19
User level
NTH
low temperature set point for backup
heating:
The storage tank low temperature set-
ting that initiates backup heating refers
to the storage tank selected by parame-
ter setting
SNH
= n (n = 1 .. 3, level E3
– 1 / 7).
It is the temperature that initiates dual-
source backup heating with reference
to measurement TSPn (or TSRn if
TSPn is not connected).
Wird die minimale If the temperature
falls below the low temperature setting
during the time the backup heating
SPA1
YES/NO – setting:
Activate or temporarily deactivate stor-
age tank 1.
No 3
Deactivation occurs because the maxi-
mum storage tank heat transfer tempe-
rature is internally preset to 10°C. This
setting is not affected by the collector
safety function.
SPA1 = YES: storage tank 1 activated
SPA1 = NO: storage tank 1 deacti-
vated
default setting: SPA1 = YES
Parameter SPA1 is disabled for
system configurations 1 and 8.
function is enabled, backup heating is
activated until temperature TSPn (or
TSRn) >= NTH + NHD, or until the ena-
ble time has elapsed.
NTH setting range: 10 .. 90°C;
default setting: NTH = 40°C
The backup heating function is as-
signed to timer channel CH1. Backup
heating enable times are programmed
using CH1. If no times are set, backup
heating is always enabled.
(
NHD
adjustable at level E3 – 2 / 7)
SPA2
YES/NO – setting:
Activate or temporarily deactivate stor-
age tank 2.
No 4
Deactivation occurs because the maxi-
mum storage tank heat transfer tempe-
rature is internally preset to 10°C. This
setting is not affected by the collector
safety function.
SPA2 = YES: storage tank 2 activated
SPA2 = NO: storage tank 2 deactivated
default setting: SPA2 = YES
Parameter SPA2 is disabled for
system configurations 1 and 8.
SPA3
YES/NO – setting:
Activate or temporarily deactivate stor-
age tank 3.
No 5
Deactivation occurs because the maxi-
mum storage tank heat transfer tempe-
rature is internally preset to 10°C. This
setting is not affected by the collector
safety function.
SPA3 = YES: storage tank 3 activated
SPA3 = NO: storage tank 3 deacti-
vated
default setting: SPA3 = YES
Parameter SPA3 is disabled for
system configurations 1,2,3,4,8,9 and
11
Summary of Contents for LOGON SOL plus
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