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15

FAULT DESCRIPTION

INDICATIONS

POSSIBLE CAUSE OF FAULT

OPERATIONS TO BE PERFORMED

The room is not

reaching the

desired

temperature

CH LED ON

heating cycle temperature set point too low

increase set point

chrono-thermostat temperature setting incorrect

check programming of 

chrono-thermostat

HIU strainer clogged

call qualified personnel to have it

serviced

heating valve actuator faulty

call qualified personnel to have it

replaced

heating valve obturator blocked

call qualified personnel to have it

replaced

modulating valve actuator connector disconnected

reconnect actuator connector

DHW temperature probe cable inverted with heating

probe

restore correct connection

presence of air in the system

vent the system

pump not working

call qualified personnel to have it

replaced

pump cable not connected

restore connection

possible system shut-off valves/terminals closed

open the valves

centralised system temperature insufficient

contact person in charge of system

electronic controller not working

call qualified personnel to have it

replaced

primary circuit flow rate insufficient

contact person in charge of system

centralised system not working

contact person in charge of system

CH LED OFF

chrono-thermostat time setting incorrect

check programming of chrono-

thermostat

chrono-thermostat not working

check chrono-thermostat

all LEDs are OFF

no electric power supply

restore HIU electric supply

protection fuse burnt out

call qualified personnel to have it

replaced

FAULT LED ON +

error code 4 active

heating circuit pressure too low

restore system pressure

FAULT LED ON +

error code 5 active

heating temperature probe faulty

call qualified personnel to have it

replaced

FAULT LED ON +

error code 15 active

compensation temperature probe faulty

call qualified personnel to have it

replaced

FAULT LED ON +

error code 69 active

safety thermostat cut-out

call qualified personnel to have it

serviced

FAULT LED ON +

error code 79 active

incorrect switch setting

restore correct switch setting

FAULT LED ON +

error code 80 active

incorrect switch setting

restore correct switch setting

Start-up of the

heat interface

unit heating

function triggers

the safety circuit

breaker

All LEDs are OFF

pump cable connector inserted the wrong way round

check that the pump cable connector is

inserted the right way round

Summary of Contents for SATK30 Series

Page 1: ...9 10 11 12 13 Maintenance 14 Function The SATK series HIU allows independent control of heat regulation and domestic hot water production within centralised heating systems or served by district heati...

Page 2: ...at sources or high intensity electromagnetic fields This device cannot be used in areas at risk of explosion or fire 3 The device must be connected to an independent bipolar switch If work has to be d...

Page 3: ...s steel Technical specifications SATK30105HE Medium water Maximum percentage of glycol 30 Maximum medium temperature 85 C Max working pressure primary circuit 1 6 MPa 16 bar secondary circuit 0 3 MPa...

Page 4: ...impurities that could endanger correct operation of the HIU Fix the HIU to the wall N B the wall anchors not supplied can only guarantee effective support if inserted correctly in accordance with goo...

Page 5: ...ves as shown in the figure ON DHW CH FAULT 2 1 0 1 2 3 4 bar ON DHW CH FAULT 2 1 NOTES 1 Install water hammer arresters to compensate for any overpressure in the domestic water circuit 2 In the presen...

Page 6: ...SATK30 series HIU are fitted with a filling unit equipped with a backflow preventer C check valve D and cock A When filling the system for the first time or for subsequent top up procedures following...

Page 7: ...et point temperatures and error codes 88 Trimmers for set point settings They allow the setting of the temperature set point for the operating cycles and view the relative value on the display Dip swi...

Page 8: ...C and rising in regular intervals to a temperature of 45 C Once the maximum set point has been reached the function is executed following the same procedures in reverse from the maximum set point to t...

Page 9: ...y requests to run cycles not associated to the previous one will continue to run normally Heating probe fault Error code 5 5 Domestic water probe fault Error code 6 6 Compensation probe fault Error co...

Page 10: ...temperature setting 45 75 C Set point regulation DHW production range 42 60 C Optional functions Domestic cycle DHW pre heating function Heating cycle modulating temperature regulation with compensat...

Page 11: ...0105HE HIU is factory set to support low temperature heating 25 45 C according to the following switch setting To modify the factory settings and enable the HIU to support medium high temperature syst...

Page 12: ...rted Vessel pre charge check For correct operation of the system periodically check at least once every six months the vessel pre charge value Replacing the valve obturator Extract the fixing clip D a...

Page 13: ...R s EBRUIK DEZE ENKEL VOOR AANSLUITING OP CODE s 5TILICE SOLAMENTE PARA LA CONEXI N CON COD 7 8 Raumthermostat Potenzialfreier Kontakt Sonde d ambiance Contact sec Termostato de ambiente Contacto sin...

Page 14: ...call qualified personnel to have it serviced modulating valve actuator faulty call qualified personnel to have it replaced valve obturator blocked in intermediate position call qualified personnel to...

Page 15: ...mary circuit flow rate insufficient contact person in charge of system centralised system not working contact person in charge of system CH LED OFF chrono thermostat time setting incorrect check progr...

Page 16: ...ecifications and made in accordance with best practices 13 Are the shut off valves open 14 Has the visual inspection of the hydraulic connections given a positive result 15 Has the system primary been...

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