State SBL100 76 NE - Manual (Page 30)

30
NOTES: 1.
Preferred piping diagram
.
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. However
, local codes shall govern their usage.
4.
The
Ta
nk
Te
mperature 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
Te
m
perature Control
.
SINGLE FL
UE
- (1 UNIT) WITH MIXING
VA
LVE
TWO
TEMPERA
TURE
LEGEND
TEMPERA
TURE & PRESSURE
RELIEF
VA
LV
E
PRESSURE RELIEF
VA
LV
E
CIRCUL
AT
ING PUM
P
TA
NK
TEMPER
AT
URE CONTRO
L
DRAIN
FULL
PO
RT
BALL
VA
LV
E
TEMPERA
TURE GAGE
WA
TER FLOW SWITCH
CHECK
VA
LV
E
WA
RNING:
THIS DR
AW
ING SHOWS SUGGESTE
D
PIPING CONFIGURA
TION
AND OTHER DEVICES
;
CHECK WITH LOCA
L
CODES
AND ORDINANCES
FOR
ADDITIONAL
REQUIREMENTS
.
HOT WATE
R
RETUR
N
MINIMUM 10
´´ to
12
´´
HOT WATER OUTLET
TEMPERED
WATER RETUR
N
TEMPERED
WATE
R
OUTLET
COLD WATE
R
SUPPLY
LINE
TEMPERATURE
CONTROL
COLD
HO
T
EXPANSION
TANK
PIPE T&P TO OPEN DRAI
N