lengt h is m ax im um r ound t r ip w ir e lengt h. The m axim um
dist ance t he PT can be locat ed from t he st art er m odule is half of t he
list ed value.
Table 17. M ax recommended total w ire length (to and
from) for PT leads in a dual PT system
W ir e
AW G
( a )
( a) For AWG/ MCM equiv alent s in m m
2
, r efer t o Table 12, p. 47 . Wires, lugs,
and fuses/ br eaker s ar e sized based on Nat ional Elect r ic Code NEC
[ NFPA 70] and UL 1995.
M a x W ir e Le n gt h
Pr im a r y
M a x W ir e Le n gt h
Se con da r y
M e t e r s Fe e t M e t e r s Fe e t
8 933 3061 217 711
10 586 1924 136 447
12 369 1211 85 281
14 232 761 53 177
16 145 478 33 111
17 115 379 26 88
18 91 301 21 70
20 57 189 13 44
21 45 150 10 34
22 36 119 8 27
Notes:
1 . Wir e lengt h is for copper conduct ors only.
2 . The above lengt h is m axim um r ound t r ip w ir e lengt h. The m axim um
dist ance t he PT can be locat ed fr om t he st ar t er m odule is half of t he
list ed value.