Siemens CE1U2353en01a user manual Pump H1/H2, Primary controller / system pump

Example:

0 5 6 12 16 17

Time program 4 / DHW

2377Z16

24h

For DHW heating, time switch program 4 of the local controller is used. The set switching times of that program are used to switch between the nominal DHW setpoint and the reduced DHW setpoint. This way, the DHW is heated independently of the heating circuits.

Example:

										2373Z24
			0		6		12	18	24 h
	2.4			Pump H1/H2
pump H1
		Line no.			Operating line
		H1		H2
	2008		2033		H1/H2 DHW charging priority
					Off ¦	On
H1/H2 DHW charging	When using this setting, the connected pump H1/H2 can be excluded from / included in
priority	the effect of DHW charging priority.
	In the case of a ventilation system, for example, it is thus possible to ensure a constant
	supply of heat with no impact from DHW charging priority.

2.5 Primary controller / system pump

flow temperature setpoint limitations

Line no.	Operating line
2110	Flow temp setpoint min
2111	Flow temp setpoint max

Using this limitation, a temperature range for the flow temperature setpoint can be defined. If the requested flow temperature setpoint reaches the relevant limit and the heat request increases or decreases, the flow temperature setpoint will be maintained at the maximum or minimum limit.

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Siemens Schweiz AG	User Manual OEM	CE1U2353en01a
HVAC Products	The settings in detail	22. November 2006