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| Air Intake Filter |
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Air Output, Air Intake, | Filter End |
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and Lint Filters |
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Cover | Fan Guard | |||
1. | Remove upper shell (see |
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| page 10). |
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2. | Remove filter end cover |
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| screws using 5/16" nut- |
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| driver. | Lint Filter |
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3. | Remove filter end cover. |
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Air Output |
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4. | Replace air output and lint |
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Filter |
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| filters. |
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5. | Wash or replace air intake |
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| filter (see Preventative |
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| Maintenance Schedule, | Figure 20 - Air Output, Air Intake, and Lint Filters, | ||
| page 8). | 30/70,000 BTU/Hr Models |
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6. | Replace filter end cover. | Air Intake Filter | Fan Guard | |
7. | Replace fan guard and | |||
| (90,000 BTU/Hr | |||
| upper shell. | Filter End | Model Shown) | |
IMPORTANT: Do not oil | Cover |
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filters |
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| Lint Filter |
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| Air Output |
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| Filter |
| Figure 21 - Air Output, Air Intake, and Lint Filters, | ||
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| 90/150,000 BTU/Hr Models | |
Pump Pressure |
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Adjustment |
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| (30/70,000 BTU/Hr Models Shown) |
1. Remove pressure gauge |
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plug from filter end cover. | Pressure |
| Relief |
2. Install accessory pressure |
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Gauge |
| Valve | |
gauge (part number |
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Plug |
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HA1180). |
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3. Start heater (see Operation, |
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page 7). Allow motor to | PRESSURE GAUGE PLUG | PFA/OV 006B | |
reach full speed. | Figure 22 - Pressure Gauge Plug Removal | ||
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4. Adjust pressure. Turn relief |
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valve to right to increase |
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pressure. Turn relief valve |
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| Pressure |
to left to decrease pressure. |
| Pump | |
| Gauge | ||
See specifications at right | Model |
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Pressure | |||
for correct pressure for | 30,000 BTU/Hr | 2.6 PSI |
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each model. | 70,000 BTU/Hr | 3.8 PSI |
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5. Remove pressure gauge. | 90,000 BTU/Hr | 4.4 PSI |
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Replace pressure gauge | 150,000 BTU/Hr | 4.9 PSI |
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plug in filter end cover. |
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| Figure 23 - Adjusting Pump Pressure |
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