Dutypoint VT Booster Set, O & M Manual

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English (GB)
21
Sensor signals
• Voltage signal
0-10 VDC, R
i
> 0 k Ω (via internal voltage supply).
Tolerance: + 0 %/- 3 % at maximum voltage signal.
Screened cable: 0.5 - 1.5 mm
2
/ 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 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m.
• Electricity supply to sensor:
+24 VDC, max. 40 mA.
+10 VDC, max. 2.5 mA.
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 mm
2
/ 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 mm
2
/ 28-16 AWG.
Maximum cable length: 500 m.
19. Other technical data
EMC (electromagnetic compatibility)
EN 61800-3.
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 classe
Standard: IP55 (IEC 34-5).
Insulation class
F (IEC 85).
Ambient temperature
• During operation: -20 °C to +40 °C.
• During storage/transport: -40 °C to +60 °C.
Relative air humidity
Maximum 95 %.
19.1 Sound pressure level
Single-phase motors:
< 70 dB(A).
Three-phase motors:
20. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
or service workshop.
Subject to alterations.
Motor
[kW]
Speed stated
on nameplate
[min
-1
]
Sound pressure
level
[dB(A)]
0.75
1400-1500 52
2800-3000 63
1.1
1400-1500 52
2800-3000 63
1.5
1400-1500 53
2800-3000 63
2.2
1400-1500 52
2800-3000 64
3.0
1400-1500 57
2800-3000 64
4.0
1400-1500 59
2800-3000 68
5.5
1400-1500 59
2800-3000 68
7.5 2800-3000 68