User Manual

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Building Technologies Division CC1N7494en
20.04.2016
Functions
 Minimum and maximum limitation of boiler temperature
 Forced intermittent operation
 Burner control programs for 3 capacity ranges
 Acquisition of actual value
 Supervision of flue gas temperature
 Electronic (Safety)Temperature Limiter)
 Temperature limiter function
 Proof of flow / supervision of water pressure
 Pressure sensor
 Output / speed limitation
 Limitation / supervision of ionization current
 Burner lock
 Continuous pump run
 Boiler temperature control
 Choice of compensation variants
 Consumer management (CM)
 Frost protection for the boiler
 Modulating pump with delta-T supervision
 DHW storage tank charging via solar
 Overtemperature protection for collector and DHW storage tank
 Frost protection for solar plant
 Weather compensation
 Pump heating circuit with 7-day program
 Mixing / pump heating circuit with 7-day program
 Giving consideration to building dynamics (building time constant)
 Connection facility for room unit
 Automatic adaptation of heating curve (only with QAA73…)
 Automatic changeover of summer / winter operation
 Automatic 24-hour heating limit
 Holiday program (only with QAA73…)
 Quick setback and boost heating (only with QAA73…)
 Optimum start / stop control (only with QAA73…)
 Floor curing function
 Frost protection for flow and plant
 DHW storage tank charging with 7-day program
 DHW charging with charging pump or diverting valve
 DHW charging with one sensor, 2 sensors, or thermostat
 Selectable priority (absolute / none)
 Selectable DHW program (according to DHW program / heating programs
(only with QAA73…), 24 hours
 Automatic DHW push (only with QAA73…)
 Legionella function
 Control of DHW circulating pump
 ECO function
 Control of stratification storage tank
 Control of instantaneous DHW heater
 Aqua booster system
 Frost protection for DHW
 Automatic summer- / wintertime changeover
 Standard time programs
 Multifunctional inputs and outputs
 Connection facility for operating unit (HMI)
 Connection facility for mixing valve module for 2nd mixing / pump heating circuit
 Connection facility for service tool (via OCI490…)
 Connection facility for remote supervision (via OCI6...)
 Automatic detection of sensors
 Input and output test
 Maintenance and fault status messages
Heat source boiler
Heat source solar
Heating circuit control
DHW control
General