Rinnai 29
DD FP Solar Pre Heat System OIM
SOLAR PREHEAT WITH DEMAND DUO AND WARM WATER VALVE
OPTIONAL
SECOND PUMP
GAS
H
OT
W
ARM W
ATER
VA
LV
E
DDS CYLINDER
PTR V
AL
VE
DUMP
VA
LV
E
(N/C)
PTR V
AL
VE
PTR V
AL
VE
W
ARM W
ATER OUTLETS
AS REQUIRED
DDSC
SOLAR CONTROLLER
DEMAND DUO
HOT
W
ATER SYSTEM
DD2 SHOWN,
ANY
DD SYSTEM CAN
BE USED
COLD
• COLD EXP
ANSION V
AL
VE
• PRESSURE LIMITING V
AL
VE
• NON RETURN V
AL
VE
• STRAINER • ISOLA
TION V
AL
VE
NOT INCLUDED
GAS BOOSTING
