State Water Heaters SUF 60120 THRU, Инструкция по эксплуатации

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9
LEFT SIDE RIGHT SIDE
1
1
10
12
11
15
15
8
3
3
14
4
13
5
6
7
4
16
2
2
9
5
Figure 4. Left-Side and Right-Side Components
SIDE VIEWS
1. Cleanout access panel, covers water heater cleanout opening
and ASME plate where applicable.
2. CCB enclosure - see item 3 in
Components- Top View (All Models)
(page 8) for description.
3. Intake air connection - three-inch PVC.
4. Water heater 24-volt gas valve.
5. Combustion Blower.
6. Water outlet - 1 1/2” NPT connection.
7. UIM (user interface module). The UIM includes the display circuit
board and the control system’s LCD Touch Display. Used to
adjust various user settings and view operational information.
See
Control System Operation
(page 45).
8. Temperature-Pressure Relief Valve. See
Temperature-Pressure
Relief Valve
(page 15).
9. Temperature-Pressure Relief Valve discharge pipe - see
T&P
Valve Discharge Pipe Requirements
(page 15)
10. Lower Temperature Probe, 1 of 2 temperature probes. The water
heater’s control system monitors this probe to detect water
temperature in the lower portion of the storage tank.
11. Water inlet - 1 1/2” NPT connection.
12. Water heater drain valve.
13. Supply gas line connection. See
Gas Supply Systems
(page
13) .
14. Low Gas Pressure switch, see item 9 in
Components- Top View
(All Models)
(page 8) for a description. See the gas pressure
requirements listed in
Table 4
(page 11).
15. Vent Connection (Exhaust/Condensate Elbow) three-inch
aluminum.
16. Spark Ignition Transformer. When energized, sends the
electrical current to the spark igniter.