Operation Manual

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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products QAA75.. / QAA78… / AVS37.. 23. August 2007
Operating line User level Function Default value Min Max Unit
DHW
1610 E Nominal setpoint 55 Op. line 1612 Op. line 1614 OEM °C
1612 F
Reduced setpoint
40 8 Operating line 1610 °C
1620 I
Release
24h/day ¦ Time programs HCs ¦ Time program 4/DHW
Time programs HCs -
1630 I charging priority
Absolute ¦ Shifting ¦ None ¦ MC shifting, PC absolute
MC shifting, PC absolute -
1640 F Legionella function
Off ¦ Periodically ¦ Fixed weekday
Fixed weekday -
1641 F Legionella funct periodically 3 1 7 Days
1642 F Legionella funct weekday
Monday ¦ Tuesday ¦ Wednesday ¦ Thursday ¦ Friday ¦
Saturday ¦ Sunday
Monday
1644 F Legionella function time − − − − − − / 00:00 23:50 hh:mm
1645 F
Setpoint of legionella function
65 55 95 °C
1646 F Legionella function dwelling time 30 − − − / 10 360 min
1647 F Legionella funct circ pump
Off ¦ On
On -
1660 F Release of circulating pump
Time program 3/HCP ¦ DHW release ¦ Time program
4/DHW¦ Time program 5
DHW release -
1661 F Circulating pump cycling
Off ¦ On
On -
1663 F Circulation setpoint 45 8 80 °C
Pump Hx
2010 F H1 Excess heat draw
Off ¦ On
On
2012 F H1 with buffer storage tank
No ¦ Yes
Yes -
2014 F H1 prim contr/system pump
No ¦ Yes
Yes -
2015
4)
F
H1 Refrig demand
2-pipe system ¦ 4-pipe system
2-pipe system
2035 F H2 Excess heat draw
Off ¦ On
On
2037 F H2 with buffer storage tank
No ¦ Yes
Yes -
2039 F H2 prim contr/system pump
No ¦ Yes
Yes -
2040
4)
F
H2 Refrig demand
2-pipe system ¦ 4-pipe system
2-pipe system
2046
6)
F H3 Excess heat draw
Off ¦ On
On
2048
6)
F H3 with buffer
No ¦ Yes
Yes
2050
6)
F H2 prim contr/system pump
No ¦ Yes
Yes
Swimming pool
2055 F Setpoint solar heating 26 8 80 °C
2056 F Setpoint source heating 22 8 80 °C
2065 F Charging priority solar
No ¦ Yes
No