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Carrier 40RU manual TXV Sensing Bulb Location, Vertical Installation, Horizontal Installation

Models: 40RU

1 40

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40RU

	TXV	EQUALIZER LINE
UPPER	TXV
UPPER	SENSING
SPLIT	BULB
				SOLENOID
				VALVE
		TXV		SIGHT
AIRFLOW	15 DIAMS	TXV		GLASS
	MIN	10
		DIAMS
		8 DIAMS
		MIN
		EQUALIZER		FILTER
	TXV	LINE		FILTER
LOWER	SENSING			DRIER
SPLIT	BULB
AIRFLOW	15 DIAMS	TXV
AIRFLOW	15 DIAMS	10
	MIN	10
		DIAMS
		8 DIAMS
		MIN	INDOOR
			COIL

LEGEND:

TXV – Thermostatic Expansion Valve

NOTE: Component location arrangemetshown for field installation of sight glasses, solenoid valves, filter driers, and TXV sensing bulbs. The TXVs and equilizer lines are factory installed.

Fig. 9 - Face-Split Coil Suction and Liquid Line Piping (Typical)

C10726

FIRST ON/LAST OFF = B

VERTICAL INSTALLATION

FIRST ON/LAST OFF = A

HORIZONTAL INSTALLATION

C10688

Fig. 10 - Typical Evaporator Coil Connections (40RU)

LEGEND

TXV — Thermostatic Expansion Valve NOTE: The 8 o’clock position is shown above.

C10689

Fig. 11 - TXV Sensing Bulb Location

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Carrier 40RU manual TXV Sensing Bulb Location, Vertical Installation, Horizontal Installation

Contents

Installation, Start---Upand Service Instructions TABLE OF CONTENTSSAFETY CONSIDERATIONS 40RU Packaged Air---HandlingUnits 60 HzUNIT OPERATION AND SAFETY HAZARD PRE-INSTALLATIONINSTALLATION 40RU40RU UNIT 40RUA40RU UNIT 40RUA40RU UNIT 40RUQ40RU UNIT 40RUQ40RU UNIT 40RUS40RU UNIT 40RUS40RU Fig. 1 - Dimensions - SizeUNIT WEIGHT UNITFig. 2 - Dimensions - Sizes 28 and 40RUFig. 5 - Foam Block Location Fig. 3 - Model Number NomenclatureFig. 4 - Serial Number Nomenclature Fig. 6 - Typical Unit PositioningOVERHEAD SUSPENSION ACCESSORY - UNIT SIZES Fig. 7 - Preferred Suspension TechniqueOVERHEAD SUSPENSION ACCESSORY - UNIT SIZE 40RU40RU HORIZONTAL INSTALLATION Fig. 11 - TXV Sensing Bulb LocationVERTICAL INSTALLATION 40RUTable 3 - Fitting Requirements 40RUTable 3 - Fitting Requirement cont 40RUC10690 Fig. 12 - Typical 40RUS Chilled Water Piping40RU 40RU Fig. 14 - Drain Pan Slope AdjustmentFig. 13 - Condensate Drains FIRE HAZARD Fig. 16 - Wiring and Service AccessFig. 15 - Disconnect Switch and Unit Side Panel Removed40RU Table 4 - Electrical Data, Standard MotorsTable 5 - Electrical Data, Alternate Motors Legend and Notes for Tables 4 and40RU Fig. 18 - Unit WiringTable 6 - Fan Contactor Coil Data UNIT OPERATION HAZARDC10696 Fig. 20 - Duct Flange Installation40RU C10697START-UP SERVICEFig. 22 - Label, TXV Adjustment 40RUA and 40RUQ ONLYFig. 25 - Fan Motor Mounting Table 7 - Lubricant DataFig. 24 - Fan Shaft Bearing 40RUFan Pulley Alignment - Align as follows Fig. 27 - Fan Pulley AdjustmentsFig. 26 - Fan Rotation UNIT OPERATION HAZARD40RU Fig. 29 - Filter Removal/ReplacementFig. 28 - Remove Filter Retainer Clip UNIT OPERATION HAZARD40RU 40RUA*25Table 8D - Fan Motor Data, Alternate Motor - SI 40RUTable 8C - Fan Motor Data, Standard Motor - SI 40RU Table 9A - Standard Drive Data, 60 Hz - EnglishTable 9D- Standard Drive Data, 60 Hz - SI 40RUTable 9C - High-StaticDrive Data, 60 Hz - English Table 9F - High-StaticDrive Data, 60 Hz - SI 40RUTable 9E - Medium-StaticDrive Data, 60 Hz - SI 0.0-2.4in. wg External Static Pressure - English 40RUTable 10A - 40RU Standard Fan Performance Data 0-600kPa External Static Pressure - SI 40RUTable 10B - 40RU Standard Fan Performance Data Table 10B - 40RU Standard Fan Performance Data40RU 0.0-2.4in. wg External Static Pressure - English0-600kPa External Static Pressure - SI cont 40RU0-600kPa External Static Pressure - SI FACTORY-SUPPLIEDPRESSURE DROP - ENGLISH 40RULegend and Notes for Tables 10A and 10C Legend and Notes for Tables 10B and 10D40RU Edition Date 01/11 40RUCatalog No 40RU---07SI Replaces 40RU---05SIII. PRE-START-UP OUTDOOR UNIT START-UPCHECKLISTI. PRELIMINARY INFORMATION CONTROLS40RU CHECK VOLTAGE IMBALANCEIII. START-UP