A.O. Smith ATX-199, Инструкция по эксплуатации

Страница: 70 / 76

70
W
A
TER PIPING DIAGRAMS
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1. See
Mixing V
a
lves
(page 14).
2. See
Dish-washing Machines
(page 15).
3. See
W
a
ter Line Connections
(page 44).
4. See
Thermal Expansion
DQG
Closed W
a
ter Systems
(page 15).
TWO WATER HEATERS, SINGLE TEMPERATURE W
ITH 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. However
, local codes shall govern their usage.
LEGEND
TEMPERA
T
URE &
PRESSURE RELIEF V
A
L
V
E
PRESSURE RELIEF V
A
L
V
E
CIRCULA
TING PUMP
TEMPER
A
TURE CONTRO
L
PROBE
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
ARNING:
THIS DRA
WING SHOWS SUGGESTE
D
PIPING CONFIGURA
TION
AND OTHER DEVICES;
CHECK WITH LOCAL
CODES
AND ORDINANCES
FOR ADDITIONAL
REQUIREMENTS.
ANY
MA
TERIA
L
, 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
HOT WATER TO FIXTURES
COLD WATER SUPPLY
EXPANSION TANK
PIPE T&P TO OPEN DRAIN
PIPE T&P TO OPEN DRAIN
Tee F
itting
5.
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D
EXLOGLQJ
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Figure 63
(page 65).
6.
,I
D
SXPS
LV
EHLQJ
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ORRS
EHWZHHQ
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H
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Figure 63
or
Figure 64
(page 65).