5 | 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 230VAC 50W 970Ω 0.23A
E9H 230VAC 50W 970Ω 0.23A
E10H 230VAC 16.6W 3300Ω 0.07A
E11H 230VAC 33W 1600Ω 0.15A
E12H 230VAC 33W 1600Ω 0.15A