ecoGEO C Installation and User Manual (Version 1.0)
page 101
Application
•
DHW, heating and active cooling in houses, small apartment blocks, offices or shops with underfloor
heating/cooling systems, fan coil units, for producing heating and cooling. If underfloor system is used,
special care must be taken with the outlet temperature control when cooling occurs.
Operation
In heating mode, the heat pump pumps hot water directly to the heating system adapting to your needs. The
outlet temperature is adjusted to the type of installation and is optimized with regards to indoor and outdoor
temperatures. The flow rate is adjusted to maintain a constant working temperature difference (5°C by
default).
In cooling mode the heat pump reverses its operating cycle so cold water is driven to the cooling system. The
flow rate and temperature will be optimized for the type of system used and its operating conditions.
When there is a demand for DHW, the CHW system (Closed Hot Water Production System) is activated, which
produces DHW and heating/cooling simultaneously (maximum tank temperature 50-55°C). Once a week, the
electric heater located in the hot water tank is activated to raise the temperature to 70°C to prevent outbreaks
of legionella.
Additional control elements
Besides the heat pump control equipment you must install the following components.
•
An indoor temperature/humidity terminal (see section 5.7).
•
An outdoor temperature probe (see section 5.7).
Configuration
1.
Enter the SERVICE MENU
([Prg]
+
[Esc])
-> INSTALLER CONF. (Enter service password PW1) ->
OPERATING SCHEME -> 1 ZONE.
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