Midea MWH-38Q, Instruction Manual

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This water heater is for household, and it can be installed wherever place that need hot water,
eg. Washing hands, dishes or foods, and so on. (Multi directional water supply is not available).
Plug is not used for this water heater; this water heater must be connected directly with power
switch that comes with leakage-protection. Please distinguish live line (red/brown), neutral line
(blue) and earth line (green/yellow) during installation.
Do check whether the amperes of the household wiring enough before installation, and
dedicated circuit must be used when installation.
Before installing this water heater, check and confirm the earth electrode on the socket is reliably
earthed, without electricity.
The water heater should be installed indoor
，
where temperature keeps over 0
℃
. If the water
inside of water heater has been frozen, it’s forbidden to turn on water heater before the ice
meltdown.
The hot water from the water heater may cause scald, please test the temperature of the hot
water before use.
The distance between water heater installed and water output should be as nearby as possible
to avoid loss of heat.
The electric water heater may be damaged if the water hardness is too high. To ensure longer
product lifespan, please install and put it into use on condition that the local water hardness is
less than 450mg/L (CaCO3)
In time of lightning/thunder, switch “Off” the Miniature Circuit Breaker (MCB) in advance to
protect the water heater against possible damage.
Inspection on the built-in ELCB (once a month) to avoid a hazard to users such as damage to
property, serious injury or death.
Do cut-off power supply before any maintenance. Any maintenance or adjustment towards this
product by non-professional is highly prohibited.
The damage power cord must be replaced by a good power cord provided by the manufacturer,
and the replacement should be done by a qualified technician or engineer or professionals of
the similar products.
In order to avoid a hazard due to inadvertent resetting of the Earth Leakage Circuit Breaker
(ELCB), this appliance must not be supplied through an external switching device, such as timer
or connected to a circuit that is regularly switched “On” and “Off” by the utility.
Water heater is equipped with adjustable flow capacity safety valve. For safety use, please do
not change its installation location and do not block its water outlet.
The shower head must be descaled regularly.
When the shower is used by someone such as child, old person, sick person and physical
handicapped person, the concern person is kindly requested to pay attention and check the
shower temperature by using hand from time to time.
The heater must be permanently connected to the electricity supply, direct from the consumer unit via
a double poles linked switch with a minimum contact gap of 3mm in both poles. The switch must be
readily accessible and clearly identifiable and out of reach of person using a fixed bath or shower. The
wiring must be connected to the switch without the use of a plug or socket outlet.
For any improper installation and incorrect operation of this product, our company will not be
liable for any responsibility.
To prevent personal injury, injury to others and property damage, the instructions below must be
followed. Incorrect operation due to failure to follow instructions will cause harm or damage.
Installation must be carried out by a qualified personnel and in compliance to the local authority
regulations.
Special Cautions
1. CAUTIONS
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