Raypak RSIT30 Installation & Operating Instructions Manual page 9

TO
SYSTEM
MAKE UP
WATER
MIX
OUTLET
COLD
INLET
Figure 3 depicts connecting the indirect water heater to
the system loop. This diagram also shows the optional
anti-scalding mixing valve (may be required in some ju-
risdictions). The boiler shown in this diagram is the
XPak FT. Other boilers may be used instead.
CHECK
VALVE
SYSTEM
BALL
PUMP
VALVE
DRAIN
BALL
VALVE
PRESSURE
REDUCING VALVE
BALL
VALVE
HOT
OUTLET
INDIRECT
FIRED
PRV
STORAGE
WATER
HEATER
MIXING
VALVE
UNION
FROM
BOILER
(S5) IND
TANK
SENSOR
TO
BOILER
COLD
INLET
Fig. 3: VERSA MODE 2
PRESSURE
GAUGE
AIR
SEPARATOR
(S3)
SYSTEM
SENSOR
12" MAX APART
EXPANSION
TANK
BOILER
PUMP
DHW
PUMP
UNION
DRAIN
BALL
VALVE
UNION
DRAIN
9
FROM
XPAK FT
SYSTEM
BOILER
BALL
VALVE
BALL
VALVE
PRV
T&P
GAUGE
UNION
DRAIN