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Maintenance
Service manual
312
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Pipe
heater
Location
Type
PCB
Connector Intermediate
connector
Control
Energized when…
E6H
Plate type
heat
exchanger
Aluminium
foil heater
Hydro
(A1P)
X2A +
X28A
X7M: 7‑8
Own bimetal
thermostat
(primary) +
contact KCR on
PCB (secondary)
Thermostat:
ON: T <4°C
OFF: T >9°C
KCR contact:
ON: outdoor T <5°C and
inlet water T <6°C
OFF: outdoor T >10°C or
inlet water T >11°C
E9H
Expansion
vessel
Aluminium
foil heater
Hydro
(A1P)
X24A
X7M: 1‑2 +
X13Y: 1‑2
Own bimetal
thermostat
ON: T <4°C
OFF: T >9°C
E10H Expansion
vessel flex
Tape
heater
Hydro
(A1P)
X24A
X7M: 1‑2 +
X14Y: 1‑2
Own bimetal
thermostat
ON: T <4°C
OFF: T >9°C
E11H Water
inlet
Tape
heater
Hydro
(A1P)
X2A +
X28A
X7M: 3‑4
Contact KCR on
PCB
ON: outdoor T <5°C and
inlet water T <6°C
OFF: outdoor T >10°C or
inlet water T >11°C
E12H Water
outlet
after heat
exchanger
Tape
heater
Hydro
(A1P)
X2A +
X28A
X7M: 3‑4
Contact KCR on
PCB
ON: outdoor T <5°C and
inlet water T <6°C
OFF: outdoor T >10°C or
inlet water T >11°C
Pipe heater
Power supply
voltage
Power
Resistance
Current
E6H
230 V AC
50 W
970 Ω
0.23 A
E9H
230 V AC
50 W
970 Ω
0.23 A
E10H
230 V AC
16.6 W
3300 Ω
0.07 A
E11H
230 V AC
33 W
1600 Ω
0.15 A
E12H
230 V AC
33 W
1600 Ω
0.15 A
Summary of Contents for ALTHERMA
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