Siemens Albatros2 AVS37 User Manual Page 124

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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products Configuration 23. August 2007
Error / alarm message
Input H1 generates a controller-internal error message.
If the “Alarm output” (relay outputs QX2-4, operating lines 5891 – 5894) is appropriately
configured, the error message will be forwarded or displayed by an additional contact
(e.g. an external lamp or horn).
Minimum flow temperature setpoint TVHw
The adjusted minimum flow temperature setpoint will be activated via terminals H1/2
(e.g. an air heater function for a warm air curtain) closes its contact.
The setpoint must be set via operating line 5952.
Excess heat discharge
Active dissipation of excessive heat enables an external heat source to force
consumers (heating circuit, DHW storage tank, Hx pump) to draw excessive heat by
delivering a forced signal.
The parameter “Excessive heat draw“ can be used to determine for every consumer
whether or not it should take account of the "forced" signal, and hence whether or not
that consumer should participate in the dissipation of heat.
Local effect
When using LPB device address 0 or >1, excessive heat dissipation only acts on the
local consumers connected to the controller.
Central effect (LPB)
When using LPB device address = 1, excessive heat dissipation also acts on the
consumers connected to the other controllers in the same segment.
The distribution of excessive heat from segment 0 across other segments of the system
is not possible.
Release swimming pool
This function can be used to enable direct heating of the swimming pool with the
boiler and H… pump externally (e.g. with a manual switch)
For direct charging, a release signal is always required at the H.. input.
Configuration: Set the function of input H.. to "Release swimming pool" and select the
associated H.. pump at a QX output.
The function can be used to enable solar heating of the swimming pool externally
(e.g. with a manual switch) or to define solar charging priority over storage.
Configuration: Set the function of input H.. to "Release swimming pool". Refer to
operating line 2065 "Charging priority solar" for a description of the function.
Function of
input H...
(5950, 6046,
5960)
Function of
output QX..
Status of
H..
Release status of generator
-
x
x No direct heating
Sw. pool "Not"
H.. pump
x
No direct heating (H.. acts on
solar function)
Sw. pool H.. pump Inactive Released
Sw. pool H.. pump
Active Released
- = "Release swimming pool" not set
x = Not relevant
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