United Technologies Carrier WeatherMaker 50TC A08 Series, Руководство по установке, Страница: 39 / 80

39
Table 6 — 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 to 140 F
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 to 140 F
DISCHARGE AIR TEMPERATURE, after Heating section
Displays when Discharge Air sensor is connected and displays mea-
sured discharge temperature.
Displays _ _ . _F if sensor sends invalid value, if not connected, short or
out-of-range.
OA TEMP _ _ . _ F -40 to 140 F
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 to 140 F
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 CO
2
Displays value of measured CO
2
from CO
2
sensor. Invalid if not con-
nected, 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