Daikin EBLA14DAV3 - Page 125

3 | Components
Service manual
125
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
a b
a Backup heater thermal protector sensor
b Backup heater
2 Remove the backup heater thermal protector sensor from the backup heater.
3 Submerge the backup heater thermal protector sensor in water.
DANGER: RISK OF BURNING/SCALDING
4 Heat the water above 90°C.
5 Measure the temperature of the water. The backup heater thermal protector
MUST trip at a temperature of approximately 90°C.
Does the backup heater thermal
protector trip at the correct
temperature?
Action
Yes Perform an electrical check of the
backup heater thermal protector, see
"Checking procedures"[4124]
No Replace the backup heater thermal
protector, see "Repair
procedures"[4126].
To perform an electrical check of the backup heater thermal protector
Prerequisite: First perform a mechanical check of the backup heater thermal
protector, see "Checking procedures"[4124].
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the 2 screws from the backup heater thermal protector bracket.