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12
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Commissioning
Installer reference guide
222
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06
Only for tanks with built-in booster heater:
Booster heater circuit breaker
F2B (field supply) is turned ON.
The correct pipe size is installed and the
pipes
are properly insulated.
There are no
water leaks
inside the outdoor unit.
The
shut-off valves
are properly installed and fully open.
For models with integrated backup heater: The
automatic air purge valve
(on the backup
heater) is open.
For other models: The
manual air purge valve
is closed.
The
pressure relief valve
purges water when opened. Clean water must come out.
The
minimum water volume
is guaranteed in all conditions. See "To check the water
(if applicable) The
domestic hot water tank
is filled completely.
12.4 Checklist during commissioning
The
minimum flow rate
is guaranteed in all conditions. See "To check the water volume
and flow rate" in
To perform an
air purge
.
To perform a
test run
.
To perform an
actuator test run
.
Underfloor screed dryout function
The underfloor screed dryout function is started (if necessary).
12.4.1 Minimum flow rate
Purpose
For a correct operating unit, it is important to check if the minimum flow rate is
reached. If needed, modify the bypass valve setting.
If operation is…
Then the minimum required flow rate
is…
Cooling
20 l/min
Heating/defrost when outdoor
temperature is above –5°C
Heating/defrost when outdoor
temperature is below –5°C
22 l/min
Domestic hot water production
28 l/min
To check the minimum flow rate
1
Check the hydraulic configuration to find out which space
heating loops can be closed by mechanical, electronic, or other
valves.
—
2
Close all space heating loops that can be closed.
—
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