Siemens RVS41.813 User Manual page 146

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Siemens Switzerland Ltd
HVAC Products
The following values are displayed per entry:
- Fixed day (storage date))
- Yearly performance factor
- Supplied heat for heating
- Supplied heat for DHW
- Employed energy for heating
- Employed energy for DHW
Displayed are the supplied and used energy values over the course of a year (or
between two fixed day entries).
The fix day storage can be deleted as a whole (all entries) via parameter 3190.
Fixed day yearly performance factor
Line no. Operating line
3119 Fixed day yearly performance factor
The parameter Fixed day yearly perf fact sets the fixed day (day / month).
An entry is generated in the storage at mid-night of the entered, fixed day. The process
is repeated annually. The fixed day cannot be deactivated.
Counter values
The counter values displayed in the fixed day storage are the energy values recorded
over the time period between the two fixed day entries which are used to calculate the
associated yearly performance factor.
Supplied and employed energy for heating and DHW is displayed separately.
Up to 10 entries (10 years) can be stored in the fixed day storage. The first entry (Index
1) is always the latest and drops the older entries in the index by one position. The
counter value "---" is displayed if the storage entry is empty.
Overview of the corresponding operating lines:
Fixed
Fixed day &
yearly perf
day
factor
storage
1. Year
3120
2. Year
3127
3. Year
3134
4. Year
3141
5. Year
3148
6. Year
3155
7. Year
3162
8. Year
3169
9. Year
3176
10. Year
3183
Yearly performance factor
based on the following definitions:
The yearly performance factor is a quotient from supplied energy (E
energy (E ) over a period of one year. The gain consists for the energy derived from
ein
the environment (E ).
um
User manual RVS61.843, RVS41.813
6 The settings in detail
Delivered Delivered
heat for heat for
heating DHW
3121 3122
3128 3129
3135 3136
3142 3143
3149 3150
3156 3157
3163 3164
3170 3171
3177 3178
3184 3185
The performance factor and yearly performance factor are
Employed Employed
energy energy
heating DHW 1
3124 3125
3130 3131
3137 3138
3144 3145
3151 3152
3158 3159
3165 3166
3172 3173
3179 3180
3186 3187
) and employed
ab
CE1U2355en_02
28. September 2009