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Product Features
Energy Management System (EMS) Boiler Control (continued)
Display Shows: Remote Sensor & Remote SP Mode
Return
Water
Wired to Each
TSBC Controller
EMS System Connections
Lockout Indicator (LO)
Soft Alarm (SO)
Remote On / Off (Enable) (RO)
Remote Setpoint (C+,C-)
Outside Air
Temperature
( O + , O - )
Boiler
Circulator
Remote System
Temperature
( R + , R - )
Boiler Outlet
Temperature
( BO , BC )
POWER
ALARM
Boiler
Circulator
Boiler Inlet
Temperature
(BI, BC)
POWER
ALARM
Boiler
Circulator
POWER
ALARM
Remote System
Temperature
(R+,R-)
Outside Air
Temperature
(O+, O-)
Connects to
Up to Eight
Boilers
System
Circulator
System
Supply Water
RJ 11 , RS 485
Peer to Peer
Network
Remote Sensor & Remote SP Mode Application Diagram
(Showing relevant connections for 3 boilers, typical for up to 8)
Features
Setpoints
The setpoint is determined by the Remote Input (C+,C-)
and operator sets the on and off points from the LCD
display.
Modulation Rate Control
Boiler automatically modulates to maintain the Remote
System Temperature (RST) at setpoint.
Call for Heat
The Call For Heat is determined by setpoint, on and off
points and Remote System Temperature. If a Peer-To-
Peer network is activated, a Call for Heat is also initiated
when the Lead boiler modulation rate % is above an
adjustable High Fire Rate Limit (Parameter 37) for too
long a time.
Options
Warm Weather Shutdown (WWSD)
If enabled, the WWSD will disable a boiler start when
temperature is above a Warm Weather Shutdown
(WWSD) setpoint.
Outside Air Reset and Domestic Hot Water Priority input
(DP) are ignored.
Selecting This Control Mode
To select Remote Sensor & Remote SP Mode set the
following parameters:
System Configuration Menu:
Remote Control = “Remote SP”
Remote System Temperature Sensor = Control
Local / Remote Input (LR) = Closed (Jumper (LR) to (C) )
Remote On / Off (Enable) Input (RO) = Closed (Jumper (LR)
to (C) )
When the Local / Remote Input (LR) is open, Remote Input
(C+,C-) is ignored and Remote Sensor & Local SP Mode is
active.
If the Remote On / Off (Enable) (RO) input is opened, the
Call For Heat Relay (CH) is de-energized.
Peer-To-Peer Network
To establish a Peer-To-Peer network follow the procedure
provided on page 25.
If the Peer-To-Peer network is activated the Lead boiler
controls modulation rate and Call for Heat for all networked
boilers. Up to 8 networked boilers are fired in “Unison” (all
at the same modulation rate).
TSBC Instruction Manual Page 12 of 48