HVAC A
PPLICATION
Honeywell
• 20
3.
HVAC A
PPLICATION
The drive contains a preloaded application for instant use.
The parameters of this application are listed in chapter 3.5 of this manual and explained in more
detail in chapter 3.6.
3.1
Specific functions of SmartVFD
The SmartVFD HVAC is an easy-to-use application for basic Pump and Fan applications where
only one motor and one drive is needed and also offers extensive possibilities for PID control.
Features
•
Loc/Rem-button
for easy change between Local (keypad) and Remote control place.
The remote control place is selectable by parameter (I/O or Fieldbus)
•
Control page
for easy operation and monitoring of the most essential values.
•
Run interlock
input (Damper interlock). Drive will not start before this input is activated.
•
Different
pre-heat modes
used to avoid condensation problems
•
Maximum output frequency 320Hz
•
Real-time clock and timer functions
available (optional battery required). Possible to
program 3 time channels to achieve different functions on the drive (e.g. Start/Stop and
Preset frequencies)
•
External PID-controller
available. Can be used to control e.g. a valve using the drive's
I/O
•
Sleep mode function
which automatically enables and disables drive running with
user defined levels to save energy.
•
2-zone PID-controller
(2 different feedback signals; minimum and maximum control)
•
Two setpoint sources
for the PID-control. Selectable with digital input
•
PID setpoint boost function
.
•
Feedforward function
to improve the response to the process changes
•
Process value supervision
•
Multi-Pump control
Summary of Contents for SmartVFD HVAC MR4
Page 7: ...Honeywell 5 SAFETY ...
Page 49: ...Honeywell 47 COMMISSIONING ...
Page 78: ...STARTUP Honeywell 6 ...
