ABB ACS320 series User Manual Download

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MODEL SHOWN: ACS 320

VFD KEYPADS IN E-BOX

SUPPLEMENTAL
MANUAL

FACTORY-INSTALLED
ABB VARIABLE FREQUENCY
DRIVES (VFD)
IN RENEWAIRE
(ERV) VENTILATORS

RENEWAIRE.COM

TABLE OF CONTENTS

Product info ............................ 2

Installation ........................... 3-9

Operation ......................... 10-16

VFD KEYPADS IN E-BOX

Summary of Contents for ACS320 series

Page 1: ...FD KEYPADS IN E BOX SUPPLEMENTAL MANUAL FACTORY INSTALLED ABB VARIABLE FREQUENCY DRIVES VFD IN RENEWAIRE ERV VENTILATORS RENEWAIRE COM TABLE OF CONTENTS Product info 2 Installation 3 9 Operation 10 16...

Page 2: ...al s in accordance with all applicable codes standards and licensing requirements 4 Any structural alterations necessary for installation must comply with all applicable building health and safety cod...

Page 3: ...w the leader s speed or at a scaled speed The VFD s are pre programmed at the factory so only a few parameters need change for a speci c installation CONNECTING EXTERNAL CONTROLS If this ERV is equipp...

Page 4: ...und on the Internet at www abb com drives and selecting Sales Support and Service Network Softkey Auto OFF Hand Softkey Help Key Up Down Buttons The function of each Softkey changes and is shown just...

Page 5: ...ected directly to the VFD See Fig 2 3 SPEED SIGNAL CONNECTIONS Any SPEED Signal connections are made directly to the VFD see Figures 4 6 7 The VFDs can accept 4 20mA or 0 10vdc analog control signals...

Page 6: ...9 10 11 12 15 8 7 6 5 4 3 2 1 AGND A01 AGND AI2 10V AGND AI1 SCR VFD FA 9 10 11 12 15 8 7 6 5 4 3 2 1 AGND A01 AGND AI2 10V AGND AI1 SCR VFD EA 17 19 PARAMETER SETTINGS FA VFD Parameter Setting Param...

Page 7: ...Speed Signal to the EA VFD Use shielded cable and ground the shield to Terminal 1 on either VFD 1 1 9 1 6 5 9 XVLQJ YGF 1 1 9 1 6 5 9 XVLQJ P RQQHFWLRQV IRU YGF RQWUROOHU 6HW XPSHU RU VZLWFK WR 27720...

Page 8: ...in this example since it is controlled as a Follower If it is desired that the VFDs should shut off when CO2 levels drop below a setpoint connect the Normally Open contacts of the CO2 controller term...

Page 9: ...auspices of the American Society of Heating Refrigerating and Air Conditioning Engineers ASHRAE BACnet is an American national standard a European standard a national standard in more than 30 countrie...

Page 10: ...ange the VFD parameters as required for the speci c controls system see Control Connections and VFD Parameters below for examples see also the ABB Manuals Press the AUTO switch on the keypad 230V Powe...

Page 11: ...eter 3 Press the SAVE softkey to set the Parameter to the selected value TO VIEW ONLY CHANGED VFD PARAMETERS 1 If EXIT is displayed above the left softkey press softkey repeatedly until MENU appears a...

Page 12: ...or scaling and offsetting the input to the VFD output 1302 MAXIMUM AI1 100 100 Sets maximum value for analog input Used for scaling and offsetting the input to the VFD output 1304 MINIMUM AI2 20 1 20...

Page 13: ...abb com drives SUMMARY TABLE OF COMMONLY USED PARAMETERS CONT NOTE Parameters not listed in this Table are shipped at ABB s default settings for the HVAC Application Macro Name Selection ABB HVAC Defa...

Page 14: ...NSE LEVEL is the level of measurement of indoor air quality or occupancy at which the ERV should be operating at the Design Maximum Supply Air ow Do not change PARAMETER 2003 MAX CURRENT from RenewAir...

Page 15: ...he Maximum Response Level The engineer wants the ERV to Run at a minimum of 700 CFM regardless of CO2 levels in order to control the level of indoor air pollutants generated by the furnishings Start t...

Page 16: ...value of the analog signal from the controller when CO2 600ppm 6 Set the parameters that will scale the response of the VFD to the inputs from the CO2 controller Set Parameter 1301 MINIMUM AI 1 to 55...