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Components
Service manual
126
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
INFORMATION
See the
281] for more detailed information.
Is the measured backup heater
resistance correct?
Action
Yes
heater and continue with the next
procedure.
No
Replace the backup heater, see
To perform an insulation check of the backup heater
Prerequisite:
First perform a resistance check of the backup heater, see
1
Open all circuit breakers.
CAUTION
To prevent damage to the unit, all circuit breakers MUST be opened before using a
Megger.
2
Set the Megger voltage to 500 V AC.
3
Connect the Megger ground test lead directly to the backup heater ground
wire.
CAUTION
Do NOT connect the Megger ground test lead to any other ground wire.
4
Measure the insulation resistance between the following terminals. The
measured insulation resistance MUST be >3 MΩ.
▪
K1M1‑ground
▪
K1M3‑ground
▪
K1M5‑ground
▪
K2M1‑ground
▪
K2M3‑ground
▪
K2M5‑ground
Is the measured backup heater
insulation resistance correct?
Action
Yes
heater and continue with the next
procedure.
No
Replace the backup heater, see
To perform an electrical check of the backup heater
Prerequisite:
First perform an insulation check of the backup heater, see
Prerequisite:
Check the circuit breaker. Reset if it has tripped.
draft – 31/05/2022 15:53
Содержание EBLA04E V Series
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