a38-7122

 

LEGEND

EQUIP GND

Equipment Ground

NEC

National Electrical Code

NOTES:

1.Factory wiring is in accordance with UL 1995 standards. Field modifications or additions must be in compliance with all applicable codes.

2.All units or modules have single point primary power connection. Main power must be supplied from a field or factory-supplied disconnect.

3.Wiring for main field supply must be rated 75 C. Use copper conductors only.

a.Incoming wire size range for terminal block with MCA (minimum circuit amps) up to 175 amps is 14 AWG (American Wire Gage) to 2/0.

b. Incoming wire size range for terminal block with MCA from 175.1 amps to 420 amps is 2 AWG to 600 kcmil.

c. Incoming wire size range for non-fused disconnect with MCA up to 100 amps is 14 AWG to 1/0.

d. Incoming wire size range for non-fused disconnect with MCA from

100.1amp to 200 amps is 6 AWG to 350 kcmil.

e. Incoming wire size range for non-fused disconnect with MCA from

200.1amp to 450 amps is 3/0 to 500 kcmil.

4.Refer to certified dimensional drawings for exact locations of the main power and control power entrance locations.

Fig. 18 — Field Power Wiring

a38-7133

RETURN

 

AIR

 

EAT

FS1*

SAT

OUTSIDE

 

 

 

AIR

 

 

 

LEGEND

 

FAN

 

 

 

 

EAT — Evaporator Air Temperature Sensor

EVAPORATOR

 

FS1 — Fan Status Switch (24-v)

 

COIL

 

 

SAT — Supply Air Temperature Sensor

 

 

*FS1 can be pressure differential switch (shown), motor current detection, or sail switch.

DUCT

SUPPLY

Fig. 19 — EAT and SAT Sensor Layout

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Carrier 38APD025-100, 38APS025-050 installation instructions A38-7122, A38-7133, Equip GND, Nec

38APS025-050, 38APD025-100 specifications

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