Technical data

ManualsBrandsWork Pro ManualsAmplifierZENITH 600

CTC EcoZenith i550 Pro

For the property owner

9.5.2.5 Lower tank

In the “lower tank” menu you make settings which affect

the operation of the lower part of the tank.

Tank max. °C 55 (20 to 70)

This menu is used to set the highest temperature

required for the lower tank.

Tank min. °C 25 (20 to 60)

This menu is used to set the lowest temperature

required for the lower tank.

Diff. tank and prim. ﬂow °C 0 (0 to 15)

This menu is used to set the difference between the

temperature in the tank and the outgoing primary ﬂow

temperature to the heating system, if required.

Start/Stop diff. tank °C 5 (3 to 10)

The hysteresis between the heat pump’s start and stop

conditions in charging the lower tank.

Timer setpoint 50 (20 to 60)

This menu is used to specify the setpoint that is active

during the period of time set by the timer.

Timer lower tank

See the chapter “Timer lower tank” below.

9.5.2.6 Timer lower tank

This menu is used to schedule the weekday periods

you require the lower tank to be heated. This schedule

is repeated every week. The illustration shows factory

settings, which can be modiﬁed.

Run time DHW circ. 4 (1 to 90)

The operating time the domestic hot water circulation

should take place during each period. Applies if DHW

circulation has been deﬁned in the

Installer/Deﬁned

system/DHW tank

menu.

Cyclic time DHW circ. 15 (5 to 90)

The cyclic time for domestic hot water circulation. DHW

circulation must have been deﬁned in the

Installer/

Deﬁned system/DHW tank

menu.

Diff start ext DHW buffer 5 (3...15)

This menu is used to select the temperature difference

at which the charging of the external DHW tank is

required to start. The difference is speciﬁed against the

setpoint that is set in the

Stop temp. HP °C

menu.

Timer DHW circulation

This menu displays the scheduled weekday periods

when the DHW circulation pump is to run. This schedule

is repeated every week.

The circulation pump for hot water is set in the above menu to

run on Mondays between 6 am and 9 am and between 9 pm

and 11 pm.

06-07 00-00 00-00

07-08 00-00 00-00

06-09 00-00

03-09 00-00

06-09 00-00

Elec. heater

Upper el.heater(s) kW 9

Lower el.heater kW 9

Lower el.heater °C 50

Delay mixing valve 180

Main fuse A 60

Conversion factor curr. sensors 1:1

Tariff, EL No

Upper tank

Stop temp HP °C 55

Start/stop diff °C 5

Extra DHW stop temp °C 60

Max time upper tank 20

Max time lower tank 40

Min temp °C 45

Add heat upper tank °C 55

Periodic extra DHW, days 14

Max temp diff end DHW °C 3

Stop DHW diff max 3

Run time DHW circ. 4

Time DHW circ 15

Diff start ext DHW buffer 5

Timer DHW circulation

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Lower tank

Tank max. °C 55

Tank min. °C 25

Diff. tank vs primary °C 0

Start/stop diff tank °C 5

Timer setpoint 50

Timer lower tank

Solar panels

dT max solar °C 7

dT min solar °C 3

Min speed pump % 30

Max lower tank °C 85

Max temp brine °C 18

dT max ground °C 60

dT min ground °C 30

Solar test tank min 4

Test frequency min 30

Winter mode Off

Protection collector

Wood boiler

Start at ﬂ ue gas temp °C 100

Ext Boiler

Ext boiler diff °C 5

Minimum temp ext. boiler ° C 30

Delay. Charge pump (min) 0

Delay. Stop ext. boiler (min) 0

Priority Low

Delay priority low 120

External buffer

dT lower ext °C 7

dT start upper °C 7

dT stop upper °C 3

Charge start lower °C 80

dT start lower °C 7

dT stop lower °C 3

dT setpoint lower °C 7

HP charging

Pool

Pool temp °C 22.0

Pool diff. °C 1.0

Pool prio. °C Low

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Weekly program Off/Setpoint

06-07 00-00 00-00

07-08 00-00 00-00

06-09 00-00

03-09 00-00

06-09 00-00

Elec. heater

Upper el.heater(s) kW 9

Lower el.heater kW 9

Lower el.heater °C 50

Delay mixing valve 180

Main fuse A 60

Conversion factor curr. sensors 1:1

Tariff, EL No

Upper tank

Stop temp HP °C 55

Start/stop diff °C 5

Extra DHW stop temp °C 60

Max time upper tank 20

Max time lower tank 40

Min temp °C 45

Add heat upper tank °C 55

Periodic extra DHW, days 14

Max temp diff end DHW °C 3

Stop DHW diff max 3

Run time DHW circ. 4

Time DHW circ 15

Diff start ext DHW buffer 5

Timer DHW circulation

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Lower tank

Tank max. °C 55

Tank min. °C 25

Diff. tank vs primary °C 0

Start/stop diff tank °C 5

Timer setpoint 50

Timer lower tank

Solar panels

dT max solar °C 7

dT min solar °C 3

Min speed pump % 30

Max lower tank °C 85

Max temp brine °C 18

dT max ground °C 60

dT min ground °C 30

Solar test tank min 4

Test frequency min 30

Winter mode Off

Protection collector

Wood boiler

Start at ﬂ ue gas temp °C 100

Ext Boiler

Ext boiler diff °C 5

Minimum temp ext. boiler ° C 30

Delay. Charge pump (min) 0

Delay. Stop ext. boiler (min) 0

Priority Low

Delay priority low 120

External buffer

dT lower ext °C 7

dT start upper °C 7

dT stop upper °C 3

Charge start lower °C 80

dT start lower °C 7

dT stop lower °C 3

dT setpoint lower °C 7

HP charging

Pool

Pool temp °C 22.0

Pool diff. °C 1.0

Pool prio. °C Low

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Weekly program Off/Setpoint

06-07 00-00 00-00

07-08 00-00 00-00

06-09 00-00

03-09 00-00

06-09 00-00

Elec. heater

Upper el.heater(s) kW 9

Lower el.heater kW 9

Lower el.heater °C 50

Delay mixing valve 180

Main fuse A 60

Conversion factor curr. sensors 1:1

Tariff, EL No

Upper tank

Stop temp HP °C 55

Start/stop diff °C 5

Extra DHW stop temp °C 60

Max time upper tank 20

Max time lower tank 40

Min temp °C 45

Add heat upper tank °C 55

Periodic extra DHW, days 14

Max temp diff end DHW °C 3

Stop DHW diff max 3

Run time DHW circ. 4

Time DHW circ 15

Diff start ext DHW buffer 5

Timer DHW circulation

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Lower tank

Tank max. °C 55

Tank min. °C 25

Diff. tank vs primary °C 0

Start/stop diff tank °C 5

Timer setpoint 50

Timer lower tank

Solar panels

dT max solar °C 7

dT min solar °C 3

Min speed pump % 30

Max lower tank °C 85

Max temp brine °C 18

dT max ground °C 60

dT min ground °C 30

Solar test tank min 4

Test frequency min 30

Winter mode Off

Protection collector

Wood boiler

Start at ﬂ ue gas temp °C 100

Ext Boiler

Ext boiler diff °C 5

Minimum temp ext. boiler ° C 30

Delay. Charge pump (min) 0

Delay. Stop ext. boiler (min) 0

Priority Low

Delay priority low 120

External buffer

dT lower ext °C 7

dT start upper °C 7

dT stop upper °C 3

Charge start lower °C 80

dT start lower °C 7

dT stop lower °C 3

dT setpoint lower °C 7

HP charging

Pool

Pool temp °C 22.0

Pool diff. °C 1.0

Pool prio. °C Low

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Weekly program Off/Setpoint