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Control HVAC for VFD with selector
switches

60 Hz, North America

Installation and operating instructions

GRUNDFOS

INSTRUCTIONS

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Содержание Control HVAC

Страница 1: ...Control HVAC for VFD with selector switches 60 Hz North America Installation and operating instructions GRUNDFOS INSTRUCTIONS...

Страница 2: ......

Страница 3: ...Control HVAC for VFD with selector switches English US Installation and operating instructions 4 3 Table of contents...

Страница 4: ...placed under warranty shall be warranted for twelve months from the date of the repair not to exceed the original warranty period This warranty does not cover parts damaged by decomposition from chemi...

Страница 5: ...ng the product 3 1 Inspecting the product Before installing the product do the following 1 Check that the product is as ordered 2 Check that no visible parts have been damaged 3 If parts are damaged o...

Страница 6: ...e next subcabinet if any differential pressure sensors from air handling zones 5 Commissioning the product 5 1 Setting the product 5 1 1 Setting the pump bank The controller must be unlocked 1 Go to P...

Страница 7: ...zone sensor fails a Enable alarm on bypass valve failure Enable if you want the controller to give an alarm when the bypass valve fails 1 The zone in focus is the zone in operation with the greatest...

Страница 8: ...formation 4 2 Mechanical installation See page 5 4 2 Mechanical installation See page 5 9 1 Navigating the display See page 14 5 1 8 Setting the zone bank sensors 5 1 8 1 Setting the pressure sensors...

Страница 9: ...pen the isolating valve of one chiller Do not start the chillers The controller prevents the pumps from starting if the isolating valves of all chillers are closed 4 Set the first pump selector switch...

Страница 10: ...settings 5 Speed of the pump bank 6 Speed reference currently calculated by the controller for the pump bank 7 Power consumption of the whole system Pos Description 8 Grundfos Eye It indicates the sta...

Страница 11: ...ge 10 7 1 4 Alarms Some devices of the system can send a warning or alarm signal depending on the degree of the issue It will be visible on the display The detailed description of the alarm or warning...

Страница 12: ...ing to the number of chillers in operation the controller adapts the pump operation to maintain a differential flow across the chillers within the allowed range If the bypass valve is controlled by th...

Страница 13: ...A system has three zone sensors with setpoints of 2 3 and 4 bar If the deadband has been set to 0 4 bar the bypass valve does not react when the measured value is between 3 6 and 4 4 bar The referenc...

Страница 14: ...h between the submenus such as status settings etc 9 2 Operating the controller remotely 1 Make sure that the system selector switch is in position Auto Remote 2 Go to Menu Settings Communication chan...

Страница 15: ...for user access 1 Go to Menu Settings General settings 2 Select the password you want to modify 3 Enter the new password 4 Press Enter Related information 7 11 User access See page 13 9 11 Unlocking t...

Страница 16: ...e front panel to Manual Local The chillers are switched off Switch on the chillers one at a time The chillers are defective Check the power supply isolating valve contactor etc of the chiller The cabl...

Страница 17: ...s on The VFD is on Cause Remedy Check the alarm log for alarms Fix the problem if needed Reset the alarm and check that it has been removed from the list The pump is stopped manually via the switch on...

Страница 18: ...he signal is within the range OK EL3051 1 channel analog input 4 20 mA single ended 12 bit only for version with 4 20 mA bypass valve On The signal is within the range OK Off The signal is off or outs...

Страница 19: ...Phone 281 994 2700 Toll Free 1 800 955 5847 Fax 1 800 945 4777 Peerless Pump 2005 Dr Martin Luther King Jr US 46202 Indianapolis Indiana U S A Phone 317 925 9661 Canada GRUNDFOS Canada Inc 2941 Brigh...

Страница 20: ...8 ECM 1236081 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos...

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