Parameter List

Table 21.   Parameter List

Description

Range

Default

Units

CFG-01: system configuration

1…3

3

-

UWT-01: P-band buffer temperature control

1...20

5

K

LWT-02: D-time buffer temperature control

0...1000

0

sec

SST-01: temp. difference primary/ secondary system

0...60

10

K

SST-02: time to reach SST setpoint; 0 = disable

0…3600

1800

sec

SST-03: heat demand setpoint shift

0...90

20

K

PRP-01: start-up delay primary pump/ secondary pump

0...600

120

sec

PRP-02: switch off delay primary pump

0...600

0

sec

SEP-02: circulation pump switch off delay

0…3600

900

sec

SEP-03: run circulation pump during occupied periods and extended operation

0/ 1

1

-

SEP-04: circulation pump during overheat protection

0; 1 = disable

2 = enabled if “MaxThermostat” = 1

3 = enabled if “OverheatProt” = 1

4 = enabled if “MaxThermostat” = 1 or if “OverheatProt” = 1

0...4

0

-

LEG-01: anti-legionella setpoint

0...90

70

°C

LEG-02  time to reach legionella setpoint; 0 =disable

0...3600

1800

sec

LEG-03: legionella duration

0...3600

600

sec

DEX-01: DHW setpoint extended operation

0...80

60

°C

DEX-02: auto reset time from extended operation

0...480

60

min

SYS-01: occupied/ un-occupied changeover; 0 = disable

0...50

40

°C

SYS-02: setpoint increase at OverheatProt; 0 = disable

0...30

10

K

SYS-03: setpoint decrease/ minute after a Heat_Override

1…100

5

K

SYS-04: temperature drop for priority request; 0 = disable

0…30

20

K

SYS-05: heat demand transmission

0 = no transmission

1 = transmission during charging only

2 = always during occupied periods, extended operation and legionella function

0..2

2

-

SYS-06: automatic/ manual reset

0/ 1

1

-

DISP-01: calculated DHWS temperature setpoint – see outputs

-

-

°C

DISP-02: operation mode

-

-

-

Table 22.   Domestic Hot Water Configurations

Configuration Parameter

DHWS Equipment Configuration

CFG-01

Control

Valve

Primary Pump

Sensors

1

continuous

3-way

yes

mandatory

upper sensor

optional

lower sensor,

system supply sensor

2

on-off

3-way*

3

2-way* and no valve

*in configurations 2 and 3 the valve switches between 0 and 100%. You can connect a digital output and ignore the warning.