Installation/OperationMaintenanceVariTrane™Pneumatic ControlsVAV-SVX02B-ENMarch 2002

VAV-SVX02B-EN10Model 3501The model 3501 Pneumatic VolumeRegulator (PVR) is capable of operatingwith normally-open or normally-closedair valves and can

VAV-SVX02B-EN 11CalibrationProceduresCalibration Procedure (Steps 1–4 apply to all thermostat models)1. Be sure the PVR is installed correctly and tha

VAV-SVX02B-EN12Specifications (3501)Differential Pressure Range:0 to 1.0 in. wgMinimum Setpoint Range:0 to 1.0" H2OMaximum Setpoint Range:minimum

VAV-SVX02B-EN 13MCP-3631—RotaryPneumatic Damper ActuatorDescription:Rotary actuators mounts to a standard½" diameter shaft by a locking collarand

VAV-SVX02B-EN14Constant Volume Dual-DuctCalibration (3011)This calibration procedure is used whena constant volume of air must bemaintained through a

VAV-SVX02B-EN 15Thermostat Range: 3–8 psiHeating Valve = 5 psi rangeThermostat Range: 8–13 psiCooling Valve = 5 psi rangeApproximately 1000 cfm divide

TraneAn American Standard Companywww.trane.comFor more information contactyour local district office ore-mail us at [email protected] Order

VAV-SVX02B-ENThermostat Selectionand LocationIn general, both one- and two-pipethermostats have a gain of 2.5 psi perdegree Fahrenheit, unless special

3VAV-SVX02B-ENThermostatSpecificationsTP970 Series Pneumatic T-statsMaximum Safe Air Pressure:25psi (172 kPa)Maximum Safe Air Temperature:150°F (66°C)

VAV-SVX02B-ENInstallation and OperationThe reversing relay is a proportional,non-bleeding device for use in pneu-matic control systems where a propor-

5VAV-SVX02B-ENReversing RelayCalibrationBy using the “bias” adjustment on therelay, the factory-set 8.0–9.0 “cross-over” can be changed. To recalibrat

VAV-SVX02B-ENModel 3011The model 3011 Pneumatic VolumeRegulator (PVR) is capable of operatingwith normally-open or normally-closedair valves and can o

7VAV-SVX02B-ENUse the following procedure to set-up the PVR:1. Select damper action (NO or NC). Loosen damper selection switch screw and align to eith

VAV-SVX02B-ENCalibrationProceduresCalibration Procedure (Steps 1–4 apply to all thermostat models)1. Be sure the PVR is installed correctly and that a

VAV-SVX02B-EN 9Specifications (3011)Differential Pressure Range:0 to 1.0 in. wgMinimum Setpoint Range:0 to 1.0" H2OMaximum Setpoint Range:minimum