User manual
Table Of Contents
- Index
- 1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety information
- 2 Standard delivery
- 3 Appliance details
- 4 Installation instructions
- 4.1 Tools required
- 4.2 Location requirements
- 4.3 Secure the appliance
- 4.4 Water piping
- 4.4.1 Inlet - Outlet connections
- 4.4.2 Dielectric joint (not supplied with the appliance)
- 4.4.3 Condensate Drain Tubes (not supplied with the appliance)
- 4.4.4 TPR Valve (supplied with the appliance)
- 4.4.5 Thermal expansion tank (not supplied with the appliance)
- 4.4.6 Temperature mixing device (not supplied with the appliance)
- 4.4.7 Pressure limiting valve (not supplied with the appliance)
- 4.4.8 Expansion control valve (not supplied with the appliance)
- 4.5 Electric requirements
- 4.6 Installation configurations
- 4.7 Insulation blanket
- 4.8 Fill the water storage tank
- 4.9 Installation checklist
- 4.10 What to expect for “normal startup”
- 4.11 Off-peak compatibility
- 5 Operation Instructions
- 5.1 Safety warnings
- 5.2 Working display
- 5.3 Working modes
- 5.4 „Operating“ menu
- 5.5 Temperature set point
- 5.6 „Main“ menu
- Accessing the „Main“ menu
- 5.6.1 „Mode“ function - heating modes
- 5.6.2 „Prog“ function - Timetable operation programming
- 5.6.3 Silent Mode programming - „Sil“ function
- 5.6.4 „Leg“ function - automatic thermal disinfection
- 5.6.5 „Set“ function - adjustments
- 5.6.6 „Purg“ function - purge
- 5.6.7 „Info“ function - information
- 5.7 Troubleshooting
- 5.8 Factory configurations
- 5.9 Selecting the temperature units - „C“ or „F“
- 5.10 Setting the time and day of the week
- 5.11 Controls
- 6 Maintenance and repair
- 6.1 Periodic Inspection
- 6.2 Temperature and pressure relief valve (PTR Valve)
- 6.3 Flushing tank
- 6.4 Draining the Water Heater
- 6.5 Vacation and Extended Shutdown
- 6.6 Clearing the Condensation Drain Tubes
- 6.7 Refrigerant circuit
- 6.8 Anode Rod servicing
- 6.9 Checking/replacing the magnesium anode
- 6.10 Service menu
- 7 Display
- 8 Electrical diagram
- 9 Environmental protection
- 10 Warranty details

6 720 801 244 (2013/08)Compress 3000 DW FO
Operation Instructions | 31
Manual activation of the „Leg“ function
▶ Access the „Leg“ function and press „ok“.
Display with blinking indication „ “ active.
▶Press „ok“.
„Leg“ function activated.
Upon reaching a temperature of 60 °C for more than 35
minutes, the device returns to the previously selected mode.
5.6.5 „Set“ function - adjustments
The „Set“ function permits adjustment of the following values:
• Degrees Celsius or degrees Fahrenheit ( Section 5.9)
• Time and day of the week (Section 5.10)
Fig. 34 „Set“ function
5.6.6 „Purg“ function - purge
„Purg“ function is an auxiliary for the system purging process.
Fig. 35 „Purg“ function
To activate „Purg“ function
▶ Access „Purg“ function and press „OK“.Circulation pump
will start functioning and the timetable is displayed below
"Purg". After 5 minutes the appliance returns to the
operating mode previously selected.
5.6.7 „Info“ function - information
The „Info“ function permits display of the cumulative
consumption over the past 30 days.
Fig. 36 „Info“ function
Displaying the consumption
▶ Access the „Info“ function and press „ok“.
Displays cumulative consumption (in kWh).
„reset“ consumption
Display cumulative consumption.
Thermal disinfection requires about 6 to 7
hours additional time after normal heating
up. During most of this additional period the
disinfection is ensured by the electrical
element.
Therefore, it is recommended to be done
during a period of low energy tariffs
combined with low hot water demand to do
not compromise the energy savings.
6720646160-18.1V
6720801967-02.1V
6720646160-36.1V










