Safety Precautions - Mitsubishi Electric ecodan EHPT20Q-VM2EA Operation Manual

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Safety Precautions

WARNING:
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WARNING
1 Safety Precautions
In heating mode, to avoid the heat emitters being damaged by excessively hot water,
set the target flow temperature to a minimum of 2ºC below the maximum allowable
temperature of all the heat emitters.
This appliance is primarily intended for domestic use. For commercial applications this
appliance is intended to be used by expert or trained users in shops, in light industry
and on farms, or for commercial use by lay persons.
Do not use sharp objects to press the buttons of the main controller as this will cause
damage to the buttons.
If power to unit is to be turned off for a long time, the water should be drained from the
system.
Do not place a container etc. filled with water on the top panel.
Disposal of the Unit
Note:
This symbol mark is for EU countries only.
This symbol mark is according to the directive 2012/19/EU Article 14 Information for
users and Annex IX, and/or to the directive 2006/66/EC Article 20 Information for end-
users and Annex II.
Your Mitsubishi Electric heating system products have been manufactured with high quality
materials and components which can be recycled and / or reused. The symbol in Figure 1.1
means that electrical and electronic equipment, batteries and accumulators, at the end of their
life, should be disposed of separately from your household waste.
If a chemical symbol is printed beneath the symbol (Figure 1.1), this chemical
symbol means that the battery or accumulator contains a heavy metal at a certain
concentration.
This is indicated as follows;
Hg: mercury (0.0005%), Cd: (cadmium (0.002%), Pb: lead (0.004%)
In the European Union there are separate collection systems for used electrical and electronic products, bat-
teries and accumulators.
Please dispose of this equipment, batteries and accumulators correctly at your local community waste
collection/recycling centre.
Contact your local Mitsubishi Electric dealer for country-specific details on disposal.
Please, help us to conserve the environment we live in.
Abbreviations and glossary
No. Abbreviations/Word Description
1 Compensation curve mode Space heating incorporating outdoor ambient temperature compensation
2 COP Coefficient of Performance (The efficiency of the heat pump)
3 Cylinder unit Indoor primary thermal store tank and component plumbing parts
4 DHW mode Domestic hot water heating mode for showers, sinks, etc.
5 Flow temperature Temperature at which water is delivered to the primary circuit for thermal store or space heating
6 Freeze stat function Space heating control routine to prevent water pipes freezing
7 FTC Flow temperature controller (circuit board within cylinder unit that controls system).
8 Heating mode Space heating through radiators or Underfloor heating
9 PRV Pressure relief valve
10 Return temperature Temperature at which water is returned from the primary circuit for thermal store and space heating
11 TRV Thermostatic radiator valve – a valve on the entrance or exit of the radiator panel to control the heat output
WARNING
CAUTION
<Figure 1.1>
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