T46 Series Fan Coil Thermostat Catalog Page

1 LIT-1922270 2020-04-22T46 Series Fan Coil ThermostatCatalog PageT46 ABH, T46 ADH, T46 JBH, T46 JDH, T46 JEA, T46 SAA, T46 SAH, T46 SDA, T46 SDHD escriptionThe T46 Series Thermostat is used to control linevoltage, fan coil, and heating zone valves on heating,cooling, and combination heating and cooling are available with single-pole, single-throw(SPST) or single-pole, double-throw (SPDT) contactaction for standard duty (nominal 1/4 hp, 6 A non-inductive) applications. Thermostats are available withor without fan speed control or built-in system switch combinations are available,including fan speed faceplate combinations of knob orconcealed adjustment are possible. Also, the T46 isavailable with or without thermometer thermostats have plastic locking covers withan Allen-head screw to discourage unauthorizedtampering. Standard models are supplied with thethermostat faceplate installed with knob adjustment to the T46 Series Fan Coil Thermostats ProductBulletin (LIT-125655)

2 For important product knob or concealed setpoint adjustment low and high temperature dial stops that areconcealed and adjustable throughout setpoint range can be set for a locked dial narrow differential without the need for anticipator standard internal dual Celsius and Fahrenheit scales switch mechanism and wiring connections go intothe switch box to isolate electrical circuits fromthe sensing element mounts on a standard double outlet box separable mounting plate allows easy mountingand wiring without removing Thermostat cover locking cover reduces unauthorized tampering high-impact plastic enclosure smooth action multi-position slide switches fordependable serviceApplicationsThese thermostats control fan coil and zone heatingvalves on a wide variety of heating and coolingcombinations for conditioned chartsTable 1: T46 Series Fan Coil Thermostat selectionchartProduct codenumberSystem switchFan switchHeatingT46 ABH-1 CAuto-off-fanNoneT46 ADH-1 COff-autoNoneCoolingT46 JBH-1 CAuto-off-fanNoneTable 1: T46 Series Fan Coil Thermostat selectionchartProduct codenumberSystem switchFan switchT46 JDH-1 COff-autoNoneT46 JEA-1 COn-offLow-med-highHeating and CoolingT46 SAA-1 CHeat-off-coolLow-med-highT46 SAH-1 CHeat-off-coolNoneT46 SDA-1 COff-autoLow-med-highT46 SDH-1 COff-autoNoneTable 2: Replacement partsProduct codenumberDescriptionCVR88A-600 RThermostat cover assembly forknob adjustment models withthermometer, F scale, faceplatesupplied unassembledKNB26A-600 RPlastic push on knob forthermostatBKT48A-600 RMounting plate for T46 AccessoriesTable 3.

3 T46 Series Fan Coil Thermostat accessories1 Faceplate selection1 Product codenumberMounting positionType ofadjustmentThermometer cutoutTemperature scale2 PLT333-1R2 VerticalKnobYesFahrenheitPLT333-3 RVerticalConcealedYesFahrenheitPLT333-5 RVerticalKnobYesCelsiusPLT333-12 RVerticalConcealedNo 1 Faceplates must be ordered in multiples of with standard wholesaler Series Fan Coil Thermostat Catalog PageTechnical specificationsTable 4: T46 Series Fan Coil Thermostat technical specificationsSpecificationDescriptionTh ermostat40 to 90 F (5 to 30 C)RangeThermometer50 to 90 F (10 to 30 C)MechanicalApproximately F ( C)DifferentialOperatingSee Figure 1 and Figure metallic with dark brown border and letteringMountingDouble gang box, separable mounting in. (1 mm) cold rolled in. (2 mm) high-impact plasticSensing elementLiquid-filled for positive trouble-free operationIndividual pack1 lb ( kg)ShippingweightOverpack of 20units20 lb ( kg)ThermometerBimetal type for accuracy and clarity, can be field-calibratedWiring connectionsColor coded No.

4 16 AWG wires, 8 in. (203 mm) longTable 5: Electrical ratingsMotor ratings120 V208 V240 V277 VT46 system and fan switchesAC Full Load Locked Rotor Non-Inductive Pilot Duty125 VA, 24 to 277 VACT46 Thermostat onlyAC Full Load AC Locked Rotor AC Non-Inductive Pilot Duty125 VA, 24 to 277 VAC3T46 Series Fan Coil Thermostat Catalog PageOperating differentialsFigure 1: Operating differential for T46A andheating side of T46 SFigure 2: Operating differential for T46J andcooling side of T46 SNote: The heavy line in Figure 1 and Figure 2 isthe nominal operating temperature thermostats may vary from thenorm, as indicated by the dotted wiring application for heatingFigure 3: T46 ABH Auto-Off-Fan selector switchwith continuous fan (heating only)Typical wiring application for coolingFigure 4: T46 JBH Auto-Off-Fan selector switchwith continuous fan (cooling only)Typical wiring application forcombinationFigure 5: T46 SDH Off-Auto selector switchused on fan-coil unit with cycling valve andcontinuous fan; terminal markings shown forA19 CAC changeover control (heating and cooling)4T46 Series Fan Coil Thermostat Catalog PageProduct warrantyThis product is covered by a limitedwarranty, details of which can be found termsUse of the software that is in (or constitutes)this product, or access to the cloud, or hostedservices applicable to this product, if any,is subject to applicable terms set forth Your useof this product constitutes an agreement to point of contactAPACE uropeNA/SAJOHNSON CONTROLSC/O CONTROLS PRODUCTMANAGEMENTNO.

5 32 CHANGJIJANG RD NEWDISTRICTWUXI JIANGSU PROVINCE 214028 CHINAJOHNSON CONTROLSWESTENDHOF 345143 ESSENGERMANYJOHNSON CONTROLS507 E MICHIGAN STMILWAUKEE WI 53202 USAC ontact informationContact your local branch Johnson Series Fan Coil Thermostat Catalog Page 2020 Johnson Controls. All rights reserved. All specifications and other information shown werecurrent as of document revision and are subject to change without