Daikin EKHVMYD50ABV1 [54/64] Aintenance and service

Daikin EKHVMYD50ABV1 [54/64] Aintenance and service
Installation manual
52
EKHVMRD50+80ABV1 + EKHVMYD50+80ABV1
Daikin Altherma indoor unit
4P404420-1 2015.04
7 Check the leaving water and entering water temperature through
the remote controller read-out mode and compare them with the
values noted with step 1. After 20 minutes of operation an
increase/decrease of the values should conrm the space
heating/cooling operation.
Procedure for domestic water heating
1 Check the domestic hot water tank temperature through the
remote controller read-out mode. See "Temperature read-out
mode" on page 51.
2 Push the button for 5 seconds.
The icon will start blinking with 1 second intervals.
3 Keep the unit operating for 20 minutes and check the domestic
hot water tank temperature through the remote controller again.
An increase of the value with 5°C should conrm the domestic
water heating operation.
4 The operation will stop if the tank storage temperature has been
reached.
11. MAINTENANCE AND SERVICE
In order to ensure optimal availability of the unit, a number of checks
and inspections on the unit and the eld wiring have to be carried out
at regular intervals.
This maintenance should be carried out by your local installer.
To execute the maintenance
activities as mentioned below, it is
only required to remove the front
decoration panel.
To take away the front decoration
panel, remove the 2 bottom screws
and then unhitch the panel.
11.1. Maintenance activities
NOTE
To display the last resolved error code, push the
button 1 time. Push the button again 4 times to
return to normal mode.
NOTE
It is not possible to perform a test run if a forced
operation from the outdoor unit is in progress. Should
forced operation be started during a test run, the test
run will be aborted.
2x
DANGER: ELECTRICAL SHOCK
See "2. General safety precautions" on page 2.
WARNING: ELECTRIC SHOCK
Before carrying out any maintenance or repair activity,
always switch off the circuit breaker on the supply
panel, remove the fuses or open the protection
devices of the unit.
Make sure that before starting any maintenance or
repair activity, also the power supply to the outdoor
unit is switched off.
Before carrying out any maintenance or repair activity,
always switch off the multi tenant power supply.
Do not touch live parts for 10 minutes after the power
supply is turned off because of high voltage risk.
Additionally, measure the points as shown in the
gure below with a tester and conrm that the voltage
of the capacitor in the main circuit is no more than
50 V DC.
Please note that some sections of the electric
component box are hot.
Make sure you do not touch a conductive section.
Do not rinse the indoor unit. This may cause electric
shocks or re.
Play it safe!
Touch a metal part by hand (such as the stop valve) in
order to eliminate static electricity and to protect the PCB
before performing service.
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