EasyManua.ls Logo

Carrier 48TC D/E24 Series - Page 37

Carrier 48TC D/E24 Series
64 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
37
Table 12 — Menu Structure
MENU PARAMETER
PARAMETER
DEFAULT
VALUE
PARAMETER
RANGE AND
INCREMENT
NOTES
STATUS
ECONO AVAIL NO YES/NO
FIRST STAGE COOLING DEMAND (Y1–IN)
YES = economizing available; the system can use outside air for
free cooling when required
ECONOMIZING NO YES/NO
FIRST STAGE COOLING RELAY OUTPUT
YES = outside air being used for 1 stage cooling
OCCUPIED NO YES/NO
OCCUPIED
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
COOL
HEAT
HEAT PUMP MODE
Displays COOL or HEAT when system is set to heat pump
(Non-conventional)
COOL Y1—IN OFF ON/OFF
FIRST STAGE COOLING DEMAND (Y1–IN)
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
FIRST STAGE COOLING RELAY OUTPUT
Cool stage 1 Relay Output to stage 1 mechanical cooling
(Y1–OUT terminal)
COOL Y2—IN OFF ON/OFF
SECOND STAGE COOLING DEMAND (Y2–IN)
Y2–I signal from space thermostat or 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
SECOND STAGE COOLING RELAY OUTPUT
Cool Stage 2 Relay Output to mechanical cooling
(Y2–OUT terminal)
MA TEMP _ _ . _ F
0°F to 140°F
(–18°C to 60°C)
SUPPLY AIR TEMPERATURE, Cooling Mode
Displays value of measured mixed air from MAT sensor.
Displays _ _ . _ F if not connected, short or out-of-range.
DA TEMP _ _ . _ F
0°F to 140°F
(–18°C to 60°C)
DISCHARGE AIR TEMPERATURE, after Heating section
Displays when Discharge Air sensor is connected and displays
measured discharge temperature.
Displays _ _ . _F if sensor sends invalid value, if not connected,
short or out-of-range.
OA TEMP _ _ . _ F
–40°F to 140°F
(–40°C to 60°C)
OUTSIDE AIR TEMP
Displays measured value of outdoor air temperature.
Displays _ _ . _F if sensor sends invalid value, short or
out-of-range.
OA HUM _ _ % 0 to 100%
OUTSIDE AIR RELATIVE HUMIDITY
Displays measured value of outdoor humidity from OA sensor.
Displays _ _% if not connected short, or out-of-range.
RA TEMP _ _ . _ F
0°F to 140°F
(–18°C to 60°C)
RETURN AIR TEMPERATURE
Displays measured value of return air temperature from RAT
sensor.
Displays _ _ . _ F if sensor sends invalid value, if not connected,
short or out-of-range
RA HUM _ _ % 0 to 100%
RETURN AIR RELATIVE HUMIDITY
Displays measured value of return air humidity from RA sensor.
Displays _ _% if sensor sends invalid value, if not connected,
short or out-of-range
IN CO2 _ _ _ ppm 0 to 2000 ppm
SPACE/RETURN AIR CO2
Displays value of measured CO
2
from CO
2
sensor. Invalid if not
connected, short or out-of-range
DCV STATUS N/A ON/OFF
DEMAND CONTROLLED VENTILATION STATUS
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 outdoor air damper actuator
ACT COUNT N/A 1 to 65535
Displays number of times actuator has cycled.
1 cycles equals 180 deg. of actuator 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
EXHAUST STAGE 1 RELAY OUTPUT
Output of EXH1 terminal:
ON = relay closed
OFF = relay open

Table of Contents

Related product manuals