American Dryer Corp D-78 installation manual Preoperational Tests

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I. PREOPERATIONAL TESTS

ALL dryers are thoroughly tested and inspected before leaving the factory. However, a preoperational test should be performed before the dryer is publicly used. It is possible that adjustments have changed in transit or due to marginal location (installation) conditions.

1.Turn on electric power to the dryer.

a.Open ALL shutoff valves.

2.Refer to the Operating Instructions for starting your particular model dryer.

a.When the dryer is first started (during initial start-up), the burner has a tendency not to ignite on the first attempt. This is because the gas supply piping is filled with air, so it may take a few minutes for this air to be purged from the lines.

1)A gas pressure test should be taken at the gas valve pressure tap of each dryer to assure that the water column (W.C.) pressure is correct and consistent.

a)If the dryer is equipped with a Direct Spark Ignition (DSI) system, the DSI control module has internal diagnostics. If ignition is not established within three (3) attempts, the heat circuit in the DSI control module will “LOCKOUT” until manually reset. To reset the DSI system, open and close the main door and restart the dryer.

b)If the dryer is equipped with a Hot Surface Ignition (HSI) system, the HSI control module has internal diagnostics. If ignition is not established after the first attempt, the heat circuit in the HSI control module will “LOCKOUT” until manually reset. To reset the HSI system, open and close the main door and restart the dryer.

NOTE: During the purging period, check to be sure that ALL gas shutoff valves are open.

NOTE: Water column pressure requirements (measured at the pressure tap of the gas valve body)...

Natural Gas --------------------- 3.5 Inches (8.7 mb) Water Column.

Liquid Propane (L.P.) Gas ---- 10.5 Inches (26.1 mb) Water Column.

IMPORTANT: There is no regulator provided in an L.P. dryer. The water column pressure must be regulated at the source (L.P. tank), or an external regulator must be added to each dryer.

3.Make a complete operational check of ALL safety related circuits:

a.Door switch(es)

b.Hi-Limit thermostats

c.Sail switch

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Contents Installation Manual Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Reversing Timer SPIN/DWELL Adjustments Receiving and Handling Important InformationWhat to do if YOU Smell GAS Safety PrecautionsPage Specifications SPECIFICATIONS/COMPONENT IdentificationSpecifications Component Identification Page Location Requirements Installation ProceduresUNPACKING/SETTING UP Dryer Enclosure Requirements Fresh AIR Supply Requirements General Exhaust Ductwork Information Exhaust RequirementsPage Page Page Electrical Requirements Electrical Information78 Gas Page Ground SINGLE-PHASE 1Ø Electrical Connection LeadsPage Page GAS Information Type of GAS Page Page Preparation for OPERATION/START-UP Preoperational Tests Basket Tumbler Coating Selection can be made Preoperational InstructionsShutdown Instructions SERVICE/PARTS Information ServiceParts Warranty Information Returning Warranty CardsWarranty Routine Maintenance CleaningSuggested Cleaning Schedule Lubrication AdjustmentsOPL Dual Timer Models only Reversing Timer SPIN/DWELLADJUSTMENTSData Label Data Label InformationSerial Number OPL Sensoractivated Fire Extinguishing F.E. System F.E. System In ActionBefore YOU Start Check Local Codes and Permits InstallationTypical water supply Optional Manual Bypass System Reset Sensor Activated Fire Extinguishing S.A.F.E System SensorActivated Fire Extinguishing S.A.F.E. System Coin Sensor Activated Fire Extinguishing F.E. System Installation Typical water supply Optional Manual Bypass Disabled Sensor Activated Fire Extinguishing S.A.F.E. System Sensor Activated Fire Extinguishing S.A.F.E System Qty ADC113373 04/01/02-25 12/12/02-25
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