36
Do not operate the unit with a wet hand. An electric shock may be caused.
The installa
ti
on height of power supply should be over 1.8m. To prevent any problem with water
splash, separate the power supply from water.
A one-way valve must be installed on the water inlet side, which is available from accessories.
Arrange the drain pipe to ensure smooth draining. Improper drainage work may cause we
tti
ng of the
wall, furniture, etc.
Do not touch the inner parts of the controller. Do not remove the front panel. Some parts inside are
dangerous to touch, and a machine malfun
cti
on may be caused.
Do not turn o
ff
the power supply. System will stop or restart hea
ti
ng automa
ti
cally. A con
ti
nuous power
supply for water hea
ti
ng is necessary, except during servicing and maintenance.
2
Unit Installation
Except for accessories supplied by factory, the water
fl
ow switch should be supplied by site. The cut-o
ff
value
of switch should be more than V (V=0.1m
3
/h × Amount of units). The water
fl
ow switch is used to detect the
circula
ti
ng water
fl
ow volume.
A single unit must be installed with a water
fl
ow switch and wired controller; several units connected
in parallel can choose one or more sets of above accessories as required.
MCAC-HTSM-201801 Alliance R410A Direct Heating Type HPWH 50Hz Technical Manual