Service Manual
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Contents
1. Front view
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Pic.1a EKCO.L1 z, EKCO.L1 p, EKCO36.L1
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Pic.1b EKCO.L1N z, EKCO.L1N p, EKCO36.L1N
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2. Front panel handling
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Pic.2 Control panel PSK.P4
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3. Connecting (interconnect) board ZIO-21
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Pic.3 ZIO-21 (interconnect) connecting board
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4. Failures
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Table of faults for EKCO.L1 (PSK.P4)
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5. Boiler construction
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Pic.4a Boiler EKCO.L1 z, EKCO.L1 p, EKCO36.L1
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Pic.4b Boiler EKCO.L1N z, EKCO.L1N p, EKCO36.L1N 9
6. Heating box
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Pic.5 Heating box
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7. Power board
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Pic.6 Power board
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8. DHWT connection chart
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Pic.7 Example of three way valve connection
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9. Cascade unit for a heating system with two or more heating boilers
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Pic.8 Cascade heating system for direct supply
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Pic.9 Cascade heating system for the separating system with the hydraulic clutch
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Pic.10 PSK.M2 (master) and PSK.P4 (slave) connecting diagram
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10. Wiring system
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Pic.11 Ver. I EKCO.L1 12kW, 15kW, 18kW, 21kW, 24kW. 30kW, 36kW / 400V
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Pic.12 Ver.II EKCO.L1 4kW, 8kW, 6kW / 400V
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Pic.13 Ver.III EKCO.L1 4kW, 8kW, 6kW / 230V
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11. Simplified schema of internal connections
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Pic.14 Simplified schema of internal connections
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11. Boiler component parts list
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12. Technical data
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