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ONE WATER HEATER, TWO TEMPERATURE WITH HIGH TEMPERAURE LOOP 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.
LEGEND
TEMPERA
TURE &
PRESSURE RELIEF V
A
L
V
E
PRESSURE RELIEF V
A
L
V
E
CIRCULA
TING PUMP
TEMPER
A
T
URE CONTRO
L
PROBE
DRAIN
FULL
POR
T
BALL
V
A
L
V
E
MIXING V
A
L
V
E
TEMPERA
TURE GAGE
W
A
TER FLOW SWITCH
CHECK V
A
L
V
E
W
ARNING:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR ADDITIONAL
REQUIREMENTS.
ANY
MA
TERIAL, COMPONENT
OR VENDOR CHANGE
MUST
HA
VE PRIOR
APPROV
AL
BY
THE
APPLICABLE
PRODUCT
ENGINEERING DEP
A
R
T
MENT
.
FINISHED FLOOR
HOT WATER
RETURN
OUTLET
HOT
TEMPERED WATER
RETURN
TEMPERED
WATER
OUTLET
PIPE T&P TO
OPEN DRAIN
COLD WATER
SUPPLY
COLD
EXPANSION
TANK
Summary of Contents for BTH 300
Page 66: ...66 WIRING DIAGRAM Figure 58 ...
