39
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
Tank
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
mperature Control.
MUL
T
I FL
UE
- (2 UNITS) WITH HORIZONT
AL
ST
ORAGE
TA
NK
LEGEND
TEMPERA
T
URE & PRESSURE
RELIEF V
A
LV
E
PRESSURE RELIEF V
A
LV
E
CIRCULA
TING PUMP
TA
NK TEMPERA
T
URE
CONTRO
L
DRAIN
FULL
POR
T
BALL
V
A
LV
E
TEMPERA
T
URE GAGE
W
A
TER FLOW SWITCH
CHECK V
A
LV
E
W
A
RNING:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR ADDITIONAL
REQUIREMENTS.
FINISHED
FLOOR
HOT
W
A
TER
T
O
FIXTURES
COLD WATER
SUPPLY
HOT WATER
RETURN FROM
FIXTURES
ALTERNATE
LOCATION
EXPANSION
TANK
PIPE T&P TO
OPEN DRAIN
PIPE T&P TO
OPEN DRAIN
