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Danfoss VLT HVAC Series User Manual

Danfoss VLT HVAC Series
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[196] Fire Mode The adjustable frequency drive is operating in fire mode. See parameter group24-0*
Fire Mode
.
[197] Fire Mode was act. The adjustable frequency drive has been operating in fire mode, but is now back in normal operation.
[198] Drive Bypass To be used as signal for activating an external electromechanical bypass switching the motor direct
on line. See 24-1*
Drive Bypass
.
If enabling the Drive Bypass function, the adjustable frequency drive is no longer
Safety Certified (for using the Safe Stop in versions where included).
The below setting options are all related to the cascade controller.
Wiring diagrams and settings for parameter, see group 25-** for more details.
[200] Full Capacity All pumps running and at full speed
[201] Pump1 Running One or more of the pumps controlled by the cascade controller are running. The function will also
depend on the setting of in par.25-06
Number Of Pumps
. If set to
No
[0] Pump 1 refers to the pump
controlled by relay RELAY1 etc. If set to
Yes
[1], Pump 1 refers to the pump controlled by the
adjustable frequency drive only (without any of the built-in relays involved) and Pump 2 to the pump
controlled by the relay RELAY1. See the table below:
[202] Pump2 Running See [201]
[203] Pump3 Running See [201]
Setting in Par. 5-3*
Setting in par.25-06
Number Of Pumps
[0] No [1] Yes
[200] Pump 1 Running Controlled by RELAY1 Adjustable frequency drive controlled
[201] Pump 2 Running Controlled by RELAY2 Controlled by RELAY1
[203] Pump 3 Running Controlled by RELAY3 Controlled by RELAY2
5-30 Terminal 27 Digital Output
Option: Function:
[0] * No operation Same options and functions as par. 5-3*.
[1] Control ready
[2] Drive ready
[3] Drive rdy/rem ctrl
[4] Stand-by / no warning
3 Parameter Description VLT
®
HVAC Drive Programming Guide
3-64
MG.11.C6.22 - VLT
®
is a registered Danfoss trademark
3

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Danfoss VLT HVAC Series Specifications

General IconGeneral
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit
Communication InterfacesProfibus, Ethernet
Cooling MethodForced convection
Ambient Temperature-10°C to +40°C
Enclosure RatingIP20, IP21, IP55
Output Voltage0 - 100% of supply voltage

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