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