3 | Components
Service manual
115
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
5 Activate backup heater: step 2.
6 Check the status in the Actuators menu of the user interface. This MUST be:
▪ Backup heater: step 1 = ON
And/Or
▪ Backup heater: step 2 = ON
7 Check if the field installed circuit breaker has tripped.
8 Check if the fuse of the backup heater has tripped.
Did the fuse or the field supplied circuit
breaker of the backup heater trip?
Action
Yes Replace the backup heater, see "Repair
procedures"[4117].
No Return to "Checking
procedures"[4112] of the backup
heater and continue with the next
procedure.
To perform a check of the backup heater contactors
1 First perform an electrical check of the backup heater, see "Checking
procedures"[4112].
a Backup heater contactor
For backup heater option with 1~, 230V, 3kW or 6kW backup heater:
▪ K5M: 2‑6, 4‑6, 2‑14
All measured voltages MUST be 230VAC ± 10%.
For backup heater option with 3~, 400V, 6kW or 9kW backup heater:
▪ K5M: 2‑4, 4‑6, 2‑6
All measured voltages MUST be 400VAC ± 10%.
▪ K5M: 2‑14
The measured voltage MUST be 230VAC ± 10%.