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.krueger-hvac.com
Commissioning Guide for VPQ-2
Page: 6 of 10
Single Loop Operation
»In the “Physical” tab, click a diffuser and navigate to
“Identication”, then “Loop Number”.
- Each loop is dened as a zone.
- Each zone is controlled by a single thermostat.
- The last diffuser in the daisy chain must have the terminal
resistor in place.
»The loop should start with the number one.
- In the “Loop Number” eld, enter the number one and
press the “Write” button.
- When loop changes are made to the diffuser, any
attached thermostat will follow suit.
- Click on other diffusers shown in the window and update
the loop number to the same value.
- After you have entered all of your loop designations,
press the “Sync” button.
- After sync is complete, you will see warning messages
indicating new nodes; close the window.
»Here is an example of the nished setup.
Initial Power Up
»Motors run full open to full close for calibration.
NOTE: During this time, no adjustments can be made
(2 - 5 minutes, depending on size of network).
»Thermostat shows version number and cycles to
setpoint temperature.
»USB plugs into power pack.
Diffuser Commissioning & Setup
Commissioning via Software
»Open software from the Start menu and navigate to
“Rickard Air” as shown below.
»Click “Connect” icon.
»In the “USB” tab, enter the serial number of USB
module; click on the “Connect” button.
»Click “Sync” icon.
- Initial sync will show errors and warnings; close the
window.
General Rules
»The below mentioned process will work with any
combination of zones or diffusers.
»Anytime a thermostat is plugged or unplugged into
a diffuser, you will need to reset the setpoints and
setpoint limits.
»Any change to the quantity of loops require a re-sync
after completion.