STIEBEL ELTRON WPM - Cooling

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Menu: SETTINGS
 COOLING
Note
Not all heat pumps are cooling heat pumps.
Note
Depending on the heat pump, a buffer cylinder may be
required for cooling.
 Observe the details in the operating and installation
instructions for the heat pump.
Note
When a swimming pool water heating demand is issued,
cooling mode is interrupted, and swimming pool water
heating begins.
Conditions for cooling operation
- The system must be in summer mode.
- An analogue FE7 remote control or at least one digital FET
remote control must be connected to the heat pump manag-
er. Please note that you can only use the analogue or digital
remote control in the system.
- All cooling parameters must be set.
- Depending on the heat pump, a cooling sensor may be
required.
Cooling mode with the FE7 remote control
The FE7 analogue remote control is not equipped with dew point
monitoring. The remote control can therefore only be used in
conjunction with fan convectors or ceiling cassettes with con-
densate drain.
Cooling mode with the FET remote control
The digital FET remote control unit is equipped with dew point
monitoring, and can be used with fan convectors and area heating
systems (e.g. underfloor/wall heating systems, cooling ceilings).
Note
If more than one digital FET remote control is connected,
an additional cooling circuit can be specified for each
remote control.
Cooling and DHW heating with air/water heat pump cascades
With an air/water heat pump cascade, cooling and DHW heating
can take place in parallel.
 In the SETTINGS/ DHW/ STANDARD SETTING/ DHW MODE
menu, set the parameter PARTIAL PRIORITY to ON.
The heat pump specified for DHW and the corresponding DHW
charging pump are switched on in response to DHW demand.
The remaining heat pumps in the cascade provide cooling.
Cooling and DHW heating with brine/water heat pumps
With a brine/water heat pump, if a DHW heating demand is issued,
cooling mode is interrupted and DHW heating begins.
 COOLING
Here you can switch the cooling function of the heat pump on
or off.
 COOLING MODE
 PASSIVE COOLING
Passive cooling is possible only with brine/water heat pumps.
Cooling takes place initially with the heating circuit pump. Control-
ler output X2.13 is switched on. Additional zone valves or diverter
valves can be actuated with controller output X2.13, forexample.
If after 60seconds the actual flow temperature is higher than the
set flow temperature, the source and buffer charging pumps are
started.
On cascades, the additional source and buffer charging pumps are
switched on one after the other if the flow temperature cannot be
further reduced. Whether these additional pumps are activated
depends on the set dynamics (DYNAMICS PASSIVE).
 ACTIVE COOLING
Control characteristics with brine/water heat pumps
Cooling initially takes place passively (see PASSIVE COOLING). If the
flow temperature cannot be further reduced by passive cooling,
the compressor also starts.
On cascades, the additional source and buffer charging pumps
and compressor are switched on one after the other if the flow
temperature cannot be further reduced. Whether these additional
pumps are activated depends on the set dynamics (DYNAMICS
ACTIVE or DYNAMICS PASSIVE).
Control characteristics with air/water heat pumps
Cooling takes place initially with the heating circuit pump. Control-
ler output X2.13 is switched on. Additional zone valves or diverter
valves can be actuated with controller output X2.13, forexample.
If after 60seconds the actual flow temperature is higher than the
set flow temperature, the buffer charging pump and compressor
are started.
On cascades, the additional buffer charging pumps and compres-
sor are switched on one after the other if the flow temperature
cannot be further reduced. Whether these additional pumps and
compressors are activated depends on the dynamics setting (DY-
NAMICS ACTIVE).
 STANDARD SETTING
 COOLING STAGES
Select the number of heat pumps enabled for cooling mode.
 COOLING LIMIT
With this parameter, the lower application limit for cooling mode
is specified. If the outside temperature is below the set application
limit, cooling mode is deactivated.