Caution!
•
Before installation, decide a safe and reliable way of conveying the unit.
•
To prevent injury, a mixing valve must be installed on the outlet if the hot water temperature may rise
over 65°C, for example, when using solar energy solutions.
•
In order to avoid injury, do not remove the fan guard on the outdoor unit.
•
At the water inlet side, a check valve must be installed.
•
Never block the connections to the temperature and pressure valve.
•
Water expands when it is heated, this means that a small amount of water is released from the system
via the overflow pipe. The water that exits the overflow pipe can be hot! Therefore, allow the water to
flow to a floor drain where there is no risk of burning yourself or causing damage to the floor and
building.
•
Do not remove the front panel. Some parts inside are dangerous to touch, and a machine malfunction
may be caused.
•
Do not touch the inner parts of the controller.
•
The heating system will stop or restart automatically. A continuous power supply for water heating is
therfore necessary, except when performing service and maintenance.
•
If the unit is installed in a space without heating, there is a risk of freezing damage if the power is
turned off during cold weather conditions. Ensure that the system is drained from water if it is
necessary to turn off the power during such circumstances.
2.2
Refrigerant safety precautions
DANGER! Only authorized refrigeration technicians may work on the refrigerant circuit.
Although the cooling system (refrigerant circuit) is filled with a chlorine-free and environmentally approved refrig-
erant that will not affect the ozone layer, work on this system may only be carried out by authorized persons.
2.3
Electrical connection safety precautions
DANGER! Electrical installation may only be carried out by an authorized electrician and must follow
applicable local and national regulations.
Caution! The electrical installation must be carried out using permanently routed cables. It must be
possible to isolate the power supply using an all-pole circuit breaker with a minimum contact gap of 3
mm.
DANGER! Hazardous electrical voltage! The terminal blocks are live and can be highly dangerous due to
the risk of electric shock. All power supplies must be isolated before electrical installation is started.
Installation, Service and User Manual VMGFK202 – 5
Summary of Contents for DTW 300 SP
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