Bosch Heatronic 4000 Installation & Operating Instructions Manual page 42

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Heatronic 4000
BOILER MASS
LOW, MED, HI
The thermal mass characteristics of the boiler.
Default: HI
Requirements: This item is only available if Boiler Enable is set to AUTO & Copy
Boiler 1 is set to OFF. This item is not available for adjustment if Bosch / Buderus
Model is set to YES.
BOILER OUTPUT LOW
10 to 9990 MBtu/h
Minimum (low fire) heat output in Btu/hr/1000.
Default: 180 MBtu/h
Requirements: This item is only available if Boiler Enable is set to AUTO, Copy
Boiler 1 is set to OFF & Boiler Type is set to MOD.
BOILER OUTPUT HIGH
10 to 9990 MBtu/h
Maximum (high fire) heat output in Btu/hr/1000.
Default: 530 MBtu/h
Requirements: This item is only available if Boiler Enable is set to AUTO & Copy
Boiler 1 is set to OFF.
MOTOR SPEED
10 to 230 sec
The amount of time required for the modulating actuating motor to fully open the
Default: 15 sec gas valve or operate the blower from a stopped position to full speed.
Requirements: This item is only available if the Boiler Enable is set to AUTO,
Boiler 1 Copy is set to OFF & Boiler Type is set MOD.
0 to 100% START MODULATION
The percentage modulation required for ignition.
Default: 0%
Requirements: This item is only available if the Boiler Enable is set to AUTO,
Boiler 1 Copy is set to OFF & Boiler Type is set MOD.
MINIMUM MODULATION
0 to 50%
The minimum percentage modulation of the burner.
Default: 0%
Requirements: This item is only available if the Boiler Enable is set to AUTO,
Boiler 1 Copy is set to OFF & Boiler Type is set MOD.
50 to 100% MAXIMUM MODULATION
The maximum percentage modulation of the burner.
Default: 100%
Requirements: This item is only available if the Boiler Enable is set to AUTO,
Boiler 1 Copy is set to OFF & Boiler Type is set MOD.
EMS SIGNAL MINIMUM
0.5 to 10.0
The minimum analog signal used for the EMS (temperature input) boiler and
Default: 1.0
corresponds to the EMS Temperature Minimum.
Requirements: This item is only available if the Boiler Enable is set to AUTO, Boiler
1 Copy is set to OFF, Boiler Type is set EMS & Modulation Type is set to 0-10.
50 to 210°F, OFF
EMS TEMPERATURE MINIMUM
(10.0 to 99.0°C) The temperature that corresponds to the bottom rail (minimum) of the analog signal
(4 mA / Vdc Signal Minimum) used for the EMS (temperature input) boiler.
Default: 50°F
Requirements: This item is only available if the Boiler Enable is set to AUTO,
Boiler 1 Copy is set to OFF & Boiler Type is set EMS.
50 to 210°F, OFF
EMS TEMPERATURE MAXIMUM
The temperature that corresponds to the top rail (maximum) of the analog signal
(10.0 to 99.0°C)
(20 mA / 10.0 Vdc) used for the EMS (temperature input) boiler.
Default: 210°F
Requirements: This item is only available if the Boiler Enable is set to AUTO,
Boiler 1 Copy is set to OFF & Boiler Type is set EMS.
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BTC461503101C | 6720810369 (2018/03)