ZIR00
CIRCULATION
MODE
Circulation
pump func-
tion
n 0: Off
n 1: Continuously ON and time
program
n 2: Temperature and time pro-
gram
n 3: Pulse switching and time
program
Adjuster KAS07 for definition in
the cascade, pump, centrally or
locally
0...3
-
0
05:006
SCH00
RETURN
FLOW
SWITCH
Option:
Return flow
switch
Function for layering the return
temperature in the buffer. This
setting activates the function
and the effective direction of the
changeover valve is reversed.
n -1: Relay closes when TPR is
hot (for tank at top)
n 0: Option OFF
n 1: Relay closes when TPR is
cold (for tanks at bottom)
-1...1
0
0
05:110
LEG00
THERMAL
DISINFEC-
TION
Thermal dis-
infection
function
The domestic hot water is heated
to the set legionella protection
temperature once as per the set-
ting. This temperature is main-
tained for the minimum hold time.
n 0: no function
n 1: Disinfection activated
n 2: Circulation support
In the cascade, depending on the
adjuster KAS07:
KAS07=0: Thermal disinfection to
be defined locally at each station
and carried out.
KAS07=1: Thermal disinfection to
be defined centrally at each sta-
tion at which the circulation
pump is installed. Thermal disin-
fection is carried out centrally for
all stations.
0...2
-
0
05:014
NAC00
RECHARGING
PRIMARY
Option:
Thermal
recharging
requirement
Recharging requirement for
recharging/charging the primary
energy tank.
on/off
0
08:110
WHF00
WARM
HOLDING
FUNCTION
Option:
Standby/
warm holding
function
The standby/warm holding func-
tion keeps the heat exchanger at
a standby temperature in order to
ensure rapid domestic hot water
preparation.
on/off
25
05:113
28
03/2024 Item no. 215790 EA no. 1321