36
N
OTES
:
1.
P
re
ferred
piping
diagram
.
2.
The
tempera
ture
and
pre
ss
ure
relie
f valve
se
tting
shall
no
t exceed
pressure
ra
ting
o
f any
componen
t in
the
sys
tem
.
3.
S
ervi
ce
v
al
ves
are
s
hown
for
ser
vicing
uni
t.
Howeve
r,
local
codes
shall
govern
their
usage
.
4.
The
T
ank
T
empera
ture
Con
trol
should
be
wired
to
and
con
trol
the
pump
be
tween
the
wa
ter
hea
ter(s)
and
the
s
torage
tank(s)
.
MUL
TI F
LUE
- (1 UNIT) WITH MIXING
VAL
VE
TWO
TEMPERA
TURE
LEGEND
TEMPERA
TURE & PRESSURE
RELIEF V
A
LVE
PRESSURE RELIEF V
A
LVE
CIRCULA
TING PUMP
TA
NK
T
EM
PE
R
AT
URE C
O
N
TR
O
L
DRAIN
FULL
POR
T
BALL
V
A
LVE
TEMPERA
TURE GAGE
W
ATER FLOW SWITCH
CHECK V
A
LVE
W
ARNING:
THIS DRA
W
ING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR
ADDITIONAL
REQUIREMENTS.
TEMPERED
W
ATER
RETUR
N
TEMPERED
W
ATER
O
U
TL
ET
HOT
W
ATER
O
U
TL
ET
HOT
WATER RETURN
COLD WATER SUPPLY
COLD
HOT
EXPANSION TANK
PIPE T&P TO OPEN DRAIN
