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.
Line no. Operating line
3119 Fixed day yearly performance factor
Fix
ed day yearly performance facto
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 value
s
The counter values displaye
d 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
day
storage
Fixed day &
yearly perf
factor
Delivered
heat for
heating
Delivered
heat for
DHW
Employed
energy
heating
Employed
energy
DHW 1
1. Year
3120 3121 3122 3124 3125
2. Year
3127 3128 3129 3130 3131
3. Year
3134 3135 3136 3137 3138
4. Year
3141 3142 3143 3144 3145
5. Year
3148 3149 3150 3151 3152
6. Year
3155 3156 3157 3158 3159
7. Year
3162 3163 3164 3165 3166
8. Year
3169 3170 3171 3172 3173
9. Year
3176 3177 3178 3179 3180
10. Year
3183 3184 3185 3186 3187
The performance factor and yearly performance factor are
based on the following definitions:
Yearly performance factor
The yearly performance factor is a quotient from supplied energy (E
ab
) and employed
energy (E
ein
) over a period of one year. The gain consists for the energy derived from
the environment (E
um
).
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Siemens Switzerland Ltd User manual RVS61.843, RVS41.813 CE1U2355en_02
HVAC Products 6 The settings in detail 28. September 2009
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