6.3 Test reversing valve (if installed) for hot water
1. Activate the reversing valve by setting the value REV.V. HOT WATER to 1.
2. Check that the indicator on the reversing valve's upper side changes position.
6.4 Test the auxiliary heater
1. Start the circulation pump by setting the value CIRC.PUMP to: 1 (OPTIMUM not selected), 30-100% (OPTIMUM selected) .
2. Start the auxiliary heater by setting the value of present EXT. AUX. HEAT to 1.
3. Check that the auxiliary heater works by exiting the MANUAL TEST menu and
enter the INFORMATION -> OP. DATA menu and check that the temperature of SUPPLY LINE rises.
4. Return to the menu MANUAL TEST and stop the auxiliary heater by setting EXT. AUX. HEATER value to 0.
5. Stop the circulation pump by setting the SYSTEM CIRC. PUMP value to 0.
6.5
Checking sensors
Check applicable sensors described in the table below.
Parameter
Meaning
OUTDOOR Shows the temperature on the outdoor sensor.
ROOM Shows the temperature on the room sensor.
SUPPLY LINE Shows the temperature on the supply line sensor.
The calculated supply temperature to the heating system group is within brackets.
TANK SENSOR Shows the temperature on the iTec XT Total EQ tank ( Only in iTec XT Total EQ)
RETURN SENSOR Shows the temperature on the system return (Only in iTec XT Total EQ)
CONDENSER OUT Shows the temperature on the condenser out sensor.
CONDENSER IN Shows the temperature on the condenser in sensor.
SYSTEM SUPPLY Displays the temperature of the system supply line sensor at the buffer tank system or if the external auxiliary
heater is activated.
DISTR. CIR.1 Shows the temperature on the distribution circuit 1 sensor.
The calculated supply temperature for the shunt group is within brackets.
DISTR. CIR.2 Shows the temperature on the distribution circuit 2 sensor.
The calculated supply temperature for the shunt group is within brackets.
BUFFER TANK Shows the temperature on the sensor for the buffer tank.
HOT WATER Displays the temperature on the hot water sensor on the condition that hot water production is permitted.
REFR 1 Shows the temperature at refrigerant sensor 1.
REFR 2 Shows the temperature at refrigerant sensor 2.
POOL Displays the temperature on the pool sensor on the condition that pool operation is permitted.
CURRENT Displays the current consumption in Amperes. The set value for MAX CURRENT is shown in brackets.
Only appears if CURRENT LIMITER is selected in the Service menu.
DISCH. PIPE Shows the temperature at the discharge pipe sensor.
COMPR. TEMP Shows the temperature of the compressor.
AMB.T.OUTD.UNIT Shows the ambient temperature of the outdoor unit.
ZONE 1 Status of digital input controlling zone 1. (1 = close zone, 0 = open zone).
ZONE 2 Status of digital input controlling zone 2. (1 = close zone, 0 = open zone).
Commissioning iTec XT
Thermia AB AWIXT01CG0102
27
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