Installation Manual for Outdoor Evaporative Cooling
Contents
1. E 864 U Capacities 50 80 eo Bi i ia 8 U Capacities 10 40 4 Vent Caps _ Are Shipped In Separate D Cartons Evaporative Cooler ___ i o TAAT 5 1 1 8 29 19 2 Typ Duct 483 oe Ey bi N INN Discharge 991 EN INI 5 LILI e K 2 10 1 8 ra mo 257 6 1 16 T Te i e RETURN i ulii Electrical 5 Anctor hole 18 7 8 479 Connections B curs Cap 127 Location x Typ Gas Discharge O S Damper Connection 26 8 3 4 Opening Opening 7 660 7 222 eu 1 5 16 33 Typ D4163 165 Hole T4160BD su Bs feo ul 6 ocation Outside Table 2A A G A C G A GAS INLET CAPACITY A B D D F G AJ L SU NAT LP 10 32 7 8 15 9 16 12 11 20 11 16 19 3 8 31 1 16 24 77 3 8 72 1 4 1 2 1 2 835 395 305 279 525 492 789 610 1965 1835 15 32 7 8 18 5 16 21 1 2 16 25 3 16 23 1 2 31 1 16 24 77 3 8 72 1 4 1 2 1 2 835 465 546 406 640 597 789 610 1965 1835 20 43 7 8 23 13 16 23 1 2 16 25 3 16 26 1 4 42 1 16 35 77 3 8 72 1 4 1 2 1 2 1114 605 597 406 640 667 1068 889 1965 1835 25 43 7 8 29 5 16 23 1 2 16 25 3 16 34 1 2 42 1 16 352. aa 1 STARTER TIME DELAY EONISCIUR 8 8 os x CAUTION DISCONNECT POWER BEFORE SERVICING TERR BY MANUFACTURER UNIT MUST BE a AT LEGEND BY OTHERS USE COPPER CONDUCTORS ONLY x IF ANY DF THE ORIGINAL WIRE AS SUPPLIED WITH THE DIAGRAM RECORD DATE 9 1 89 APPLIANCE MUST BE REPLACED IT MUST BE REPLACED MANUAL UN DFF SWITCH CONTROL BY SKL WITH WIRING MATERIAL HAVING A TEMPERATURE RATING WITH FILL amp DRAIN KIT REV 00 00 OF AT LEAST 125 REFER TO INSTALLATION INSTRUCTIONS FOR VENTING GAS JEE 1 PIPING AND START UP PROCEDURES DIAGRAM ND EC MATE COMMON WIRING ARRANGEMENTS MAINTENANCE AWARNING Open all disconnect switches and secure in that position before servicing unit Failure to do so may result in personal injury or death from electrical shock Because of the nature of the evaporative process algae buildup biological fouling scale build up and corrosion are distinct possibilities Proper water treatment and regularly scheduled maintenance will minimize or eliminate most problems a Cooling Pad Check List v Reduce the number of on off cycles v Shade the pads and pump v Dry pads out completely once every 24 hours v Maintain a suitable water bleed off rate v Drain and disinfect the entire water system quarterly v Avoid harmful contaminants including dust fumes harsh clean
3. 3285 1492 981 3156 NOTE REFER TO UNIT SUBMITTALS FOR MORE SPECIFICATIONS UNIT ARRANGEMENTS DIMENSIONS ARE IN INCHES DIMENSIONS IN PARENTHESIS ARE IN MILLIMETERS F DIMENSION IS THE RECOMMENDED CLEARANCE TO SERVICE THE BURNER DRAWER S A J DIMENSION IS AN OUTSIDE DIMENSION FOR RETURN AIR DAMPERS A J DIMENSION IS ALSO AN INSIDE DIMENSION FOR SUPPLY AIR WITHOUT DAMPER U ALL DIMENSIONS ARE TABULATED FOR ROOFTOP ARRANGEMENTS C amp E PER CAPACITIES 10 THROUGH 80 ACCORDINGLY CAPACITIES 50 80 ARE SHOWN PICTORIALLY NATURAL VENT UNIT DIMENSIONS SHOWN ABOVE FOR POWER VENT DIMENSIONS CONTACT CUSTOMER SERVICE FOR POWER VENT UNIT SUBMITTAL SHEETS Air Handler Packaged Unit with Evaporative Cooling Figure 5 Standard Air Handler with Evaporative Cooler without Supply Plenum 36 72 883 1829 ili bust Llano Evap Cooler pp 1 Kc c ccc ML ML OM o Intake E 19 483 Filt E 39 dl i Dire 991 3 Opening Ni B ale eite 10 1 m 154 257
4. Ball Valve Line Filter Brass Needle Cock Valve Worm Clamp PVC Flexible Hose EVAPORATIVE COOLER PARTS IDENTIFICATION NS ll Con It UNI um WD E3 y yn d p ni At PNIS PR yr NS T i n Rt Nec ee Pump Support Bracket 10 11 12 13 14 15 16 Pump Poly Tubing 1 4 O D Pump Basket Screen Float Valve Media Pad 8 or Opt 12 W Media Distribution Pad 2 x 8 x Lor 2 x 12 x L Hood Water Distribution INSTALLATION This manual is for Evaporative Cooler Module Installations only Refer to the Installation and Service Manuals for Rooftop Packaged Units and Outdoor Furnaces for these unit installations Mounting to Roof 1 Before positioning the unit in its permanent location make certain that the roof is capable of carrying the load of this equipment Note that when the cooler is filled with water the unit will be much heavier than when dry See Performance and Dimension Data table for appropriate operating weight 2 If unit is to be mounted on a curb refer to the curb specifications for installation requirements 3 Make certain that the mounting surface is level in all directions 4 Make certain that you have sufficient means for lifting the unit into place 5 Installation must conform to local and national building and safety codes 6 Theunits are mounted on skid rails and are suitable for use on combu
5. 0 03 0 20 43 3 4 166 386 0 755 2 596 0 87 787x1106 0 01 0 05 1111 75 175 30 35 60 70 2 400 8 500 IT 86 88 92 11 75 31 x 54 9 16 0 05 0 30 54 3 4 192 468 1 133 4 012 1 09 787 x 1386 0 01 0 07 1391 87 212 40 80 3 200 8 500 77 86 87 92 12 92 31 x 60 0 07 0 28 60 1 4 206 509 1 510 4012 1 20 787x1524 0 02 0 07 1530 93 231 Capacities 50 60 70 and 80 are for Dual Furnace Unit Types only CELdek EVAPORATIVE MEDIA The Evaporative Cooler utilizes high efficiency CELdek media CELdek is made from a special cellulose paper impregnated with insoluble anti rot salts and rigidifying saturants The cross fluted design of the pads induces highly turbulent mixing of air and water for optimum heat and moisture transfer The evaporative coolers are available with standard 8 or optional 12 inch media which produce high efficiency and high face velocities along with a 2 distribution pad to disperse the water evenly over the pads Figure 2 100 90 80 70 60 Evaporative Cooling Efficiency Air Pressure Drop Inches WG Air Velocity FPM Figure 3 Natural Vent Rooftop Unit with Evaporative Cooler without Supply Plenum Rooftop Packaged Unit with Evaporative Cooling
6. 4 1 2 1 2 835 305 279 525 492 789 610 2626 2496 15 32 7 8 21 1 2 16 25 346 23 1 2 31 1 16 24 103 3 8 NA NA 98 1 4 1 2 1 2 835 546 406 640 597 789 610 2626 2496 20 43 7 8 23 1 2 16 25 346 26 1 4 42 1 16 35 103 3 8 NA NA 98 1 4 1 2 1 2 1114 597 406 640 667 1068 889 2626 2496 25 43 7 8 23 1 2 16 25 346 34 1 2 42 1 16 35 103 3 8 NA NA 98 1 4 3 4 1 2 OR 3 4 1114 597 406 640 876 1068 889 2626 2496 30 54 7 8 26 17 1 2 26 11 16 37 1 4 53 1 16 46 103 3 8 NA NA 98 1 4 3 4 1 2 OR 3 4 1394 660 445 678 946 1348 1168 2626 2496 35 54 7 8 26 17 1 2 26 11 16 45 1 2 53 1 16 46 103 3 8 NA NA 98 1 4 3 4 1 2 OR 3 4 1394 660 445 678 1156 1348 1168 2626 2496 40 60 3 8 26 17 1 2 26 11 16 51 58 9 16 51 1 2 103 3 8 NA NA 98 1 4 3 4 1 2 OR 3 4 1534 660 445 678 1295 1487 1308 2626 2496 50 43 7 8 23 1 2 16 25 346 34 1 2 42 1 16 35 129 5 16 58 3 4 38 5 8 124 1 4 3 4 1 2 OR 3 4 1114 597 406 640 876 1068 889 3285 1492 981 3156 60 54 7 8 26 17 1 2 26 11 16 37 1 4 53 1 16 46 129 5 16 58 3 4 38 5 8 124 1 4 3 4 1 2 OR 3 4 1394 660 445 678 946 1348 1168 3285 1492 981 3156 70 54 7 8 26 17 1 2 26 11 16 45 1 2 53 1 16 46 129 5 16 58 3 4 38 5 8 124 1 4 3 4 1 2 OR 3 4 1394 660 445 678 1156 1348 1168 3285 1492 981 3156 80 60 3 8 26 17 1 2 26 11 16 51 58 9 16 51 1 2 129 5116 58 3 4 38 5 8 124 1 4 3 4 1 2 OR 3 4 1534 660 445 678 1295 1487 1308
7. 4 Y FA E ZAA 3 4 Npt Drai Overfl erum am bal Electrical pt Drain verflow i Connections 1 25 a Capped Aor Lote gt pe SP Cul Lap 184 Location __ Damper 6 1 2 Opening 165 D3666B p T3672FR 209 Table 3 CAPACITY A B G AJ 20 43 7 8 23 13 16 21 15 16 42 1 16 35 1114 605 557 1068 889 40 60 3 8 45 13 16 30 3 16 58 9 16 51 1 2 1534 1164 767 1487 1308 NOTE REFER TO UNIT SUBMITTALS FOR MORE SPECIFICATIONS UNIT ARRANGEMENTS DIMENSIONS ARE IN INCHES DIMENSIONS IN PARENTHESIS ARE IN MILLIMETERS A J DIMENSION IS AN OUTSIDE DIMENSION FOR RETURN AIR DAMPERS A J DIMENSION IS ALSO AN INSIDE OPENING FOR SUPPLY AIR WITHOUT DAMPERS Figure 6 Standard Air Handler with Evaporative Cooler with Supply Plenum 36 72 A i 883 a 1829 Evap Cooler F po Intake B2 E her N CCCCCCCCCCE E 91 tea ata DOS eee eG eG oe Oe A 6 ale 9 6 1 16 Lob amm o0 154 1 W a n Inlet 1 4 Lf Ze n Yoy 3 ISUPPLY AIR 5 3 4 NPT E Electrical E Capped 5 8 16 Typ 1 18 7 8 479 19 483 D 25 Anchor Hole Typ X AJ Curb Cap CHO es uie 536875 6 1 2 a T3672FR 165 Ls i 77 3 8 6 1 16 1964 154 o Bulk Head Fitting Drain Overflow Water Distribution Assembly Clip Assembly Water Distribution Assembly
8. 7 INSTALLATION Mounting to Roof nenea ana 8 Connecting Water Supply nenea aneee 8 Faucet Use 6 Adjusting Water Level and Float Valve 9 Adjusting Water Flow nenea eee 9 Bleed Off ere d a qae 9 Electrical Connections eene 10 11 MAINTENANCE Maintenance 5 55 nea 12 Changing Media emana 12 13 Cleaning Water Pump seen 13 Washing eee eee nnnaaee 13 Washing Inlet Filter men eee 13 Cabinet Cleaning and Touch up 13 Winter Shut Down ssesseeeeenn 13 Evaporative Cooler Curb Assembly Diagram 14 Model Number Description sees 15 Replacement Paris 15 The following terms are used throughout this manual in addition to the other requirements to bring attention to the presence of potential hazards or to important information concerning the product Indicates an imminently hazardous situation which if not avoided will result in death serious injury or substantial property damage A WARNING Indicates an imminently hazardous situation which if not avoided could result in death serious injury or substantial property damage A CAUTION Indicates an imminently hazardous situation which if not av
9. keep the concentration of impurities under control The bleed off rate required is dependent upon the quality of the water used and the rate of evaporation As climate conditions change the rate of evaporation may increase requiring an increase in the bleed off rate It is recommended that the bleed off rate be adjusted for the maximum water evaporation An indication of insufficient bleed off is a uniform build up of minerals on the entering air face of the media If this condition is observed increase the rate of bleed off until the mineral deposits dissipate Adjusting the Bleed Off 1 The bleed off is attached to the PVC tee This bleed off system will eliminate a small quantity of water from recirculation which will reduce scale build up This water will drain through the attached tube and out through the overflow Disposal of this water should comply with local codes 2 Adjust the bleed off rate according to Table 4 Table 4 Unit Size Seconds to Fill Capacity 12 oz Can 10 15 69 46 20 25 50 52 34 30 35 60 70 41 27 40 80 38 25 ELECTRICAL CONNECTIONS A WARNING HAZARDOUS VOLTAGE DISCONNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING Failure to disconnect power before servicing can cause severe personal injury or death Refer to the unit data plate to determine the supply voltage A WARNING Do not service before disconnecting power or there coul
10. 77 3 8 72 1 4 3 4 1 2 OR 3 4 1114 745 597 406 640 876 1068 889 1965 1835 30 54 7 8 34 13 16 26 17 1 2 26 11 16 37 1 4 53 1 16 46 77 3 8 72 1 4 3 4 1 2 OR 3 4 1394 884 660 445 678 946 1348 1168 1965 1835 35 54 7 8 40 5 16 26 17 1 2 26 11 16 45 1 2 53 1 16 46 77 3 8 72 1 4 3 4 1 2 OR 3 4 1394 1024 660 445 678 1156 1348 1168 1965 1835 40 60 3 8 45 13 16 26 17 1 2 26 11 16 51 58 9 16 51 1 2 77 3 8 72 1 4 3 4 1 2 OR 3 4 1534 1164 660 445 678 1295 1487 1308 1965 1835 50 43 7 8 29 5 16 23 1 2 16 25 3 16 34 1 2 42 1 16 35 103 3 8 98 1 4 3 4 1 2 OR 3 4 1114 745 597 406 640 876 1068 889 2626 2496 60 54 7 8 34 13 16 26 17 1 2 26 11 16 37 1 4 53 1 16 46 103 3 8 98 1 4 3 4 1 2 OR 3 4 1394 884 660 445 678 946 1348 1168 2626 2496 70 54 7 8 40 5 16 26 17 1 2 26 11 16 45 1 2 53 1 16 46 103 3 8 98 1 4 3 4 1 2 OR 3 4 1394 1024 660 445 678 1156 1348 1168 2626 2496 80 60 3 8 45 13 16 26 17 1 2 26 11 16 51 58 9 16 51 1 2 103 3 8 98 1 4 3 4 1 2 OR 3 4 1534 1164 660 445 678 1295 1487 1308 2626 2496 NOTE REFER TO UNIT SUBMITTALS FOR MORE SPECIFICATIONS UNIT ARRANGEMENTS DIMENSIONS ARE IN INCHES DIMENSIONS IN PARENTHESIS ARE IN MILLIMETERS F DIMENSION IS THE RECOMMENDED CLEARANCE TO SERVICE THE BURNER DRAWER S A J DIMENSION IS AN OUTSIDE DIMENSION FOR RETURN AIR DAMPERS U ALL DIMENSIONS ARE TABULATED FOR ROOFTOP ARRA
11. FORMANCE AND SPECIFICATION DATA Evaporative Cooling Units Figure 1 T gt Water zo 2 CELdek amp Distribution 914 sa Assembly Capacity A T D yA 32 7 8 X Liquid Tight 10 15 835 Electrical i SR Tubing 20 25 50 43 7 8 i ia Bleed off 30 35 1114 Ball Filter Valve H wa 54 7 8 60 70 1394 va Junction Box Sf 43 40 80 60 3 8 Pump vo 1092 1534 ee 2298 xX ve 8 CELdek UL d Optional 12 a 26 4 1 4 Water 1 02 x Inlet al 5 3 NPT i Drai Float Valve 5 Gad SECTION S S Table 1 Refer to individual unit submittals for more specifications Performance and Dimensional Data 8 Saturation 12 Saturation 8 or 12 Media Pressure Drop Unit Shipping Operating CFM Efficiency Efficiency Face Area Size inW C Width Wt Wt cu m s cu m s Range Range Ft in kPa kPa in Ib Ib Capacity MIN MAX MIN MAX MIN MAX m mm MIN MAX mm kg kg 10 15 800 4 500 78 88 89 92 7 01 31 x 32 9 16 0 03 0 23 32 3 4 137 301 0 378 2 124 0 65 787 x 827 0 01 0 06 832 62 136 20 25 50 1 600 5 500 77 88 88 92 9 38 31 x 43 9 16
12. IIEVC 6 J30 05401 INSTALLATION SERVICE MANUAL OUTDOOR ROOFTOP EVAPORATIVE COOLING UNITS Unit Type EV Capacity CA 10 40 Evaporative Cooling systems meet a wide range of heating and ventilating requirements The Evaporative Cooler may be purchased as an individual unit in four sizes from 800 CFM to 8500 CFM 0 4 to 4 0 m s or it can be combined with Rooftop Packaged Units Natural or Power Vented Air Handlers or Make up Air Handlers In any combination the Evaporative Cooler will replace the need for 100 Outside Air Inlet Hood Evaporative Cooling is the simplest and most cost effective cooling method without the use of mechanical refrigeration ATTENTION Read This manual IIEVC manuals RISM and RBM submittal data sheets and all labels attached to the unit carefully before attempting to install operate or ser vice the Evaporative Cooling Unit Retain this manual for future reference AWARNING Maintain water in sumps by proper microbicidal water treatment to mini mize the risks of illness caused by Legionella Pneumophila the bacteria that causes Legionnaire s Disease and other bacteria Refer to local codes regarding any additional treatment or restrictions regarding water supplies and usage INSTALLER S RESPONSIBILITY Installer Please Note This equipment has been tested and inspected It has been shipped free from defects from our factory However during shipment and installation problems
13. NGEMENTS B amp D PER CAPACITIES 10 THROUGH 80 ACCORDINGLY CAPACITIES 50 80 ARE SHOWN PICTORIALLY NATURAL VENT UNIT DIMENSIONS SHOWN ABOVE FOR POWER VENT DIMENSIONS CONTACT CUSTOMER SERVICE FOR POWER VENT UNIT SUBMITTAL SHEETS Rooftop Packaged Unit with Evaporative Cooling Figure 4 Natural Vent Rooftop Unit with Evaporative Cooler with Supply Plenum 36 ma Y 26 26 1 MEOS E 660 660 C Typ Sq gt Vent Caps q 1 Are Shipped In Separate D Evaporative Cartons Cooler alii e ELLA 65 d il 5 af as a 3 5 Al E zum 4 7 zi i o jet Elect cal j 1 5 8 16 Typ 18 7 8 479 Lifting Connections 18 78 479 CU 5 Metan x A4 Typ Brackets X Ad Typ 23 9 5 Damper Connection Inside Opening Openin i m 6 1 2 26 sey d heer 99 TYP TAI6OCE 165 soo 80 T 99 fon L 8 Outside Table 2B A G A C G A GAS INLET CAPACITY A D F G AJ L Q R SU NAT LP 10 32 7 8 12 11 20 11 16 19 3 8 31 1 16 24 103 3 8 NA NA 98 1
14. ON INSTRUCTIONS EVAPORATIVE 1 ON DRAIN VALVE N O a 2 SERVICE VALVEY o OFF FILL VALVE FLOAT VALVE CONN 1 4 COMP T RI 5 E cS id 12 OVERFLOW 3 4 M P T DRAIN 3 4 M P T FILL amp DRAIN KIT WIRING IE ROOF VA FILL amp DRAIN KIT PIPING 2 WAY VALVE NORMALLY OPEN SERVICE VALVE ae PRESSURE REG NORMALLY NORMALLY CLOSED OPEN i A N 3 WAY VALVE TO DRAIN OUTLET 1 ASTERISK DENOTES MATERIAL SUPPLIED BY OTHERS 2 MAXIMUM PRESSURE 10 PSIG 3 VALVE PIPING MUST BE LOCATED INSIDE FOR PROTECTION FROM FROST SUPPLY WATER INLET NOTES Q 115 230V 1 60 gt USE 115 DR 208 DR 230V 1PH EC MATE FILL amp DRAIN KIT e WITH RESPECT TD SUPPLY VDLT GE Lu Le i MANUAL FILL DRAIN EC MATE PRESSWITCH ON OFF SWITCH f ON i Priza PUMP COMMON Foie ncaa A ea MUR 777777700777 Malt CE DFF EC MATE RELAY COIL 2 T AR e ae EC MATE RELAY COIL 2 IS USED ONLY WITH ON OFF t SWITCH CONTROL DPTIUN 1 N DRAIN SOL LU RA E ko dg SI ertt KR IN ponei FILL SOL wav px i SINGLE PHASE INSTALLATION TO SUPPLY VOLTAGE 115 230 1 60 EC MATE 1 RELAY CONTACTS 2 Le INNEN ig Aaa n 1 TIME DELAY HE soy wes MOTOR THREE PHASE INSTALLATION TU 24V FURNACE SUPPLY PAI gt EC MATE DE 1 RELAY CONTACTS 2 inina 1
15. cal circuit A disconnect switch of suitable electrical rating for each unit should be placed as close to the controls as possible Each unit must be electrically grounded in accordance with the latest edition of the National Electrical Code ANSI NFPA No 70 1996 or CSA Standard C22 1 Sample wiring connections are depicted in Figures 9 amp 10 NOTICE Consult the factory before making any changes to factory wiring OPTIONAL FILL AND DRAIN KIT Optional Evaporative Cooler Fill and Drain Kit consists of two motorized valves installed in the building and piped and wired to the roof The kit eliminates the need to go to the roof to fill or drain the cooler for seasonal changeover and automatically maintains the water level See sample Figure 10 Refer to the kit s instruction GROUNDING Install a ground wire to suitable ground according to local codes Figure 9 ELECTRICAL CONNECTIONS continued Figure 10 TYPICAI EVAP RATIVE COOLER C NTRUL MANUAL 460 480 3 60 208 230V 3 60 gt ON OFF SWITCH C USE 115V EC MATE FILL amp DRAIN KIT INCLUDES 460 115V STEP DDWN TRANSFDRMER NTROL USE 208 OR 230V 1PH EC MATE FILL amp DRAIN KIT WITH RESPECT TO SUPPLY VOLTAGE WIRING FILL amp DRAIN KIT INSTALLATI
16. d be a potential for an electrical shock hazard The motor name plate and electrical rating on the transformer should be checked before energizing the unit electrical system All external wiring must conform to ANSI NFPA No 70 1996 National Electrical Code or the latest edition of and applicable local codes in Canada to the Canadian Electrical Code Part 1 CSA Standard C22 1 Dashed lines represent either field wiring by others or optional equipment Refer to optional items shown on wir ing diagram included with unit these will be hard wired AWARNING Do not jumper factory wiring Mis wiring of safety circuits may result in fire or death NOTICE For all wiring connections refer to the wiring diagram shipped with the unit either affixed to the side jacket or enclosed in the unit s installation instruction envelope Should any original wire supplied with the unit have to be replaced it must be replaced with wiring material having a temperature rating of at least 105 C A CAUTION Do not use any tools i e screwdriver pliers etc across the terminals to check for power Use a voltmeter A CAUTION USE COPPER CONDUCTORS ONLY UNIT TERMINALS ARE NOT DESIGNED TO ACCEPT OTHER TYPES OF CONDUCTORS Failure to do so may cause damage to the equipment It is recommended that the electrical power to each unit be provided by a separate fused and permanently live electri
17. e valve and the tube NOTICE If a faucet is not to be used for the water supply install the valve on the water line to be used Follow the procedure above for securing the tubing to the valve Figure 8 Evaporative Cooler Water Connections BRASS NEEDLE COCK FAUCET WITH HOSE BIBB 1 4 TUBING FROM COOLER gt N NUT AND FERRULE ROOF LINE BRASS STOP COCK WITH DRAIN ra D3870 N WATER SUPPLY Adjusting the Water Level and Float Valve Fill the tank as follows 1 Turn the water supply on Fill the tank to a depth of approximately 3 25 82 6mm While filling the tank check for good pressure and flow from the float valve 2 The float valve should shut down the water supply at the 3 25 82 6mm level It may be necessary to adjust the float valve by bending the rod The rod level adjustment screw should be set in lower notch on lever 3 Check the tank and all connections for leaks NOTE The overflow fitting is set so that the water will begin to flow at the 3 25 82 6mm depth It is important that the water level not be above the pump basket screen Adjusting the Water Flow Proper water flow over the media is important Insufficient water flow will result in increased accumulation of minerals on the media Excessive water flow will result in deterioration of the media and moisture carryover 1 Using the ball valve handle adjust the water f
18. ella Pneumophila bacteria is present in almost all water supplies However the mere presence of the bacteria does not create a hazard the bacteria must be transmitted as an aerosol in sufficient densities to be infectious NOTICE It is highly recommended that the services of a water treatment company be retained to advise on the proper treatment of the sump water for biological scale and corrosion control For more information see MUNTERS Engineering Bulletin EB WTM 502 included with this manual Maintenance Schedule Regular maintenance is the key to successful service from your Evaporative Cooler Use the following schedule as a guide to maintain you unit Maintenance Annual Annual Requirements Start Up Shut Down Changing Media At Beginning of 6th Year or if Passages are blocked Cleaning Water Pump Cleaning 8 Touch Up Adjusting Bleed Off Periodic Inspection During Cooling During Cooling Season Season Washing Down As Required During Media with Hose Season Washing Inlet Filter with Hose v Drain Unit v Following are explanations of the procedures outlined in the above schedule Changing the Media This should be done every 5 years or if passages become blocked 1 Remove filter frame assemblies 2 Disconnectthe water hood panel fromthe top panel by removing screws 3 Snap out water distribution system 4 Remove top media distribution pad 5 Liftoutmediasections Notet
19. ers and water treatment chemicals v Circulatethe recommended quantity of water over the pads Avoid dry areas on the pads Clean the filters regularly b Controlling Algae Scale and mineral deposits can form on the cooling pad because the mineral content of the water is too high Increase the water flow over the face of the pads Make certain that the flow of water is even from one end of the distribution pipe to the other end Clean and flush the distributor pipe regularly especially if dry areas appear on the pads Maintain the pH of the recirculating water between 6 and 8 Maintain sufficient bleed off rate For more details check MUNTERS Engineering Bulletin EB WTM 502 included with this manual c Preventing Algae in the Evaporative Pads Algae needs light moisture and nutrients to survive Eliminating or reducing these elements will help to control algae For specific details see MUNTERS Engineering Bulletin EB WTM 502 included with this manual d Biological Fouling Control Uncontrolled growth of organic matter can lead to plugged media metal deterioration and biologi cal contamination of the airstream Whenever the possibility of biological contamination of water in an airstream exists transmittal of Legionnaire s Disease should be addressed While there are no reported cases of Legionnaire s Disease as sociated with rigid media type evaporative cooling systems the Legion
20. hepositionofmedia with respect to airflow See Figure 11 6 Replace with new CELdek media sections See replacement part section Aspen and other evaporative media will not work 7 When re installing media be sure all media sections are installed in the proper direction See Figure 11 8 Replacetop media distribution pad water dis tribution system water hood panel and filter frame assemblies Figure 11 Evaporative Cooling Media Pad Section xv O NV we D3883 Cleaning the Water Pump A CAUTION po not allow the pump to topple over or become submerged Water will damage the pump motor This is not a submersible pump Disassemble and clean water pump as follows 1 Disconnect power 2 Disconnect the liquid tight connector from the junction box to remove cord and connector 3 Disconnect the pump mounting bracket and hose 4 Remove the pump and basket screen 5 To clean pump snap out base of the pump notice the impeller 6 Using a mild detergent solution wash all deposits from the impeller and the impeller base plate 7 Spin the impeller to dislodge any foreign material Make sure that the impeller spins freely 8 Carefully snap the impeller and impeller base plate back onto the pump 9 Wash the pump basket screen using the same detergent solution and rinsing thoroughly to remove any debris If unable to clean replace with a new scree
21. inet andallinternal parts ofthe Evaporative Cooler should be cleaned annually using a softcloth warm water and a mild cleanser NOTE Avoid using steel wool or sandpaper in normal cleaning of the unit Winter Shut Down 1 Clean and flush out Evaporative Cooler media and sump 2 Clean water distributor holes 3 Drain fill pipe and leave open DO NOT LEAVE ANY WATER IN THE SYSTEM FREEZING CAN CAUSE MAJOR DAMAGE TO THE UNIT 4 Remove and clean pump if necessary 5 Check sump tank for leaks and repair if necessary Sump tank is fabricated from stainless steel Roof Curb Kit 80015 1 2 3 4 For use with Unit type UT EV Capacities CA 10 40 Evaporative Cooler Platform Only Included with Roof Curb Kit No s RC002 RC004 RC008 RC012 038558 VIEW SEE VIEW TYP 8 PLC S Club Platform to Unit Assembly Approximate Curb Kit Roof Curb Kit RC015 Contents Shipping Weight Curb Kit No Capacity CA Weight Ibs O Evaporative Cooler Assembly sold separately RCO15 1 10 15 2 Curb 2 platforms per kit RCO15 2 20 25 50 3 3 1 4 20 KEPS Nut 8 required BONIS S ee Serene RCO15 4 40 80 4 1 4 20 x 5 8 LG Hex HD Bolt 8 required mer One Platform Kit fits All Evaporative Cooler Modules Capacities CA 10 80 Capacities 50 60 70 and 80 are for RT PV unit types only How to order Replacement Parts Plea
22. low so that the media is damp from the top to the bottom If you can see water flowing on the entering side your water level is too high Adjust the valve so that the media is just damp on the entering side Repeated drying of the media will cause rapid buildup of mineral deposits in the media Drying is due to improper adjustment of the water flow valve frequent shut down of the pump to control the evaporative cooling humidification or localized air velocities across the surface of the media The area where dry spots occur will exhibit high mineral deposits The valve must be adjusted so that no dry spots appear on entering or leaving side and when adjusted correctly enough water will flow through the media to wash out most of the airborne dirt and other debris 2 Prior to start up it is recommended that the tank be filled and the pump turned on allowing the unit to run for approximately 10 minutes Repeat this procedure two times to help flush any dirt that may have accumulated during shipping Bleed Off Bleed Off is required to maintain the water quality of the system When water evaporates minerals and other impurities are left behind impurities are scrubbed from the air flowing through the system and make up water even good quality make up water adds more minerals and impurities These form deposits on the media during the evaporative process Therefore it is important to bleed off a small quantity of recirculating water to
23. n See replacement part section NOTICE The pump motor does not require any lubrication Washing the Media A CAUTION Avoid splashing water on the blower motor at all times this could cause electrical problems 1 Scaleand dust should be washed off the intake side of the media annually using a garden hose and nozzle this will help to unclog passages 2 Using a stiff brush lightly brush the intake edges of the media This will not harm the openings but will remove any hardened scale 3 Occasionally there will be a build up of algae or odors The best solution for both of these problems is to allow the pads to dry thoroughly on a regular basis If cooling is not needed at night during the cooling season allow the blower to run for a few hours after the pump has been shut down to dry pads daily 4 During the cooling season we recommend that the pads be shut down nightly if possible with the blower running to dry the pads out for a few hours before the unit is shut down Washing the Inlet Filter The pre filter should be cleaned periodically as follows 1 Turn the four latches and remove filter frame assemblies 2 Carefully remove the aluminum filters Wash the filters with warm water and a mild soap rinse thoroughly 3 Re install in unit 4 Ifthe aluminum mesh filters are damaged or cannot be cleaned replace the mesh filter See replacement parts section Cabinet Cleaning and Touch Up The cab
24. oided may result in minor injury or property damage NOTICE Used to notify of special instructions on installation operation or maintenance which are important to equipment but not related to personal injury Failure to comply with the General Safety Information may result in extensive property damage severe personal injury or death GENERAL SAFETY INFORMATION Unless otherwise specified the following conversions may be used for calculating Sl metric unit measurements 1 Ib 0 453 kg 1 cubic foot 0 028m 1000 Btu per hour 0 293 kW 1 foot 0 305 m 1 inch water column 0 249 kPa 1 inch 25 4 mm 1 gallon 3 785 L 1 psig 6 894 kPa 1000 BTU cu ft 37 5 MJ m 1liter second CFM x 0 472 meter second FPM 196 8 A WARNING Disconnect all power before installing or servicing the unit If power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so could result in fatal electrical shock or severe personal injury A WARNING Do not alter the unit in any way or damage to the unit and or severe personal injury or death may occur 4 WARNING Do not depend on a thermostat or other switch as a sole means of disconnecting power when installing or servicing unit Always disconnect power at the main circuit breaker as described above Failure to do so could result in fatal electrical shock PER
25. required prior to the return of defective components All returns must be sent with all transportation charges prepaid to the plant designated in the written permission This warranty is extended only to the original owner of the unit Z 3 MESTEK INC A 220 NORTH ELM WESTFIELD MA 01085 TEL 413 568 9571 FAX 413 562 8437 www mestek com
26. rmostat T834H w Subbase Sterling Stat 9 Gas Type GT G4 Thermostat T7300 7 Day Programmable 0 None 65 Thermostat T874 Two Stage Gas Control GC H1 Return Firestat LAORE H2 Supply Firestat 11 Supply Voltage SV H3 Freezestat 1 115 1 60 2 208 1 60 L1 30 Amp Fused Disconnect Switch 3 230 1 60 L2 30 Amp Non Fused Disconnect Switch L3 60 Amp Fused Disconnect Switch 12 Motor Type MT L4 60 Amp Non Fused Disconnect Switch 0 None 13 Motor Sizes MS 0 Other Specify 0 None The complete unit is warranted by the manufacturer to be free from defects in material and workmanship for a period of one 1 year from the date of manufacture The manufacturer will repair or replace at its option any component which upon inspection it finds to be defective provided that the unit has been operated within its listed capacity has been installed in accordance with the furnished instructions has not been misused or subjected to negligence and has received reasonable and necessary maintenance The warranty does not cover labor costs or other costs incurred in repairing removing installing servicing or handling of parts or completed products The warranty does not cover loss due to corrosion by chemicals precipitated in the air such as halogenated hydrocarbons The manufacture will in no event be liable for incidental or consequential damages of any kind whatsoever Written permission is
27. se provide the following information to your local representative Model Number Serial Number if any Part Description and Number as shown in Replacement Parts Literature If further assistance is needed please contact the manufacturer s customer service department Evaporative Cooler Model Number Description Digit E X X E V 8 4 0 010 11 0 0 0 0 16 17 Prefix UT CA FM RA CO GT GC SV MT MS Al AC AS interna use Only See Model No Description below 1 2 Unit Type UT 14 Air Inlet Configuration AI EV Evaporative Cooler Only 0 None 3 4 Capacity CA 15 Air Control amp Damper Arrangement AC 10 100 000 BTU HR 0 None 15 150 000 8 8 20 200 000 BTU HR 16 Accessories AS 25 250 000 BTU HR C1 Evap Cooler Fill amp Drain Kit 30 300 000 BTU HR C2 Evap Cooler 12 Celdek Media 35 350 000 BTU HR C3 Evap Cooler Freezestat 40 400 000 BTU HR D1 Time Clock 7 Day 5 Furnace Type FT D2 Time Clock 24 Hour 0 None E2 G F I Convenience Outlet 115VAC 6 Furnace Construction Material FM E3 Ramote Control Panal 0 None 7 Rooftop Arrangement RA F1 Ductstat One Stage 0 None F2 Ductstat Two Stage 8 Coil Options CO G1 Thermostat T87F w Subbase 0 None G2 Thermostat T87F w Subbase amp Guard G3 The
28. stible flooring It is recommended that the skids be mounted either on solid planking or on steel channels but never on a soft tar roof where the skids could sink and reduce the 4 clearance between the bottom pan and the roof 7 Inspect all internal parts of the cooler section to determine if any damage has occurred during shipment See roof curb specifications at the end of the manual Connecting the Water Supply NOTICE Soft water equipment should not be attached to water lines going to the cooler Soft Water will cause corrosion and decrease the effective life of the cooler 1 A water valve should be installed at a convenient location to allow water to be turned on and off Use 1 4 tubing to supply water to Evaporative Cooler A water connector kit is available at your local wholesaler 2 Place tube nut and ferrule over the end of the tubing 3 Insert tubing into factory installed float valve and tighten securely Figure 7 Float Valve Assembly FLOAT VALVE ADJUSTMENT SCREW e ROD LEVEL NOTICE There will be a slight odor during the initial start up of the unit The odor will disappear within the first few days of operation if the bleed off is adjusted correctly Faucet Use 1 To connect the water line to the water supply install a sillcock and water valve on the faucet 2 Place tubing nut and ferrule on tube end and insert valve 3 Tighten the nuts on th
29. such as loose wires leaks or loose fasteners may occur It is the installer s responsibility to inspect and correct any problems that may be found The model and serial numbers are located on the data plate attached to the side of the cooler Record this information in the spaces provided below Model No 2 No This manual may also be used for the following INC Unit Types UT RT or PV Rooftop Arrangements RA D or E and A 250 NORTH ELM ST WESTFIELD MA 01085 Unit Type UT AH TEL 413 568 9571 FAX 413 562 8437 Rooftop Arrangements RA P or www mestek com Capacity CA 20 or 40 E MADE IN THE USA RECEIVING INSTRUCTIONS Inspect shipment immediately after receiving to determine if any damage has occurred during shipment If any damage is found the consignee should sign the bill of lading indicating such damage and immediately file claim for damage with the transportation company TABLE OF CONTENTS Description General Information eene Cover 2 PERFORMANCE amp SPECIFICATION DATA Evaporative Cooler Dimensional amp Performance Data eee ee eee 3 CELdek Media Data and Efficiency Chart 3 Gas Fired Rooftop Packaged Units with Evaporative Cooler 05 4 5 Air Handler with Evaporative Cooler 6 PARTS
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