SAMUEL JACKSON Humidaire Southwest, Service Manual

Page 1: ...HU SOUTHWEST 1480 Humidaire Southwest Gas Fired Humidaire Unit...

Page 2: ...isture Mirror II 57 Electrical Schematic with PLC Inputs 58 Electrical Schematic with PLC Outputs 59 Gas Piping 60 Recommended Minimum Pipe Sizes Table 61 LPG Gas Tank Installation Drawing 62 Cabinet...

Page 3: ...fe place until installation time This will help prevent some of the items from being misplaced or being used for other jobs Humidaire Unit installation will then go smoothly with no delays waiting or...

Page 4: ...ostics include automatic gas valve leak testing automatic testing of electrical interlocks and monitoring of the water system water tank level pump rotation overload relay and scanner adjustment All p...

Page 5: ...perating temperatures For the experienced user having independent temperature control is powerful and exciting For the new user it can be confusing With the Humidaire Speedometer a digital meter on th...

Page 6: ...rature settings Briefly stated the closer these two temperatures are together the higher the absolute humidity The burner fuel valve is automatically regulated to maintain the air temperature selected...

Page 7: ...ve additional warm up time for improved operation WHY IS THERE A DELAY AFTER I TURN IT ON After the burner start button is touched the combustion control computer begins opening and closing valves to...

Page 8: ...power is removed before diagnostics are completed To prevent lightning damage to controls in the off season it is a good idea to turn power off to the control cabinet until it is needed again HOW DO...

Page 9: ...ached at 125 F 49 C or if moisture condenses try raising the air temperature a few degrees Then re adjust the water temperature Call the factory if problems persist The maximum setpoint temperatures a...

Page 10: ...tank Also wash and scrub the strainer screen on the tank inlet to the water pump as well as the mist eliminator Use the plug in the bottom of the water pump to drain it Use an air hose to blow dust b...

Page 11: ...n will form even inside insulated lagged pipes When insulating moist air pipes it is recommended that the flange joints not be insulated The flanges are where most leakage will occur If the flanges ar...

Page 12: ...is desired Samuel Jackson offers the Delmhorst Model C 2000 Probes are available to measure cotton moisture using a bale probe module probe or cup electrode C 2000 Moisture Meter Part No 16001A shown...

Page 13: ...ontrol It can also automatically adjust the water temperature setpoint on the lint moisture Humidaire Unit supplying moist air to moist air applicators like the Steamroller and Moisture Tracker Refer...

Page 14: ...reen will appear Touch the button for the Humidaire Unit number you wish to access control functions for Press HUMIDAIRE 1 button to access control for the number 1 unit Press TARGET button to adjust...

Page 15: ...setpoint to try to maintain the desired target percent of moisture The water temperature will not be adjusted above the air temperature setting TIPS On dry hot afternoons adjust the air temperature s...

Page 16: ...minutes the average rate of evaporation in gallons per minute is calculated The Water Watch screen shows all three rate values in addition to the total cumulative gallon values and user resetable val...

Page 17: ...ned to automatically and continuously monitor water temperature for the operator By performing this function it provides consistent performance from the Humidaire Unit for all users experienced and no...

Page 18: ...ning season results in a clean machine for the beginning of the next season HOW TO USE THE DESCALER 1 Drain water and sludge from water tank of Humidaire Unit using 2 inch drain outlet 2 Clean Water P...

Page 19: ...bris in the header pipes The ball valve is located under the spray chamber bottom When the water is cool open the valve then use the JOG PUMP feature to run the pump Loose particles in the header pipe...

Page 20: ...re tunnel design keeps the performance of the HU SOUTHWEST from being greatly affected from just a few clogged nozzles Clogged nozzles can be identified by turning off flame opening a spray chamber do...

Page 21: ...water for the automatic purge system since the purge water is taken off the clean water discharge of the Hydro cyclone to reduce clogging of the purge system from debris in suspension With the water...

Page 22: ...history of past problems To access the log press the magnifying glass on the color touch panel s home screen go to page 2 then press VIEW ERROR LOG button Navigate through the log history by pressing...

Page 23: ...cknowledged ALARM condition is shown even if the Humidaire shuts down due to an ERROR Pressing the OK button will show consecutive ALARM conditions leading up to the shutdown ERROR EXAMPLE The flame e...

Page 24: ...pump from rapid cycling Check the lint flue scanner for proper alignment in the flue Check adjustment of the sensitivity and time delay on the scanner Remove any lint tags near scanner window Set the...

Page 25: ...ather water in it may be frozen which prevents the switch from working If all of the above are ok check the adjustment of the Water Pressure Switch WPS ERROR 113 WATER PRESSURE SWITCH FAILURE Water pr...

Page 26: ...The default value is 5 F Common problems that cause the TRU TEMP ERROR are Water nozzles need cleaning If several water nozzles are choked water temperature will fall and the Humidaire s performance...

Page 27: ...goes off and comes back on in less than 3 seconds If air flow is ok limits may be set too tight See Air Flow Switch adjustment section in TEST PROGRAM section of manual for adjustment of limits ERROR...

Page 28: ...Humidaire Unit s switches and safety devices each time the burner is started One of these checks is the GLPS If this switch is closed when it should be open the PLC will not permit the burner to star...

Page 29: ...ir volume too large Is the gas pressure too low Is the Gas Valve Motor GVM working and the linkage to the valve tight Is the screen on the inlet to the Safety Shut Off Valve SSOV clogged ERROR 133 EXC...

Page 30: ...D LAST 6 SHUTDOWNS Automatic gas leak testing has been interrupted for the past 6 shutdowns Each time the Humidaire Unit is turned off the PLC attempts to spend about 10 minutes performing an automati...

Page 31: ...146 BURNER FAILED TO IGNITE This ALARM means that the Humidaire burner failed to light during its ignition sequence See the maintenance tips later in this section ALARM 150 PURGE VALVE FAILED OR CLOG...

Page 32: ...interference between the spark plug wires and the flame electrode wires Separate the wires to help eliminate this interference ERROR 160 WATER THERMOCOUPLE WIRING REVERSED The water temperature shows...

Page 33: ...h This temperature sensor will only be exposed to flame or excessive heat when air through the Humidaire Unit is suddenly interrupted causing the flame to go in a direction other than the spray chambe...

Page 34: ...t all custom user settings will be lost ERROR 172 FLAME LASTS TOO LONG AFTER SHUTDOWN This error means that flame is detected for more than 12 seconds following closure of all gas valves This indicate...

Page 35: ...until gas is noticeable Make sure good ventilation is present and no one is smoking Check that power on terminals 1 and 3 on the electrical panel is between 103 and 125 VAC Check the spray chamber fo...

Page 36: ...hanging vertically down with no air flow before making any adjustments The TEST PROGRAM offers a methodical way to correct problems Access it by pressing the wrench button on the color touch panel s h...

Page 37: ...SETUP screen Now methodically press each button on the TEST PROGRAM screen to check and make adjustments before attempting to light the unit Details on each test follow Press the TEST PROGRAM button t...

Page 38: ...Pressing and holding the SSOV1 button area opens the upstream safety shut off valve allowing gas to fill the gas train The CAVITY CHARGED light should turn from red to green when the cavity is charged...

Page 39: ...errors and a loss of heat output while the pressure shown on gas pressure gage 1 GPG1 is normal of about 3 PSI The GPG1 pressure tap is upstream of the screen To clean the screen it is necessary to re...

Page 40: ...the side of the cabinet verify that no voltage is present then reverse two of the 3 phase leads going to the pump s Motor Contactor MC Refer to Water Valve Linkage Adjustment Drawing CAT2571A later in...

Page 41: ...vel If replacement of GVM is necessary in the future refer to the picture below for the adjustment of the three color coded rings under the cover of the motor This information is also shown in the hel...

Page 42: ...ents Both lights should be green If the Air Flow Switch light is red the range settings for the air flow may need to be adjusted To adjust the air flow range settings touch the page back button to go...

Page 43: ...It is not ok to coil the spare length of wires together Since the operating program makes a similar test during each trial for ignition the burner will not operate until this problem is corrected TES...

Page 44: ...Descriptions for the rest of the setups are shown below ANALOG SETTINGS Only the ANALOG AIR FLOW SWITCH button should be pressed here This is covered in TEST PROGRAM section The other two buttons ANAL...

Page 45: ...e necessary to adjust the cycle period to a greater time to keep the Humidaire cleaner The more water that is purged the harder the Humidaire has to work to heat the water thus increasing gas usage an...

Page 46: ...ition placing the unit in a standby state If cotton flow resumes within two minutes the valve position is restored and humid air returns quickly to the system If two minutes pass without cotton the wa...

Page 47: ...lame operation H20 SOFT START This feature allows control of how far the water temperature valve WBV will open this is the SOFT POST until the water temperature reaches a certain temperature SOFT TEMP...

Page 48: ...MARKED YELLOW AIR MARKED BLUE IN WATER TANK PREWIRED AT FACTORY HUMIDAIRE UNIT CABINET TO MOIST AIR PIPE BEFORE POINT OF APPLICATION STEEL CONDUIT WITH SHIELDED 2 CONDUCTOR 18 GA CABLE 4 HUMIDAIRE UN...

Page 49: ...OURS TYP 9 COMPRESSED AIR FOR FLUSH VALVE INCH PIPE 80 PSI MINIMUM PRESSURE AIR VOLUME IS NEGLIGIBLE 200 FEET SHIELDED 2 CONDUCTOR 18 GA CABLE SUPPLIED WITH HU SOUTHWEST Connect 3 power here Control t...

Page 50: ...e Scanner in the riser is after an elbow on the outer radius as shown This position gives the eye maximum exposure to the lint The lint flowing by also wipes the eye glass off Locate the scanner in an...

Page 51: ...feet 25 to 30 meters without difficulty TIPS Avoid an area in close proximity to the press pumps The extra heat generated by press pumps tends to hurt the performance of the unit Outside the USA some...

Page 52: ...o 20 PSI 0 3 to 1 4 bars The regulator installed in the Humidaire Unit will lower this to the proper level to be adjusted by serviceman at startup Ordinarily 1 inch pipe will be adequate but if more t...

Page 53: ...scale accumulation We can supply our Part No 14000 Powdered Acid Descaler in 50 pound pails for scale removal Please see the POWDERED ACID DESCALER section in this manual for details on this Heavy co...

Page 54: ...shield only on the electrical panel end Never run the shielded sensor wires with the power wiring including 120 VAC control wires You can run several shielded 4 20mA shielded wires together in the sa...

Page 55: ...tube of high temperature clear silicone sealant is included with the HU SOUTHWEST shipment Run a bead of silicone sealant around the flange joints connecting the outlet hood to the spray chamber see...

Page 56: ...is interrupted for a few seconds MOUNTING THE CONTROL The 14900A Lint Flue Scanner should be mounted in a flat area of the lint flue usually in the riser to the battery condenser Avoid locations where...

Page 57: ...he control does not operate properly follow the steps below An AC voltmeter is the only test equipment needed 1 Remove the scanner from its mount Look through the window and see if cotton can be seen...

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Page 62: ...egulator and the normally open vent valve NFPA National Fire Protection Association 86 states 3 3 4 3 2 Regulators shall be vented to a safe location where vented gas cannot re enter the building with...

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Page 70: ...AIR PRESSURE GAGE 13706 GRP 95 227 0 160 LOWER CABINET BALL FLOAT BALL FOR WATER INLET VALVE 11068A R1340 5 4 WATER TANK BS1 BAND SEAL 3 INCH 15407 3 X 3 WATER PUMP INTAKE BS2 BAND SEAL 3 INCH 15407...

Page 71: ...CH OD WATER PUMP DISCHARGE FLANGE FIR FAN INTERLOCK RELAY 17446 IDEC RH1B 120VAC OR 17597 IDEC RH2B U 240VAC UPPER CABINET FLR FLAME RELAY 20107 LFE10 UPPER CABINET FM1 WATER FLOW METER 21367 S130 LOW...

Page 72: ...LVE MOTOR 21330 46050 3 DMA30B120 MIDDLE CABINET HEAD1 HEADER PIPE LONG 21385A 2 INCH SS X 28 5 HOLES SPRAY CHAMBER HEAD 2 HEADER PIPE SHORT 21799 2 INCH SS X 15 2 HOLES SPRAY CHAMBER HYD HYDRO CYCLON...

Page 73: ...11069 BRASS 10 INCH WATER TANK SAV SOLENOID AIR VALVE 13563 4 WAY 120 60 110 50 8340G1 LOWER CABINET SCHT SPRAY CHAMBER HIGH TEMP SWITCH INITIALLY SET TO 350 F 20526 E5C2 R20K 1112F THERMOCOUPLE 2051...

Page 74: ...TH GASKET 19375 2 INCH WATER PIPE VIC4 PIPE COUPLING WITH GASKET 21363 3 INCH HYDRO CYCLONE WATER OUTLET WATV WATER FLOAT VALVE 14742 R 400 3 4 V WATER TANK WBV WATER BUTTERFLY VALVE 14980A BUTTERFLY...

Page 75: ...R MFR S TYPE LOCATION WPS WATER PRESSURE SWITCH 19183 FRG22J19 UPPER CABINET WPV WATER PURGE SOLENOID VALVE 18639 US06479 LOWER CABINET WP50 7 HP WATER PUMP FOR 50 HZ LESS MOTOR 21516A 4SS85 6 9 16 IN...

Page 76: ...L JACKSON INCORPORATED 2005 ALL RIGHTS RESERVED WATER FLOW DIAGRAM A diagram for the water flow through the HU SOUTHWEST is shown below Refer to the previous component drawings and component lists for...

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Page 78: ...AFT SEAL KIT ASSEMBLY Normal Samuel Jackson repair part numbers 21360 Water Pump for 60 HZ 5 1 2 Inch diameter Trim Impeller 21516A Water Pump for 50 HZ 6 9 16 Inch diameter Trim Impeller 21904 5 1 2...

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Page 80: ...e only machine that can consistently take cotton lint to maximum safe moisture levels under all conditions Warm moist air from a Humidaire Unit is pushed into the bottom of the Steamroller where it mu...

Page 81: ...for lint cotton conditioning The Lint Slide Grid is popular with smaller gins taking their first steps with moist air technology due to the economics of the grid design The lint batt flows from the ba...

Page 82: ...a hopper an air valve at the hopper closes off the moist air to prevent saturating the cotton To prevent disturbing the airflow through the Humidaire Unit the 13860 RELIEF PLUG ASSEMBLY is included w...

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Page 84: ...TED 2005 ALL RIGHTS RESERVED A drawing showing the basic installation of the 13860 Relief Plug Assembly is shown below Depending on the Conditioning Hopper installation this device may be located else...

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Page 86: ...ns to meet the particular requirements Implementation of alternative safety devices may incur additional charges No warranty of compliance with a particular standard is made in the absence of specific...

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