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ROBERTS GORDON
CORAYVAC
11.2 COMPLETE™ Modulating Heating Control Controller Replacement Parts
Caution: Use only genuine ROBERTS GORDON
Roberts-Gordon voids warranty.
FIGURE 42: COMPLETE™ Modulating Heating Control Controller Components
24Vac
26Vdc
Gnd
1
IOPro812u
Rev 6
07/10/12
Aux Power Out
24 Vdc
24 Vdc
200mA maximum
Description
1
I/O Pro 812-U Control Board
2
Touchscreen (not shown)
3
Indoor Sensor (not shown)
4
Outdoor Sensor (not shown)
5
1 Pole Circuit Breaker
6
Transformer 120Vac to 24 Vac
7
Amber LED Light
8
SPDT Relay 6A
86
®
M
H
C
C
ODULATING
EATING
ONTROL
Indicator Lights
P1
Z1
Z3
Without Keypad:
Power
24Vac, 50VA
2A, 50-60 Hz
26Vdc, 23W, 0.9A
Off
On
ONLY Use Copper
Conductors
Class 2
Power
Port 1
Net +
3V Lithium Battery
Module
Status
Port 1 BT485
Net -
CR-123A
Status Codes
ARC-
485
Port 1
Chase = OK
Shield
156
Blinking Dot = 'Run'
Port 2a BT485
0 = Download required
1 = Control Program Error
2 wire 4 wire
EIA-232
Port 2a
2 = RAM full
Net+
Tx +
Tx
3 = Comm setup error
Net-
Tx -
Rx
4 = System error
Port 2a
8 = Formatting
Gnd
n/c
Rx +
DTR
EIA-232
Rnet+
n/c
Rx -
DCD
Rnet-
EIA-485
BAS Port Settings
Signal Ground
+12V
BAUD 4
5
Sense
4-wire
9600 Off Off
Local
2-wire
19.2 K Off On
Gnd
Access
38.4 K On Off
76.8 K On On
Rnet +
Rnet
Rnet -
Xnet +
+12V
Xnet -
Gnd
Xnet Expansion
1
+
UI-1
2
Gnd
I/O Pro 812u
3
+
UI-2
CONTROLLER
4
Gnd
5
+
UI-3
6
Gnd
7
+
UI-4
®
8
Gnd
1
+
UI-5
2
Gnd
3
+
UI-6
4
Gnd
5
+
UI-7
6
Gnd
7
+
Inputs: All
UI-8
10V Max, 20mA Max
8
Gnd
1
+
UI-9
Pot
Auto Off On
2
Gnd
0-20mA
Relay
3
+
0-10Vdc
UI-10
4
Gnd
Set Pot Full CW
5
+
UI-11
6
Gnd
+
7
Universal Input
UI-12
Mode Select
8
Gnd
mA
Volts
Thermistor/
dry-contact/
RTD
Open Energy
Management Equipment
10/100 BaseT
Ethernet Port E1
88F0
100
LAN
LINK
E143900
TYPE: 002003
Port 2b
I
M
ONTROLLER
NSTALLATION
ANUAL
®
replacement parts. Use of parts not specified by
P2
Z2
Z4
7
Port 1 Tx
Port 1 Rx
External
Battery
Archive Valid
Gnd
Port 2a Tx
+3V
Port 2a Rx
Brownout
Battery low
Ext. Batt.
Int. Batt.
Format
8
7
See BAS Table Below
6
BAS Port
5
2
1
4
IP Addr
3
Assigned Default
2
Enhanced
1
Access Port 2a
On
Off
Off
Protocols 6
7
8
MS/TP m
Off
Off
Off
1's
MS/TP s
On
Off
Off
Controller
PTP
Off
On
Off
N2
On
On
Off
Address
Modbus
Off
On
Off
Off
On
Lon SLTA
On
10's
Lon OptionOff
On
On
UO-8
UO-7
UO-6
UO-5
UO-4
UO-3
UO-2
UO-1
Gnd
8
UO-8
+
7
Gnd
6
UO-7
+
5
Gnd
4
UO-6
+
3
24Vac
Gnd
2
UO-5
+
1
DO NOT APPLY 24Vac TO
Gnd
8
UNIVERSAL OUTPUTS
UO-4
External 24Vdc relay coil only
+
7
Gnd
6
UO-3
+
5
Outputs
Gnd
4
24Vdc Max, 50mA Max
UO-2
+
3
Gnd
2
UO-1
+
1
®
BACnet
Over ARCNET156 KBaud
Made in USA
TERMINAL BLOCK 1
5
SPARE
SPARE
24Vac
24Vac
24Vac
RELAY 1
RELAY 2
RELAY 3
8
RELAY 4
TRANSFORMER
N1/Gnd
24Vac
6
Part Number
10061001
10061002
10061003
10081501
10061004
10061009
10061010
10061011
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