ROBERTS GORDON
®
CORAYVAC
®
M
ODULATING
H
EATING
C
ONTROL
C
ONTROLLER
I
NSTALLATION
M
ANUAL
30
FIGURE 16: CORAYVAC
®
Modulating Central and Satellite Control External Wiring, 1Ø
ZONE 1
SENSOR
+12V
R
net-
R
net+
Gnd
ZONE 2
SENSOR
+12V
R
net-
R
net+
Gnd
ZONE 3
SENSOR
+12V
R
net-
R
net+
Gnd
ZONE 4
SENSOR
+12V
R
net-
R
net+
Gnd
OUTDOOR
SENSOR
RELAY 5
RELAY 6
OA
BLWR 1
OA
BLWR 2
88F0
E143900
TYPE: 002003
Power
Off On
Power
Gnd
24Vac
Port 1
485
ARC-
Shield
Net -
Net +
156
Port 2a
Rnet
Gnd
Rnet +
Rnet -
+12V
Xnet +
Xnet -
Gnd
Xnet Expansion
Local
Rnet+
Gnd
Sense
+12V
Rnet-
Access
EIA-485
EIA-232
Thermistor/
dry-contact/
Mode Select
Universal Input
mA
RTD
Volts
10V Max, 20mA Max
Inputs: All
UI-4
UI-3
UI-2
UI-1
Gnd
+
Gnd
Gnd
+
+
Gnd
+
8
7
6
5
4
3
2
1
UI-8
Gnd
UI-6
UI-7
UI-5
Gnd
+
+
Gnd
+
Gnd
+
UI-12
UI-11
UI-10
UI-9
+
Gnd
+
Gnd
Gnd
+
Gnd
+
24 Vdc
24 Vdc
200mA maximum
Auto Off On
0-20mA
0-10Vdc
Relay
Controller
Address
1's
10's
Archive Valid
Port 2a Rx
Port 2a Tx
Port 1 Rx
Port 1 Tx
Battery low
Ext. Batt.
Int. Batt.
External
Battery
Gnd
+3V
Status
Module
3V Lithium Battery
CR-123A
0 = Download required
3 = Comm setup error
1 = Control Program Error
4 = System error
8 = Formatting
2 = RAM full
Chase = OK
Status Codes
Class 2
ONLY Use Copper
24Vac, 50VA
Without Keypad:
26Vdc, 23W, 0.9A
Outputs
24Vdc Max, 50mA Max
Format
Pot
2-wire
4-wire
2 wire4 wire
Rx -
Net-
Net+
n/c
Tx -
Tx +
Rx +
n/c
EIA-232
DCD
Rx
Tx
DTR
Signal Ground
®
BACnet
Over ARCNET156 KBaud
Made in USA
Port 2a BT485
Port 1
Port 1 BT485
Conductors
2A, 50-60 Hz
Blinking Dot = 'Run'
On
Off
Enhanced
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
IP Addr
Assigned Default
10/100 BaseT
Ethernet Port E1
100
LAN
LINK
®
8
7
6
5
See BAS Table Below
Protocols 6
MS/TP m
MS/TP s
Off
N2
On
Lon SLTA
Off
BAUD 4
5
9600 Off
Off
19.2 K Off
On
38.4 K On Off
76.8 K On
On
On
Modbus
8
Off
Off
On
On
Off
4
BACnet
3
7
Off
On
Off
Off
Off
PTP
Off
Off
On
Access Port 2a
Lon OptionOff
On
On
2
1
UO-1
UO-2
UO-3
UO-4
UO-8
UO-7
UO-6
UO-5
On
Off
2
1
BAS Port
BAS Port Settings
Set Pot Full CW
24Vac
DO NOT APPLY 24Vac TO
UNIVERSAL OUTPUTS
External 24Vdc relay coil only
Brownout
3
UO-2
UO-1
2
1
UO-4
UO-3
6
5
4
7
8
6
UO-7
UO-6
UO-5
3
1
2
4
5
UO-8
7
8
+
Gnd
+
Gnd
+
Gnd
+
Gnd
+
Gnd
+
Gnd
+
Gnd
+
Gnd
Aux Power Out
Port 2b
Port 2a
IOPro812u
07/10/12
Rev 6
Open Energy
Management Equipment
26Vdc
I/O Pro 812u
CONTROLLER
+ -
Notes:
- Do not run low voltage wiring through section of enclosure that houses VFD(s).
- Do not run line and low voltage wiring in same conduit
- Dashed lines indicate field wiring
- Ground shield (on and only) indicated by;
- Connections indicated by;
- Separate line and low voltage circuits.
Summary of Contents for CORAYVAC
Page 2: ......
Page 4: ......
Page 69: ...SECTION 8 PROGRAMMING AND TROUBLESHOOTING THE SYSTEM 65 THIS PAGE LEFT INTENTIONALLY BLANK ...
Page 71: ...SECTION 9 TROUBLESHOOTING 67 FIGURE 26 Vacuum pump does not turn on ...
Page 75: ...SECTION 9 TROUBLESHOOTING 71 FIGURE 31 Burner troubleshooting in manual mode ...
Page 77: ...SECTION 9 TROUBLESHOOTING 73 After 45 second prepurge burners do not light continued ...
Page 81: ...SECTION 9 TROUBLESHOOTING 77 FIGURE 36 Air Pressure Switch alarm ...
Page 83: ...SECTION 9 TROUBLESHOOTING 79 FIGURE 38 Repeater troubleshooting ...
Page 85: ...SECTION 9 TROUBLESHOOTING 81 BACnet MS TP troubleshooting continued ...
Page 109: ...SECTION 13 TOUCHSCREEN TREE 105 Touchscreen Tree Overview continued ...
Page 111: ...SECTION 13 TOUCHSCREEN TREE 107 FIGURE 47 Maintenance Unit FIGURE 48 Alarms ...
Page 113: ...SECTION 13 TOUCHSCREEN TREE 109 FIGURE 51 Configuration Zones FIGURE 52 Configuration Unit ...
Page 115: ...SECTION 13 TOUCHSCREEN TREE 111 FIGURE 55 Touchscreen System FIGURE 56 Touchscreen Setup ...
Page 118: ...ROBERTS GORDON CORAYVAC MODULATING HEATING CONTROL CONTROLLER INSTALLATION MANUAL 114 ...