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Värmebaronen EP 350
Contents
Notes ...................................................................................3
Safety and handling ...........................................................4
Operation ............................................................................5
The menu, the standard ....................................................6
Menus - outdoor temperature compensation..................7
Operation and maintenance ..............................................8
Control panel
Operation and maintenance ..............................................9
Start - first operation
Operating menu, Adjustment menu .................................10
Adjustment menu - outdoor temperature compensation ......... 11
Installation menu ...............................................................12
Information menu ..............................................................14
General menu .....................................................................15
Operation and maintenance ..............................................16
Restart after power cut
Power connection
Delayed power connection
Quick increase/reduction
Load guard
PEC function
Safety valves
Over temperature protection
Maintenance
Draining
Action in the event of a risk of freezing - frost protection
Venting - water pressure
Thermostats, STB - Checking the thermostat
Pressures guard(s) - option
Low pressure guard
Adjustment
Alarm - warning - information ..........................................19
Alarm - load-break switches and safety guards .............20
Load-break switch
Thermostats, STB
Pressure guards - reset
General ................................................................................22
Water quality
Water quality - in respect of suitable tap water
Flow requirements
Pipe installation .................................................................23
Expansion system - Safety pipe
Open system
Closed system, > 300 kW (max. 1 MW) < 105ºC
Control circuit.....................................................................24
Electrical installation .........................................................26
Power limiting
Power supply
Power supply to external unit
Circulation pump
External alarm indication
Electrical installation .........................................................27
Safety equipment
Load guard
External blocking
External stage control — 0-10 V, 0-5 V or 4-20 mA
External setpoint — 0-10 V, 0-5 V or 4-20 mA
0-10 V output signal of connected power
0-10 V output signal of boiler temperature
Outdoor temperature sensor - boiler with UTK
Alternative heating - boiler with UTK
Electric circuit ....................................................................29
Technical data ....................................................................30
Troubleshooting .................................................................34
Resistance tables for temperature sensors
Components .......................................................................35
Option