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Sequence of Operation ........................................................................... 3
Boiler Setup .............................................................................................. 3
System Setup ........................................................................................... 6
Boiler Plant Operation ......................................................................... 8
Dual Fuel Operation ...........................................................................10
Outdoor Temperature Reset Operation .....................................10
Setpoint Operation .............................................................................12
Energy Management System (EMS) Operation .......................12
Indirect Domestic Hot Water (IDHW) Operation .....................13
Dedicated Domestic Hot Water (DDHW) Operation .............16
Building Automation System (BAS) Operation ........................16
Pump Operation ..................................................................................17
Combustion Air Damper & DHW Recirculation .......................19
Setting the Schedule ..........................................................................19
Time Clock ..............................................................................................20
Installation .................................................................................................21
Installation Location ...........................................................................21
Control Wiring .......................................................................................22
Sensor Installation & Wiring ............................................................25
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Testing the Sensor Wiring ................................................................29
Testing the Control Wiring ............................................... 30
Control Settings .......................................................................................31
Understanding Safety Information
This is a safety-alert symbol. The safety alert
symbol is shown alone or used with a signal word
(WARNING or CAUTION), a pictorial and/or a safety
message to identify hazards.
When you see this symbol alone or with a signal
word on your equipment or in this Manual, be alert to
the potential for death or serious personal injury.
This pictorial alerts you to electricity,
electrocution, and shock hazards.
To avoid serious personal injury or property damage:
Radio Frequency Interference
The installer must ensure that this control & its wiring are
isolated &/or shielded from strong sources of electromagnetic
noise. Conversely, this Class B digital apparatus complies
with Part 15 of the FCC Rules & meets all requirements of
the Canadian Interference-Causing Equipment Regulations.
However, if this control does cause harmful interference to
Heatronic 4000
Connections .......................................28
• Read Manual and all product labels BEFORE using this product and follow all safety and use
information. Failure to do so could result in personal injury or property damage.
• Do not use unless you know the safe and proper operation of equipment required for installation.
• It is the installers responsibility to ensure that this product is safely installed according to all
applicable codes and standards.
Access Level ...........................................................................................31
DIP Switch Settings .............................................................................31
User Interface ............................................................................................32
Display & Symbols ...............................................................................32
Navigating the Display ......................................................................33
View Menu ............................................................................................33
Setup Menu ..........................................................................................35
Source # Menu ......................................................................................41
BAS Menu ...............................................................................................43
Monitor # Menu ....................................................................................45
Monitor Menu ......................................................................................46
Time Menu ...........................................................................................48
Schedule Menu ....................................................................................49
Toolbox Menu ......................................................................................50
Manual Override .................................................................................52
Troubleshooting ......................................................................................54
Error Messages .....................................................................................54
Technical Data ....................................................................................57
Limited Warranty .....................................................................................57
Appendix: Bosch / Buderus Boiler Model Default Table ................... 58
This symbol identifies hazards which,
if not avoided, could result in death or
serious injury.
This symbol identifies hazards which,
if not avoided, could result in minor or
moderate injury.
This symbol identifies practices, actions, or
failure to act which could result in property
damage or damage to the equipment.
radio or television reception, which is determined by turning
the control off & on, the user is encouraged to try to correct
the interference by re-orientating or relocating the receiving
antenna, relocating the receiver with respect to this control,
&/or connecting the control to a different circuit from that to
which the receiver is connected.
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BTC461503101C | 6720810369 (2018/03)
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