7 INFORMATION menu
7.1 Menu overview
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OPERAT.
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HEATING
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DISTRIBUTION CIRCUIT1
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DISTRIBUTION CIRCUIT2
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HOT WATER
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COOLING
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POOL
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BUFFER TANK
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OP. DATA
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OPERAT. TIME
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DEFROST
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CALENDAR
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CLOCK
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HOT WATER
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EVU
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SILENT MODE
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TEMP.REDUCTION
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CONCRETE DRYING PROG.
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ALARM
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LANGUAGE
7.2
Sub-menu OPERAT.
Menu selection Meaning Factory setting
(OFF)
The installation is fully switched off. This mode is also used to acknowledge certain
alarms.
CANCEL = starting point, no changes made.
To select OFF as operating mode, press the minus sign once to scroll down one step and
press the right arrow once.
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AUTO Automatic operation with both heat pump and auxiliary heater permitted. If the number
of power stages for auxiliary heating are set to zero (SERVICE -> AUX. HEATER -> MAX
STEP) only AUTO or OFF can be selected as operating mode.
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COMPRESSOR
HEAT PUMP
The control system is controlled so that only the heat pump unit (compressor) is allowed
to operate. In this operating mode peak heating charging (anti-legionella function) of the
hot water will not run because the auxiliary heater is not used.
Operation with only compressor permitted.
No peak heating charging (anti-legionella function) with only
heat pump operation.
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AUX. HEATER Operation with only auxiliary heater permitted. -
HOT WATER Operation with heat pump for hot water production and auxiliary heater during peak
heating charging (anti-legionella function).
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MANUAL TEST Only displayed when the value for MANUAL TEST is set to 2 in the SERVICE menu. Out-
puts that control components are activated manually.
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Installation Guide Atec
Thermia Värmepumpar VMBQY102
31