Vfd Pressure Control Valve Removal And Installation; Figure 178 - Vfd Pressure Control Valve M12 Connection; Figure 179 - Cim (Revisions A And B) J6 Connection - Danfoss Turbocor VTT Series Service Manual

4.5.2 VFD Pressure
Control Valve Removal
and Installation
Figure 178 - VFD Pressure
Control Valve M12
Connection
Figure 179 - CIM (Revisions
A and B) J6 Connection
Variable Frequency Drive Components
Removal:
1. Isolate the VFD power as described in the
this manual.
2. Unscrew the M12 connector from the top of the VFD cooling valve.
3. Remove the controls panel cover where CIM is located.
4. Remove VFD Pressure Control Valve Cable from the CIM at J6 (VFD Cooling). The numbers
referenced in Figure 180 (CIM (Revisions A and B) Wire Diagram) correspond to the numbers/
colors listed in Figure 178 (VFD Pressure Control Valve M12 Connection).
J7
1
AUX P/T SENSORS
24VDC CCM CAN
POWER
J2
1
J1
1
A figure representing CIM Revision C is not shown. The order of connectivity is the same between the
two (2)revisions.
5. Remove the cable.
"Electrical Isolation of the Compressor/VFD"
J6 Connector
J6
1
Comm
Reset
STAGING VFD COOLING
I-Lock
USB
CAN
I-Lock
Status
Status
1
COMPRESSOR INTERFACE MODULE
NOTE
J5
RUN 1
Fault Fault
EV
Status
Reset
STATUS
RS485-1 RS485-2
TX
J3 J4
RX 1
M-SV-VT-001-EN Rev. A
section of
TX
RX
139 of 165