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DDR OT/BACIP Gateway 

DDRA 015 v1.1 04/2010 

 

Important Regulatory and Installation Requirements 

Codes 

The installation of this unit must 

be in accordance with local 
codes. 

All electrical wiring is to be done 

in accordance with the latest 
edition of CSA C22,1 Part 1 and/

or local codes. In the U.S. use 
the National Electrical Code 
ANSI/NFPA 70. 

The installing contractor must 

comply with the Standard of 
Controls and Safety Devices for 

Automatically fired Boilers, ANSI/
ASME CSD-1 where required by 

the authority having jurisdiction. 

Working on the equipment 

The installation, adjustment, 
service and maintenance of this 

unit must be done by a licensed 
professional heating contractor 

or persons who are qualified and 
experienced in the installation, 

service, and maintenance of 
similar products. There are no 
user serviceable parts on this 

control. 

Power supply 
Install power supply in 

accordance with the regulation of 
the authorities having jurisdiction 

or in absence of such 
requirements, in accordance with 
National Codes.  



Please carefully read this manual 
prior to attempting installation. 

Any warranty is null and void if 
these instructions are not 

followed. 



The completeness and 
functionality of field supplied 
electrical controls and 

components must be verified by 

those installing the device 

Purpose of Device and Operation 

The DDR OT/BACIP Gateway 
provides a communication 

translation between OT enabled 
boilers and BACnet enabled BMS 

systems.  

The DDR OT/BACIP Gateway may 
be either part of a control panel 

or stand-alone control device. 

Warning 

More than one live circuit. See 

wiring diagram in this manual. 

Turn off power supply to control 

and damper/blower before 
servicing. Contact with live 

electrical components can result 

in serious injury or death. 

Summary of Contents for 704501

Page 1: ...plicable Controls DDR Boiler Controls for MCA Pro C230 ECO A and Gas 310 ECO Series Technical Installation and Configuration Information IMPORTANT Read and save these instructions for future reference Cautionary Statement The information presented in this document is only to be used by those familiar with its application and use DDRA 015 001 v1 1 04 2010 ...

Page 2: ...efer to another manual or other pages in this instruction manual Specific information Information must be kept in mind to maintain comfort Warning Before you operate this boiler read this manual carefully and take extra precautions to all safety and warning symbols or important items The operating manual is part of the documentation along with the boiler The installer is required to explain your h...

Page 3: ...ilar products There are no user serviceable parts on this control Power supply Install power supply in accordance with the regulation of the authorities having jurisdiction or in absence of such requirements in accordance with National Codes Please carefully read this manual prior to attempting installation Any warranty is null and void if these instructions are not followed The completeness and f...

Page 4: ...DDR OT BACIP Gateway DDRA 015 v1 1 04 2010 4 DDR OT BACIP Gateway505 This page is intentionally left blank ...

Page 5: ...n Section 2 Control Information Section 2 0 Information Page What s In The Box 6 Gateway Assembly Overview 7 Gateway Connection Overview 8 C230 ECO A Gateway Installation Steps 9 Gas 310 ECO Gateway Installation Steps 11 Gas 310 ECO OT Module Installation Steps 12 ...

Page 6: ...wing Qty Description 1 Communication Gateway on DIN rail 1 Gateway power supply on DIN rail 2 End stops on DIN rail 1 OT Interconnection cable 1 Gas C230 wiring harness 1 Gas C310 wiring harness 2 M5x8 Machine screws DIN Rail 2 M5 Lock nut DIN Rail 2 Power supply interconnection wires 1 DIN Rail Gateway and Power supply mounted 1 Installation manual ...

Page 7: ... 4 DIN rail locks 5 Power supply connection jumpers Warning When extending wire there is the possibility of exposure to electromagnetic interference Avoid running wires beside or near high voltage 120 240 VAC conductors If proximity to high voltage conductors cannot be avoided use stranded twisted pair of shield design wire Ensure that only one end of the shielding is grounded ...

Page 8: ...c to the application Information 1 2 1 BACnet IP RJ45 connection 2 OT connection terminals A and B 3 Power Connections to power supply Connection Overview Warning When extending wire there is the possibility of exposure to electromagnetic interference Avoid running wires beside or near high voltage 120 240 VAC conductors If proximity to high voltage conductors cannot be avoided use stranded twiste...

Page 9: ...he two stand offs removed enlarge the holes with 3 16 drill bit to allow for the M5 screws which fasten the DIN rail to the control housing WATCH FOR METAL SHAVINGS 3 With the holes enlarged insert the M5 screws through the DIN rail out towards the back of the control and tighten with supplied M5 lock nut Note Remove gateway and power supply from DIN rail Release the fastening tabs to allow DIN ra...

Page 10: ...supply Insert the blue wire into the N terminal of the power supply Tighten both terminals of the power supply 3 Locate the K1 plug harness from within the control Plug in the harness installed in the previous step to the K1 plug 4 Wire the OT communications harness into the green OT plug Plug can be removed by unplugging from control Insert wires and tighten terminal screws Not polarity sensitive...

Page 11: ...supply onto the mounted DIN rail by positioning the bottom DIN rail hooks at the bottom of the DIN rail Tilt both units upwards and ensure upper clip hold devices to DIN rail 3 Connect the OT cable connected to terminals A and B of the gateway to terminal block X29 terminals 11 and 12 Using a small flat blade screwdriver apply pressure into the terminal block and insert the wires Remove screwdrive...

Page 12: ...metal wall Bring plug towards the front of the control 2 Remove two screws from upper section of control One screw will be used to secure OT module to control 3 Position OT module on top of control with two wire harnesses towards the front of the control Secure module with screw from previous steps Locate the X16A male plug of the OT module and plug it into the X16 female socket from previous step...

Page 13: ... the X16 plugged into the OT module 2 Locate the K2 X24 and K2A X24A connectors on the boiler control Press the release tab on the K2 X24 connector and unplug from the socket 3 Locate the left harness connector X24A socket on the previously installed OT module and connect the K2 X24 plug into the X24A socket ...

Page 14: ...ler wiring harness and connect one of the multi plugs into the mating socket on the interface Note that the ribbon cable will have many plugs attached that can be connected to other accessory boards Use nearest plug without straining the cable against any other plug Once all of the connections have been verified the power switch of the control can now be turned on to perform the communication test...

Page 15: ... 04 2010 Configuration of Gateway Overview Configuration Information Section 3 0 Information Page Configuring BACnet IP Settings 16 BACnet Device Settings 17 BACnet Objects 18 Variables 19 LED Troubleshooting 20 Technical Information 21 ...

Page 16: ... computer s IP address to 192 168 88 90 subnet mask 255 255 255 0 Restart the Gateway by cycling the power off and then on again Open a browser window and insert the following URL http 192 168 88 89 admin The default user name password is admin and admin without the quotes This can be renamed in the Change Password screen At this point you will see the Configuration pages IMPORTANT Make sure that ...

Page 17: ...specified a duplicate IP Address Any Computer on the network should now be able to access these configuration screens BACnet Device Settings You can now reconfigure these settings according to your network requirements Make sure that you press SAVE on every screen where you make changes The new setting will not take effect until the Activate Configuration screen has been confirmed These configurat...

Page 18: ...nalog Input 6 Room Set point temperature C F T Analog Input 7 Outside Temperature C F T Analog Input 8 Return Water Temperature C F B Analog Input 9 Flue Gas Temperature C F B Analog Input 10 Boiler Heat Exchanger Temperature C F B Analog Input 11 Boiler Fan Speed Hertz B Analog Input 12 Water Pressure Bar PSI B Analog Input 13 OEM Fault Code 0 255 B Analog Input 14 OEM Diagnostic Code 0 65535 B B...

Page 19: ...ature R C F Boiler Heat Exchanger Temperature R C F Boiler Fan Speed R Hertz Water Pressure R Bar PSI Boiler Fault no fault fault R 0 1 Flame Status no flame flame R 0 1 Service Required not req d req d R 0 1 Lockout Reset R 0 1 Low Water Pressure R 0 1 Gas Flame Fault R 0 1 Air Pressure Fault R 0 1 Water Over Temperature R 0 1 Units Metric Imperial C F Bar PSI W 0 1 Set point Either Boiler Temp o...

Page 20: ...DDR OT BACIP Gateway DDRA 015 v1 1 04 2010 20 Technical Information Trouble Shooting Problem LED2 is flashing Control BMS Mode LED 1 flash per second OK LED 4 flash per second No Communication ...

Page 21: ...5 4 3 1 24VAC Power Supply Connections 3 BACnet RJ45 BMS Connection 4 N A 5 N A 6 N A 7 N A 8 OT Status LED 2 Power LED indicator 9 OT connection to boiler control A and B PCB Identifiers Specifications 2 9 Caution Static sensitive components may be damaged by improper handling or work within the control Ensure all possible measures are taken to eliminate build up of static electricity ...

Page 22: ...DDR OT BACIP Gateway DDRA 015 v1 1 04 2010 22 KWE Technologies Group 750 McMurray Road Waterloo Ontario Canada N2V 2G5 Tel 519 747 5042 Fax 519 747 4448 www kwe tech com info kwe tech com ...

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