CALEFFI SATK32105 Instructions For Installation, Commissioning And Maintenance

Safety thermostat cut-out Error code 69 HIUs configured to support low temperature heating continuously monitor the safety thermostat controlling the flow temperature. If the safety thermostat is activated during a general cycle, the heating circulation pump immediately comes to a stop and the modulating valve is completely closed. After th ...

Secure the metal bracket supplied with the HIU to the wall using suitable wall anchors. Installation with template NOTE: Before installation, it is recommended to carry out accurate flushing of all the pipes of the system in order to remove any residue or impurities that could endanger correct ...

CALEFFI SATK32105 OPERATIONS TO BE PERFORMED Domestic hot water is not heated blinking icon primary circuit shut-off valves closed open the valves modulating valve actuator disconnected from valve body reconnect actuator modulating valve actuator faulty call qualified personnel to have it replaced DHW temperature probe cable ...

CALEFFI SATK32105 IMPORTANT! FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN A SAFETY HAZARD! 1 The device must be installed, commissioned and serviced by qualified technical personnel in accordance with national regulations and/or relevant local requirements. 2 If the ...

CALEFFI SATK32105 The SATK series HIU is designed for installation in a sheltered domestic environment (or similar), therefore it cannot be installed or used outdoors, i.e. in areas directly exposed to the weather. Outdoor installation may cause malfunctioning and hazards. If the appliance is enclosed inside or between cabinets, sufficient space must ...

CALEFFI SATK32105 1 Is the heat interface unit properly secured to the wall? 2 Has the system flushing been carried out? 3 Check strainers and clean them if necessary 4 Is the heat meter (if present) connected? 5 Is the heat meter (if present) connected to the building datalogger (if required)? 6 Is the DCW line fitted with a pressure reducing valve? ...

CALEFFI SATK32105 An external room thermostat, if installed, must necessarily be with potential-free contact. The external thermostat has to be connected to the terminals “RT” shown in the adjacent figure. The terminals can be accessed by removing the door on the HIU electronic regul ...

CALEFFI SATK32105 1 Heating cycle in progress 2 Comfort cycle (pre-heating/recirculation) in progress 4 HIU OFF 8 Error not active 16 Error active 32 The HIU is equipped with a contact, driven by a relay incorporated in the circuit board, the intervention logic of which can be programmed in accordance with ...

CALEFFI SATK32105 Mod-Bus communication. Electronic circuit board Other electronic regulator functions • Reset diverter/modulating valve to zero Immediately after the power supply has been switched on, the position of the modulating valves is reset to zero. • Pump anti-seizing When the pump is not in use, it is ...

CALEFFI SATK32105 Medium: water Max. percentage of glycol: 30% Maximum medium temperature: 90°C ...

CALEFFI SATK32105 The HIU is fitted to house a compact heat meter (with incorporated return probe) with 1” threaded connections and length of 130 mm. Before carrying out any maintenance, repair or part replacement work, proceed as follows: - cut off the electric supply - remove the cover - close the shut-off valves on the primary flow and retur ...