Daikin EBLA04E2V3, Installer'S Reference Manual

Page: 226 / 284

12 | Commissioning
Installer reference guide
226
EBLA04~E23V3 + EDLA04~E23V3
Daikin Altherma 3 M
4P685228-1A – 2022.05
Only for models with integrated backup heater (F1B: field supply), or if the external backup
heater kit (F1B: factory-mounted in the backup heater kit) is installed:
Backup heater circuit breaker F1B is turned ON.
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.
The automatic air purge valve is open.
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
volume and flow rate" in "8.1 Preparing water piping" [
4
71].
(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 "8.1 Preparing water piping" [
4
71].
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 10 l/min
Heating 6 l/min
BUH operation 12 l/min
Heating defrost 12 l/min
DHW 25 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. —