1LTD HeaterMODEL # LTD - 18MANUAL # PNEG-595Owner'sManual
10LTD HEATER INSTALLATIONNote: The optimum distance theheater should stand away from thefan inlet has been experimently de-termined. If there are any
11LTD HEATER INSTALLATIONLTD HEATER ELECTRICAL INSTALLATION (230V FANS)1. Connect power cord to fan con-trol box.2. Make field connections of wiresin
12LTD HEATER INSTALLATIONLTD HEATER ELECTRICAL INSTALLATION (460V FANS)1. Connect power cord to fan con-trol box.2. Make field connections ofwires in
13LTD HEATER INSTALLATIONAIRSTREAM SURFACE MOUNT HUMIDISTAT (EDS SYSTEMS ONLY)1. The humidistat can be used todirectly control the operation ofa heate
14LTD HEATER INSTALLATIONSURFACE MOUNT HUMIDISTAT (AS A HEATER CONTROL)BOTH HUMIDISTAT AND THERMOSTAT MUST BE CLOSED FOR HEATEROPERATIONREDRAWREDRAW
15LTD HEATER INSTALLATIONAll modelsVapor modelsNatural gasmodelsInside diameterBolt circle diameterLengthBTU ratingWeightMaximum fuel flow (GPH)Orific
16BTU'S PER GAUGE PRESSURE (PSI) NATURAL GAS MODELS (APPROXIMATE)LOW TEMPERATURE7383040635386053228504289100325080022052001144100Operating Pressu
17LTD HEATER OPERATIONYour LTD heater is equipped witha modulating valve. The followingmaterial should be read thor-oughly.1. The modulating valve reg
18LTD HEATER OPERATIONThe following tables are generalvalues for equilibrium moisture con-tent. The equilibrium moisture con-tent is the moisture cont
19LTD HEATER OPERATIONEQUILIBRIUM MOISTURE TABLE FOR SORGHUM % WET BASISTemp.degrees35404550556065707580859095100106.26.16.16.06.05.95.95.85.85.75.75.
2LTD HEATER CHECK LIST9OK_____ 1. All wire connections_____ 2. Electrical connection visual inspection andfastener tightness_____ 3. Spark plug gap .1
20LTD HEATER OPERATIONEQUILIBRIUM MOISTURE TABLE FOR WHEAT (SOFT) % WET BASISTemp.degrees35404550556065707580859095100106.36.26.16.05.95.95.85.75.75.6
21LTD HEATER WIRING DIAGRAM
22LTD HEATER PARTS18" GAS HEATERPart NumberHF-6785HH-3933HH-4410HF-7073HF-6062-18HF-7380HF-7379TFH-2046HF-983HF-978HH-4416HH-4421F-953HH-1650HF-1
23LTD HEATER PARTSAXIAL PROPANE VAPOR & NATURAL GAS PIPETRAINPart NumberHH-1077HH-3670TFC-0032HH-2029HH-2984S-3853HH-1083CD-0149HF-7085HH-2653Key1
24LTD HEATER PARTSCONTROL BOX PARTSPart NumberF-942HH-1487HF-7318HH-1092FH-4429-1HF-7211HF-7046DC-1166TFH-2021HH-1442Key12345678910DescriptionControl
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26A I R S T R E A M G R A I N C O N D I T I O N I N G S Y S T E M S1004 E. Illinois St.Assumption, IL 62510phone 217-226-4421fax 217-226-4498Oct
3LTD HEATER OPERATING INSTRUCTIONSTABLE OF CONTENTSWarranty...
4WARRANTYEXCEPT FOR THE ABOVE STATED EXPRESS LIMITED WARRANTIES, GSI MAKES NO WARRANTYOF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION
5ROOF WARNING, OPERATION & SAFETYROOF DAMAGE WARNING AND DISCLAIMERWARNING! BE ALERT!Personnel operating or working aroundelectric fans should re
6SAFETY ALERT DECALSThe GSI Group, Inc. recom-mends contacting your local powercompany, and having a represen-tative survey your installation so thewi
7LTD HEATER INSTALLATIONFUEL CONNECTIONImportant! Do not use propane tanks which have previouslybeen used for ammonia unless they have been purged ac-
8LTD HEATER INSTALLATIONBE SURE POWER ISDISCONNECTED AND LOCKEDOUT BEFORE INSTALLATION!FAILURE TO DO SO MAY CAUSESERIOUS INJURY OR DEATH.1. Place heat
9LTD HEATER INSTALLATION4. Lift heater and align pairedbrackets as shown and insertbolts in corresponding slots asin table below. Be sure to placewash
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