User Guide

23
19. Technical data
19.1 Supply voltage
1 x 208-230V 60Hz PE.
Cable: 0.5 - 1.5 mm² / 14-12 AWG.
See nameplate.
Recommended fuse size
Motor sizes from 0.33 to 1.5 hp: Max. 10 A.
Standard as well as quick-blow or slow-blow fuses may be used.
19.2 Leakage current
Earth leakage current < 3.5 mA.
The leakage currents are measured in accordance with
EN 60 355-1.
19.3 Inputs/output
Start/stop
External potential-free switch.
Voltage: 5 VDC.
Current: < 5 mA.
Screened cable: 0.5 - 1.5 mm² / 28-16 AWG.
Digital
External potential-free switch.
Voltage: 5 VDC.
Current: < 5 mA.
Screened cable: 0.5 - 1.5 mm² / 28-16 AWG.
Setpoint signals
• Potentiometer
0-10 VDC, 10 kΩ (via internal voltage supply).
Screened cable: 0.5 - 1.5 mm² / 28-16 AWG.
Maximum cable length: 100 m.
• Voltage signal
0-10 VDC, R
i
> 10 kΩ.
Tolerance: +0%/–3% at maximum voltage signal.
Screened cable: 0.5 - 1.5 mm² / 28-16 AWG.
Maximum cable length: 500 m.
• Current signal
DC 0-20 mA/4-20 mA, R
i
= 175 Ω.
Tolerance: +0%/–3% at maximum current signal.
Screened cable: 0.5 - 1.5 mm² / 28-16 AWG.
Maximum cable length: 500 m.
Maximum capacity of 24VDC supply for sensor: 40mA
Fault signal output
Potential-free changeover contact.
Maximum contact load: 250 VAC, 2 A.
Minimum contact load: 5 VDC, 10 mA.
Screened cable: 0.5 - 2.5 mm² / 28-12 AWG.
Maximum cable length: 500 m.
Bus input
Grundfos bus protocol, GENIbus protocol, RS-485.
Screened 3-core cable: 0.5 - 1.5 mm² / 28-16 AWG.
Maximum cable length: 500 m.
19.4 Other technical data
EMC (electromagnetic compatibility)
EN 61 800-3.
Residential areas - unlimited distribution,
corresponding to CISPR 11, class B, group 1.
Industrial areas - unlimited distribution,
corresponding to CISPR 11, class A, group 1.
Contact Grundfos for further information.
Enclosure class
Standard: IP 55 (IEC 34-5) (TEFC -Totally Enclosed Fan Cooled).
Insulation class
F (IEC 85).
Ambient temperature
• During operation: −4°F to 104°F.
• During storage/transport: −40°F to 140°F.
Relative air humidity
Maximum 95%.
Sound pressure level
<70 dB(A).
20. Disposal
Disposal of this product or parts of it must be carried out
according to the following guidelines:
1. Use the local public or private waste collection service.
2. In case such waste collection service does not exist or cannot
handle the materials used in the product, please deliver the
product or any hazardous materials from it to your nearest
Grundfos company or service workshop.
Grundfos.bk Page 23 Thursday, November 11, 2010 11:21 PM