Roberts Gorden DAT100 - Manual (Page 34)

D UAL A IR ® H EATING AND COOLING U NITS I NSTALLATION O PERATION AND S ERVICE M ANUAL
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13.5 Gas Control Valve Maintenance (all models)
No regular maintenance is required on these
devices. To change gas control valves,
See Page
35, Step 16.1 and Page 39, Section 16.5.
Do not repair or disassemble on site.
Replace faulty gas valves with genuine
ROBERTS GORDON
® replacement parts.
13.6 Flue Fan
The flue fan should not require maintenance.
However, If the air pressure switch is causing burner
lockout then remove the flue fan from the vent box.
See Page 38, Section 16.4. Ensure that the fan is
free to run and that the fan wheel is clean.