Express Service Manual
Contents
1. missing if you have questions please call our customer GG SP service department at 800 548 3373 or 479 636 5776 Express Service Program 4 Theory of Operation 4 Mechanical 4 Electrical 5 Returned Goods Policy Central System Diagnostic Chart 8 10 Parts Breakdown Parts List 11 Any item returned for warranty consideration or for credit must 600REY WCY 11 have a RETURN AUTHORIZATION NUMBER Call our Customer 1100WCX 11 Service Department and discuss the nature of your request Please note that all items returned must be returned F O B Rogers 2000REY WCY 12 Arkansas No collect or C O D shipments will be accepted unless Remote Stations 13 14 prior arrangements with our Customer Service Department have Spray Guns 15 been made restocking fee may be applied to items for credit that are not under warranty To reach our Customer Service Department call 800 548 3373 or 479 636 5776 or write to Spray Master Technologies 115 E Linden Street Rogers Arkansas 72756 SMT WARRANTY LIMITED Effective November 1 2008 PARTS SMT warrants parts for wall mounted and rack mounted 600 series and 2000 series machine to be free from defects in material or workmanship for a period of 2 years from the date of purchase from date of shipment from factory if proof of purchase is missino to the original purchaser excluding items listed below SMT warrants parts for all other machines wall mounted 1100 series ma2. 1 300 1304 CLAMP TUBING 5 16 1 2 300 2756 FRAME PLATE 1 EME x p gt ps m Pes a Figure 6 1100WCX E 300 0038 MOTOR ASSEMBLY OOWCX xploded View MOTOR ASSEMBLY IOOWCK 2 MASTER CONTROL PANEL ASSEMBLY 1 100WCx 3 300 2888 RELAY ICE CUBE NOT SHOWN 4 300 2849 FUSE 1 4 AMP 230V NOT SHOWN FUSE 1 2 AMP 115 NOT SHOWN 6 TIMER 30 MINUTE NOT SHOWN TIMER 15 MINUTE NOT SHOWN 8 3099 CONTACTOR 2 POLE 30 AMP NOT SHOWNJ TRANSFORMER 24 VAC NOT SHOWN CIRCUIT BREAKER 3 AMP NOT SHOWN 365 5880 PUMP ASSEMBLY 2 CPM IN OIL ISO 68 21 OZ BOTTLE NOT SHOWN SEAL KIT REBUILD 2SF NOT SHOWN VALVE KIT REBUILD 2SF NOT SHOWN 300 1104 UNLOADER INTERNAL SPRING THERMAL VALVE 140 F HOSE 1 2 CLEAR NYLEX BY THE FOOT HOSE CLAMP 5 16 7 8 104 115 COVER STAINLESS STEEL 1100WCX BLEEDER VALVE ASSEMBLY 1100WCX FOOT SCREEN CHEMICAL PICK UP TUBING 1 4 CLEAR NYLEX BY THE FOOT CLAMP TUBING 5 16 1 2 S E z PRESSURE SWITCH WATER SUPPLY 300 211 300 0 DET lt Parts Breakdown Parts List Figure 7 2000REY WCY Exploded View NO PART NUMBER DESCRIPTION 300 0041 MOTOR 2000 REY WCY 208 230V 300 1883 MASTER CONTROL BOX 2000 REY WCY 300 2888 RELAY ICE CUBE NOT SHOWN 300 2848 FUSE 1 4 AMP 230 NOT SHOWN 300 3790 TIMER 3 SEC NOT SHOWN 300 19 19 CONTACTOR 2 POLE 30
3. 30 1390 QUICK CONNECT SHUT OFF Parts Breakdown Parts List Figure 10 Spray Gun Nozzle Assembly Exploded View 00 1088 TRIGGER GUN 300 3480 LANCE 36 300 0182 24 3 300 0192 SELECTOR DUAL NOZZLE PART NUMBER DESCRIPTION QTY 3 NOZZLES HIGH PRESSURE 300 3360 25040 2 2 GPM PUMP 300 3362 25045 3 2 GPM PUMP 300 3375 25070 2 9 GPM PUMP 300 0254 25075 4 0 GPM PUMP NOZZLES LOW PRESSURE 300 3410 2530 ALL MODELS VARI NOZZLES HIGH LOW PRESSURE 300 3440 1 3 2 2 GPM 1100 PSI 300 3435 1 4 3 2 GPM 2000 PSI 300 3427 1 7 2 9 GPM 850 PSI 300 2863 1 8 4 0 GPM 1800 PSI QUICK CONNECT SOCKET SHUTOFF FOR CENTRAL SYSTEMS 300 1120 NIPPLE HEX 3 8 FOR USE WITH 000 0041 GUN amp NOZZLE ASSEMBLY QUICK CONNECT SOCKET FLOW 000 0242 THRU FOR WALLMOUNT amp PORTABLE SYSTEMS 15 SM Spray Master Technologies spraymastertech com SPRAY MASTER TECHNOLOGIES A product line of Assembled Products Corporation 115 E Linden Street Rogers Arkansas 72756 479 636 5776 800 548 3373 SMT CSYSEXPRESS SM 130808 EN Price and specifications are subject to change without notice Printed in the USA
4. NOT SHOWN TRANSFORMER 24V AC NOT SHOWN 200 1025 CIRCUIT BREAKER NOT SHOWN 300 2584 PUMP ASSEMBLY 3 2 GPM 2000 REY PUMP ASSEMBLY 4 0 300 1641 2000 PWCX 00 016 AU 000 P OIL ISO 68 21 OZ BOTTLE 2 REQUIRED 300 3587 SEAL KIT REBUILD ASF NOT SHOWN VALVE KIT REBUILD 4SF SHOWN QUICK CONNECT SOCKET F T S S MIPT 15 UNLOAD ASSERT RENE 16 UNLOADER BLUE SPRING BASIC FLOW SWITCH CHEMICAL ENABLE 21 300 1671 FLOAT TANK ASSEMBLY 2000 REY FLOAT VALVE 2 REQUIRED 25 sas ORT SWIC 24 FILTER BULB 300 2726 TANK BOTTOM T Xeno CENT UU TM 28 00 1250 AMP HO a X 778 29 300 1967 BLEEDER VALVE ASSEMBLY 30 300 3798 HOSE WATER SUPPLY Y OUTPUT 6 BALL COCK SOLENOID CHEMICAL CONTROL 32 FOOT SCREEN CHEMICAL PICK LIP TUBING 1 4 CLEAR NYLEX CLAMP TUBING 5 16 X 1 2 12 Parts Breakdown Parts List Figure 8 Surface Remote Stations Exploded View PART NUMBER DESCRIPTION we covmiocmmE 2 ses a 3018 CONTROL PANEL WMH TOUCHPAD AND CIRCUTBOARD 1 4 3n TOUHPADON r s sm s 515 ouek connect soror 1 GUI KE COHHEZT Lo c 13 Figure 9 Recess Mount Remote Stations Exploded View 14 Parts Breakdown Parts List DESCRIPTION CIRCUIT BOARD ONLY
5. Black wire 24V AC motor control signal in from remote station e Green wire 24V AC soap control signal in from remote station e Brown wire 24V sanitizer control signal from remote station All remote stations are connected in parallel through the 5 conductor shielded cable Each remote is spliced into the main trunk of the control cable by color matching and connecting the wires at each splice Refer to Figure 4 Remote Station Control Panel When power is initially applied to each remote station the Remote Station Control Panel will power up in the READY state with the indications and outputs as shown Touch pad button Lamp Control signal Lead wire Output signal ON off Motor control Black 0 volt READY on n a OFF on n a SOAP off Soap control Green 0 volt HWH RINSE on n a IN SANITIZE off Sanitizer control Brown 0 volt 24 VOLTS 4 AUTOMATIC TIMER press ON to reset I SHUT OFF amp RELEASE li The remote stations will remain in the READY state until is operated with the or ot ring Pressure touch pad buttons on its control panel or another remote is operated When the ON button is pressed the ON lamp illuminates the READY lamp and OFF lamp will extinguish and 24V AC will be present at the motor control signal output ON SOAP black wire The motor control output must be active for either the soap or sanitize controls to be active regardless of what t
6. RERO UTED GROUND WIRE TO BE SP LK ED TO 4 29 09 M1 Pump Assembly pui CELLO WIRE COMING OUT OF TRANSFORMER INTO S POLE BARRIER Wiel CHANGED NOMENCLATURE OF DRAWING 600REY 600WCY 3 28 08 WARNING CHANGED BLACK AND WHITE LINE POWER IN WIRES TO 186 LINE L1 AND LINE L2 OR NEUTRAL 8 15 07 GFCI REQUIRED IN SUPPLY CIRCUIT 37 EUN DELETED 115 VAC FROM TRANSFORMER ALL CONNECTIONS MUST BE RATED FOR WET LOCATIONS MUST COM 120 ADDED HOUR METER 9 13 02 ECN amp DESCRIPTION OF CHG BY DATE 300 2837 Figure 3 SMT Central System Wiring Diagram Theory of Operation Electrical cont Control Circuits Control circuits within SMT central systems are 24 Volt AC low voltage The control circuits include the 24V AC power circuit water condition sensors circuit remote stations circuit motor control circuit chemical control circuits and the line pressure release circuit 24V AC power circuit provides low voltage AC for all control circuits Line voltage to the system is picked off of the contactor line terminals and applied through fuse to the multi tap input of the 24V transformer T1 F1 requires a 1 4 amp slow blow fuse for 208 and 230 volt inputs or 2 amp slow blow fuse for 115 volt input Voltage is applied to Transformer T1 through one of three leads of the primary winding The multi tap primary leads permit system operation on 115 208 230 volts AC The 24volt output is routed
7. or board or touch touch pad pad Chemical injector SMT1100 only clogged or clean or replace sticking check valve Excessively High Pressure Gauge pressure exceeds Pressure gauge faulty indication replace gauge maximum listed on pump head Nozzle wrong size or replace with correct size or blocked remove obstruction Unloader maladjusted adjust unloader for pressure gauge indication of 50PSI less than MAX PRESSURE indicated on pump head Spray gun partially opened clean or replace or clogged Quick Connect partially opened clean or replace fittings or clogged Hoses restricted clean or replace Burnt Contactor Contactor burnt contacts Line voltage too low Check electrical power by electrician drops under load Check electrical power by and stays low electrician Drops under initial Check electrical power by load electrician Relay K10rK2 Idefective relay or replace relay or socket relay socket Control cable Loose or damaged repair splice or tighten wire in control connection cable Parts Breakdown Parts List Figure 5 600REY WCY 300 0040 MOTOR ASSEMBLY 00 REY AWCY PRE WIRED 115 300 004 1 MOTOR ASSEMBLY 600REY AWCY PRE WIRED 208 230 Exploded View a Laag rena sec 3002861 TRANSFORMER 24VAC NOT SHOWN 200 1025 CIRCUM BREAKER 3 AMP NOT SHOWN 300 2583 PUMP ASSEMBLY 2 9 GPM 600REY A CY 1
8. regardless of the operating pressure The orifice is a part of the nozzle on the end of the spray gun The volume of water and the orifice size can be varied resulting in a corresponding change in the operating pressure of the system The following paragraphs explain the function of system components and flow sequence in SMT pressure cleaning systems This brief theory of operation will provide a service tech with information necessary to quickly diagnose and correct any malfunction of the system Water Flow Refer to Figure 1 Simplified SMT Central Pressure Cleaning System for the following discussion The key plumbing components of a basic SMT Central Pressure Wash System consists of 7 water filter 2 water supply float tank 3 float switch 4 pump 5 unloader valve 6 chemical inhibit flow switch 7 bleeder valve 8 interconnecting hi pressure tubing 9 remote stations 10 hi pressure hose 11 spray gun nozzle 12 line pressure release valve and 13 thermal limit switch Unloader Valve Float Tank Float Switch Water Filter Recirculate Line Thermal Limit Switch Line Pressure Release Hose Valve Figure 1 Simplified SMT Central Pressure Cleaning System Chemical Inhibit Flow Switch Remote Station The water supply source to the system must provide a minimum flow of five gallons per minute at 30 PSI and should be filtered through a high quality filter to eliminate contaminates that will c
9. size of the orifice in the nozzle determines the maximum pressure that can be achieved with the flow rate provided by the pump The smaller the orifice the higher the pressure Most SMT systems are equipped with a dual nozzle selector and two nozzles The nozzle with the small orifice will produce high pressure while the nozzle with the large orifice produces low pressure Note Selecting the correct nozzle size for the system is critical to the correct operation and cleaning effectiveness A nozzle with too small an orifice will result in less water flow and reduced cleaning effectiveness and may result in too high pressure overloading the motor A nozzle too large will result in lower pressure and reduced cleaning effectiveness During operation when the spray gun trigger is released pressure builds in the system until it overcomes the tension on the unloader spring and activates the unloader assembly When the unloader assembly is activated it locks pressure into the output line to the spray gun and redirects the flow of water at low pressure through the recirculate line back to the system float tank Recirculation will continue until the line pressure is reduced by reactivating the trigger on the spray gun This unloading feature prolongs the life of the pump and motor by removing the strain on the pump and motor during periods when the spray gun is inactive Theory of Operation Electrical Electrical Requirements The electrical requireme
10. Mids Spray Master Technologies spraymastertech com Express Service Manual Central Systems 600REY 600WCY 1100WC X 2000REY 2000WC Y You have just purchased the best spray washer on the market today It incorporates the very latest in technological advances To assure you the best and safest performance as well as longest equipment life please read the enclosed information After reading the material in this manual should you have a service problem or need help please call our toll free number 1 800 548 3373 or 479 636 5776 TERMS All parts will be shipped with check in advance or C O D Commercial accounts are allowed 15 day terms from date on invoice with approved credit FREIGHT All freight will be paid by the customer Special consideration will be given to items under warranty coverage IMPORTANT DOCUMENT DO NOT DISCARD NOTE Specifications found in this manual subject to change without notice FOR COMMERCIAL USE ONLY Report to shipping carton contents Receiving 2 to the freight carrier File a claim with the carrier within 10 days if Returned Goods Policy 5 damage is evident The manufacturer is not responsible for damage to the equipment caused by the freight carrier Warranty 2 Service Requirements 3 Package Contents Carefully check the contents of the shipping Service 3 cartons to ensure the contents agree with the packing list If items
11. anitize circuitry operation is identical When the operator selects Soap the remote station Control Panel will send 24V AC out the green lead through the 5 conductor cable to Terminal Block TB1 pin 3 of the Master Control Panel From TB1 3 the 24V AC is routed to the coil of Soap Solenoid SOL 1 SOL1 is connected in series with Chemical Inhibit Switch SW3 to the 24V AC return If SW3 is closed indicating that water is flowing out to the spray gun the Solenoid is activated and chemical is injected into the flowing water If the spray gun is closed and the water is re circulated to the float tank rather than through the flow switch the flow switch SW3 is open and the chemical solenoids are disabled Only one chemical control circuit can be enabled at a time The Line Pressure Release Circuit controls the Line Pressure Release Valve SOL3 to automatically release pressure from the system upon turning the pump off The line pressure release circuit is driven by the normally closed output of Motor Control Relay K2 When the pump is turned OFF by the control panel Relay K2 is de energized sending 24V AC from the relay to solid state 3 Second Timer A1 pin 3 Upon receiving the 24V AC signal 1 energizes SOL3 for three seconds to open the solenoid and release any pressure that may remain in the pressurized output lines SOL3 is de energized and closes the Line Pressure Release Valve at the end of three seconds or immedi
12. ately upon turning the pump back ON Central System Diagnostic Chart Preliminary Checks Check the following items to ensure that any problems with operation are not caused by conditions external to the SMT Central system 1 Circuit Breaker in the main panel is reset 2 Service disconnect at pump is ON 3 Water supply hose bib is fully open 4 Water supply temperature is less than 140 F Check all wiring to ensure all connections are secure and no wires have been damaged Verify the wiring is correct in accordance with the wiring diagram inside the cover of the Master Control Panel MCP Symptom Source Reason Corrective action _ System Won t Operate bumt failed faulty transformer replace transformer T1 faulty second replace timer timer A1 System won t operate 24VAC lamp in MCP not illuminated Fuse F1 open in MCP shorted contactor contactor coil K3 faulty circuit replace circuit board board RMT 7 short circuit in correct wiring problem 24 circuits 3 amp circuit breaker tripped reset circuit breaker CB1 in MCP Transformer K3 open winding replace transformer Float switch SW1 obstructed remove obstruction in float movement tank open contact replace float switch water too hot decrease water temperature loose electrical secure connection connection open contact replace thermal switch open coil or burnt replace relay contact open contacts replace pres
13. ause wear and shorten the life of the pump The output from the filter enters the float tank through one or two float valves within the tank The float tank maintains a minimum water source for the pump and is monitored by the float switch If the water level falls below the float switch the system is disabled to prevent damage that would occur from running the pump dry Theory of Operation Mechanical cont When the pump is in operation it draws water from the float tank and pumps it out to the unloader assembly The unloader assembly directs the water through the system to the spray gun if the spray gun is open or it diverts the water back to the float tank through the re circulate path if the spray gun is closed In addition the unloader is used to set the maximum operating pressure of the system From the high pressure output of the unloader the water flows through the chemical inhibit flow switch past the bleeder valve assembly to the interconnecting high pressure tubing and out to all the remote stations The pump can service up to ten remote stations Each remote station is equipped with a quick connect port for connection of a high pressure hose From the remote station the water flows through the hose to the spray gun The water passes through the spray gun when the gun trigger is activated and flows to the nozzle at the end of the lance As the water is forced through the orifice in the nozzle pressure builds within the system The
14. chines and all portable machines to be free from defects in material or workmanship for a period of 1 year from the date of purchase from date of shipment from factory if proof of purchase is missino to the original purchaser excluding items listed below This warranty is limited to repairing or replacing products to the original purchaser which manufacturer s investigation shows were defective at the time of shipment by the manufacturer All products subject to this warranty shall be returned F O B Spray Master Technologies Rogers Arkansas for examination repair or replacement The warranty set forth herein is in lieu of all other warranties expressed or implied including without limitation any warranties of merchantability or fitness for a particular purpose and all such warranties are hereby disclaimed and excluded by the manufacturer The manufacturer shall not be liable for any further loss damages or expenses including incidental or consequential damages directly or indirectly arising from the sale or use of this product ITEMS VOIDING WARRANTY This warranty is subject to the following conditions and limitations The following voids all warranty claims on Spray Master Technologies products Abuse misuse using excessive hot water temperatures exceeding 120 degrees Fahrenheit 49 degrees Celsius hard water conditions using bleach as an injected chemical failures caused by incorrect installation or failure to correctly wire the sys
15. gnosed to one of the six component groups by answering a few questions The person doing the parts replacement doesn t need to have any equipment knowledge He she need only be able to loosen and tighten a few bolts The Express Service exchange program eliminates having an inexperienced person trying to repair a complicated part If you do your own GROUP exchange you won t be paying for those high labor rates and expensive service calls With a few basic tools the defective component group can be removed and replaced or sent to the factory for repair by a qualified technician with minimum downtime To further expedite the repair either you or your dealer can stock spare components groups However with express mail services rarely does it take more than 48 hours to receive a component This is usually faster and less expensive than many service companies can make a service call The enclosed information shows all components groups and accessories Our trained personnel are ready to help If you need service try our EXPRESS SERVICE plan It will save you time and money Theory of Operation Mechanical General Principle of Pressure Washers Pressure in Spray Master Technologies and most other pressure washers is produced by forcing a fixed gallons per minute GPM volume of water through an orifice The fixed volume of water is provided by a positive displacement pump which will produce a specific GPM of water flow
16. he soap or sanitize lamps may indicate READY RINSE Note The motor control lead black is both an output and input for the remote station When any remote station is turned to ON the 24V AC out from that remote e OFF SANITIZE station is applied to the motor control circuit and to the Motor Control lead black of all other remote stations The 24V AC applied by the active remote station to all other remote stations becomes an inhibit input signal The inhibit signal will force HK Aun Spiers the remotes out of the READY state and disable them Theory of Operation Electrical cont The Motor control circuit is the signal control path from the remote station to turn on the pump When the ON button is pressed on the remote station the motor control signal 24V AC is sent through the 5 conductor control cable black wire to Terminal Block TB1 pin 4 in the Master Control Panel From TB1 4 24V AC is sent to the coil of Motor Control Relay K2 When K2 closes 24VAC power is applied through its contacts to the coil of Motor Contactor K3 to turn on the pump motor M1 Chemical Control Circuits are driven by the remote station circuit boards and control the flow of chemical in the system The chemical control circuits become functional only when the pump is ON While the pump is running the operator may select either Soap or Sanitizer using the Remote Station Control Panel The Soap circuitry and the S
17. l number located on teh serial number label identifies the series type and operating specifications of the system Model SMT 600 RE 04 0850 Y 22 Series _ SMT 600 SMT 1100 SMT 2000 Type RE Rack Mount System WC Wall Mount System Chemical Injection Y Before the Pump X After Pump Pump Flow Rate gallons per minute 22 2 2 GPM 32 3 2 GPM 29 2 9 GPM 40 4 0 GPM Motor Horsepower 20 2 Motor 50 5 HP Motor Nozzle Size 04 4 Nozzle 75 7 5 Nozzle 08 8 Nozzle Operating Pressur 0850 850 PSI 1100 1100 PSI 2000 2000 PSI Express Service Program If you have a problem we can solve it QUICKLY and EFFICIENTLY Your Spray Master Technologies pressure cleaning system has been designed for rapid and easy repairs Some you can do others we will do With the EXPRESS SERVICE program your machine has been divided into six major component groups These groups consist of e Group 1 Pump Unloader Injector In out hoses Group 2 Motor Switch and Cord Set Group 3 Float Tank Assembly e Group 4 High Pressure Hose Group 5 Spray Gun Assembly e Group 6 Accessories and Miscellaneous Parts Like circuit boards on a computer these groups can be exchanged as a complete unit The advantage is your savings in time and money With a toll free call to experienced service technicians at Spray Master Technologies the problem can usually be dia
18. n hose clamps intake replace hose Bulb filter inside clogged clean and replace tank Nozzle wrong size or replace nozzle worn Unloader maladjusted adjust unloader for pressure gauge indication of 50PSI less than MAX Low Pressure PRESSURE indicated on pump head worn replace unloader Pump worn valves and rebuild pump or return to seals factory 10 Central System Diagnostic Chart Low Pressure when soap or Chemical supply no chemical refill chemical supply sanitize selected sucks air hoses air leak at input to tighten hose clamps or Low Pressure when spraying Line pressure high pressure when not release valve spraying rebuild or replace Line solenoid plunger Pressure Release solenoid valve No Chemical No Chemical at any remote Chemical supply no chemical refill chemical supply Chemical control maladjusted adjust so that micro switch is activated when spray gun is station Micro switch older machines open and deactivated when spray gun is off Chemical control stuck clean or replace Flow switch Chemical pick up air leak tighten hose clamps or tubing replace hose kinked tubing straighten tubing Chemical foot screen clogged flush with hot water or replace Chemical solenoid loose connection secure connections clogged clean or replace No Chemical at one remote Remote station loose wires Secure connection station only defective circuit replace circuit board and
19. nts for the SMT Central Pressure Cleaning system depends on the SMT model installed Regardless of model all central systems must be powered by a dedicated circuit with a Ground Fault Circuit Interrupter GFCI breaker the main breaker panel and a service disconnect at the pump Electrical service requirements are e 2000REY WCY 208 230 Volt 30 Amp Schematic SMT 600 2000 Series Central Systems e _ 600REY WCY 208 230 Volt 15 Amp See 115 Volt 20 Amp optional o E ee E 1100WCX 208 230 Volt 15 Amp No SOL3 2 115 Volt 20 Amp optional 4 m _t Line voltage to the system is supplied from the service disconnect into the SMT Master Control Panel MCP to the input side of contactor K3 BLACK r i 2 24V RTN O o o za YELLOW 24V LEGEND 3 SEC TIMER SINGLE SHOT CB1 3 AMP CIRCUIT BREAKER F1 FUSE 1 4ASB 208 230 1 2 ASB 115V K1 RELAY REMOTE PWR 2 RELAY MOTOR PWR CONTACTOR MOTOR PWR M1 MOTOR REMOTE STATION BOARD UP TO 10 IN PARALLEL SOL 1 SOLENOID SOAP SOL 2 SOLENOID SANITIZE SOL 3 SOLENOID LINE PRESS RLS zw FLOAT SWITCH SW2 THERMAL SWITCH SW FLOWSWITCH MICRO SWITCH CHEMICAL INHIB Motor Drive Circuit Refer to Figures 2 and 3 schematic and wiring diagram of the SMT electrical circuits When contactor K3 is energized by the control circui
20. sure switch water supply check water supply source pressure too low System won t operate 24VAC lamp in MCP is illuminated but no power to any remote stations Thermal limit switch SW2 Relay 1 Pressure switch SMT1100 only Central System Diagnostic Chart System won t operate All remote IRemote Station loose wires or secure wires or replace stations have power circuit board defective board circuit board Relay K2 open coil or burnt replace relay contact Contactor K3 open coil or burnt replace contactor contact Motor M1 thermal overload reset or replace thermal switch 1 tripped joverload switch motor windings replace motor bad Intermittent Shut down Intermittent shut down Shuts NORMAL down after 30 minutes of OPERATION operation Intermittent shut down Shuts Water supply down in less than 30 minutes but pressure to low can restart immediately Intermittent shut down Shuts Water supply down in less than 30 minutes temperature above temperature Remote stations loose power 140 F cannot restart for 10 to 15 minutes Intermittent shut down Shuts Motor M1 thermal blocked motor remove obstruction down in less than 30 minutes overload switch fan Remote stations have power but pressure too high adjust unloader for lower cannot restart for 15 to 30 operating pressure minutes Low pressure always Pressure gauge defective reading replace gauge Hoses air leak at pump tighte
21. t the line voltage is applied through the contactor to the motor The motor starts up drives the pump and produces water flow pump ane p e 7 T1 TRANSFORMER I 24V 24 KT 9 L1 LAMP 24V POWER y 1 TERMINAL BLOCK GREEN BLACK BLACK 300 3033 01 112 Figure 2 SMT Central System Schematic 5 SALES amp SERVICE 1 800 548 3373 WARNING DISCONNECT POWER BEFORE SM N REMOTE STATION BOX REMOTE STATION BOX SPRAY MASTER TECHNOLOGIES ROGERS ARK 72756 WIRING DIAGRAM CENTRAL SYSTEMS SMT 6OOREY 600C Y 2000RE Y 208 230 VOLT SYSTEMS BLACK SPLICE ISOLATE COLORS TO COLORS RED RED Ab OP TIONAL 300 2888 300 2887 SOCKET RELAY DETAIL 5 POLE BARRIER STRIP NOT USED SANITIZE DI Suen SOLENOID N C SOAP SOLENOID OTA HO AWA 300 2861 TRANSFORMER 208 230 GC 4 300 2482 FUSE LED 24 MUL 1 4 AMP SB CONNECTOR SEE VOLTAGE 300 2849 as WIRING LABLE ON TRANSFORMER WIRE ROUTING FROM CONNECTOR SE s o 9 OF CONTACTOR 30 OPTIONAL 20 SWITCH FOR SMT 600 FLOAT WHinan HO ann GROUND LUG GROUND e LUG CAUTION HIGH VOLTAGE m LINE INCOMING POVYER USE COPPER Se PEE RELIEF CONDUCTORS ONLY MASTER CONTROL PANEL L 243 CONNECTED ATS POLE BARRIER STRIP AND
22. tem at the electrical source EXCLUDED ITEMS The following items are excluded SPRAY GUNS WANDS HOSES NOZZLES HUMMER JET SR amp JR CASTERS AND HANDLES These items are covered by the above warranty for 90 days from the date of purchase for defects in materials or workmanship LABOR to repair or replace defective components shall be covered for a period of 1 year from date of purchase 90 days on excluded items proof of purchase is required www spraymastertech com Phone 479 636 5776 Fax 479 636 3245 115 E Linden Rogers Arkansas 72756 USA SMT WARRANTY CS 102808 EN Specifications are subject to change without notice Printed in the U S A Service Requirements Service Water If a problem occurs please refer to the e Flow minimum 5 GPM at 30 PSI 3 4 hose bib connection Diagnostic and Maintenance Chart in the e Temperature 40 to 120 F maximum 125 F recommended product Service Manual Also refer to the CAT Pumps Service Manual provided with Electric your system If the problem is not resolved e SMT 600 amp 1100 Series then please call our toll free customer 115 Volt 20 Amp Dedicated Circuit NEMA 5 20R or service number o 208 230 Volt 15 Amp Dedicated Circuit NEMA 6 15R 1 800 548 3373 or 479 636 5776 e SMT 2000 Series o 208 230 Volt 30 Amp Dedicated Circuit NEMA L6 30R e International o See Serial Number Plate on machine Model Identiflcation The complete mode
23. through 3 amp circuit breaker CB1 to the 24V AC Power indicator LI and the rest of the control circuits Current flow through all circuits returns to the transformer through the 24V AC return line The 24V AC is connected to Float Switch SW1 Remote Station Power Relay K1 Motor Drive Relay K2 and to the Line Pressure Release Solenoid SOL 3 Water condition sensor circuits provide protection to the pump when adverse water conditions exist The sensors will remove power from the remote stations when the water supply level is too low or water temperature exceeds 140 F Float Switch SW1 is closed when the water level in the float tank is above the minimum operating level for the pump completing the circuit through Thermal Limit Switch SW2 which will energize Relay K1 and apply power to all Remote Stations RMT Thermal Limit Switch SW2 is normally closed When water temperature within the system exceeds 140 F Thermal Limit Switch SW2 will open and remove power from the remote stations Remote station control circuits facilitate remote operation of the pump and consists of up to ten remote stations TB1 TB10 five conductor shielded cable and 5 pole Terminal Block TB1 All signals to and from the remote stations enter and exit the Master Control Panel through terminal block TB1 Signal lines to from the remote are e Red wire 24V AC power out to remote station e White wire 24V AC return out to remote station e
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