SECTION 1: I
NTRODUCTION
5
FIGURE 3: COMPLETE™ Modulating Heating Control Label Placement
FIGURE 4: Repeater Label Placement
Unitary Controller Wiring
N
G
G
N
L
L
N
G
RELAY 1
RELAY 2
RELAY 3
RELAY 4
24Vac
SPARE
SPARE
TOUCH
SCREEN
+24V
MS/TP
+
Gnd
SENSOR
A B C D S1 S2
MS/TP
-
OUTDOOR
SENSOR
Z
O
NE 1
SENSOR
+12V
Rnet-
Rnet+
Gnd
Z
O
NE 2
SENSOR
+12V
Rnet-
Rnet+
Gnd
Z
O
NE 3
SENSOR
+12V
Rnet-
Rnet+
Gnd
Z
O
NE 4
SENSOR
+12V
Rnet-
Rnet+
Gnd
N
N
L
L
24Vac
N1/Gnd
TRANSFORMER
N
N1
N1
24Vac
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
CB2
20A
11
14
12
CO
M
NO
NC
(A
1
)
(A
2
)
11
14
12
CO
M
NO
NC
(A
1
)
(A
2
)
11
14
12
CO
M
NO
NC
(A
1
)
(A
2
)
11
14
12
CO
M
NO
NC
(A
1
)
(A
2
)
TERMINAL BLOCK 1
+ -
Z1
Z2
Z3
Z4
CONNECTIONS INDICATED BY
(Optional)
Indicator Lights
BLK
WHT
GRN
L
120V 60HZ
1 20A
N
GND
ZONE 4
TO ADDITIONAL
BURNERS
L N G
CTH3
-
+
-
+
R
W
FIRE OUT
ANALOG IN
120VAC 60HZ
5A
L N G
CTH3
-
+
-
+
R
W
FIRE OUT
FIRE IN
120VAC 60HZ
5A
ZONE 3
L N G
CTH3
-
+
-
+
R
W
FIRE OUT
ANALOG IN
120VAC 60HZ
5A
L N G
CTH3
-
+
-
+
R
W
FIRE OUT
FIRE IN
120VAC 60HZ
5A
TO ADDITIONAL
BURNERS
ZONE 1
L
N
G
BURNER
ZONE 2
LOW VOLTAGE
THERMOSTAT
L
N
G
BURNER
LOW VOLTAGE
THERMOSTAT
TO ADDITIONAL
BURNERS
L
N
G
BURNER
LOW VOLTAGE
THERMOSTAT
L
N
G
BURNER
LOW VOLTAGE
THERMOSTAT
TO ADDITIONAL
BURNERS
P/N 91006114 Orig
REP 485
ON OFF
BT 485
CONNECTOR
ERTH GROUND
POWER
CONNECTOR
(NETWORK B)
(NETWORK B)
POWER
JUMPER
CONNECTOR
BT 485
CONNECTOR
(NETWORK A)
CONNECTOR
(NETWORK A)
LED1
LED2
24 Vac
LINE
LOAD
3
1
4
5
Shield
0.8 Amps. Fuse
To Next Controller
1
2
Shield
2
1
3
2
1
1
2
3
LED3
120V 60HZ
24V 20VA
TRANSFORMER
Terminal Block
BASE PLATE
GREEN
BLACK
BLACK
WHITE
BLUE
YELLOW
From Central
Controller
Net -
Net +
Net-
Net+
120 Vac
HOT
NEUTRAL
GND
Satelaite 1
Satelaite 2
Repeater Wiring Diagram
GREEN
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 ...