Hitachi YUTAKI S80 Series Installation And Operation Manual page 38

INSTALLATION

Connection procedure
1 Remove the indoor unit cover's protection to facilitate the con-
nection procedure.
2 Remove the metal plugs (Heating coil connections) from the
3-way valve and the T-branch. If necessary, disconnect the
3-way valve motor (upper part) to ease the installation pro-
cedure.
3-way valve
3-way valve
motor
(upper part)
Metal plug
3-way valve con-
nection for heating
coil inlet
3-way valve connection for
heating coil inlet
(Left side view)
38
T-branch
T-branch connec-
tion for heating
coil outlet
T-branch connection for
heating coil outlet
PMML0291A rev.2 - 09/2014
3 Select the preferable outlet position for the flexible water
pipes.
N O T E
• Depending on the selected outlet hole (upper side or rear
side) the distance between the indoor unit and the tank may
be different. This value may vary between 0 and 200mm, ap-
proximately.
• Refer to the next step
pipes kit (ATW-FWP-01) and the heating coil pipes
understanding.
Tank at the right side of the indoor unit (Recommended)
Metal
plug
Back outlet
Tank at the left side of the indoor unit
Back outlet
Holes for flexible
water piping
Connection between the flexible water
Upper outlet
Upper outlet
for a good