Underfloor Heating Screed Dryout - Daikin Altherma 3 R F Installer's Reference Manual

Possible actuator test runs

9.4.5 Underfloor heating screed dryout

ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA/DJ3V+6V+9W7
Daikin Altherma 3 R F
4P618947-1 – 2020.03
▪ Backup heater 1 test
▪ Backup heater 2 test
▪ Pump test
INFORMATION
Make sure that all air is purged before executing the test run. Also avoid disturbances
in the water circuit during the test run.
▪ Shut off valve test
▪ Diverter valve test (3-way valve for switching between space heating and
tank heating)
▪ Bivalent signal test
▪ Alarm output test
▪ C/H signal test
▪ DHW pump test
The underfloor heating (UFH) screed dryout function is used for drying out the
screed of an underfloor heating system during the construction of the building.
Conditions: Make sure all operation is disabled. Go to [C]: Operation and turn off
Room, Space heating/cooling and Tank operation.
The UFH screed dryout function can be executed without finishing the outdoor
installation. In this case, the backup heater will perform the screed dryout and
supply the leaving water without heat pump operation.
If the outdoor unit is not yet installed, connect the main power supply cable to the
indoor unit via X2M/30 and X2M/31. See
4
supply" [ 97].
INFORMATION
▪
If Emergency is set to Manual ([9.5]=0), and the unit is triggered to start
emergency operation, the user interface will ask confirmation before starting.
The underfloor heating screed dryout function is active even if the user does NOT
confirm emergency operation.
▪
During underfloor heating screed dryout, pump speed limitation [9‑0D] is NOT
applicable.
NOTICE
The installer is responsible for:
▪
contacting the screed manufacturer for the maximum allowed water
temperature, to avoid cracking the screed,
▪
programming the underfloor heating screed dryout schedule according to the
initial heating instructions of the screed manufacturer,
▪
checking the proper functioning of the setup on a regular basis,
▪
performing the correct program complying with the type of the used screed.
9 Commissioning
|
"7.9.8 To connect the main power
Installer reference guide
185