Water Connections - Rinnai EHP-HS190M-IN2 User's And Installer's Manual

7. WATER CONNECTIONS

H H y y d d r r a a u u l l i i c c c c o o n n n n e e c c t t i i o o n n s s c c h h e e m m a a
Make sure that the safety devices are installed on the DHW circuit, safety and thermostatic valve (provided
by the client) the latter when the anti-Legionella function is enabled.
Indicative plumbing diagram
The system components must be defined by Designer and Installer (ex. expansion tanks, vents, taps,
calibration/safety valves etc.)
I I n n d d i i s s p p e e n n s s a a b b i i l l e e c c o o m m p p o o n n e e n n t t s s s s y y s s t t e e m m ( ( n n o o t t s s u u p p p p l l i i e e d d ) )
C C . . C C . . C C o o m m p p o o n n e e n n t t s s p p r r o o v v i i d d e e d d b b y y C C u u s s t t o o m m e e r r
A A System valve
I I . . A A . . Aqueduct input
F F Water filter (supplied as standard)
F F . . I I . . System filter (provided by the customer)
M M Pressure gauge
P P . . A A . . Descaler protection
P P S S Solar pump
P P R R Recirculation pump
R R I I D D Pressure reducing valve
V V E E A A C C S S Domestic hot water expansion tank
V V S S A A C C S S Domestic hot water safty valve
V V E E S S Solar expansion tank
V V R R Check valve
V V T T Mixing valve thermostatic
I I n n t t h h e e t t i i g g h h t t e e n n i i n n g g o o p p e e r r a a t t i i o o n n s s a a l l w w a a y y s s u u s s e e t t h h e e
w w r r e e n n c c h h a a n n d d b b a a c c k k u u p p w w r r e e n n c c h h . .
Domestic Hot Water output
1
Water input
2
System water return
3
System water outlet
4
Refrigerant line (gas)
5
Refrigerant line (liquid)
6
Domestic Hot Water recirculation
7
Solar system return (option)
8
Solar system outlet (option)
9
Vent
Cut-off valves
Anti-vibration joints
WateR connectionS
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