Inhaltsverzeichnis
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CONTENTS
1.
1.1
2.
2.1
3.
3.1
3.2
3.3
3.4
3.5
3.6
4.
4.1
4.2
5.
6.
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7.
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.
9.
9.1
10.
11.
Prior to installation, read these installation
and operating instructions. Installation and
operation must comply with local regula-
tions and accepted codes of good prac-
tice.
1. General description
The UPE Series 2000 is a complete range of circula-
tor pumps with integrated differential pressure con-
trol enabling adjustment of pump performance to the
actual system requirements. In many systems, this
will mean a considerable reduction in power con-
sumption, prevent noise from thermostatic valves
and similar fittings, and improve the control of the
system.
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The desired head can be set on the pump control
panel.
Page
These instructions apply to the pump types
126
UPED 50-120, UPED 65-120, UPED 80-120 and
126
UPED 100-60.
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The pump offers the following functions:
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• Control of twin-head pump:
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- Alternating operation,
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- Standby operation,
127
- Synchronous operation,
128
- Single-pump operation.
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• Proportional-pressure control (factory setting).
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The head is changed in accordance with the flow
128
demand. The desired head can be set on the
128
pump control panel.
128
• Constant-pressure control. A constant head is
129
maintained, irrespective of flow demand. The
130
desired head can be set on the pump control
130
panel.
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• Constant curve duty. The pump runs at a con-
130
stant speed on or between the max. and min.
131
curves.
132
• Temperature influence. The head varies depend-
132
ing on the liquid temperature.
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• External fault signal via a potential-free output.
133
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• External analog control of head or speed from
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an external 0-10 V signal transmitter.
135
• External forced control via inputs for:
135
135
135
136
• Bus communication. As the UPE Series 2000
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incorporates an input for bus communication, the
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pump can be controlled and monitored by a
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GRUNDFOS Pump Management System 2000 or
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a building management system.
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• Remote control. The pump can be operated by
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means of the Grundfos wireless remote control
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R100.
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145
1.1 Master pump and slave pump
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145
Slave pump
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Fig. 1
Master pump
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