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Installation and Operation Manual
●
UNI2-VAV Electronic Thermostat
Nailor reserves the right to change any information concerning product or specification without notice or obligation.
Nailor reserves the right to change any information concerning product or specification without notice or obligation.
IOM-UNIVAVETINST
Date: 8-2021
Supersedes: NEW
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Se� ng the minimum damper posi� on
Press the
SETUP
key again and the LCD will display the
minimum damper posi� on. The factory default is 10% which
means the damper is driven 90% closed. Press the (
∆
) and (
)
keys to change the minimum damper posi� on. Posi� on may be
adjusted in 10% increments (Figure 3).
Figure 3
Se� ng the maximum damper posi� on
Press the
SETUP
key again and the LCD will display the maximum
damper posi� on for hea� ng and cooling. The factory default is
100% which means the damper can drive fully open. Press the
(
∆
) and (
) keys to change the maximum damper posi� on.
Posi� on may be adjusted in 10% increments (Figure 4).
Figure 4
Helpful Hint:
The maximum damper posi� on se� ng can help with air
balancing when no manual balancing dampers have been
installed.
SETUP
Startup
Replace the thermostat on the subbase and apply 24 Volts
power. The LCD will momentarily display all icons (Figure 1).
Figure 1
Entering the setup menu
Press and hold the
SETUP
key un� l the word DAMPER appears
on the LCD (Figure 2).
Figure 2
∆
∆