John Wood JW375T75N-AV, Инструкция по эксплуатации

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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
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.
SINGLE
FL
UE
- (1 UNIT) WITH MIXING V
AL
VE
TWO
TEMPERA
TURE
LEGEND
TEMPERA
TURE & PRESSURE
RELIEF V
A
LVE
PRESSURE RELIEF V
A
LVE
CIRCULA
TING PUMP
TA
NK TEMPERA
T
URE
CONTRO
L
DRAIN
FULL
POR
T
BALL
V
A
LVE
TEMPERA
TURE GAGE
W
A
TER FLOW SWITCH
CHECK V
A
LVE
W
ARNING:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR ADDITIONAL
REQUIREMENTS.
HOT WATER RETURN
MINIMUM
10
´´ to
12
´´
HOT WATER OUTLET
TEMPERED
WATER
RETURN
TEMPERED
WATER
OUTLET
COLD WATER SUPPLY
LINE
TEMPERATURE
CONTROL
COLD
HOT
EXPANSION
TANK
PIPE T&P TO OPEN DRAIN
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12/9/09 11:24:14 AM