8.8 INSTALLATION
Parameter Submenu Meaning
SYSTEM HEAT SOURCE Selecting heat pump type for configuration of control.
Outdoor air with direct evaporation and four-way valve.
POOL Activates the pool function.
Factory setting: , range: – ON
DISTRIBUTION CIR-
CUIT 1 - 2
Activates the distribution circuit function and indicates if the circuit is to be controlled
by the heat curve or by a constant temperature.
Factory setting: , range: – HEAT CURVE – CONSTANT TEMP
SHUNT TIME - Indicates the shortest permitted interval between control signals to the
shunt.
OFFSET -
Factory setting: 60s, range: 10s – 99s
BUFFER TANK Activates the buffer tank function.
Factory setting: , range: – ON
OPTIMUM Activates the Optimum function, makes use of a speed controlled circulation pump
possible.
Factory setting: , range: – ON
ZONING Number of zones to control.
Factory setting: 0 range: 1-2
CURRENT LIMITER
Activates the current limiting function. An expansion card must be installed for current measurement.
Factory setting: , range: – ON
SERVICE TIME
Only used for test operation. The heat pump counts
60 times as fast, which means that the waiting times
are eliminated during test operation.
0 = deactivates SERVICE TIME
1 = activates SERVICE TIME, which speeds up the control system’s integral calculation and start delay by 60
times.
Factory setting: 0, range 0 – 1
FACTORY SET Indicates if resetting to factory settings must be done.
CANCEL: Starting point, no changes made.
RADIATOR: Reset factory settings for radiator system
FLOOR: Reset factory settings for underfloor heating.
RESET OPER. TIME Used to reset operating times.
0 = no reset of operating times
1 = reset of operating times to zero
Factory setting: 0, range 0 – 1
SENSOR CALIBRA-
TION
OUTDOOR
SYSTEM SUPPLY
SUPPLY LINE
HOT WATER SENSOR
TOP WATER SENSOR
BUFFER TANK
DISTR. CIRCUIT 1
DISTR. CIRCUIT 2
POOL
TANK iTec XT Total EQ
Commissioning iTec XT
Thermia AB AWIXT01CG0102
41
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