10
Table 3
─
Menu Structure
a
IMPORTANT:
Table 1 illustrates the complete hierarchy. Your menu parameters may be different depending on your configuration.
For example if you do not have a DCV (CO
2
) sensor, then none of the DCV parameters appear.
Menu
Parameter
Parameter
Default
Value
Parameter
Range and Increment
b
Notes
STATUS
ECON AVAIL
NO
YES/NO
YES = economizing available; the system can use
outside air for free cooling when required
ECONOMIZING
NO
YES/NO
YES = outside air being used for 1
st
stage cooling
OCCUPIED
NO
YES/NO
YES = OCC signal received from space thermostat
or unitary controller
YES = 24 Vac on terminal OCC.
NO = 0 Vac on terminal OCC.
HEAT PUMP
n/a
c
COOL
HEAT
Displays COOL or HEAT when system is set to heat pump
(Non-conventional)
COOL Y1─IN
OFF
ON/OFF
Y1─I signal from space thermostat or unitary controller for
cooling stage 1.
ON = 24 Vac on terminal Y1─I
OFF = 0 Vac on terminal Y1─I
COOL Y1─OUT
OFF
ON/OFF
Cool stage 1 Relay Output to stage 1 mechanical cooling
(Y1─OUT terminal)
COOL Y2─IN
OFF
ON/OFF
Y2─I signal from space thermostat our unitary controller for
second stage cooling.
ON = 24 Vac on terminal Y2─I
OFF = 0 Vac on terminal Y2─I
COOL Y2─OUT
OFF
ON/OFF
Cool Stage 2 Relay Output to mechanical cooling
(Y2─OUT terminal)
MA TEMP
_ _ . _
o
F
-40°F to 150°F
Displays value of measured mixed air from MAT sensor.
Displays _ _ . _
o
F if not connected, short or out-of-range.
DA TEMP
_ _ . _
o
F
-40°F to 150°F
Displays when Discharge Air sensor is connected and
displays measured discharge temperature.
Displays _ _ . _
o
F if sensor sends invalid value, if not con-
nected, short or out-of-range.
OA TEMP
_ _ . _
o
F
-40 to 140
o
F
Displays measured value of outdoor air temperature.
Displays _ _ . _
o
F if sensor sends invalid value, short or
out-of-range.
OA HUM
_ _%
0 to 100%
Displays measured value of outdoor humidity from OA
sensor.
Displays _ _% if not connected short, or out-of-range.
RA TEMP
_ _ . _
o
F
0 to 140
o
F
Displays measured value of return air temperature from
RAT sensor.
Displays _ _ . _
o
F if sensor sends invalid value, if not
connected, short or out-of-range
RA HUM
_ _%
0 to 100%
Displays measured value of return air humidity from RA
sensor.
Displays _ _% if sensor sends invalid value, if not con-
nected, short or out-of-range
IN CO2
_ _ _ppm
0 to 2000
(3500) ppm
Displays value of measured CO2 from CO2 sensor. Invalid
if not connected, short or out-of-range. May be adjusted in
Advanced menu by Zero offset and Span
DCV STATUS
n/a
ON/OFF
Displays ON if above setpoint and OFF if below setpoint,
and ONLY if a CO
2
sensor is connected.
DAMPER OUT
2.0V
2.0 to 10.0V
Displays voltage output to the damper actuator.
ACT POS.
n/a
0 to 100%
Displays actual position of actuator.
ACT COUNT
n/a
1 to 65,535
Displays number of times actuator has cycled. 1 Cycle
equals 180° of movement in any direction.
ACTUATOR
n/a
OK/Alarm (on
Alarm menu)
Displays Error if voltage or torque is below actuator range
EXH1 OUT
OFF
ON/OFF
Output of EXH1 terminal.
ON = relay closed; OFF = relay open.
