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Roberts Gorden
NEMA 4 installation manual
Models:
NEMA 4
1
48
48
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48 pages
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Troubleshooting
Specification
Install
Typical External Diagrams
Indoor Sensor Placement
Warranty
Control Wiring
Problem
Default
To ensure robust control signaling
Page 48
Image 48
Page 47
Page 48
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Contents
Installation Manual
UltraVac
CORAYVAC
ROBERTS GORDON
Page
TABLE OF CONTENTS
2008 Roberts-GordonLLC
Page
TABLE OF FIGURES
Page
1.1 What is ROBERTS GORDON ULTRAVAC?
1.4.2 Control Wiring
1.4.3 Control Board and Sensor Power
SECTION 1 INTRODUCTION
1.5 Carton Contents
URVSC ULTRAVAC Satellite Controller
URVCCM ULTRAVAC Central Controller with Modem
Inside View
1.6 Safety
1.6.1 Manpower Requirements
1.7 Example Site Layout
FIGURE 1 Example Site Layout
SECTION 2 SPECIFICATIONS
2.2Temperature Sensors Indoor Sensor
Standard Enclosure
NEMA 4 Enclosure P/N
To ensure robust control signaling
Relay Board
Control
Controller Enclosure
2.3 Variable Frequency Drive VFD 2.3.1 Enclosure
Standard Models
NEMA 4 Models
2.3.2 Electrical
Disconnect
Frequency Drive
1 Ø input model shown
1 2 5 6 11 13A 13B 13E
SECTION 3 INSTALLATION
Severe Injury Hazard
3.1 Preparation
3.2Positioning the ROBERTS GORDON
3.3Cable Requirements 3.3.1 Line Power Supply
3.3.2 Control Wiring
3.3.5RS-485Communication Wire Between Controllers
3.3.3 Indoor Sensor Cable
3.4Electrical Installation Requirements
DANGER
Electrical Shock Hazard
Disconnect electrical before servicing
3.7 Indoor Sensor Placement
Figure 12 for wiring details
3.8 Outdoor Sensor Placement
FIGURE 9 Outdoor Sensor Placement
SECTION 4 TYPICAL EXTERNAL DIAGRAMS
Pressure Switch Pump Pressure Switch
BMS Enable optional
Electrical wiring connections indicated by a dot
To Satellite Controller RS-485 see NOTE
Outside Air
120 1 Ø
Zone
Burners
SECTION 5 COMMUNICATIONS
TCP/IP communication module
FIGURE 13 Modem Location
FIGURE 14 RS-485PC Connection
5.2 RS-485Converter for Central Controller
5.3 TCP/IP Communication Module
FIGURE 15 TCP/IP Communication Module Mounting
FIGURE 16 TCP/IP Communication Module Wiring
5.4 Direct Connect
FIGURE 17 9 Pin Adapter for PC
If 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 Repeater
6.1VFD Parameter Settings For Use With
SECTION 6 VARIABLE FREQUENCY DRIVE PROGRAMMING
ROBERTS GORDON ULTRAVAC
Enclosure contains live electrical components
Default
6.2 Altering VFD Parameters
Parameter
Factory
7.1 Setting The CORAYVAC End Burner Vacuum
2.5 wc - 3.0 wc VFD Frequency Setting
Record Frequency Setting Here
SECTION 7 COMMISSIONING THE CORAYVAC SYSTEM
FIGURE 20 End Vent Vacuum
FIGURE 21 Possible Damper Couplings’ Locations
1.0 w.c. - 1.2 wc VFD Frequency Setting
Record Frequency Setting Here
SECTION 8 REPLACEMENT PARTS
8.2 Variable Frequency Drive Replacement Parts
Power Input Rotary Dissconnect Base Block
fuse holder and VFD power input
Variable Frequency Drive 1 Ø input model shown
8.3Replacement Parts Instructions
8.3.2 Control Board Power LED
8.3.4 24V Power 1 A Fuse
8.3.1 Plug-InRelay
8.3.6 Variable Frequency Drive 25 A or 10 A Fuse
Chart
TROUBLESHOOTING
SECTION
Flow Chart continued
Troubleshooting
Troubleshooting Flow Chart continued
Ignition Module Diagnostic Codes
Problem
Solution
Troubleshooting Flow Chart
continued
TROUBLESHOOT ENDS
WARRANTY IS VOID IF
ROBERTS-GORDONWILL PAY FOR
ROBERTS-GORDONWILL NOT PAY FOR
LIMITATIONS ON AUTHORITY OF REPRESENTATIVES
