Carrier CRECOMZR102A00 - Advanced and I;O Configuration Settings; Advanced Parameter Settings; I;O Configuration Options

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Table 21 — Parameter Settings — Advanced
PARAMETER DESCRIPTION VALUE/RANGE DEFAULT
3FREEZE POS Anti-freeze protection damper position (closed or minimum).
CLO
MIN
CLO
3STG3 DLY Highest stage cooling delay time. 0...240m; increment by 5 15m
3SD ACT POS Damper position during shutdown (open or closed).
CLO
OPN
CLO
3DIF T LOC
MAT sensor location:
• Choose MAT if the sensor is installed before the DX (Direct Expansion) coil.
• Choose LAT if the sensor is installed after the DX coil.
• Choose AUTO to let the economizer controller automatically detect the
location.
MAT
LAT
AUTO
LAT
3LAT LOW
Low limit of leaving air temperature.
Dynamic item: Appears only if LAT or AUTO is selected for 3DIF T LOC.
35...65°F, increment by 1 45°F
3LAT HIGH
High limit of leaving air temperature.
Dynamic item: Appears only if LAT or AUTO is selected for 3DIF T LOC.
70...180°F, increment by 1 80°F
3OAT CAL OAT sensor calibration.
–2.5...2.5°F, increment by
0.5
0°F
3RAT CAL
RAT sensor calibration.
Dynamic item: Appears only if an RAT sensor is configured.
–2.5...2.5°F, increment by
0.5
—
3OAH CAL
OAH sensor calibration.
Dynamic item: Appears only if an OAH sensor is configured.
–10...10%, increment by 0.5 10%
3RAH CAL
RAH sensor calibration.
Dynamic item: Appears only if an RAH sensor is configured.
3MAT CAL MAT or LAT sensor calibration.
–2.5...2.5°F, increment by
0.5
0°F
3MAT SET Setpoint of MAT or LAT sensor. 38...70°F, increment by 1 53°F
3FRZ PROT Anti-freeze protection setpoint of MAT sensor. 35...55°F, increment by 1 45°F
3OAT LOCK OAT lockout setpoint for anti-freeze protection. –45...80°F, increment by 1 32°F
Table 22 — Parameter Settings — I/O Configurations
PARAMETER DESCRIPTION VALUE DEFAULT
6OCC
Configures if occupancy status receives signal from the connected thermostat or
is displayed as ALWAYS in the economizer controller.
T-STAT ALWAYS T-STAT
6AUX1-I
Auxiliary DI-1. Configurable as:
• None
• Cooling stage 3 (Y3) from thermostat
• Heat Conventional (W1) from thermostat
• Heat pump (reversing valve O)
• Heat pump (reversing valve B)
• Pre-occupancy signal from thermostat
• Shutdown signal from unit
NONE
Y3 IN W1
HP(O)
HP(B)
PREOCC
SHUTDWN
W1
6AUX2-I
Auxiliary DI-2. Configurable as:
• None
• Cooling stage 3 (Y3) from thermostat
• Heat stage 1 (W1) from thermostat
• Heat pump (reversing valve O)
• Heat pump (reversing valve B)
• Pre-occupancy signal from thermostat
• Shutdown signal from unit
NOTE: Whichever is chosen for 6AUX1-I does not appear in the list of 6AUX2-I.
NONE
Y3 IN
W1
HP(O)
HP(B)
PREOCC
SHUTDWN
NONE
6OAT SIG Configures signal type of OAT sensor.
0-10V
NTC10K
NTC10K
6RAT SIG Configures signal type of RAT sensor.
0-10V
NTC10K
NONE
NONE
6OAH SIG Configures signal type of OAH sensor. 0-10V
4-20mA
NONE
NONE
6RAH SIG Configures signal type of RAH sensor.
6MAT SIG Configures signal type of MAT or LAT sensor.
0-10V
NTC10K
NTC10K
6AUX-AI1
Auxiliary AI-1. Configurable as:
•CO
2
sensor
• Static pressure (temporarily for CFM commissioning) sensor
• None
PRESSURE
CO2
NONE
NONE
6X-AI1 SIG Configures CO
2
sensor type.
0-10V
2-10V
0-5V
0-10V
6CO2 Rng L Configures the low limit of CO
2
measuring range. 0...500; increment by 10 0
6C02 Rng H Configures the high limit of CO
2
measuring range.
1000...3000;
increment by 50
2000
6AUX-AI2
Choose ACT FB if feedback signal is available from the connected damper
actuator. Otherwise, choose NONE.
ACT FB
NONE
ACT FB