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

Страница: 69 / 76

69
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. S
e
e
Thermal Expansion
D
QG
Closed W
a
ter Systems
(page
15).
ONE WATER HEATER, SINGLE TEMPERATURE WITH HORIZONTAL STORAGE TANK FORCED 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. 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.
LEGEND
TEMPERA
T
URE &
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
TEMPERA
T
URE 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
PIPE T&P TO OPEN DRAIN
HOT
WATER
TO FIXTURES
CIRCULATING PUMP
ALTERNATE LOCATION
COLD WATER SUPPLY
EXPANSION TANK
5.
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KHDWHU
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W
DQN
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D
EXLOGLQJ
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ORRS
ZLUH
DFFRUGLQJWR
Figure 63
(page 65).
6.
,I
D
SXPS
LV
EHLQJ
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LQ
D
UHFLUFXODWLRQ
ORRS
EHWZHHQ
WK
H
ZDWHU
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Figure 63
or
Figure 64
(page 65).