Booster Heater Thermal Protector; Checking Procedures; Repair Procedures; Compressor - Daikin Altherma EBLQ011CAV3 Service Manual

2 Components
2.7

Booster heater thermal protector

2.7.1

Checking procedures

INFORMATION
It is recommended to perform the checks in the listed
order.
To perform a mechanical check of the booster
heater thermal protector
1 For the correct procedure, see the installation manual of the
water tank.
Does the booster heater
thermal protector trip at
approximately 92°C?
Yes
No
To perform an electrical check of the booster
heater thermal protector
1 For the correct procedure, see the installation manual of the
water tank.
All measured circuit breakers
are closed?
Yes
No
2.7.2

Repair procedures

To remove the booster heater thermal protector
1 For the correct procedure, see the installation manual of the
water tank.
2 To install the booster
"2.7.2 Repair procedures" on
To install the booster heater thermal protector
1 For the correct procedure, see the installation manual of the
water tank.
Is the problem solved?
Yes
No
Service manual
50
Action
Perform an electrical check of the
booster heater thermal protector,
see "2.7.1 Checking
procedures" on page 50.
Replace the booster heater
thermal protector, see
"2.7.2 Repair procedures" on
page 50.
Action
Booster heater thermal protector
is OK. Return to the
troubleshooting of the specific
error and continue with the next
procedure.
Replace the booster heater
thermal protector, see
"2.7.2 Repair procedures" on
page 50.
heater thermal protector, see
page 50.
Action
No further actions required.
Return to the troubleshooting of
the specific error and continue
with the next procedure.
2.8

Compressor

2.8.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed
order.
To perform a mechanical check of the compressor
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
work" on page 77.
1 Open the compressor insulation.
2 Check the compressor dampers and piping for any damage.
a
a Damper
INFORMATION
The compressor dampers may look different.
Compressor dampers and
piping are in a good
condition?
Yes
No
To perform an electrical check of the compressor
1 First perform a mechanical check of the compressor, see
"2.8.1 Checking procedures" on
2 Open the compressor insulation.
WARNING
The smoothing capacitor MUST discharge below 10 V DC
before disconnecting the Faston connectors from the
compressor wiring terminals. Risk of electrocution.
3 Remove the cover of the compressor wire terminals.
a Compressor wire terminals cover
4 Disconnect the Faston connectors from the compressor wire
terminals U, V and W.
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
"2.19 Plate
a
Action
Perform an electrical check of the
compressor, see "2.8.1 Checking
procedures" on page 50.
Replace the compressor, see
"2.8.2 Repair procedures" on
page 51.
page 50.
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02