ROBERTS GORDON
®
CORAYVAC
®
M
ODULATING
H
EATING
C
ONTROL
C
ONTROLLER
I
NSTALLATION
M
ANUAL
98
5.Set Comm Selector DIP Switch 3 OFF for BAS Port
6. 5 Set Comm Selector DIP Switches 6 - 7 to OFF
and 8 to ON.
Wiring specifications
• A dedicated 24 AWG to 18 AWG twisted pair wire
(EIA-485)
• 2000’ (610 m) for 76.8 kbps
• 3000’ (914.4 m) for 9600 bps, 19.2 or 38.4 kbps,
before needing a Repeater
• Devices should be daisy chained and not star
wired
• If the controller is at either end of a network seg-
ment, connect a terminating resistor (P/N
10061018) to the I/O Pro 812u
Note:
Use the same polarity throughout the network
segment.
7. Turn on power to control board.
12.6.2 To set up the Modulating Controller for
Modbus RTU or ASCII on Port 2a
1. Turn off power to control board.
2. Using the rotary switches, set the controller's
address. Set the Tens (10's) switch to the tens digit of
the address and set the Ones (1's) switch to the ones
digit.
3. Set the Selector DIP Switches 4 and 5 for the
appropriate communications speed (9600, 19.2k,
38.4k, or 76.8k bps).
4. Set Comm Selector DIP Switch 3 to ON for Port 2.
5. Set Comm Selector DIP Switches 6 - 8 OFF for
Modbus RTU or ASCII.
6. Set Comm Selector DIP Switches 5 - 8 for Mod-
bus.
The following example shows the DIP Switches set
Содержание CORAYVAC
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Страница 69: ...SECTION 8 PROGRAMMING AND TROUBLESHOOTING THE SYSTEM 65 THIS PAGE LEFT INTENTIONALLY BLANK ...
Страница 71: ...SECTION 9 TROUBLESHOOTING 67 FIGURE 26 Vacuum pump does not turn on ...
Страница 73: ...SECTION 9 TROUBLESHOOTING 69 FIGURE 28 VFD showing a fault sign FIGURE 29 VFD input power issue ...
Страница 75: ...SECTION 9 TROUBLESHOOTING 71 FIGURE 31 Burner troubleshooting in manual mode ...
Страница 77: ...SECTION 9 TROUBLESHOOTING 73 After 45 second prepurge burners do not light continued ...
Страница 79: ...SECTION 9 TROUBLESHOOTING 75 FIGURE 34 APS does not close within 60 seconds after VFD receives run command ...
Страница 81: ...SECTION 9 TROUBLESHOOTING 77 FIGURE 36 Air Pressure Switch alarm ...
Страница 83: ...SECTION 9 TROUBLESHOOTING 79 FIGURE 38 Repeater troubleshooting ...
Страница 85: ...SECTION 9 TROUBLESHOOTING 81 BACnet MS TP troubleshooting continued ...
Страница 109: ...SECTION 13 TOUCHSCREEN TREE 105 Touchscreen Tree Overview continued ...
Страница 111: ...SECTION 13 TOUCHSCREEN TREE 107 FIGURE 47 Maintenance Unit FIGURE 48 Alarms ...
Страница 113: ...SECTION 13 TOUCHSCREEN TREE 109 FIGURE 51 Configuration Zones FIGURE 52 Configuration Unit ...
Страница 115: ...SECTION 13 TOUCHSCREEN TREE 111 FIGURE 55 Touchscreen System FIGURE 56 Touchscreen Setup ...
Страница 118: ...ROBERTS GORDON CORAYVAC MODULATING HEATING CONTROL CONTROLLER INSTALLATION MANUAL 114 ...
Страница 119: ...SECTION 14 THE ROBERTS GORDON CORAYVAC COMPLETE MODULATING HEATING CONTROL LIMITED WARRANTY 115 ...