Daikin Altherma 3 H MT W User Manual

13 | Maintenance and service
Installer reference guide
242
EPRA08~12EAV3+W1 + ETVH12SU18+23EA6V
Daikin Altherma 3 H MT F
4P644482-1 – 2021.03
13.4 To drain the domestic hot water tank
DANGER: RISK OF BURNING/SCALDING
The water in the tank can be very hot.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Close the cold water supply.
Prerequisite: Open all the hot water tapping points to allow air to enter the
system.
1 Remove the top panel. See "7.2.5To open the indoor unit"[469].
2 Remove the user interface panel. See "7.2.5To open the indoor unit"[469].
3 Lower the switchbox. See "7.2.6 To lower the switch box on the indoor
unit"[471].
4 Remove the tube from the temperature and pressure relief valve that is
located on top of the tank.
5 Remove the temperature and pressure relief valve from the tank.
6 Use a drain hose and a pump to drain the tank via the access point.
2
1
7 Tightening torques for installation:
Item Tightening torque
Tube connection 30N•m
Temperature and pressure relief valve 40N•m

Daikin Altherma 3 H MT W Specifications

General

Brand	Daikin
Model	Altherma 3 H MT W
Category	Heat Pump
Language	English