Download REMEHA 24v Technical data

8. Electrical installation
8.1 General
8.2 Electrical supply
8.3 Connection to the control system
8.3.1 Modulating control
8.3.2 Room thermostat 24V
8.3.3 Room thermostat in combination
with an outdoor temperature sensor
8.3.4 Two-stage external weather
compensator
8.3.5 D.H.W. control
8.3.6 Frost protection
8.3.7 Signals
8.4 Water temperature control
8.5 Low-water protection
8.6 High limit temperature protection
8.7 Differential air pressure switch (LD2)
8.8 Control box
8.9 Fuse specification
8.10 Electrical wiring diagram
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9. Installation instructions for the gas Installer
9.1 Gas connection
9.2 Gas pressures
9.3 Gas/air ratio control
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10. Commissioning
10.1 Initial lighting
10.2 Shut-down
10.3 Settings
10.3.1 General
10.3.2 Setting the required flow
temperature
10.3.3 Setting the required flow
temperature when using an
outdoor sensor
10.3.4 Changing the cut-in temperature
differential
10.3.5 Setting the pump control
10.3.6 Setting the burner control
10.3.7 Setting D.H.W. temperature
10.3.8 Switching D.H.W. operation
on and off
10.3.9 Changing D.H.W. operating cut-in
differential (service level)
10.3.10 Changing maximum flow
temperature during D.H.W.
operation
10.3.11 Changing three-way valve/boiler
pump setting
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11. Fault-finding
11.1 General
11.2 Faults in appliances in combination with
the rematic® weather-compensated
boiler control
11.3 Faults in appliances without a modulating
rematic® weather-compensated
boiler control
11.4 Fault codes
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12. Inspection and servicing instructions
12.1 General
12.2 Inspection
12.3 Maintenance
12.4 Draining and filling
12.5 Venting
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