Midea MHC-V10W/D2N1, Installation & Owner'S Manual, Page: 4 / 96

T4 Outdoor temperature(°C)
T1 Water flow temperature(°C)
DOMESTIC WATER HEATING MODE
T4
T1
30
43
-2
-20
■ No heat pump operation, backup heater or boiler only.
1.2 Scope of this manual
This installation & owner's manual describes the procedures for
installing and connecting all monobloc outdoor unit models.
DANGER
Indicates an imminently hazardous situation which if not
avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation which if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It is also
used to alert against unsafe practices.
NOTE
Indicates situations that could only result in accidental
equipment or property damage.
■ Before touching electric terminal parts, turn off power switch.
■ When service panels are removed, live parts can be easily
touched by accident.
Never leave the unit unattended during installation or servicing
when the service panel is removed.
■ Do not touch water pipes during and immediately after operation
as the pipes may be hot and could burn your hand. To avoid injury,
give the piping time to return to normal temperature or be sure to
wear protective gloves.
■ Do not touch any switch with wet fingers. Touching a switch with
wet fingers can cause electrical shock.
■ Before touching electrical parts, turn off all applicable power to
the unit.
(*) The models have a freeze prevention function that uses the heat
pump and back up heater to keep the water system safe from
freezing in all conditions. If there is an accidental or intentional
power shutdown, using glycol is recommended (Refer to
9.3
Water pipework Caution: "Use of glycol” ).
2 ACCESSORIES
DANGER
WARNING
2
SHAPE
NAME
Outdoor unit installation &
owner’s manual(this book)
1
Water outlet connection pipe
assembly
2
User interface kit(digital
remote controller)
1
Tighten belt for customer
wiring use
3
1
Wire control
owner’s manual
1 1
1
1
Thermistor for domestic hot
water tank or additional
heating source*
1 1
2
3
1 1 r e t li f e p a h s - Y
Transit line
1 1
0
9.2.3 Main control board of
hydraulic module .
Thermistor for backup heater
T1
1 0
3 SAFETY CONSIDERATIONS
The precautions listed here are divided into the following types.
They are quite important, so be sure to follow them carefully.
Meanings of DANGER , WARNING , CAUTION and NOTE symbols.
2.1 Accessories supplied with the unit
2.2 Accessories avaliable from supplier
SHAPE NAME
water temperature thermistor
Transit line(for T1B)