KEY FUNCTIONS
The
A = ON/OFF KEY - When the Z2000RT is not locked, this
key allows the thermostat to be turned ON or OFF. When in the
OFF position, the damper is also driven closed.
B = STATUS KEY - Pressing the STATUS key displays the
UNIT number, ZONE number, DUCT temperature and
DAMPER position.
C and D = UP and DOWN KEYS - These keys are used to
increase or decrease the setpoint as well as change thermostat
setup values.
E = SETUP KEY - This key is used to toggle through the
thermostat
setup menu.
ATTACHING THE THERMOSTST TO THE SUB-BASE
When attaching the thermostat to the sub-base, first place the
hinged access cover on by fitting the plastic molded pins into
the grooves at the top of the thermostat. Carefully align the two
standoffs located at the top of the thermostat with the slots in
the top of the sub-base. Allow the thermostat to swing
downward and gently push until the connector pins are fully
seated into the terminal blocks.
THERMOSTAT SETUP
Apply 24 Volts power to the thermostat. The LCD Display
will momentarily display all icons as shown in Figure 1.
ENTERING THE SETUP MENU
Press twice and hold the SETUP key until the word DAMPER
appears on the LCD screen as indicated on Figure 2.
SETTING THE MINIMUM DAMPER POSITION
Press the SETUP key again and the LCD will
display the minimum damper position. The factory
default is 10% which means the damper is driven
90% closed after a heating or cooling call is satisfied.
Press the UP and DOWN keys to change the minimum
damper position. Position may be adjusted in
10% increments (see Figure 3).
SETTING THE MAXIMUM DAMPER POSITION
Press the SETUP key again and the LCD will display
the maximum damper position for heating and cooling.
The factory default is 100% which means the damper
can drive fully open with a call for heating or cooling.
Position may be adjusted in 10% increments using the
UP and DOWN keys as shown in Figure 4.
SETTING A UNIT NUMBER
Press the SETUP key again and the LCD will display
the word UNIT. The factory default is 00. This number
can be used to assign the Z2000RT to a particular
HVAC unit. Use the UP and DOWN keys to assign a
UNIT number from 00 to 99. (Figure 5)
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