158 Program features
Settings
Diagnostics
Parameter Additional information
Group 14 RELAY OUTPUTS Selections of relay outputs for starting and stopping of
motors
Group 18 FREQ IN & TRAN OUT Selections of relay outputs for starting and stopping of
motors (transistor output can be used as an additional
relay)
Group 44 PUMP PROTECTION Pump protection (pressure monitoring) settings
Group 81 PFC CONTROL;
8123
PFC control settings;
PFC/SPFC enable/disable
Actual signal Additional information
0116 Application block output signal
0162 RO 1 status
0163 TO status
0173 RO 2…4 status. With option MREL-01 only.
Alarm
AUTOCHANGE PFC Autochange function active
PFC I LOCK PFC interlocks active
INLET LOW, INLET VERY LOW Pressure at pump/fan inlet too low
OUTLET HIGH, OUTLET VERY
HIGH
Pressure at pump/fan outlet too high
Fault Additional information
PAR PFC REF NEG 2007 < 0
PAR PFC IO 1 Not enough relays parameterized for PFC.
Conflict between group 14 RELAY OUTPUTS,
parameter 8117 and parameter 8118.
PAR PFC IO 2 Parameter 8127 does not match the PFC motors in
group 14 RELAY OUTPUTS and parameter 8118
PAR PFC IO 3 Allocation of a digital input (interlock) for each PFC
motor not possible
INLET LOW, INLET VERY LOW Pressure at pump/fan inlet too low
OUTLET HIGH, OUTLET VERY
HIGH
Pressure at pump/fan outlet too high
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