Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden NEMA 4 installation manual Example Site Layout

Models: NEMA 4

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FIGURE 1: Example Site Layout

ROBERTS GORDON® ULTRAVAC™ CONTROLLER INSTALLATION MANUAL

FIGURE 1: Example Site Layout

SensorZone 3 North Wall

Outside Sensor	Zone 3	Pump
	Variable Frequency Drive	ROBERTS GORDON® ULTRAVAC™ Controller	Zone 2 Sensor	Zone 2

Zone 1

Zone 1 Sensor

NOTE: Conceptual drawing, not to scale. Venting not shown.

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Image 12

Roberts Gorden NEMA 4 installation manual Example Site Layout

Contents

Installation Manual UltraVacCORAYVAC ROBERTS GORDONPage TABLE OF CONTENTS 2008 Roberts-GordonLLCPage TABLE OF FIGURES Page 1.1 What is ROBERTS GORDON ULTRAVAC? 1.4.2 Control Wiring1.4.3 Control Board and Sensor Power SECTION 1 INTRODUCTION1.5 Carton Contents URVSC ULTRAVAC Satellite ControllerURVCCM ULTRAVAC Central Controller with Modem Inside View 1.6 Safety 1.6.1 Manpower Requirements1.7 Example Site Layout FIGURE 1 Example Site Layout SECTION 2 SPECIFICATIONS 2.2Temperature Sensors Indoor SensorStandard Enclosure NEMA 4 Enclosure P/NTo ensure robust control signaling Relay BoardControl Controller Enclosure2.3 Variable Frequency Drive VFD 2.3.1 Enclosure Standard ModelsNEMA 4 Models 2.3.2 ElectricalDisconnect Frequency Drive1 Ø input model shown 1 2 5 6 11 13A 13B 13ESECTION 3 INSTALLATION Severe Injury Hazard3.1 Preparation 3.2Positioning the ROBERTS GORDON3.3Cable Requirements 3.3.1 Line Power Supply 3.3.2 Control Wiring3.3.5RS-485Communication Wire Between Controllers 3.3.3 Indoor Sensor Cable3.4Electrical Installation Requirements DANGERElectrical Shock Hazard Disconnect electrical before servicing3.7 Indoor Sensor Placement Figure 12 for wiring details3.8 Outdoor Sensor Placement FIGURE 9 Outdoor Sensor PlacementSECTION 4 TYPICAL EXTERNAL DIAGRAMS Pressure Switch Pump Pressure Switch BMS Enable optionalElectrical wiring connections indicated by a dot To Satellite Controller RS-485 see NOTEOutside Air 120 1 Ø Zone BurnersSECTION 5 COMMUNICATIONS TCP/IP communication moduleFIGURE 13 Modem Location FIGURE 14 RS-485PC Connection 5.2 RS-485Converter for Central Controller5.3 TCP/IP Communication Module FIGURE 15 TCP/IP Communication Module MountingFIGURE 16 TCP/IP Communication Module Wiring 5.4 Direct Connect FIGURE 17 9 Pin Adapter for PCIf more than one ROBERTS GORDON ULTRA- VAC Controller is installed in a building, the controllers’ RS-485communications must be wired in series. See Page 25, Figure 18. Connect the RS-485terminal on controller #1 to the RS-485terminal on controller #2 and so on in a daisy chain fashion. For communication cable requirements, See Page 12, Section FIGURE 19 Repeater Wiring 5.5.1 Repeater6.1VFD Parameter Settings For Use With SECTION 6 VARIABLE FREQUENCY DRIVE PROGRAMMINGROBERTS GORDON ULTRAVAC Enclosure contains live electrical componentsDefault 6.2 Altering VFD ParametersParameter Factory7.1 Setting The CORAYVAC End Burner Vacuum 2.5 wc - 3.0 wc VFD Frequency SettingRecord Frequency Setting Here SECTION 7 COMMISSIONING THE CORAYVAC SYSTEMFIGURE 20 End Vent Vacuum FIGURE 21 Possible Damper Couplings’ Locations 1.0 w.c. - 1.2 wc VFD Frequency Setting Record Frequency Setting HereSECTION 8 REPLACEMENT PARTS 8.2 Variable Frequency Drive Replacement Parts Power Input Rotary Dissconnect Base Blockfuse holder and VFD power input Variable Frequency Drive 1 Ø input model shown8.3Replacement Parts Instructions 8.3.2 Control Board Power LED8.3.4 24V Power 1 A Fuse 8.3.1 Plug-InRelay8.3.6 Variable Frequency Drive 25 A or 10 A Fuse Chart TROUBLESHOOTINGSECTION Flow Chart continued TroubleshootingTroubleshooting Flow Chart continued Ignition Module Diagnostic CodesProblem SolutionTroubleshooting Flow Chart continuedTROUBLESHOOT ENDS WARRANTY IS VOID IF ROBERTS-GORDONWILL PAY FORROBERTS-GORDONWILL NOT PAY FOR LIMITATIONS ON AUTHORITY OF REPRESENTATIVES