Siemens RVA47.320 - OEM Configuration Settings; Boiler Temperature Limitations and Control

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Description of the OEM settings 15.07.2002
5 Description of the OEM settings
Heat generation values
5.1 Minimum limitation of the boiler
temperature setpoint OEM (TKmin
OEM
)
• Minimum limitation of the boiler temperature setpoint
This function provides minimum limitation of the boiler temperature setpoint.
1. Press the line selection buttons to select operating line 1OEM.
2. Press the + / - buttons to set the minimum limitation of the boiler temperature.
Setting range Unit Factory setting
8...95 °C 8
The setting ensures minimum limitation of the boiler temperature setpoint which can be
adjusted on line 90 (TKmin).
5.2 Maximum limitation of the boiler
temperature setpoint
• Maximum limitation of the boiler temperature setpoint.
• Preset temperature for manual operation.
Maximum limitation of the boiler temperature setpoint and delivery of the flow
temperature setpoint for the cascade in manual operation.
1. Press the line selection buttons to select line 2OEM.
2. Press the + / - buttons to set the maximum limitation of the boiler temperature
setpoint.
Setting range Unit Factory setting
8...120 °C 80
This setting provides maximum limitation of the boiler and cascade flow temperature
setpoint. The boilers controlled by the BMUs are operated at a temperature no higher
than the adjusted temperature, even if the consumers call for more heat.
In manual operation, the value set is used directly as the flow temperature setpoint.
The boilers controlled by the BMUs are operated at this temperature.
Benefit
Description
Setting
Effect
Benefit
Description
Setting
Effect