Manual Supplement
00809-0200-4661, Rev AA
April 2004
Rosemount 8712D
S-2
AC POWERED UNITS
This procedure describes how to upgrade an 8712C AC powered transmitter
to the 8712D AC powered electronics.
1. Disconnect power on the transmitter.
2. Remove 8712C Electronics (main board) from transmitter housing.
3. Remove 8712C line transformer and wiring harness from transmitter
housing.
4. Install 08712-0529-0002 wiring harness.
5. Install AC powered 8712D electronics (8712-0822-0001).
NOTE
Only use AC power with 8712-0822-0001 electronics.
Table 1-1. 8712-0833-0001 Kit
Contents
Item Number
Quantity
Description
C119980504-0104
1
SCREW, PHM ZNC PLTD, 8-32,
1
/
4
, SLF LKG, TP 1
C091400022
1
FUSE 250V, 1A, QUICK, AGC 1
08712-0667-0111
1
LABEL, WIRING 8712D, AC TERMAL PRINTED
08712-0822-0001
1
CKT CD ASSY 8712D (AC PWR)
C103680031
1
WASHER, METAL LOCK, INT, NO8
C099830007
4
STANDOFF HEX, M-F, SST, 6-32X
1
/
4
, X
7
/
8
08712-0529-0002
1
WIRING ASSY 8712D ELECTRONICS, LOCK
08712-0823-0001
1
SHIELD PLASTIC, SNAP-FIT, ABS, BLACK
08712-0571-0004
1
LABEL WARNING, WIRING COMPARTMENT
