Trane CVHH, Installation, Operation And Maintenance Manual

Page: 48 / 111

Electrical Requirements
48 CVHH-SVX001A-EN
Trane-Supplied Remote Starter Wiring
Table 13. Standard field power w iring requirements
Pow e r Su p ply W ir in g
t o St a r t e r Pa n e l
St a r t e r Pa n e l
Te r m in a ls
3- Phase Line Volt age L1, L2, L3, and GROUND
( a)
St a r t e r t o M ot or Pow e r W ir in g St a r t e r M ot or
Rem ot e St ar t er t o Chiller Mot or Junct ion Box T1 t hrough T6 T1 t hr ough T6
Pow e r Su pply W ir in g t o Un it - M ou n t e d
Con t r ol Pow e r Tr a n sfor m e r
( CPTR Opt ion a l)
Con t r ol Pow e r
Tr a n sfor m e r Te r m in a ls
3- Phase Line Volt age
( b)
6Q1- 1,3,5
Ground CPTR panel GND
St a r t e r t o Con t r ol Pa n e l
1 2 0 V a c Con t r ol W ir in g
St a r t e r Pa n e l
Te r m in a ls
Un it Con t r ol Pa n e l
Te r m in a t ion s
120 Vac Pow er Supply ( fr om st art er t o cont r ol
panel) 2X8- 1, 2X8- 2
2X8- G ( Gr ound)
1X1- 1, 1X1- 12
1X1- G ( Gr ound)
High Pr essure Cut out t o St ar t er 2X8- 4 1X1- 4
1F1 Cir cuit Breaker t o St ar t er 2X8- 3 1X1- 2
Oil Pum p I nt er lock 2X8- 7, 2X8- 8 1X1- 10, 1X1- 21
LV st ar t er Oil/ Refr igerant pum p st art 2X8- 24 1X1- 21
MV st ar t er Oil/ Refrigerant pum p st ar t 2X8- 14 1X1- 21
Oil/ Refr igerant pum p neut ral 2X8- 25 1X1- 16
St a r t e r t o Oil/ Re fr ig e r a n t Pu m p
Ju n ct ion Box
St a r t e r Pa n e l
Te r m in a ls
Oil/ Re fr ig e r a n t
Pu m p Ju n ct ion Box
Low Volt age 3- Phase Pum p Pow er 2X8- 21, 2X8- 22, 2X8- 23 4X4- 1, 4X4- 2, 4X4- 3
Medium Volt age 1- Phase Pum p Pow er 2X8- 12, 2X8- 13 4X4- 1, 4X4- 4
Low V olt a ge Cir cu it s
le ss t h a n 3 0 V a c
St a r t e r Pa n e l
Te r m in a ls
Un it Con t r ol Pa n e l
Te r m in a t ion s
St andar d Cir cuit s
I nt er Processor Com m unicat ions ( I PC)
Rem ot e Mount ed
( c)
2K32-J3- 3- 4, or
2X1- 12 t o 13 if pr esent ( do not
ground shield at st art er )
1T2-J53- 4
Shield gr ound at
1X1- G ( GND) only.
2 w ir e w it h gr ound
Com m link
Notes:
1 . All w ir ing t o be in accor dance w it h Nat ional Elect r ical Code and any local codes.
2 . Auxiliary equipm ent m ust be pow ered from ot her sour ces as t he chiller cont rol panel pow er supplies ar e sized for t he chiller loads only.
( a) Ground lug for a unit - m ount ed solid st at e st art er or w ye- delt a st art er is sized t o accept 14 AWG solid t o 8 AWG st rand w ire. For AWG/ MCM equivalent s
in m m
2
, r efer t o Table 12, p. 47 . I f local codes r equir e differ ent lug size, it m ust be field- supplied and - inst alled.
( b) Refer t o subm it t al and ship- w it h w ir ing schem at ics for v olt age r equir em ent s.
( c) Must be separat ed from 120 Vac and higher w ir ing.