Carrier 19XRV Start-Up And Service Instructions page 11

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11
1
15
13
(IP 21/54
NEMA 1/12)
13 (IP 20/Chassis)
To check DC bus voltage check voltage between terminal 1 and 2
as depicted below. To reach the DC bus location a voltmeter with
safety probe tip extenders must be utilized since the DC bus studs
are located far back in the drive. See Fig. 15 and static checks later
in this manual.
1
1 DC (+) Bus
2 DC (-) Bus
Fasteners are M5 studs.
Fig. 15 — DC Bus Location in D1h–D8h Drives
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9
16
1
6
2
5
14
3
12
Detail of Control Shelf
Fig. 14 — D Size Control Shelf Components
2
10
11
7
4
11
1 LCP (Local Control Panel) —
not provided
2
RS-485 Serial Bus Connector
3
Digital I/O and 24V Power Supply
4 Analog I/O Connector
5 USB Connector
6 Serial Bus Terminal Switch
7 Analog Switches (A53), (A54)
8
Relay (01, 02, 03)
9
Relay 2 (04, 05, 06)
10 Lifting Ring
11 Mounting Slot
12 Cable Clamp (PE)
13 Ground
14
Motor Output Terminals
96 (U), 97 (V), 98 (W)
15 Line Power Input Terminals
91 (R), 92 (S), 93 (T)
16 TB5 (IP21/54 only) Terminal block
for anti-condensation heater.
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