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
40 | Display
7Display
7.1 Fault display
Installation, maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes
and their remedies.
Display Description Solution
E01 Fault in the top storage tank temperature sensor Notify authorised contractor
E02 Fault in the bottom storage tank temperature sensor Notify authorised contractor
E03 Fault in the temperature sensor at the air inlet Notify authorised contractor
E05 Not used Notify authorised contractor
E06 Hold down setting keys longer than 30 seconds Release keys
E07 Not used Notify authorised contractor
E08 Not used Notify authorised contractor
E09 Incorrect system purging
Water shortage during off-peak
Water shortage for long period (> 12h)
Notify authorised contractor
Reset the system
E10 Heating element faulty
Fault in the high limit safety cut-out
Adjusted temperature in the thermostat below the set
point temperature in the tank
Notify authorised contractor
E11 Fault in the fan
High pressure loss in the air ducts
Leak in refrigerant circuit
Fault in the compressor
Fault in the expansion valve
Fault in the dry filter
Start up after a long standby period at very low
temperatures
Reset the system and notify authorised contractor
Table 6 Fault codes










