Daikin Altherma EKHBH Series Service Manual page 37

ESIE06-03
5.4 EKSWW***V3/Z2
The illustration below shows the switch box layout:
Item
X1M
Q2L
E4H
(1) Remark: Internal connection of Booster heater 3 kW 400 V is slightly different.
Part 1 – System Outline
Description
Terminal strip nr 1-2: power supply booster heater
Thermal protector booster heater: connection nr 3-4
Booster heater 3 kW 230 V (1)
Switch Box Layout
1
3
4
5
1–37