Trane-Supplied Starter Wiring - Trane CenTraVac CDHF Series Installation, Operation And Maintenance Manual

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Installation manual (36 pages)

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W W A A R R N N I I N N G G

L L i i v v e e E E l l e e c c t t r r i i c c a a l l C C o o m m p p o o n n e e n n t t s s ! !

F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w a a l l l l e e l l e e c c t t r r i i c c a a l l s s a a f f e e t t y y p p r r e e c c a a u u t t i i o o n n s s

w w h h e e n n e e x x p p o o s s e e d d t t o o l l i i v v e e e e l l e e c c t t r r i i c c a a l l c c o o m m p p o o n n e e n n t t s s c c o o u u l l d d

r r e e s s u u l l t t i i n n d d e e a a t t h h o o r r s s e e r r i i o o u u s s i i n n j j u u r r y y . .

W W h h e e n n i i t t i i s s n n e e c c e e s s s s a a r r y y t t o o w w o o r r k k w w i i t t h h l l i i v v e e e e l l e e c c t t r r i i c c a a l l

c c o o m m p p o o n n e e n n t t s s , , h h a a v v e e a a q q u u a a l l i i f f i i e e d d l l i i c c e e n n s s e e d d e e l l e e c c t t r r i i c c i i a a n n

o o r r o o t t h h e e r r i i n n d d i i v v i i d d u u a a l l w w h h o o h h a a s s b b e e e e n n p p r r o o p p e e r r l l y y t t r r a a i i n n e e d d

i i n n h h a a n n d d l l i i n n g g l l i i v v e e e e l l e e c c t t r r i i c c a a l l c c o o m m p p o o n n e e n n t t s s p p e e r r f f o o r r m m

t t h h e e s s e e t t a a s s k k s s . .

Table 15. Standard field power wiring requirements

Power Supply Wiring

to Starter Panel

3-Phase Line Voltage

3-Phase Line Voltage: Circuit Breaker

Starter to Motor Power Wiring

Remote Starter to Chiller Motor Junction Box

Starter to Control Panel

120 Vac Control Wiring

120 Vac Power Supply (from Starter to

Control Panel)

High Pressure Cutout to Starter

1Q1 Circuit Breaker to Starter

Oil Pump Interlock

Low Voltage Circuits

Less Than 30 Vac

Standard Circuits

Inter-processor Communications (IPC)

Remote-Mounted

Notes:

All wiring to be in accordance with National Electrical Code (NEC) and any local codes.

Oil pump motor: 1 Ph, 3/4 HP, 11.7 full load amps at 115 Vac.

Auxiliary equipment must be powered from other sources as the chiller control panel power supplies are sized for the chiller loads only.

(a)

Ground lug for a unit-mounted solid state starter or wye-delta starter is sized to accept 14 AWG solid to 8 AWG strand wire. If local codes require different

lug size, it must be field-supplied and -installed.

(b)

Wires, lugs, and fuses/breakers are sized based on National Electric Code NEC [NFPA 70] and UL 1995.

1Q1 Circuit Breaker to Starter connects to 2X16 Starter Panel Terminal for all starter types except the AFDG (Trane-supplied remote Danfoss AFD); for the

(c)

AFDG, 1Q1 Circuit Breaker to Starter connects to 2X13 Starter Panel Terminal.

(d)

Must be separated from 120 Vac and higher wiring.

N N o o t t e e : : Control Power Transformer (CPTR, Enhanced

Electrical Protection Package option): A unit-

mounted, factory-wired, separate enclosure

positioned next to the control panel is available

when separate source control power is required.

This permits the controls to remain powered

while the three-phase line voltage is

disconnected. Contact your local Trane