ABB ACH550-UH User Manual page 618

3-12
Wiring overview
Connection diagrams – standard drive with input disconnect (wall mounted)
The following figure shows the Standard Drive with Input Disconnect (wall mounted)
wiring connection points. Refer to the ACH550-UH User's Manual page
control connections to the drive.
UL Type / NEMA 1 & 12
Vertical Construction
RHTR Temperature
HI / LO Jumper (X1)
Default Setting
(X1 jumper in LO position)
Alternate Setting
(X1 jumper in HI position)
The alternate (HI) setting further reduces the likelihood
of condensate in high humidity environments.
Installation
Enclosures
Motor
Terminals
Gnd
Input Power
Terminals
Disconnect Switch
or Circuit Breaker
Input Power
Terminals
I/O Conduit
(Bottom)
UL Type / NEMA 3R
Enclosures
Heater ON Heater OFF
Temperature Temperature
14.4 °C
58 °F
17.8 °C
64 °F
Disconnect Switch
or Circuit Breaker
Input Power
Terminals
I/O Conduit
(Bottom)
UL Type / NEMA 1 & 12
ACH550
Hinged Door Wall Mount
Ground
Lug(s)
21.4 °C
70.5 °F
24.7 °C
76.5 °C
ACH550-PCR/PDR User's Manual
1-315
I/O Conduit
Enclosures
for
(Top)
Motor
Terminals
ACH550
Motor
Terminals
Ground
Lug