Manuals / Bard / Household Appliance / Air Conditioner

Bard Q42A1, Q30A1, Q36A1, Q60A1, Q24A1, Q48A1 CO2 Controller Part #8403-05624VAC Analog Out

Models: Q48A1 Q24A1 Q60A1 Q42A1 Q36A1 Q30A1

1 38

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FIGURE 20

UNIT MOUNTED THERMOSTAT WIRING DIAGRAM

“H” THERMOSTAT OPTION WITH CO2

CO2 Controller

Part #8403-056 24VAC

Analog

Out

		Y2
		A
		G
	Temp. and Humidity	Y1
	Controller	Y1
	Controller
	Part #8403-060	W1/E
		W2
		R
		C
	4102-071

Red	Red/White
Black	Black/White
Yellow			1
Yellow
Brown		Red/White	3
Brown	Black/White		Brown/White
Orange	Black/White		Brown/White
Orange

Green

Brown/White

Orange

Brown

Red/White

Black/White

Relay

4Part #8201-062

	Orange	Plug #2
	Orange	1
		1

Purple	3
	3
	4
	5
	6
Yellow	7
	7
Blue	8
	8
	9
	10
	11
	12

Manual	2100-522B
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Bard Q42A1, Q30A1, Q36A1, Q60A1, Q24A1, Q48A1 installation instructions CO2 Controller Part #8403-05624VAC Analog Out

Contents

AIR CONDITIONER INSTALLATIONQ-TECSERIES PACKAGED INSTRUCTIONSCONTENTS GETTING OTHER INFORMATION AND PUBLICATIONS FOR MORE INFORMATION, CONTACT THESE PUBLISHERSX X V X X Q-TEC Series General InformationQ 42 A Q-TEC MODEL NOMENCLATURE5 of TABLE FACTORY BUILT-INELECTRIC HEAT TABLEPage 2100-522BPage TABLE ELECTRICAL SPECIFICATIONSManual 6 ofPage UNIT DIMENSIONS FIGUREManual 7 ofFIGURE AIR SEAL UNDER QTEC UNIT SHIPPING DAMAGEUNIT REMOVAL FROM SKID FIGURE REMOVAL OF UNIT FROM SKIDGENERAL MINIMUM INSTALLATION HEIGHTHANDLING UNIT AFTER REMOVAL FROM SKID FIGURE UNIT ON APPLIANCE CARTManual FIGURE INSTALLATION WITH FREE BLOW PLENUM FIGUREDUCTED APPLICATION PageFIGURE SUPPLY DUCT CONNECTIONS DUCT WORKFILTERS FIGURE FILTER LOCATIONCONDENSATE DRAIN SERVICE LIGHTFRESH AIR INTAKE OPTIONAL REAR DRAIN KITSFIGURE FIGURE OPTIONAL SIDE DRAIN SIDE VIEW INSTALLATIONFIGURE STANDARD REAR DRAINTUBE MIS-2469WALL SLEEVE OVERFLOW TUBEFIGURE 12B If Used REMOVE KNOCK-OUTFOR INDOOR DRAIN HOSE CONNECTORFIGURE 12C MIS-2471MOVE HOSE FROM ATTACHMENT IN FIGURE 12DDRAIN HOSE FROM INDOOR DRAIN PAN LOWER DRAIN PAN AND SLIDE ONTOLower Control Panel Return Grille SleeveStud Washer Nut CondenserDoor Removed FIGURE 13A UNIT MOUNTINGFIGURE REMOVING LOCKING SCREWS FROM WHEELS INSTALLATION INSTRUCTIONSMOUNTING THE UNIT FIGURE COMPONENT LOCATION WIRING – MAIN POWERWIRING – LOW VOLTAGE WIRING TABLE OPERATING VOLTAGE RANGEGENERAL connectors while the power is onLOW VOLTAGE CONNECTIONS LOW VOLTAGE CONNECTIONS FOR DDC CONTROLWALL THERMOSTATS Predominant FeaturesTABLE FIGURE8403-058 W2 Brown RRed/White CBlack/White L Pink FIGURE UNIT MOUNTED THERMOSTAT WIRING DIAGRAM8403-060 GOrange Y2 Purple Brown/White Y1 Yellow Plug #2 1 2 3 4 5 6 7 8 9 10 11 128403-060 CO2 Controller Part #8403-05624VAC Analog Out GENERAL SAFETY PRACTICESSTART UP TOPPING OFF SYSTEM CHARGEconnectors while the power is on IMPORTANT INSTALLER NOTEPHASE MONITOR START UPAdjustable Delay On Make And Break Timer SERVICE HINTSADJUSTMENTS High Pressure Switch and Lockout SequenceBAROMETRIC FRESH AIR DAMPER Standard MIST ELIMINATOR SERVICEVENT OPTIONS ECONOMIZER OR COMMERCIAL ROOM VENTILATOR OptionPage Q-TEC ENERGY RECOVERY VENTILATOR OptionManual 31 ofPage FIGURE FRESH AIR DAMPER REMOVALManual 32 ofPage FIGURE QERV REMOVALManual 33 ofOPTIONAL CLIMATE CONTROLS SEQUENCE OF OPERATION PRESSURE SERVICE PORTSSEQUENCE OF OPERATION FIGURE CO2 CONTROLLER – FACTORY SET TO PPMSymptom Cause/Procedure TROUBLESHOOTING GE ECM MOTORSSymptom Cause/Procedure Don’tTROUBLESHOOTING GE ECM MOTORS CONT’D Replacing ECM Control ModuleTABLE FAN BLADE DIMENSIONS FAN BLADE SETTING DIMENSIONSFIGURE FAN BLADE SETTING R-410AALL TEMPERATURES IN DEGREES F TABLE COOLING PRESSURE