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SETUP (CONT.)
Se� ng the actuator speed
Press the SETUP key again and the LCD will display the actuator
speed. The factory default is 90 seconds which is the � me it
takes the actuator to drive the damper blade fully open or fully
closed. This is a cri� cal step in setup since the thermostat can
be used with a variety of 24 Volt actuators. If you are unsure
of the actuator speed, place the actuator in the fully closed
posi� on and then apply 24 Volts to common and power open.
The � me it takes to drive the damper blade fully open equals
the actuator speed se� ng (Figure 9).
Figure 9
Se� ng the modbus address
Press the SETUP key again and the LCD will display the Modbus
address. The factory default is 01.
The thermostat has integrated Modbus communica� on
capabili� es for remote monitoring and control. For more
informa� on, contact the factory (Figure 10).
Figure 10
Date: 8-2021
Supersedes: NEW
Nailor reserves the right to change any information concerning product or specification without notice or obligation.
Installation and Operation Manual
UNI2-VAV Electronic Thermostat
●
Temperature calibra� on off set
Press the SETUP key again and the LCD will display the
temperature calibra� on off set. The factory default se� ng is 0.
Typically, it is not necessary to adjust the temperature calibra� on
off set as the thermostat has been factory calibrated. If calibra� on
is necessary, a high quality electronic digital thermometer must
be used. Place the thermometer sensor probe next to the
thermostat sensor and allow fi ve minutes before comparing the
temperature readings. Use the (
temperature calibra� on. The range is +/- 9° F (Figure 11).
FIGURE 11
Figure 11
Saving se� ngs and exi� ng the setup menu
Press the ENTER key again and the thermostat will save the
setup menu se� ngs and exit the program. The LCD will display
the space temperature along with other normal opera� ng
func� ons. To review the thermostat se� ngs, simply press and
hold the SETUP key un� l the setup menu is displayed and then
toggle through the se� ngs. Press the ENTER key to exit the
setup menu. Remove the thermostat from the subbase and set
the Switch 1 in the ON posi� on to lock the thermostat which will
prevent setup changes from being made. When the thermostat
is locked, a padlock icon will be displayed on the LCD (Figure 12).
Figure 12
10 of 12
∆
) and ( ) keys to adjust the
l
Sensor Loca� on
IOM-UNIVAVETINST
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