34
when pump is deactivated. To cool off the boiler HUW pump operation can be
prolonged by
Extending
HUW operation time
.
Circulation standstill time
Pausing time between periods of circulation pump operation is defined with value
of parameter
Circulation standstill time
(recommended setting 15-40 min.)
Circular pump operates constantly during
Circulation operation time
(recommended setting 60-120s).
Circulation operation time
Boiler pump lock
If the parameter is on, the boiler pump will be stopped when the room thermostat
contact are open (present room temp. is reached).
14.3
Buffer
Buffer support
Menu includes settings related to thermal buffer.
Loading start temp.
Parameter defines buffor max. temp., below which the process of buffor loading
will start. Process of buffor loading ends, when the buffor min. temp. reaches the
temp. of L
oading end temp
. parameter.
Loading end temp.
Parameter defines buffor min. temp., above which the process of buffor loading
will end. Process of buffor loading starts again, when the buffor max. temp. falls
below the
Loading start temp
.
14.4
Mixer
Mixer support
Off
Mixer servomotor and pump are not active.
CH ON
Applicable when mixer cycle powers heating installation of CH. Maximum
temperature of mixer cycle is not limited, mixer is fully opened during alarms i.e.
boiler overheating. Attention: do not activate this option when installation is made
of pipes sensitive to high temperature. In such situations it is recommended to set
mixer service on Floor.
Floor on
Is used when mixer cycle powers floor installation. Maximum power of mixer cycle
is limited to value of parameter max preset mixer temperature.
Attention: After choosing option Floor, it is necessary to set parameter max mixer
preset temperature on such a value to not damage the floor and avoid scalding
risk.
Pump only
When mixer cycle temperature exceeds value set in parameter mixer preset
temperature, feeding of mixer pump is stopped. After decreasing temperature of
circuit by 2ºC – pump is reactivated. This option is normally used to control floor
heating pump in situation when it cooperates with thermostatic valve without
servomotor. By such action is not recommended. It is recommended to use
standard heating cycle in floor heating, which consists of valve, servomotor and
mixer pump.
Thermostat select.
Parameter available only after connecting to room panel. This option allows
change of room thermostat for mixer cycle. Options available:
Universal
– standard thermostat (No-Nc) connected to terminals 28-30 for
mixer 1 (for mixers 2,3,4,5 use proper terminals in additional modules).
ecoSTER T1
– thermostat 1 in ecoSTER200,
ecoSTER T2
– thermostat 1 in ecoSTER200,
ecoSTER T3
– thermostat 1 in ecoSTER200,
If ecoSTER200 or ecoSTER TOUCH is not connected then the controller
cooperates with standard room thermostat.
Min. mixer temp.
Using this parameter it is possible to restrict Chance of setting to low preset mixer
circuit temperature. Automatic control (i.e. periodical temperature reduction) also
will not cause reduction in preset temperature below value set in this parameter.
Max. mixer temp.
Parameter serves two functions:
- allows restricting setting too high mixer preset temperature. Automatic control
also will not cause exceeding preset temperature above value set in this
parameter.
- with parameter
Mixer support
=
Floor ON
is also limit temperature of mixer
sensor when mixer pump is deactivated. For floor heating set the value below
45º…50ºC or other if producer of materials used for floor or CH installation
designer state differently.
Proportional range
The higher the value, the faster the mixer reaches the present temperature. Too
high parameter value causes temperature overshoot and unnecessary
movements of the actuator.
Integr. time const.
The lower the value, the faster the mixer reaches the present temperature. Too
low parameter value causes temperature overshoot and unnecessary movements
of the actuator.
Valve opening time
Set full valve opening time given at the plate of valve servomotor, i.e. 140s.
Pump off by therm.
Setting the parameter on
YES
value causes closing of mixer servomotor and
deactivating mixer pump after disconnecting joints of room thermostat. This is not
recommended because the heated room can be too cool.
Summary of Contents for ecoMAX860P3-LZ
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Page 7: ...INSTRUCTION MANUAL ecoMAX860P3 LZ ...
Page 17: ...INSTALLATION AND SERVICE SETTINGS ecoMAX860P3 LZ ...
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