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Terminal No.
Function
Base module SIOX 1 SIOX 2
-
-
66, 67
68, 69
70, 71
72, 73
Motor overload cutout, condenser fan 9 *
Motor overload cutout, condenser fan 10 *
Motor overload cutout, condenser fan 11 *
Motor overload cutout condenser fan 12 *
78, 79
-
-
External alarm or speed controller fault with activated compressor combined control
80, 81
-
-
Fast unload - external OFF
82, 83
84, 85
-
-
Load shedding stage 1
Load shedding stage 2
86, 87
-
-
Load shedding stage 3
or
emergency operation
88, 89
-
-
Setpoint toggle (day / night operation)
90, 91
-
-
Heat recovery
92, 93
-
-
Burst disk
or
Z2 compressor 2 HP/oil differential pressure switch
94, 95
-
-
Level control (refrigerant low liquid level)
96, 97
-
-
Z2 compressor 2 motor overload cutout
* Special features for the digital inputs for control of the condenser fans:
1. When HP combined control is active, the digital inputs of the motor overload circuits for the
condenser fans can be used for monitoring the HP speed controller.
2. For "parallel" or "stages" combined control, the digital input of the motor overload circuit n (n =
number of fans +1) is used for the monitoring of the FC speed controller. This only applies if
ebmpapst fans are deactivated.
3. If
connected to the Modbus are
actuated for the regulation. The digital inputs on the basic construction and the SIOX are then
available for other functions.
If the digital input
fast unload external OFF
(terminals 80/81) is used for any safety-critical application,
additional measures for the monitoring must be taken.
Summary of Contents for VS 3015 C
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