SB-160-3
12
4.4
Oil connections
Observe the following for all retrofitted connections:
!
!
NOTICE
Risk of refrigerant loss!
Check the thread.
Carefully screw the adapter in and tighten it to
the prescribed tightening torque.
Test tightness before commissioning!
Pressure gauge connection on the oil valve for
maintenance
The pressure gauge connection on the oil valve for
maintenance is delivered with a screwing cap
(7/16-20 UNF). In case of any modification, proceed
very carefully.
CSVH:
Connecting an external oil cooler
External oil cooling allows operation under high thermal
load. A special adapter kit is necessary to connect the
external oil cooler. It closes the internal oil lines and en-
sures an effective oil flow into the oil cooler. See the
following figure for the mounting.
For further notes on connecting an external oil cooler,
see manual SH-170.
11b
11a
Fig. 8: Special adapter kit for connecting the external oil cooler for
CSVH2 and CSVH3
CSVW:
Connection for oil and gas return
Connection see chapter Connections and dimensional
drawings, page 13, position 17.
4.5
Capacity control, start unloading and V
i
control
These functions are executed automatically by the FI
control.