Bosch Heatronic 4000 Installation & Operating Instructions Manual page 53

4 boiler control, dhw, bacnet and modbus io heatronic 4000 2014/04 en-us
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Selecting a Manual Override Mode
Press &
hold for 3
Manual
seconds
Override
Item Field
AUTO, OFF, HAND,
MAX, PURG
1hr to 72hr
OFF or ON
OFF or ON
OFF, PMP1 or PMP2
OFF or ON
OFF or ON
1STG: OFF or 1
2STG: OFF, 1 or 2
0 to 100%
EMS: OFF, 50 to
210 °F (OFF, 10 to
99°C)
BTC461503101C | 6720810369 (2018/03)
Once an item is selected in this menu, there is a 3 second delay before
the feature activates.
Range
MANUAL OVERRIDE
Select which mode of manual override to activate.
TIMEOUT
Set the timeout used for the Hand & Maximum Heat manual overrides.
Requirements: This item is only available if Manual Override is set to either
HAND or MAX.
ALERT
Selects manual operation of the Alert Dry relay.
Requirements: This item is only available if Manual Override is set to HAND.
AUXILIARY
Selects manual operation of the Auxiliary relay. The Auxiliary is defined to be
either a C.A. damper or a DHW recirculation pump.
Requirements: This item is only available if Manual Override is set to HAND.
PRIMARY PUMP
Selects manual operation of the primary pump. Only one pump can operate. If a
pump is operating & then the other pump is selected, the former pump will turn
off while the latter pump remains on.
Requirements: This item is only available if Manual Override is set to HAND.
DHW TANK PUMP
Selects manual operation of the DHW Tank pump.
Requirements: This item is only available if Manual Override is set to HAND &
IDHW Mode is set to ON.
BOILER (#) PUMP
Selects operation of the boiler pump. This item is available for each of the available
boilers.
Requirements: This item is only available if Manual Override is set to HAND &
Boiler Enable is set to AUTO.
BOILER (#) STG
Selects operation of single & two stage boilers. This item is available for each of
the available single & two stage boilers. If the boiler pump is not already activated,
it will turn on.
• OFF: boiler off (applicable for single & two stage)
• 1: Turn on stage 1 (applicable for single & two stage)
• 2: Turn on stage 2 (applicable for two stage)
Requirements: This item is only available if Manual Override is set to HAND &
Boiler Enable is set to AUTO & Boiler Type is set to 1STG or 2STG.
BOILER (#) MOD
Sets percentage modulation for modulating boilers. This item is available for each
of the available modulating boilers. If the boiler pump is not already activated, it
will turn on.
Requirements: This item is only available if Manual Override is set to HAND &
Boiler Enable is set to AUTO & Boiler Type is set to MOD.
BOILER (#) TEMP
Sets the target temperature for temperature input boilers. This item is available for
each of the available temperature input boilers. If the boiler pump is not already
activated, it will turn on.
Requirements: This item is only available if Manual Override is set to HAND &
Boiler Enable is set to AUTO & Boiler Type is set to EMS.
Description
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Heatronic 4000
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