State Water Heaters 650A, Инструкция по эксплуатации

Страница: 49 / 60

49
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.
MUL
T
I FL
UE (2 UNITS) WITH BOOSTER TW
O TEMPERA
T
URE
LEGEND
TEMPERA
T
URE & PRESSURE
RELIEF V
A
L
V
E
PRESSURE RELIEF V
A
L
V
E
CIRCULA
TING PUMP
T
A
NK TEMPERA
T
URE
CONTRO
L
DRAIN
FULL
POR
T
BALL
V
A
L
V
E
TEMPERA
T
URE GAGE
W
A
TER FLOW SWITCH
CHECK V
A
L
V
E
W
A
RNING:
THIS DRA
WING SHOWS SUGGESTED
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR ADDITIONAL
REQUIREMENTS.
EXPANSION TANK
BOOSTED WATER OUTLET
TYPICAL BOOSTER HEATER
PRE-HEATER
PRE-HEATER
MUST BE IDENTICAL HEATERS
FINISHED FLOOR
COLD WATER SUPPLY
HOT OUTLET AT STORED TEMPERATURE
BOOSTER RETURN (IF USED)
HOT WATER RETURN
PIPE T&P TO OPEN DRAIN
PIPE T&P TO OPEN DRAIN
PIPE T&P TO OPEN DRAIN