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11.1 CORAYVAC
®
Modulating Heating Control Controller Replacement Parts
Caution: Use only genuine ROBERTS GORDON
Roberts Gordon voids warranty.
FIGURE 41: CORAYVAC
CB2
N G
L L L L
N
N N N N
20A
8
1
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
2 Pole Circuit Breaker
7
3 Pole Circuit Breaker
8
120v Control Power Circuit Breaker
9
30 Amp Disconnect Assembly
10
Transformer 24vac to 120vac
11
Amber LED Light
12
SPDT Relay 6A
13
4PDT Relay 15A
14
VFD Connection Terminal Block
15
24" x 24" x 7" Enclosure (not shown)
16
20" x 16" x 7" Enclosure (not shown)
1HP VFD Input: 115V, 1PH; Output: 230V, 3PH
1HP VFD Input: 230V, 1PH; Output: 230V, 3PH
2HP VFD Input: 230V, 1PH; Output: 230V, 3PH
17
1HP VFD Input: 460V, 3PH; Output: 460V, 3PH
2HP VFD Input: 460V, 3PH; Output: 460V, 3PH
1HP VFD Input: 230V, 3PH; Output: 230V, 3PH
2HP VFD Input: 230V, 3PH; Output: 230V, 3PH
®
Modulating Heating Control Controller Components
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
NC
12
14
14
14
14
14
14
14
14
14
14
14
14
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
COM
11
G
G
N1 N1
(A2)
(A2)
(A2)
(A2)
(A2)
(A2)
(A1)
(A1)
(A1)
(A1)
(A1)
(A1)
14
13
12
Without Keypad:
Power
24Vac
24Vac, 50VA
2A, 50-60 Hz
Port 1 Tx
26Vdc
26Vdc, 23W, 0.9A
Port 1 Rx
Gnd
Off On
ONLY Use Copper
External
Conductors
Class 2
Battery
Archive Valid
Gnd
Port 2a Tx
Power
Port 2a Rx
+3V
Brownout
Port 1
Battery low
Net +
3V Lithium Battery
Module
Status
Port 1 BT485
Ext. Batt.
Net -
CR-123A
Status Codes
Int. Batt.
ARC-
485
Port 1
Chase = OK
Shield
156
Format
Blinking Dot = 'Run'
Port 2a BT485
0 = Download required
8
1 = Control Program Error
7
2 wire4 wire
EIA-232
Port 2a
See BAS Table Below
6
2 = RAM full
BAS Port
Net+
Tx +
Tx
5
3 = Comm setup error
2
1
4
Net-
Tx -
Rx
4 = System error
IP Addr
Port 2a
3
Assigned Default
Gnd
8 = Formatting
2
n/c
Rx +
DTR
EIA-232
Enhanced
Rnet+
1
n/c
Rx -
DCD
Access Port 2a
On
Off
Rnet-
Off
EIA-485
BAS Port Settings
Signal Ground
+12V
BAUD 4
5
Protocols 6
7
8
Sense
4-wire
9600 Off Off
MS/TP m
Off
Off
Off
1's
On
Off
Off
Local
19.2 K Off On
MS/TP s
2-wire
Controller
PTP
Off
On
Off
Gnd
Access
38.4 K On Off
N2
On
On
Off
Address
76.8 K On On
Rnet +
Modbus
Off
Off
On
Rnet
Lon SLTA
On
Off
On
10's
Lon OptionOff
On
On
Rnet -
Xnet +
+12V
Xnet -
UO-8
Gnd
Xnet Expansion
1
+
UI-1
UO-7
2
Gnd
I/O Pro 812u
3
+
UI-2
CONTROLLER
4
Gnd
UO-6
5
+
UI-3
6
Gnd
+
UO-5
7
®
UI-4
8
Gnd
1
+
UO-4
UI-5
2
Gnd
3
+
UI-6
UO-3
4
Gnd
5
+
UI-7
6
Gnd
UO-2
7
+
Inputs: All
UI-8
10V Max, 20mA Max
8
Gnd
UO-1
1
+
UI-9
Pot
Auto Off On
2
Gnd
0-20mA
Relay
3
+
0-10Vdc
UI-10
4
Gnd
Set Pot Full CW
Gnd
8
5
+
UO-8
UI-11
+
7
6
Gnd
Gnd
6
7
+
UO-7
Universal Input
UI-12
+
5
Mode Select
8
Gnd
Gnd
4
mA
Volts
UO-6
+
3
Thermistor/
dry-contact/
Gnd
2
24Vac
UO-5
RTD
+
1
Open Energy
Management Equipment
DO NOT APPLY 24Vac TO
10/100 BaseT
Gnd
8
UNIVERSAL OUTPUTS
UO-4
External 24Vdc relay coil only
+
7
IOPro812u
Ethernet Port E1
Gnd
6
Rev 6
UO-3
07/10/12
+
5
Outputs
Gnd
4
24Vdc Max, 50mA Max
UO-2
88F0
100 LAN LINK
+
3
E143900
Gnd
2
TYPE: 002003
Port 2b
UO-1
Aux Power Out
+
1
®
BACnet
24 Vdc
Over ARCNET156 KBaud
24 Vdc
Made in USA
200mA maximum
®
replacement parts. Use of parts not specified by
Indicator Lights
P1
P2
VFD1
Z1
Z2
CB1
CB1
Z3
Z4
11
1
2
3
4 5 6 7 8 9
POWER OUTPUT
7
5
6
Disconnect, 30A
9
L1
L2
L3
G
U1 V1 W1
G
U2 V2 W2
G
SECTION 11: R
L1/L L2/N L3
L1/L
L2/N L3
POWER INPUT
POWER INPUT
VFD2
OK
OK
VFD2
OPTIONAL
10
11
1
2
3
4 5 6 7 8 9
10
11
POWER OUTPUT
U
V W
U V W
17
N1
TRANSFORMER
N1/Gnd
24Vac
10
Part Number
10061001
10061002
10061003
10081501
10061004
10061005
10061006
10061007
10061008
10061009
10061010
10061011
10061014
10060170
10061012
10061013
10061201
10061202
10061203
10061204
10061205
10061206
10061207
P
EPLACEMENT
ARTS
85
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