Gas-Fired Products PTS Series, PTU Series Electrical Connections, STEP-OPENING GAS Control Valve

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Pressure Regulator Adjustment (under cap screw)

1/8” NPT Inlet Pressure

Tap with 3/16” Hex Allen Wrench Plug

INLET

OFF

STEP-OPENING

GAS CONTROL VALVE

CAUTION

Never jumper these terminals. This shorts out valve coil and may burn out heat anticipator in thermostat.

Wiring MV

Terminals (2) MV

 

Ground

 

Terminals (2)

 

OUTLET

ON

 

 

1/8”NPT

 

Outlet Pressure

Gas Control

Tap with 3/16” Hex

Allen Wrench Plug

Knob

 

15.0) ELECTRICAL CONNECTIONS

ELECTRIC SHOCK HAZARD

Disconnect electrical power and gas supply before servicing.

This appliance must be connected to a properly grounded electrical source.

Failure to do so may result in death or serious injury.

1.All electric wiring shall conform to the latest edition of the National Electrical Code (ANSI/NFPA No. 70), or the code legally authorized in the locality where the installation is made.

2.The unit must be electrically grounded in accordance with the National Electrical Code (ANSI/NFPA No. 70-latest edition). In Canada, refer to current standard C22.1 Canadian Electrical Code Part 1.

3.The wiring providing power to the heater shall be connected to a permanently live electrical circuit, one that is not controlled by a light switch.

4.The power supply to the unit should be protected with a fused disconnect switch or circuit breaker. A service switch, as required by local codes, shall be located in the vicinity of the heater (check local codes for allowable distances) and should be identified as Heater Service Switch. All electrical wiring must be located in accordance with the required Clearances to Combustibles below the heater as listed on the nameplate on the heater.

5.Connection to the power supply is provided by a 18/3 gauge x 72” long cord with grounded 3 prong plug.

6.The post purge function of the burner (fan on for 30 seconds after the call for heat) will only be enabled when using a 24 Volt thermostat. With the line Voltage thermostat post purge operation is disabled.

Optional 24V thermostat connection

Jumper wire with 1/4” terminals pre- installed. Remove the jumper and use these two terminals for the 24V

Liquid tight fitting must be tight to prevent ingress of moisture in harsh environments.

thermostat connection if required. 72” grounded 3 prong electrical cord

Form #43343330

 

May 08

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Contents Installation and Operation Instructions Table of Contents Safety Installer ResponsibilityInstallation Requirements General InformationFor Canada only High AltitudePTS/PTU Minimum Clearances to CombustiblesMinimum Clearances to Combustibles Specifications Packing ListBurner Package Numbers Natural GASPTU 40-200 Body Package Descriptions Reflector, 4’ 11 ½’ Accessories End Reflector Accessory PackageExhaust Hood Package Typical Layouts PTU / PTS Series Emitter Length Body Length ModelTypical Assembly Layout Poisonous GAS and Soot HazardPTS Series Dimensions PTU Series Heater Assembly Joining of Tube SectionsTypical Assembly Overview PTU 40FT Shown Typical Suspension Methods Suspension HazardAssembly of Tube Sections CUT HazardAssembly of Extension Section MIN 8’ MAX 10’ Between HangersInserting Turbulators Assembly Hazard Adding ReflectorsAdding Optional 90º Elbow PTS only Adding Optional Corner Reflector PTS onlyAdding 180U-Bend PTU only Adding Optional U-BEND Reflector PTU onlyAttaching Burner BOX Assembly Connecting the Tiss System InstructionsEnd View Angle Mounted Heaters only GAS Connections and Regulations Do not USE AN Open Flame of ANY Kind to Test for LeaksKEY Dimensions and Components of the GAS Connections Manifold Pressure Combination GAS Valve is Factory SET Instructions for Pressure Test Gauge ConnectionSupply Pressure Electrical Connections STEP-OPENING GAS Control ValveIgnition Module Terminal Designations 24VAC/R TH/WPS/W GNDLOW Voltage 24V Thermostat Connections Single Heaters Line Voltage 120V Thermostat Connections Single HeaterLine Voltage 120V Thermostat Connections Multiple Heaters Venting Carbon Monoxide HazardSingle Heater Venting Vertical Through the Roof Single Heater Venting Horizontal Through Sidewall#10 Self-Drill Vent Pipe Screws Multiple Heater Vertical venting arrangement PTS/PTU Common Vent DiameterAIR for Combustion Direct Outside AIR for CombustionVertical Lighting and Shutdown Instructions Sequence of OperationBurner Component Locations Cleaning and Maintenance Electric Shock & Explosion HazardTroubleshooting Guide Form Form #43343330 May Replacing Parts Removal of Main Burner and ElectrodesRemoval of GAS Valve and Manifold Assembly AIR Switch Pressure CheckIgnition System Checks To Check Flame Sensor CircuitInstallation Data Ignition Module DiagnosticsReplacement Parts Guide Burner BOX FastenersLabels/Manual 22c 22b 22a 40a 17a Body Components Description