TSBC Instruction Manual Page 25 of 48
Installation
Peer-To-Peer Network
The TSBC includes a dependable Peer-To-Peer communication network. This network allows multiple boiler
modulating lead/lag control and status signals to be transferred between boilers. In order to successful use this network
certain requirements must be followed.
Network Relevant & Updated Parameters
When using the Peer-To-Peer network certain “Network Relevant” parameters must be configured the same in all
boilers (refer to Appendix B for parameter identification). To facilitate the configuration of these “Network Relevant”
parameters, a network update feature has been included. Once communications is established between all boilers in a
system, changing to a “Network Relevant” parameter at the keypad of any boiler will update that parameter in all boilers.
In addition to the “Network Relevant” parameters, other common parameters are also “Updated” over the network
(although it is not necessary for them to be set identically among boilers on the network). If you wish to configure them
differently among boilers, you will have to disconnect the boiler from the network while you change them to prevent the
other boiler from being changed as well. “Network Relevant” and additional “Updated” parameters are identified in
Appendix B, Parameter Summary.
Initially Establishing Peer-to-Peer Communication
A Peer-to-Peer network is established as follows:
1. Assign all boilers a unique Boiler Address between 1 and 8 and set the Protocol to Peer-to-Peer.
2. Connect all boilers using a RJ11 ended telephone cable.
3. Configure all “Network Relevant” parameters identically on all boilers. Unexpected boiler behavior may result if
these parameter values differ among boilers on the network. When “Network Relevant” parameters are identical
the ‘Param Code’ parameter will be identical on each boiler (refer to page 40 for parameter location).
4. When two or more boilers are properly configured for communication, the controllers “auto detect” each other and
shares information.
Re-Establishing Peer-to-Peer Communication After an Individual Boiler Communication Failure
A Peer-to-Peer network is re-established as follows:
1. Ensure Boiler address is between 1 and 8 and is unique.
2. Ensure the Protocol parameter is set to Peer-to-Peer.
3. Use the ‘Param Code’ parameter to check that “Network Relevant” parameters are configured identically (refer to
page 40 for parameter location).
4. Remove control power from the boiler.
5. Connect the boiler to the network using a RJ11 ended telephone cable.
6. Apply control power to the boiler.
7. The network will “auto detect” the new boiler and assign it a position in the sequence based on the boiler address.
When a boiler is operated as a stand alone boiler, away from the network, it establishes itself as a lead boiler. If this
stand alone boiler is simply re-connecting to a network of operating boilers there is a potential that boiler operation will
be disrupted as the new boiler becomes lead. This potential is avoided by following the above Re-Establishing
procedure.
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