Manuals / York / Household Appliance / Air Conditioner

York R-407C manual Field Control Wiring, Wire Thermostat, Space Sensor, CO 2 Sensor, VAV Heat

Models: R-407C

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Field Control Wiring

Field Control Wiring

Wiring Notes:

1.Wiring shown indicates typical wiring.

2.All wiring is Class 2, low voltage.

3.Maximum power available from the 24 VAC terminal is 40 VA.

4.Use shielded wire where shown.

7 Wire Thermostat

COMMON

R (24VAC)

Y1 (Cool Stage 1)

Y2 (Cool Stage 2)

	G (Fan)

Space Sensor
			* Use Shielded Wire
1K Nickel	Signal		* Use Shielded Wire
1K Nickel	Signal
RTD Sensor	Common
1.5K Adjust	Signal		* Use Shielded Wire
1.5K Adjust	Signal
Potentiometer	Common

CO2 Sensor
	Signal		* Use Shielded Wire
			* Use Shielded Wire
0-5V Output
0-5V Output	Common
	Common

COM	R (24 VAC)	Y1	Y2			G		SS+ SS- SSA+ SSA- IAQ+ IAQ-	R (24 VAC)	OCC SD SMK HR COM
1	2	3	4	5	6	7	8	9 10 11 12 13 14 15 16		17 18 19 20 21
							SHIELD		SHIELD

Note, 24VAC switch voltage must be sourced from the unit. Use of another power source external of the unit may cause equipment damage.

Occupied /

Unoccupied Input

Shutdown Input

Smoke Purge Input

VAV Heat	24 VAC Signal
Relay Output	Common

Closed = Occupied

Open = Unoccupied

Closed = Shutdown

Open = Normal

Closed = Smoke Purge

Open = Normal

Note: VAV Heat Relay output shall be used to

command the VAV boxesLD06158 to open full.

FIG. 5 – FIELD CONTROL WIRING

34	YORK INTERNATIONAL

Image 34

York R-407C manual Field Control Wiring, Wire Thermostat, Space Sensor, CO 2 Sensor, VAV Heat, Relay Output

Contents

R-407C OPTIMIZED 50 THROUGH 65 TONS Packaged Rooftop Air Conditioning UnitsTABLE OF CONTENTS TABLESFIGURES NOMENCLATUREBASIC MODEL NUMBER Introduction FEATURES/BENEFITS Ecological and Economical DesignIndoor Air Quality IAQ Install with Ease and Safety ServiceabilityReliable Scroll Compressor Technology Design Flexibility IntroductionPhysical Data TABLE 1 - PHYSICAL DATAPhysical Data continued TABLE 1 - PHYSICAL DATA Cont’dRIGGING Application DataLOCATION Ground Level LocationsCopper Fin Condenser Coil Application Data continuedHARSH ENVIRONMENTS - CONDENSER AND EVAPORATOR COIL PROTECTION Pre-Coated Condenser FinsSelect Unit SELECTION PROCEDURE GivenACOUSTICAL CONSIDERATIONS Total85 AIR ON CONDENSER COIL Cooling Performance Data - 50 Ton Model95 AIR ON CONDENSER COIL 115 AIR ON CONDENSER COIL 105 AIR ON CONDENSER COILTABLE 2 - COOLING PERFORMANCE DATA - 50 TON MODEL CONT’D 95 AIR ON CONDENSER COIL Cooling Performance Data - 55 Ton Model85 AIR ON CONDENSER COIL TABLE 3 - COOLING PERFORMANCE DATA - 55 TON MODEL115 AIR ON CONDENSER COIL 105 AIR ON CONDENSER COILTABLE 3 - COOLING PERFORMANCE DATA - 55 TON MODEL CONT’D 95 AIR ON CONDENSER COIL Cooling Performance Data - 60 Ton Model85 AIR ON CONDENSER COIL TABLE 4 - COOLING PERFORMANCE DATA - 60 TON MODEL115 AIR ON CONDENSER COIL 105 AIR ON CONDENSER COILTABLE 4 - COOLING PERFORMANCE DATA - 60 TON MODEL CONT’D 95 AIR ON CONDENSER COIL Cooling Performance Data - 65 Ton Model85 AIR ON CONDENSER COIL TABLE 5 - COOLING PERFORMANCE DATA - 65 TON MODEL115 AIR ON CONDENSER COIL 105 AIR ON CONDENSER COILTABLE 5 - COOLING PERFORMANCE DATA - 65 TON MODEL CONT’D TABLE 6 - 50 THROUGH 65 TON SUPPLY FAN DATA Fan PerformanceTABLE 6 - 50 THROUGH 65 TON SUPPLY FAN DATA CONT’D TABLE 7 - 50 THROUGH 65 TON EXHAUST FAN DATA Fan Performance continued TABLE 8 - COMPONENT STATIC PRESSURE DROPS INCHES OF WATER COLUMNFILTERS Electrical Data ELECTRICAL SERVICE SIZINGLoad Definitions TABLE 10 - SUPPLY AND EXHAUST FAN MOTOR ODP OR TEFC High EfficiencyPremium Efficiency TABLE 11 - CONDENSER FAN MOTORS / EACHCONTROL SEQUENCES FOR ALL UNITS UNOCCUPIED / OCCUPIED SWITCHINGControls GENERALVENTILATION CONTROL SEQUENCES Minimum OA Damper Position CV Units Powered Fixed Volume Exhaust Based on Outside Air Damper PositionPowered Fixed Volume Exhaust Based on Building Pressure Minimum OA Damper Position VAV UnitsControls continued Powered Variable Volume Exhaust-Discharge Damper ControlledPowered Variable Volume Exhaust-VFD Controlled LOW AMBIENT OPERATIONVAV SPECIFIC SEQUENCES Supply fan operation PurgePurge With Duct Pressure Control VAV Only COOLING OPERATION Thermostat ControlStage 1 “Y1” Call Stand Alone ControlCV SPECIFIC SEQUENCES Cooling Operation Thermostat Control Stage 2 “Y2” CallField Power Supply Power WiringSINGLE-POINT POWER SUPPLY WIRING Electrical / Controls Box Power SideField Power Supply Power Wiring continuedSINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT Electrical / Controls Box Power SideTB2 TB1 DUAL-POINT POWER SUPPLY WIRINGField Power Supply #2 Field Power Supply #1 Electrical / Controls Box Power SideSpace Sensor Field Control Wiring7 Wire Thermostat CO 2 SensorBOTTOM SUPPLY General ArrangementDrawing BOTTOM RETURNSUPPLY LEFT OR RIGHTREAR RETURN General ArrangementCurb Layout Drawing FIG. 8 - CURB LAYOUT DRAWINGCasing Guide SpecificationsCONSTRUCTION Base SUPPLY AIR SYSTEM Supply Air FanAIR INLET SYSTEM General POWER SUPPLYAIR FILTERING SYSTEM REFRIGERATION SYSTEMCONTROLS Guide Specifications continuedACCESSORIES AND OPTIONS ECONOMIZERSCONDENSER COIL PROTECTION RELIEF SYSTEMEVAPORATOR COIL PROTECTION Suction and Discharge Pressure Transducers - moniYORK INTERNATIONAL FORM 100.50-EG1 YORK INTERNATIONALForm 100.50-EG1 New Release Proud Sponsor of the U.S. Olympic Team36USC380 Tele