Siemens RVL481 Basic Documentation page 7

Siemens
Building Technologies
16.1 Operating lines .............................................................................................. 62
16.2 Assignment of d.h.w. heating ........................................................................ 62
16.3 Program for the circulating pump .................................................................. 62
16.3.1 General mode of operation............................................................................ 62
16.3.2 Operation of circulating pump during the holiday period ............................... 63
16.4 Frost protection for d.h.w............................................................................... 64
16.4.1 Frost protection in the d.h.w. storage tank .................................................... 64
16.4.2 Frost protection in the d.h.w. storage tank flow ............................................. 64
16.4.3 Frost protection for the secondary d.h.w. flow............................................... 64
17 Function block "Release of d.h.w. heating".............................................. 65
17.1 Operating line ................................................................................................ 65
17.2 Release ......................................................................................................... 65
17.2.1 Function......................................................................................................... 65
17.2.2 Release programs ......................................................................................... 66
17.2.3 D.h.w heating during the holiday period ........................................................ 66
18 Function block "D.h.w. priority and flow temperature setpoint" ............ 67
18.1 Operating line ................................................................................................ 67
18.2 Settings.......................................................................................................... 67
18.3 D.h.w. priority................................................................................................. 67
18.3.1 Absolute priority............................................................................................. 67
18.3.2 Shifting priority............................................................................................... 68
18.3.3 No priority ...................................................................................................... 68
18.4 Flow temperature setpoint ............................................................................. 68
18.4.1 Flow setpoint according to maximum selection ............................................. 68
18.4.2 Flow setpoint according to d.h.w. .................................................................. 68
19 Function block "D.h.w. storage tank"........................................................ 70
19.1 Operating lines .............................................................................................. 70
19.2 D.h.w. charging.............................................................................................. 70
19.2.1 D.h.w. charging with hot water ...................................................................... 70
19.2.2 Alternate d.h.w. charging with hot water and electricity................................. 70
19.3 D.h.w. temperature and d.h.w. switching differential ..................................... 71
19.4 Boost of the d.h.w. charging temperature...................................................... 72
19.5 Maximum d.h.w. charging time...................................................................... 72
19.6 Setpoint of legionella function........................................................................ 72
19.7 Forced charging............................................................................................. 73
19.8 Protection against discharging ...................................................................... 73
19.8.1 Purpose ......................................................................................................... 73
19.8.2 Mode of operation.......................................................................................... 73
19.9 Manual d.h.w. charging ................................................................................. 74
20 Function block "3-position actuator for d.h.w." ....................................... 75
Heating and D.h.w. Controller RVL481
Contents
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CE1P2541en
20.05.2008