3 | Components
Service manual
88
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
a Water inlet
b Domestic hot water exit
c Space heating exit
INFORMATION
The configuration of the 3‑way valve done by the installer may differ from the
configuration shown in this procedure.
3 Use a contact thermometer to measure the temperature at the 3‑way valve
water inlet, the domestic hot water exit and the space heating exit.
Exit Temperature
Domestic hot water Same as the 3-way valve inlet
Space heating "Much" lower than the 3-way valve inlet
4 De-activate DHW operation and activate Space operation via the user
interface.
5 Use a contact thermometer to measure the temperature at the 3‑way valve
water inlet, the domestic hot water exit and the space heating exit.
Exit Temperature
Domestic hot water "Much" lower than the 3-way valve inlet
Space heating Same as the 3-way valve inlet
Both temperature checks performed
above are correct?
Action
Yes Component is OK. Return to the
troubleshooting of the specific error
and continue with the next step.
No Perform a position check of the 3-way
valve (manual procedure), see
"3.1.1Checking procedures"[486].
To perform a position check of the 3-way valve (manual procedure)
Prerequisite: First perform a position check (automatic procedure), see
"3.1.1Checking procedures"[486].
1 Manually put the 3‑way valve in the domestic hot water position by rotating
the 3‑way valve knob.