Thermia ATEC Installation Guide

8.7 INSTALLATION
Parameter Meaning
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
CIRCUIT 1 - 2
Activates the shunt group function and indicates if the shunt group 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.
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
CURRENT LIMITER Activates the current limiting function. An expansion card must be installed for current measurement.
Factory setting: , range: – ON
START UP CHECK Activation of the function for checking temperature and pressure at compressor start.If deviations are found this
is indicated by an alarm.
Factory setting: ON, range: – ON
SERVICE TIME
N
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
OUTDSYSTEM
SUPPLYSUPPLY
LINERETURN
LINEHOT
WATERHOT
WATER
TOPREFR 1
REFR 2
DISCH.
PIPEDEFR SENSOR
BUFFER TANK
DISTRIBUTION CIRCUIT 1
DISTRIBUTION CIRCUIT 2
POOL
SUCTION GAS
Factory setting: 0, range: -5°C – 5°C
EXTERNAL FACTOR: Affects sensors that are installed inside the heat pump.
Factory setting: 0, range: 0°C – 20°C
Installation Guide
Atec
Thermia Värmepumpar VMBQY102
41

Thermia ATEC Specifications

General

Brand	Thermia
Model	ATEC
Category	Heat Pump
Language	English