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®
ROBERTS GORDON
CORAYVAC
1.6 General Requirements
DANGER
Electrical Shock Hazard
Disconnect electric before service.
Controller must be properly grounded to an
electrical source.
Failure to follow these instructions can
result in death or electrical shock.
The ROBERTS GORDON
Heating Control series of controllers are supplied pre-
configured for use with ROBERTS GORDON
®
CORAYVAC
infrared heating equipment only. Fail-
ure to comply with the installation instructions and
configuration may invalidate the ROBERTS GOR-
®
®
DON
CORAYVAC
Modulating Heating Control lim-
ited warranty. See Page 113, Section 14.
The controller, variable frequency drive, burners,
pump and outside air blower must be electrically
grounded in accordance with the National Electrical
Code
®
ANSI/NFPA 70 - latest revision.
Before proceeding with the installation of the control-
ler, it will be necessary to check that the following
points have been considered:
1.7 CORAYVAC
®
Design Requirements
(Modulating Systems)
CORAYVAC
®
burners shall be CRV B-6, B-8, B-9,
B-10 or B-12 burners.
®
CORAYVAC
systems designed shall have
minimum radiant pipe length and 1.5 - 2.0' per flow
unit of tailpipe length.
CORAYVAC
®
systems designed shall have
recommended radiant pipe length and 1.2 - 1.5' per
flow unit of tailpipe length. See the CORAYVAC
Design Manual (P/N 127500NA) for minimum and
recommended radiant pipe length.
1.8 CORAYVAC
®
Design Requirements (On/Off
Systems)
CORAYVAC
®
burners shall be CRV B-2, B-4, B-6, B-
2
®
M
H
C
C
ODULATING
EATING
ONTROL
®
CORAYVAC
®
Modulating
®
-OR-
I
M
ONTROLLER
NSTALLATION
ANUAL
8, B-9, B-10, B-12A, or B-12 burners.
Radiant and tail pipe lengths shall comply with
design requirements specified in CORAYVAC
Design Manual (P/N 127500NA).
See Page 34, Figure 18 and Page 59, Section 8.3 for
on/off system specific setup.
Note: Use COMPLETE™ Modulating Heating Con-
trol (P/N 10060042 or 10060142) for these installa-
tions.
1.9 VANTAGE
®
Burners shall be VANTAGE
Radiant and manifold pipe lengths shall comply with
design requirements specified in VANTAGE
Installation, Operation, and Service Manual (P/N
152101NA).
Note: Use COMPLETE™ Modulating Heating Con-
trol (P/N 10060042 or 10060142) for these installa-
tions.
1.10 Unitary Design Requirements
Burners shall be VANTAGE
HEV, TF, CTHN or GORDONRAY
TAGE
®
CTH3/HEM burners will modulate. All other
burners will operate as on/off.
Note: GORDONRAY
will not function with CORAYVAC
Modulating Heating Control.
1.11 Control Board and Sensor Power
The power supply for all sensors is from the "+12 V"
terminal on the Rnet port of control board. Power for
the control board is 24 V provided by the transformer.
®
CTHN Multiburner Systems
®
CTHN.
®
CTH3, HEM, CTH2V,
®
BH. Only VAN-
®
DF (two-stage unitary heater)
®
or COMPLETE™
Power
Without Keypad:
24Vac
24Vac, 50VA
2A, 50-60 Hz
Port 1 Tx
26Vdc
Port 1 Rx
26Vdc, 23W, 0.9A
Gnd
Off
On
ONLY Use Copper
External
Conductors
Battery
Class 2
Archive Valid
Gnd
Port 2a Tx
Power
+3V
Port 2a Rx
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'
0 = Download required
Port 2a BT485
8
1 = Control Program Error
7
2 wire 4 wire
EIA-232
Port 2a
See BAS Table Below
2 = RAM full
6
BAS Port
Net+
Tx +
Tx
5
3 = Comm setup error
2
1
4
IP Addr
Net-
Tx -
Rx
Port 2a
4 = System error
3
Assigned Default
n/c
Rx +
DTR
Gnd
8 = Formatting
2
EIA-232
Enhanced
1
Rnet+
n/c
Rx -
DCD
Access Port 2a
On
Off
Rnet-
Off
EIA-485
BAS Port Settings
Signal Ground
+12V
7
8
BAUD 4
5
Protocols 6
Sense
4-wire
9600 Off Off
MS/TP m
Off
Off
Off
1's
Local
MS/TP s
On
Off
Off
2-wire
19.2 K Off On
Controller
PTP
Off
On
Off
Gnd
Access
38.4 K On Off
N2
On
On
Off
Address
76.8 K On On
Modbus
Off
Off
On
Rnet +
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
3
+
UI-2
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
UO-8
5
+
UI-11
+
7
6
Gnd
Gnd
6
7
+
Universal Input
UO-7
UI-12
Mode Select
+
5
8
Gnd
Gnd
4
mA
Volts
UO-6
+
3
Thermistor/
dry-contact/
Gnd
2
24Vac
RTD
UO-5
Open Energy
+
1
Management Equipment
DO NOT APPLY 24Vac TO
Gnd
8
10/100 BaseT
UNIVERSAL OUTPUTS
UO-4
External 24Vdc relay coil only
+
Ethernet Port E1
7
IOPro812u
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
Port 2b
TYPE: 002003
UO-1
Aux Power Out
+
1
BACnet
®
24 Vdc
Over ARCNET156 KBaud
24 Vdc
Made in USA
200mA maximum
®
®
CTHN
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