Building Technologies 74 319 0618 0 a 17.04.2008 43/276
en
120 = flow alarm
140 = inadmissible bus address
(LPB) or plant type
Settings on the “Heating engineer” level
Press
and simultaneously for 3 seconds to activate the “Heating engineer” level for
selecting the plant type and the plant-related variables.
Selecting the plant type on operating line 51:
The required plant type must be selected on operating line 51 using buttons
and . This
activates all functions required for the respective type of plant and shows the associated operat-
ing lines.
A plant type is comprised of a space heating circuit (6 different types) and a d.h.w. circuit
(5 different types). The 2 types of circuits can be combined in 29 different ways. The following
plant diagrams show all possible combinations.
The controller's operating line 51 only accepts combinations that are possible.
Example of a setting:
2540Z02
1 = heating circuit type 1
2 = d.h.w. circuit type 2
51 Plant type 1−1
(1−0 … 6−5)
.........................
Type numbers in the following
section
Plant types
A6 Room unit E2 Load (room)
B1 Flow boiler temperature sensor LPB Data bus
B3 Flow temperature sensor for d.h.w. K6 Electric immersion heater
B31 D.h.w. storage tank temp. sensor / thermostat 1 M1 Heating circuit pump or circulating pump
B32 D.h.w. storage tank temp. sensor / thermostat 2 M3 Charging pump
B5 Room temperature sensor M4 Circulating pump
B6 Collector sensor M5 Collector pump
B7 Return temperature sensor (primary circuit) N1 Controller RVL481
B71 Return temperature sensor (secondary circuit) Y1 Heating circuit valve
B9 Outside sensor Y3 Changeover valve
E1 Heat source (boiler / heat exchanger) Y7 D.h.w. valve
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