Rinnai 31
EVT DD Solar Pre Heat System Operation and Installation Manual
The installation of the Manifold Pack or Demand Duo must be carried out in accordance with instructions supplied
with the system. Piping connections to the Solar Preheat must be carried out as shown on the following pages.
The temperature setting of the gas boosters must comply with plumbing regulations
SOLAR PREHEAT WITH MANIFOLD PACK
MANIFOLD P
ACK
HOT
W
ATER SYSTEM
MP2 SHOWN,
ANY
MP
SYSTEM CAN
BE USED
DDSC SOLAR
CONTROLLER
DDS CYLINDER
DDS CYLINDER
DDS CYLINDER
PTR V
AL
VE
PTR V
AL
VE
PTR V
AL
VE
NOT INCLUDED
COLD
GAS H
OT
HOT
W
ATER OUTLETS
TEMPER AS
REQUIRED
CIRCULA
TING RETURN
PUMP
OPTIONAL
(NOT
INCLUDED) -
GPO REQUIRED
OPTIONAL
SECOND PUMP
• COLD EXP
ANSION V
AL
VE
• PRESSURE LIMITING V
AL
VE
• NON RETURN V
AL
VE
• STRAINER • ISOLA
TION V
AL
VE
GAS BOOSTING
