Exterior view of boilers. Pic.1a EKCO.T boiler Pic.1b EKCO.TM boiler Construction of boilers. Pic.2a Construction of the boiler EKCO.T Pic.2b Construction of the boiler EKCO.TM Control panel PSK.P4 EKCO.T Pic.3a Front view of the control panel. Pic.3b Back view of the control panel.
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11. DHW tank connection Pic.11a Connection diagram for the DHW tank (EKCO.T) Pic.11b Connection diagram for the DHW tank (EKCO.TM) 12. Cascade connection. Pic.12 An exemplary diagram of the heating system. Boilers supply the heating circuits directly Pic.13 An exemplary diagram of the heating system. Boilers supply the hydraulic clutch.
3.1 Advanced settings PSK.P4 ECKO.T Advanced settings. For advanced settings switch the control panel to standby mode (press and hold button for 3 seconds) then press and hold button, and press shortly. To select parameter press buttons enable you to change the value: - working mode of pump –...
Return or supply temperature sensor. displayed replace the required sensor. blinking or the (Nominal resistance of the temperature sensor return or supply temperature Control panel failure Replace the control panel PSK.P4 Service manual EKCO.T/EKCO.TM...
Control panel PSK.M2 EKCO.TM Pic.4a Front view of the control panel 1. Display 2. Buttons Pic.4b Back view of the control panel. 3. ZIO-24 connection point 4. Cascade connection socket 5. ZIO-24 connection point 6. Supply temperature sensor connection point (left heating box) 7.
Some of the factory settings e.g. „3F_e”, after completing this function, may be not suitable for this particular version of the boiler or installation system. Please maintain cautious while using this function. When you save your changes, the controller will reset automatically. Service manual EKCO.T/EKCO.TM...
Failure modes of PSK.P4 control panel. "Faults” display view shows possible failures: ow failure, outdoor/room temperature sensor failure, inlet outlet boiler sensor failure. The controller enables failure detection and identi cation (short circuit or sensor disconnection/ missing). Tab.3 Failures Symptoms Reason Operation Check the mains and the main fuses.
ZIO-23 board EKCO.T Pic.5 Description of ZIO-23 board. Tzas – connection point of DHWT water electronic temperature sensor DS-1820 WZ – connection point of DHWT thermostat RP – room thermostat connection point (or jumper) NA - master appliance connection point (or jumper) ZTD –...
- second circuit pump operation indicator - control panel PSK.M2 connection point - 230 volt on U- connection indicator (ZTM three way mixing valve) - 230 volt on U+ connection indicator (ZTM three way mixing valve) - control panel PSK.M2 communication indicator Service manual EKCO.T/EKCO.TM...
11. DHW tank connection Pic.11a Connection diagram for the DHW tank (EKCO.T) Pic.11b Connection diagram for the DHW tank (EKCO.TM) Thermostat Thermostat Tpok Tzew Tco2 Tzas STATUS ZIO23 black black brown brown blue blue POMPA Service manual EKCO.T/EKCO.TM...
To set the EKCO.TM to work in cascade change the „Nr” parameter in the „Extended Menu” for a required number of slave boiler. To set the EKCO.T to work in cascade the „Extended Menu” settings have to be changed: a) set for „r1”...
To do this, please use PH2 screwdriver, press and turn the screw le , located in the middle of the front panel of the pump . e pump impeller should be unblocked then. Service manual EKCO.T/EKCO.TM...
14.1 Pump Wilo Yonos Para Pic.17. Settings via operating knob Variable di erential pressure e di erential-pressure setpoint H is increased linearly over the permitted volume ow range between ½H and H. e di erential pressure generated by the pump is adjusted to the corresponding di erential-pressure setpoint.
16. Technical data Tab.9 Technical data Max. pressure Min. pressure Outflowing water temp. °C 40 ÷ 85 Max. water temp. °C Overall dimensions 815 x 503 x 197 Weight Water connection G1" Safety class IP 21 Service manual EKCO.T/EKCO.TM...
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