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7
Internal Burner Firing-rate Controller
7.9
Control by Atmospheric Condition
If the burner firing-rate controller is configured as "controlled by atmospheric conditions" the
setpoint value can be shifted between the parameterised setpoint minimum and setpoint max-
imum by connecting another PT 100 temperature sensor to the terminals 39, 40 and 41. In the
realize by atmospheric conditions, the outside temperature is a component of setpoint calcu-
lation. This allows the operator to enter a minimum and a maximum setpoint, between which
the outside temperature can determine the final setpoint value.
Fig. 7-1 Control by atmospheric conditions
With the option "Control by atmospheric condition" you may realise an external setpoint pre-
setting.
7.10
Set Point Changeover
You can switch the setpoint with the input "setpoint switchover". If you use a version with fixed
setpoint value it is possible to select one of the two values, which are entered in the parame-
ters 796 and 798 with this contact.
If you have activated the control by atmospheric conditions additionally, you can select be-
tween two pairs of limit values (see control by atmospheric conditions and limit ranges). The
parameters for setpoint 1 (for setpoint switching) and setpoint min. 1 (for control by atmo-
spheric conditions) are equal. Likewise the parameters setpoint 2 and setpoint min. 2. The cor-
responding content is assigned according to the configuration.
When activating the "control by atmospheric conditions” option and setting the adjustable pa-
rameters, you may realise an external setpoint default. In other words, the setpoint can be ad-
justed manually or automatically via a potentiometer (or switched through resistors). By
connecting a change-over switch, you can implement a night-time reduction instead of control
by atmospheric conditions. A control by atmospheric conditions and a night-time reduction can
be realised simultaneously, if you combine the control by atmospheric conditions with the set-
point switching.
Содержание ETAMATIC
Страница 1: ...Manual ETAMATIC ETAMATIC S CE 0085 AU 0207 Sensors and Systems for Combustion Engineering...
Страница 2: ......
Страница 7: ...6 Table of Contents 9 27 Dimensions and weight 128 9 28 Declaration of Conformity 131...
Страница 65: ...64 8 Control Mode 8 2 1 Leakage test flow chart Fig 8 4 Flow chart leakage test...
Страница 69: ...68 8 Control Mode Switching in standby via LSB module Fig 8 7 Switching in Standby mode via LSB module...
Страница 90: ...89 9 Appendix 9 8 Process Sequence Charts Fig 9 3 Process sequence chart gas with pilot burner...
Страница 91: ...90 9 Appendix Fig 9 4 Process sequence chart oil with pilot burner...
Страница 92: ...91 9 Appendix Fig 9 5 Process sequence chart gas without pilot burner...
Страница 93: ...92 9 Appendix Fig 9 6 Process sequence chart oil without pilot burner...
Страница 98: ...97 9 Appendix 9 9 Connection Diagrams Fig 9 7 ETAMATIC wiring diagram with ignition flame monitoring...
Страница 99: ...98 9 Appendix Fig 9 8 ETAMATIC S wiring diagram with ignition flame monitoring...
Страница 104: ...103 9 Appendix Fig 9 16 LSB connection ETAMATIC LT1 other LAMTEC devices...
Страница 134: ...133 9 Appendix...
Страница 135: ......