Carrier 50HCQA07 Installation Instructions Manual

Also see for 50HCQD07: Installation instructions

36Table 10 — Menu Structure*MENU PARAMETERPARAMETERDEFAULTVALUEPARAMETERRANGE ANDINCREMENT† NOTESSTATUSECONO AVAIL NO YES/NOFIRST STAGE COOLING DEMAND (Y1–IN)YES = economizing available; the system can use outside air for free coolingwhen requiredECONOMIZING NO YES/NO FIRST STAGE COOLING RELAY OUTPUTYES = outside air being used for 1 stage coolingOCCUPIED NO YES/NOOCCUPIEDYES = OCC signal received from space thermostat orunitary controllerYES = 24 Vac on terminal OCCNO = 0 Vac on terminal OCCHEAT PUMP N/A** COOLHEATHEAT PUMP MODEDisplays COOL or HEAT when system is set to heat pump(Non-conventional)COOL Y1—IN OFF ON/OFFFIRST STAGE COOLING DEMAND (Y1-IN)Y1–I signal from space thermostat or unitary controller for cooling stage 1.ON = 24 Vac on terminal Y1–IOFF = 0 Vac on terminal Y1–ICOOL Y1—OUT OFF ON/OFFFIRST STAGE COOLING RELAY OUTPUTCool stage 1 Relay Output to stage 1 mechanical cooling(Y1–OUT terminal)COOL Y2—IN OFF ON/OFFSECOND STAGE COOLING DEMAND (Y2–IN)Y2–I signal from space thermostat our unitary controller for second stage cool-ing.ON = 24 Vac on terminal Y2–IOFF = 0 Vac on terminal Y2–ICOOL Y2—OUT OFF ON/OFF SECOND STAGE COOLING RELAY OUTPUTCool Stage 2 Relay Output to mechanical cooling(Y2–OUT terminal)MA TEMP _ _ . _ F 0 to 140 FSUPPLY 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 0 to 140 FDISCHARGE AIR TEMPERATURE, after Heating sectionDisplays when Discharge Air sensor is connected and displays measured dis-charge temperature.Displays _ _ . _F if sensor sends invalid value, if not connected, short or out-of-range.OA TEMP _ _ . _ F -40 to 140 FOUTSIDE AIR TEMPDisplays measured value of outdoor air temperature.Displays _ _ . _F if sensor sends invalid value, short orout-of-range.OA HUM _ _ % 0 to 100%OUTSIDE AIR RELATIVE HUMIDITYDisplays measured value of outdoor humidity fromOA sensor.Displays _ _% if not connected short, or out-of-range.RA TEMP _ _ . _ F 0 to 140 FRETURN AIR TEMPERATUREDisplays measured value of return air temperature fromRAT 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 fromRA sensor.Displays _ _% if sensor sends invalid value, if not connected, short or out-of-rangeIN CO2 _ _ _ ppm 0 to 2000 ppm SPACE/RETURN AIR CO2Displays value of measured CO2 from CO 2 sensor. Invalid if not connected,short or out-of-rangeDCV STATUS N/A ON/OFFDEMAND CONTROLLED VENTILATION STATUSDisplays ON if above setpoint and OFF if below setpoint, and ONLY if a CO2sensor 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