Thermia iTec Commissioning

Parameter Meaning
ROOM SENSOR Activation of room sensor function for influencing cooling production.
Factory setting: , range: – ON
COOL.HYST.RS LO Compressor is stopped if the temperature from the room sensors falls below the desired temperature minus
COOL.HYST.RS LO.
Factory setting: 1°C, range: 0,5°C – 5°C
COOL.HYST.RS HI Compressor is not permitted to start if the criteria are not met.
Factory setting: 1°C, range: 0,5°C – 5°C
8.5 AUX. HEATER
Parameter Meaning
MAX STEP Maximum number of permitted steps for auxiliary heating.
= no auxiliary heating permitted (Means that only AUTO, HEAT PUMP or [SYMBOL] can be selected and that
no anti-legionella operation is possible.)
P = the potential free output controls an immersion heater connected before the hot water reversing valve and
not an external auxiliary heater as normal.
Factory setting:
, range: , – 5, P
START Factory setting: 75, range: 30 – 105
MAX CURRENT Refers to main fuse in the unit, in amperes. An expansion card must be connected for current measurement.
Factory setting: 20A, range: 16A – 35A
START DELAY Gives the time that the start of the auxiliary heater is delayed after a temperature reduction or EVU stop.
Factory setting: 30M, range: 0M – 120M
EXT.AUX.HEATER Activates the function for external auxiliary heater and states how it should be configured.
EXT.AUX.HEATER Switch the external auxiliary heater off and on.
Factory setting: , range: – ON
START Factory setting: 55, range: 1 – 100
STOP Factory setting: -10, range: -100 – 0
OFFSET EXT.A.H Factory setting: -1, range: -5 – 0
TURN OFF DELAY Indicates how long the external auxiliary heater must continue to be active after its
demand is no longer needed.
Factory setting: 0M, range: 0M – 180M
REV.V. HOT WATER Indicates whether the reversing valve for hot water is located before or after the
external auxiliary heater. (Determines whether the external auxiliary heater may
produce hot water.
Factory setting: INT, range: INT – EXT
TOPH. AUX. Indicates whether the external auxiliary heater can be used for anti-legionella. The
reversing valve must be positioned after the external auxiliary heater.
Factory setting: , range: – ON
SHUNT TIME EXT. Indicates the shortest permitted interval between control signals to the shunt.
Factory setting: 60S, range: 10S – 99S
SYS. PUMP COOL
Factory setting: , range: – ON
8.6 MANUAL TEST
Parameter Meaning
MANUAL TEST 0 = deactivate manual test
1 = activate manual test
2 = activate manual test with option of navigating from the SERVICE menu to check that the temperatures rise
for example.
OUTDOOR UNIT 0 = stop outdoor unit
1 = start outdoor unit
Commissioning iTec
Thermia Värmepumpar VIJSR102
35

Thermia iTec Specifications

General

Brand	Thermia
Model	iTec
Category	Heat Pump
Language	English