State Industries SUF-130- 300/400/500 instruction manual Side Views

Side Views

1.Cleanout access panel, covers water heater cleanout opening.

2.CCB enclosure - see Figure 3 on page 9 for description.

3.120 VAC junction box. Incoming power supply and ground connections are made here - see requirements for Power Supply on page 9.

4.Intake air connection - 4 inch PVC.

5.Supply gas line connection. See Supply Gas Line on page 9.

6.Low Gas Pressure switch, see description under Figure 3 on page 9. See Table 4 and the Gas Pressure Requirements on page 9.

7.Water heater 24 VAC Gas Valve.

8.Water outlet pipe - 1 1/2” NPT connection.

9.VFD (variable frequency drive) blower motor drive - - see Figure 3 on page 9 for description.

10.UIM (user interface module). The UIM includes the display circuit board, the control system’s LCD display and

operational buttons. Used to adjust various user settings and view operational information. See Control System Operation on page 9.

11.Temperature-Pressure Relief Valve. See Temperature- Pressure Relief Valve on page 9.

12.Temperature-Pressure Relief Valve discharge pipe - see T&P Valve Discharge Pipe Requirements: on page 9.

13.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.

14.Water inlet pipe - 1 1/2” NPT connection.

15.Water heater drain valve.

16.Combustion Blower.

17.Vent connection (exhaust elbow) - 4 inch PVC.

18.Condensate trap with 1/2 inch PVC drain connection. See Figure 9 on page 9 and Condensate Drain Installation on page 9.

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	LEFT SIDE

Figure 4

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	RIGHT SIDE

Figure 5

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