Refrigerant Piping Connection And Indoor Unit's Placing; Water Pipes Connection To The Space Heating (Space Heating Pipes); Water Pipes Connection To The Tank (Dhw Pipes) - Hitachi YUTAKI S80 Series Installation And Operation Manual

INSTALLATION
N O T E
• Be careful with the low pressure sensor on the suction pipe
when connecting the flexible water pipes.
• Keep the flexible water pipes connected inside the indoor unit
without overpassing the highest surface of it by the help of its
internal elements until the DHW tank will be integrated on the
indoor unit.
6 Reconnect the 3-way valve motor.
7 Reassembly the indoor unit cover's protection.
7.4.4 Refrigerant piping connection and indoor
unit's placing
Follow the same procedure explained in
alone (Without tank) on the
and operation manual.
31 PMML0291A rev.2 - 09/2014
Low pressure sensor
Indoor unit's
cover protection
Installation of indoor unit
YUTAKI S80 indoor unit Installation
7.4.5 Water pipes connection to the space
heating (Space heating pipes)
Connect the space heating pipes (one end already connected to
the indoor unit) to the shut off valves of the space heating inlet
and outlet (field supplied).
7.4.6 Water pipes connection to the tank (DHW
pipes)
Perform the flexible water pipes connection to the tank (pipes
from tank to DHW installation) as follows:

Connection procedure
1 Place the DHW tank into the assembly area and put beside
it on the floor the packing material (carton casing and plastic
bag), which will protect the tank when overturning it to pro-
ceed with the piping connections.
Packing assembly
2 Overturn the DHW tank by one lateral side (left or right) pro-
tecting it with the packing material.
DHW tank