Sterling SDA 1000-5100 specifications Process Heater Box Assembly

1.Remove the bolts securing the process heater access cover.

2.Sketch the heater wiring configuration so the heaters may be re-wired properly. Heaters are mounted on a common plate of three or six for easy maintenance.

3.Remove the jumper bars and wires for the heater plate assembly(ies) being removed or replaced.

4.Remove the bolts securing the heater plate assembly and slide out the assembly. Avoid damaging the gaskets.

5.Remove individual heaters for replacement by removing the large brass nuts and washers.

6.Re-install the heaters and heater plate assemblies in reverse order, replacing gaskets if necessary.

Caution! Heater loops should not touch each other. "Hot spots" will lead to premature heater failure.

7.Re-install the jumper wires and bars according to the sketch made earlier.

8.Re-secure the process heater access cover.

Figure 19: Process Heater Box Assembly			Stainless Steel
			Heater Housing
	High		Cover
	Temperature	Heater Elements
	Gasket
		Double Wall
		Stainless Steel
		Heater
Heater Elements		Housing
		High
Heater Element		Temperature
Mounting Plate		Gasket
		Heater Element
		Mounting Plate
	Double Wall
	Stainless Steel
	Heater
	Housing
	High
	Temperature
Heater Assembly	Gasket
Gude Bars			Heater Assembly
Stainless Steel			Gude Bars
Heater Housing
Cover
Hex Nut For	Heater Element
Securing the Heater	Mounting Hex Nut
Wire	High Temperature	Heater Element
Washer	Washer / Gasket
Heater Wire with
Crimped on Closed
Loop Connector
Heater Mounting	Heater Element	Heater Assembly
	Bulkhead Fitting	Guide Bar
Plate

Replacing the Regeneration Heater (Electric Dryers)

The regeneration heaters are wired in the delta formation, mounted in the core of the descant tanks.

DANGER! Disconnect and lock out power before heater replacement.

Large Dehumidifying Dryers Maintenance 47