Edesa Hydra, Documentation For Installation And Use

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Overview Installation Operation
Service, Maintenance and Repair
If the absence mode cannot be used it could be necessary to drain the water heater if the device is switched
off. Proceed as follows:
1. Advice to the user.
The device has to be disconnected from mains before opening the cover.
Maintenance Warranty
Switch off power supply.
Open a hot water tap. Close the cold water inlet.
Open the drain valve on the
security group. ❶
❸ ❷
❹
In order to maintain the performances of your water heater, we advice to service it regularly.
2. Service.
By the USER :
What When How
Security group 1 to 2 times per month Operate the safety valve.
Check that water evacuation is ok.
General 1 time per month Check external shape of your device : no Error code
displayed, no leakage on the connections...
By the INSTALLER :
What When How
Ducts 1 per year Check if the device is ducted.
Check if the ducts are well positioned and not
deformed.
Condensates evacuation 1 per year Check the cleanness of the condensates evacuation
tube.
Electric connections 1 per year Check that any internal and external cable connections
are not loose and that all connectors are plugged in.
Electric backup 1 per year Check the correct function of the electric backup by
measuring the power.
Scaling Every 2 years If the supply water is hard clean the deposited scale.
What When How
Thermal exchange of the
heat pump Every 2 years Check the correct working of the heat pump.
Components of the heat
pump Every 2 years Check the ventilator operation on it’s 2 speeds and the
hot gas valve.
Evaporator Every 2 years Clean the evaporator with a nylon brush and products
neither scratching nor corrosive.
Refrigerant Every 5 years Check the refrigerant quantity.
By the REFRIGERATION ENGINEER :