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11. Installation Instruction
Field Supply Accessories (Optional)
No.
Part
Model
Specifications
Maker
i
2-way valve kit
*Cooling model
Electromotoric Actuator
SFA21/18
AC230V
Siemens
2-port Valve
VVI46/25
Siemens
ii
Room Thermostat
Wired
PAW-A2W-RTWIRED
AC230V
-
Wireless
PAW-A2W-RTWIRELESS
iii
Mixing valve
-
167032
AC230V
Caleffi
iv
Pump
-
Yonos 25/6
AC230V
Wilo
v
Buffer tank sensor
-
PAW-A2W-TSBU
-
-
vi
Outdoor sensor
-
PAW-A2W-TSOD
-
-
vii
Zone water sensor
-
PAW-A2W-TSHC
-
-
xiii
Zone room sensor
-
PAW-A2W-TSRT
-
-
ix
Solar sensor
-
PAW-A2W-TSSO
-
-
It is recommended to purchase the field supply accessories listed in above table.
11.1 Indoor
Unit
11.1.1 Select the Best Location
Install the Tank Unit in indoors with frost free
weather proof location only.
Must install on a flat horizontal and solid hard
surface.
There should not be any heat source or steam
near the Tank Unit.
A place where air circulation in the room is good.
A place where drainage can be easily done (e.g.
Utility room).
A place where Tank Unit’s operation noise will not
cause discomfort to the user.
A place where Tank Unit is far from door way.
A place where accessible for maintenance.
Ensure to keep minimum distance of spaces as
illustrated below from wall, ceiling, or other
obstacles.
A place where flammable gas leaking might not
occur.
Secure the Tank Unit to prevent it being knocked
over accidentally or during earthquakes.
Please avoid installations which expose the Tank Unit
to any of the following conditions:
Extraordinary environment conditions; installation
in frost or exposure to unfavorable weather
conditions.
Voltage input exceeding the specified voltage.
Required space for installation
11.1.1.1
Transport and Handling
11.1.1.2
Be careful during transporting the unit so that it is
not damaged by impact.
Only remove the packaging material once it has
reached it is desired installation location.
It may need three or more people to carry out the
installation work. The weight of Tank Unit might
cause injury if carried by one person.
The Tank Unit can be transported either in vertical
or horizontal.
o
If it transported in horizontal, make sure Front
of packaging material (printed with “FRONT”)
must facing upwards.
o
If it transported in vertical, use the hand holes
on sides, slide and move to the desired
location.
Fix the Adjustable Feet, if the Tank unit installed
on an uneven surface.
11.1.2 To Drill a Hole in the Wall and
Install a Sleeve of Piping
1 Make a Ø70 mm through hole.
2 Insert the piping sleeve to the hole.
3 Fix the bushing to the sleeve.
4 Cut the sleeve until it extrudes about 15 mm
from the wall.
CAUTION
When the wall is hollow, please be sure to use the sleeve
for tube assembly to prevent dangers caused by mice
biting the connection cable.
(Unit : mm)
Mi
n.
10
0
Mi
n.
70
0
Mi
n.
300
Min
.
100
Min
.
100
Hold
Hold
Hold arrow section
to slide and move
