Installer
Installation Manual
UltraVac
CORAYVAC
Page
2011 Roberts-GordonLLC
TABLE OF CONTENTS
Page
TABLE OF FIGURES
Page
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Disconnect electric before service
SECTION 1: INTRODUCTION 1.1 Safety
1.2 What is ROBERTS GORDON ULTRAVAC?
DANGER
1.6.3 Control Board and Sensor Power
1.6.2 Control Wiring
1.7 Safety Labels and Their Placement
1.5 Example Site Layout
Description
FIGURE 1: ULTRAVAC Controller Label Placement
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Part Number
Description
SECTION 1: INTRODUCTION
91008017
Power Input Rotary Disconnect
FIGURE 3: VFD Label Placement
Front Door Panel outside
Side Panel outside
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FIGURE 4: Repeater Label Placement
Description
Part Number
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FIGURE 5 Connected Components
SECTION 1: INTRODUCTION
Connected Components continued
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URVSC: ULTRAVAC Satellite Controller
1.8 Carton Contents
URVCCM: ULTRAVAC Central Controller with Modem
Inside View
URVBNC: ULTRAVAC BMS Link Controller
1.9 Standard Parts List
ULTRAVAC Installation Manual
ULTRAVAC Software, ULTRAVAC
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Related Accessories
Part No
Description
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FIGURE 6: Example Site Layout
2.5Temperature Sensors Indoor Sensor
SECTION 2: SPECIFICATIONS
2.1.2 Electrical
Analog Output
Voltage Surge Suppressor 277 / 480
NEMA 4 Enclosure for Indoor Sensor P/N
2.6 Line Reactor 480 V / 4 A Output
Line Reactor 480 V / 4 A Input
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To ensure robust control signaling
Standard Models
2.7Variable Frequency Drive VFD 2.7.1 Enclosure
NEMA 4 Models
2.7.2 Electrical
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VFD should be mounted in locations where the
SECTION 3: INSTALLATION
3.1 Preparation
3.2Positioning the ROBERTS GORDON
3.3.1 ULTRAVAC Controller
3.3 Cable Requirements
3.3.2 ULTRAVAC BMS Link Controller
3.3.3 Variable Frequency Drive VFD
FIGURE 10: Variable Frequency Drive Mounting
3.5 Pump Requirements
3.6 Variable Frequency Drive Requirements
3.8 Outdoor Sensor Placement
3.7 Indoor Sensor Placement
FIGURE 12: Outdoor Sensor Placement
FIGURE 11: Indoor Sensor Mounting
Disconnect electric before service
SECTION 4: TYPICAL EXTERNAL DIAGRAMS
SECTION 4: TYPICAL EXTERNAL DIAGRAMS
DANGER
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SECTION 4: TYPICAL EXTERNAL DIAGRAMS
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SECTION 4 TYPICAL EXTERNAL DIAGRAMS
FIGURE 15: Modem Location
SECTION 5: COMMUNICATIONS
FIGURE 16: RS-485PC Connection
5.2 RS-485Converter for Central Controller
FIGURE 17 TCP/IP Communication Module Mounting
5.3 TCP/IP Communication Module
5.4 Direct Connect
FIGURE 18 TCP/IP Communication Module Wiring
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FIGURE 19 9 Pin Adapter for PC
Description
Part Number
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5.5.1 Repeater
FIGURE 21: Repeater External Wiring
Description
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Part Number
SECTION 5: COMMUNICATIONS
6.1 ULTRAVAC BMS Link Controller Overview
SECTION 6: ULTRAVAC BMS LINK CONTROLLER
6.2ULTRAVAC BMS Link Controller Requirements
FIGURE 24: ULTRAVAC BMS Link Controller Schematic
6.4ULTRAVAC BMS Link Controller Programming
6.3 Technical Data
Dip Switch Order 1,2,3,4,5,6,7,8
Dip Switch Order 1,2,3,4,5,6,7,8
Controller
Address
SECTION 7: VARIABLE FREQUENCY DRIVE PROGRAMMING
7.1VFD Parameter Settings For Use With
ROBERTS GORDON ULTRAVAC
Enclosure contains live electrical components
7.2 Altering VFD Parameters
Default
Parameter
Factory
2.5 wc - 3.0 wc VFD Frequency Setting
8.1 Setting The CORAYVAC End Burner Vacuum
Record Frequency Setting Here
SECTION 8: COMMISSIONING THE CORAYVAC SYSTEM
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FIGURE 26: End Vent Vacuum
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FIGURE 27: Possible Damper Couplings’ Locations
Record Frequency Setting Here
1.0 w.c. - 1.2 wc VFD Frequency Setting
Default
Parameter
Turn off gas supply to heater before service
SECTION 9: TROUBLESHOOTING
Explosion Hazard
Disconnect electric before service
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FIGURE 28 Troubleshooting Flow Chart
SECTION 9 TROUBLESHOOTING
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Troubleshooting Flow Chart continued
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Troubleshooting Flow Chart continued
SECTION 9: TROUBLESHOOTING
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Troubleshooting Flow Chart continued
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FIGURE 29: Troubleshooting Flow Chart - Repeater
SECTION 9: TROUBLESHOOTING
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FIGURE 30 Troubleshooting Flow Chart - BACnet
DANGER
SECTION 10: REPLACEMENT PARTS
Part Number
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Description
Power Input Rotary Dissconnect Base Block
10.2 Variable Frequency Drive Replacement Parts
fuse holder and VFD power input
Variable Frequency Drive 1 Ø input model shown
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FIGURE 34: Repeater Components Diagram
10.4 Repeater Replacement Parts
SECTION 10: REPLACEMENT PARTS
Description
10.5.2 Control Board Power LED
10.5Replacement Parts Instructions
10.5.4 24V Power 1 A Fuse
10.5.1 Plug-InRelay
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ROBERTS-GORDONWILL NOT PAY FOR
WARRANTY IS VOID IF
LIMITATIONS ON AUTHORITY OF REPRESENTATIVES
Roberts-Gordon
499 OHM 
