Carrier WeatherMaster 48HC14 Installation Instructions Manual

34STATUS(cont)COOL Y2—IN OFF ON/OFFSECOND STAGE COOLING DEMAND (Y2–IN)Y2–I signal from space thermostat or unitary controller forsecond stage cooling.ON = 24 vac on terminal Y2–IOFF = 0 vac on terminal Y2–ICOOL Y2—OUT OFF ON/OFFSECOND STAGE COOLING RELAY OUTPUTCool Stage 2 Relay Output to mechanical cooling(Y2–OUT terminal)MA TEMP _ _ . _ °F(or _ _ . _ °C)–40°F to 150°F(–40°C to 66°C)SUPPLY AIR TEMPERATURE, Cooling ModeDisplays value of measured mixed air from MAT sensor.Displays _ _ . _ F if not connected, short or out of range.DA TEMP _ _ . _ °F(or _ _ . _ °C)–40°F to 150°F(–40°C to 66°C)DISCHARGE AIR TEMPERATURE, after Heating sectionDisplays when Discharge Air Sylk Bus sensor is connected anddisplays measured discharge temperature.Displays _ _ . _F if sensor sends invalid value, if not connected,short or out of range.OA TEMP _ _ . _ °F(or _ _ . _ °C)–40°F to 140°F(–40°C to 60°C)OUTSIDE AIR TEMPDisplays measured value of outdoor air temperature.Displays _ _ . _F if sensor sends invalid value, short or out ofrange.OA HUM _ _ % 0 to 100%OUTSIDE AIR RELATIVE HUMIDITYDisplays measured value of outdoor humidity from OA Sylk Bussensor.Displays _ _% if not connected short, or out of range.RA TEMP _ _ . _ °F(or _ _ . _ °C)0°F to 140°F(–18°C to 60°C)RETURN AIR TEMPERATUREDisplays measured value of return air temperature from RATSylk Bus sensor.Displays _ _ . _ F if sensor sends invalid value, if not connected,short or out of rangeRA HUM _ _ % 0 to 100%RETURN AIR RELATIVE HUMIDITYDisplays measured value of return air humidity from RA Sylk Bussensor.Displays _ _% if sensor sends invalid value, if not connected,short or out of rangeIN CO2 _ _ _ ppm 0 to 2000 ppmSPACE/RETURN AIR CO 2Displays value of measured CO 2 from CO 2 sensor. Invalid if notconnected, short or out of range. May be adjusted in Advancedmenu by Zero offset and Span.DCV STATUS N/A ON/OFFDEMAND CONTROLLED VENTILATION STATUSDisplays ON if above set point and OFF if below set point, andONLY 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 actuatorACT COUNT N/A 1 to 65,535Displays number of times actuator has cycled.1 cycle equals 180 degrees of actuator movement in anydirection.ACTUATOR N/A OK/Alarm (onAlarm menu) Displays ERROR if voltage or torque is below actuator range.EXH1 OUT OFF ON/OFFEXHAUST STAGE 1 RELAY OUTPUTDisplays ON when damper position reaches programmedpercentage set point.Output of EXH1 terminal:ON = relay closedOFF = relay openEXH2 OUT OFF ON/OFFEXHAUST STAGE 2 RELAY OUTPUTOutput of AUX1 O terminalDisplays ON when damper position reaches programmedpercentage set point.ON = 24 vac outputOFF = No outputDisplays only if AUX1 O = EXH2ERV OFF ON/OFFENERGY RECOVERY VENTILATOROutput of AUX1 O terminal; displays only if AUX1 O = ERVON = 24 vac outputOFF = No OutputMECH COOL ONorHEAT STAGES ON0 0, 1, or 2Displays stage of mechanical cooling that is active.Displays the stage of heat pump heating that is active.FAN SPEED N/A LOW or HIGH SUPPLY FAN SPEEDDisplays speed setting of fan on a 2-speed fan unit.W (HEAT IN) N/A ON/OFF HEAT DEMAND STATUSDisplays status of heat demand on a 2-speed fan unit.Table 12 — W7220 Menu Structure* (cont)MENU PARAMETERPARAMETERDEFAULTVALUEPARAMETERRANGE ANDINCREMENT†EXPANDED PARAMETER NAMENotes