A.O. Smith 104 Series, Инструкция по эксплуатации

Страница: 42 / 56

42
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 FLUE (2 UNITS) TWO 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.
BOOSTER WATER RETURN
PRE-HEATED WATER TO BOOSTER
BOOSTER WATER TO FIXTURES
HOT WATER TO FIXTURES
EXPANSION TANK
HOT WATER RETURN
COLD WATER SUPPLY
1st HEATER
BOOSTER
HEATER