General Information
CVRF-SVN005C-EN
9
•
“Loctite 565 Liquid Thread Sealant” (Trane part number
SLT00042) for installing pressure transducers. This
sealant type does not require the use of heat to break the
seal if a transducer needs to be replaced in the future.
•
“Loctite 277 Thread Lock” (Trane part number SLT00037
for a 10-ml tube, or Trane part number SLT00038 for a 50-
ml tube) for the adapter fittings used to convert the flare
connections previously required by the oil differential
pressure switch (1S2) from the existing control system to
allow installation of Symbio™ pressure transducers on the
copper oil lines.
Table 5.
Fusing added for 2F1, 2F2 and 2F3 (as needed) for optional PT transformers
Voltage (Vac)
Fuse (A)
Voltage (Vac)
Fuse (A)
200
1
600
1
230
1
2400
1
380
1
4200
1
460
1
3300
1
575
1
6600
1
Replacing an existing UCP2 control system with one based on
the Symbio™ control scheme requires a number of wiring and
hardware changes. To ensure that the chiller control system
retrofit procedure is performed properly, carefully review the
instructions in this section, and, if necessary, contact a
qualified service organization before beginning the work.
Important:
Record a detailed description of all
electricalchanges made during the Symbio™
retrofit process. Be sure to add a copy of this
report to the chiller record file for future
reference.
