State Water Heaters SUF 60120 THRU, Instruction Manual

Page: 72 / 80

72
W
ATER PIPING DIAGRAMS
Before installation of water piping review the following:
1.
See
Mixing V
alves
(page 14)
.
2.
See
Dish-washing Machines on page 14
.
3.
See
W
ater Line Connections
(page 43)
.
4.
See
Thermal Expansion
and
Closed W
ater Systems
(page 14)
.
ONE WATER HEATER, SINGLE TEMPERATURE WITH HORIZONTAL STORAGE TANK FORCED RECIRCULATION WITH BUILDING RECIRCULATION
NOTES: 1.
Preferred piping method
.
2.
The temperature and pressure relief valve setting shall not exceed pressure rating of any component in the system
.
3.
Service valves are shown for servicing unit. Howeve
r, local codes shall govern their usage.
4.
The tank temperature control should be wired to and control the pump between the water heater(s) and the storage tank(s).
5.
The water heater
’s
operating thermostat should be set 5 degrees F higher than the tank temperature control.
LEGEND
TEMPER
AT
URE &
PRESSURE RELIEF
VA
LV
E
PRESSURE RELIEF
VA
LV
E
CIRCULA
TING PUMP
TEMPERA
TURE CONTRO
L
PROB
E
DRAI
N
FULL
PO
RT
BALL
VA
LV
E
TEMPER
AT
URE GAGE
WA
TER FLOW SWITCH
CHECK
VA
LV
E
W
ARNING
:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR
ADDITIONAL
REQUIREMENTS
.
AN
Y
MA
TERIAL, COMPONEN
T
OR VENDOR CHANGE
MUST
HA
VE PRIOR
APPROV
AL
BY
THE
APPLICABLE
PRODUCT
ENGINEERING DE
PA
RT
MEN
T.
FINISHED FLOO
R
HOT WATE
R
RETURN
PIPE T&P TO OPEN DRAIN
HO
T
WATE
R
TO FIXTURE
S
CIRCULATING PUMP
ALTERNATE LOCATION
COLD WATE
R
SUPPLY
EXPANSIO
N
TAN
K
5.
If
a
pump
is
being
installed
between
a
water
heater
and
storage
tank
or
on
a
building
recirculation
loop
wire
according
to
Figure 68
(page 68)
.
6.
If
a
pump
is
being
installed
in
a
recirculation
loop
between
the
water
heater
and
a
commercial
dishwasher
wire
according to
Figure 68
or
Figure 69
(page 68)
.