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Example
84/226
Building Technologies
HVAC Products
Output stage
1
Boiler release
1.1
This switch-on order is called binary switching on. With the RMK770, binary switching
on is restricted to the first 2 boilers. The next boilers are switched sequentially. With
binary switching on, boiler 2 is always the controlling boiler.
Binary switching of boiler sequence with 2 boilers:
Output of boiler 1 = 100 %, output of boiler 2 = 200 %
400
380
360
340
320
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
0
20
40
60
80
Main menu > Commissioning > Settings > ... or
Main menu > Settings > Boiler sequence manager > Control parameters
Operating line
Boiler sequence strategy
6.3.4
Boiler sequence operating mode
or
Main menu > Boiler sequence manager > Boiler sequence optg mode
Operating line
Preselection
Setp preselection manual
Main flow temperature actual
value
State
Cause
Boil sequence selection manual
Selection of the boiler sequence operating mode includes "Auto", "Release DHW" and
"Off".
Boiler Sequence Controller RMK770
6 Boiler sequence management
2
3
1.1+1.2
2.1
100
120
140
160
180
200
220
Heat demand or load
Range
Sequentially / Binary-
sequentially
Range
Auto / Release DHW / Off
---- / 8...140 °C
On / Off
Commissioning /
Operating mode selector /
Frost protection for consumer /
Flow/return frost protection /
Sustained mode /
Overtemp protection / overrun /
Protective boiler startup seq /
Flue gas measuring mode /
Manual control /
No boiler sensor available /
No requisition / Requisition
Auto / 1...6
4
5
2.1+2.2
1.1+2.1+2.2
240
260
280
300
320
340
Factory setting
Sequentially
Factory setting
Auto
---- °C
Auto
360
380
400
CE1P3132en
01.03.2005
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