Installation and Operating Instructions

Pump output terminal
Current: See nameplate.
IEC stranded 0.75 to 2.5 mm
2
.
IEC solid 1.0 to 4.0 mm
2
.
UL stranded or solid AWG 18 to 12.
Screw torque: 1.2 Nm.
Alarm relay terminals
277 VAC nominal and 24 VDC nominal.
Nominal current 10 mA to 2 A AC/DC.
Pilot duty.
UL: solid AWG 28 - 12, stranded AWG 30-12.
IEC: solid or stranded 0.2 - 2.5 mm
2
.
Stripping lenght: 7-8 mm.
Screw torque: 0.5 Nm.
Relay output 1 and 2
Minimum contact load: 10mA AC/DC.
Potential-free changeover contacts.
IEC: solid or stranded 0.2 - 2.5 mm
2
.
UL: solid AWG 28 - 12, stranded AWG 30-12.
Stripping lenght: 7-8 mm.
Screw torque: 0.5 Nm.
Digital input
IEC: solid or stranded 0.5 - 2.5 mm
2
, flexible 0.25 -
1.5 mm
2
.
UL: solid or stranded AWG 28-12.
Stripping length: 5-6 mm.
Digital input mode
Low logic level below 1.8
V.
High logic level higher
than 2.7 V.
Active can be HIGH or
LOW, set via Grundfos
GO Remote.
DIO terminals
Digital input mode
Low logic level below 1.8
V.
High logic level higher
than 2.7 V.
Active can be HIGH or
LOW, set via Grundfos
GO Remote.
Digital output mode
Open collector.
Current sink capability
75 mA, no sourcing.
Overcurrent protected.
Active can be HIGH or
LOW, set via Grundfos
GO Remote.
DIO terminals
Digital input mode
Low logic level below 1.8
V.
High logic level higher
than 2.7 V.
Active can be HIGH or
LOW, set via Grundfos
GO Remote.
Digital output mode
Open collector.
Current sink capability
75 mA, no sourcing.
Overcurrent protected.
Active can be HIGH or
LOW, set via Grundfos
GO Remote.
PTC
IEC: solid or stranded 0.2 - 2.5 mm
2
.
UL: solid AWG 28-12, stranded AWG 30-12.
Stripping length 7-8 mm.
Screw torque: 0.5 Nm.
Pt100 or Pt1000 inputs (Pt)
Use Pt100 for short wires.
Use Pt1000 for long wires.
Solid or stranded wire: AWG 28-12 or maximum 2.5
mm
2
.
IEC: solid or stranded 0.5 - 2.5 mm
2
, flexible 0.25 -
1.5 mm
2
.
UL: solid or stranded AWG 28-12.
Stripping length: 5-6 mm.
Power supplies, +24 V
Output voltage: 24 VDC - 10 % to + 10 %.
Maximum 250 mA on each terminal.
Weight
See nameplate.
Altitude
Maximum 2000 m.
Pollution degree
Category 3.
29
English (GB)