Mestek SpacePak ESP-2430JV Installation, Operation & Maintenance Manual Download Page 12 | Manualshive

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FIGURE 2.10: SINGLE STAGE AIR CONDITIONING ONLY WIRING DIAGRAM

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Summary of Contents for SpacePak ESP-2430JV

Page 1: ...A ONTARIO L5S 1L4 905 670 5888 FAX 905 670 5782 COPYRIGHT 2017 Central Air Conditioning Series 2 to 5 Tons Fan Coil Unit Air Supply Components MODEL ESP JV SYSTEM INSTALLATION OPERATION MAINTENANCE MANUAL ESPJV2 0218 W30 WG0890 SECTION 1 INTRODUCTION SpacePak System Design 2 Code Compliance 2 Air Distribution Requirements 2 Air Distribution Components 3 Shipment of Unit 5 SECTION 2 SYSTEM INSTALLA...

Page 2: ... installation must conform to the require ments of the local authority having jurisdiction or in the absence of such requirements to the National Board of Fire Underwriters regulations Fan coil unit meets ETL listing requirements All electrical wiring must be in accordance with the National Electrical Code ANSI NFPA No 70 latest edition and any additional state or local code requirements If an ext...

Page 3: ...ong R8 SUPPLY TUBING AC ST8 50 Flexible R8 insulated 2 I D and 6 1 4 O D Each section is 50 feet long INSTALLATION KITS Contains a specified amount of sound attenuating tubes kwik connects terminator plates incl spring clips screws winter supply air shut offs and a balancing orifice set to complete installation of room outlets Supplied in 2 AC IKLT 2 and 5 AC IKLT 5 outlet boxed quantities PLENUM ...

Page 4: ...mum 1 2 maximum 1 5 Excessive static pressure increases the air flow in individual runs and may cause some or all terminators to be noisy FIGURE 1 2 PLENUM TUBING LAYOUT ExAMPLES FOR GUIDANCE ONLY UNIT NO 1 UNIT NO 2 FAN COIL UNIT FAN COIL UNIT NO MORE THAN 60 OF CAPACITY ON ONE SIDE 30 MAX OF CAPACITY MINIMUM 18 MINIMUM 18 FIGURE 1 3 USE OF TEES For systems designed with a bullhead tee installed ...

Page 5: ...in the soffit area above kitchen cabinets see Figure 1 4 and in the top portion of closets see Figure 1 5 Terminators should always be out of normal traffic patterns to prevent discharge air from blowing directly on occupants And they should not be located directly above shelves or large pieces of furniture Outside wall or corner locations are recommended if the room has more than one outside wall...

Page 6: ...enum duct supply tubing refrigerant lines and conden sate drain line When installing the unit above a finished ceiling or living space install a secondary drain pan Always follow local code requirements FIGURE 2 2 VERTICAL UNIT DIMENSIONS AND CLEARANCES Inches Model System Capacity Nom Tons Suction Line Liquid Line Cond Drain FPT Return Inlet Dia Connections Recommended Condensing Unit Nominal Cap...

Page 7: ...ir box with sufficient frame lip to cover the opening See Figure 2 5 Where joists are 16 on center the return air box should fit between successive joists Where joists run in the opposite direction or to properly center the return it may be necessary to cut joists and install headers For wall return applications cut the return air opening to accommodate the return air box Do not place the opening ...

Page 8: ... pads supplied inside fan coil unit to platform top as shown in Figure 2 7 Place the unit on the fully prepared platform Do not secure the unit to the platform The weight of the unit will hold it in position STEP 5 CONNECTING REFRIGERANT LINES Connect refrigerant lines from the outdoor condensing unit to the fan coil unit in accordance with its manu facturer s sizing recommendations for the length...

Page 9: ...low local code requirements Refer to Figure 2 2 for condensate drain location Components for the PVC condensate trap are provided in a separate bag with fan coil unit see Fig 2 8 and should be cemented together with PVC pipe cement Do not use substitute trap Do not cut off or alter trap components Thread male adapter see Fig 2 8 into unit condensate line connection Assemble and cement remaining co...

Page 10: ... 230V to 115V shipped with the unit CWC HWC HP OB PWC FC Cooling Water Coil Present Cooling Water Coil Settings Switch 1 No Cooling Water Coil Present Heat Pump Present Heat Pump Settings Switch 3 No Heat Pump Present ON Potable Water Circulation Settings Switch 5 OFF Heating Water Coil Present Heating Water Coil Settings Switch 2 No Heating Water Coil Present Energized in Cooling Mode Changeover ...

Page 11: ...11 FIGURE 2 9 MODEL ESP JV STANDARD WIRING SChEMATIC ...

Page 12: ...FIGURE 2 10 SINGLE STAGE AIR CONDITIONING ONLY WIRING DIAGRAM 12 ...

Page 13: ...13 FIGURE 2 11 SINGLE STAGE AIR CONDITIONING WITh hW COIL WIRING DIAGRAM ...

Page 14: ...14 FIGURE 2 12 TWO STAGE hEAT PUMP AC WIRING DIAGRAM ...

Page 15: ...15 FIGURE 2 13 TWO STAGE hEAT PUMP AC WITh BACKUP BOILER hEAT WIRING DIAGRAM ...

Page 16: ...e 16 AA AA AA AA AA AA AA AA AA AA AA SOUND ATTENUATING TUBING THIS RADIUS TOO SHORT STUD SPACE TERMINATOR DRY WALL OR PLASTER 4 DIA 5 5 FIGURE 2 16 TERMINATOR MEASUREMENTS FIGURE 2 14 INCORRECT TUBING INSTALLATION IN INS INSULA INSULAT INSULATI INSULATIO INSULATION INSULATION INSULATION 3 8 INSULATION 3 8 INSULATION 3 8 N INSULATION 3 8 NO INSULATION 3 8 NOMINAL INSULATION 3 8 NOMINAL SHEET SHEET...

Page 17: ...m all supply tubing connections must be a minimum of 18 from any plenum tee plenum elbow or the fan coil unit Individual supply tubing runs must be a minimum of 6 feet even if the distance between the sound attenuat ing tubing and plenum is less than 6 feet Supply tubing comes in 100 foot sections R8 tubing comes in 50 foot sections and R6 tubing comes in 75 foot sections and may be cut to length ...

Page 18: ...e off to prevent air leakage Orient the plenum take off to match the curvature of the plenum duct Hand insert the four plenum take off fasteners one at a time such that each clip reaches the interior of the duct Using the SpacePak pliers snap the fasteners into place until they lock in place see Figure 2 22 NOTICE All four fasteners must be installed to assure an air tight fitting between plenum t...

Page 19: ...llow the same procedures to attach the return air duct to the return air box see Figure 2 25 FIGURE 2 25 TYPICAL CLOSET UTILITY ROOM INSTALLATION AAAAA AAAAA AAAAA AAAA AAAAA AAAAA AAAAA ROOM TERMINATOR WINTER SUPPLY SHUT OFF FIGURE 2 27 WINTER SUPPLY ShUT OFF FIGURE 2 24 RETURN AIR BOx INSTALLATION Direct Mount Filter Box Ductless Returns Center filter box over the eliptical flange of fan coil un...

Page 20: ...Remove the control box cover located on the side of the unit b With the unit powered and operating from a conventional thermostat ensure there is no conditioning call Thermostat is satisfied and switch the fan control to Manual or On to create a G call SECTION 3 START UP OPERATION NOTE IF NO AIRFLOW DURING W OR Y CALL POTENTIOMETER MAY BE IN OFF POSITION TURN CW TO AChIEVE AIRFLOW c Place the grou...

Page 21: ...5 2 0 2 5 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 S 0 0 0 5 1 0 1 5 2 0 2 5 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 St 0 0 0 5 1 0 1 5 2 0 2 5 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 Sta 0 0 0 5 1 0 1 5 2 0 2 5 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 Stat 0 0 0 5 1 0 1 5 2 0 2 5 200 250 300 350 400 450 500 550 600 650 ...

Page 22: ...500 600 700 800 900 1000 1100 1200 1300 Static P in 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 Static P in 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 Static P in W 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 Static P in WC 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 Sta...

Page 23: ... Static 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 Static 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 Static P 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 Static P 0 0 0 5 1 0 1 5 2 0 2 5 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 Static P i 0 0 0 5 1 0 ...

Page 24: ...ns 9 Check that temperature drop across evaporator coil in the indoor unit is between 20 F to 28 F NOTICE Do not introduce refrigerant liquid to system through suction port Liquid in the suction line may damage the compressor NOTICE Before adding refrigerant to system verify Item 5 in System Start up Adjustment section has been performed 10 Verify that system refrigerant is correct by measuring su...

Page 25: ...ollow System Start Up Adjustments procedures in Section 3 of this manual IF SYSTEM FAILS TO OPERATE 1 Check that thermostat switch is set for proper mode of operation and is set below room temperature 2 Check that outdoor unit is operating a Confirm that compressor and fan are operating properly b Confirm voltages to outdoor unit IF FAN AND COMPRESSOR AT OUTDOOR UNIT ARE NOT RUNNING 1 Check for tr...

Page 26: ...ure Check system refrigerant charge Charge to proper subcooling according to condensing unit manufacturer s instructions Check calculated heat gain to be sure Take necessary action that equipment is sized properly High Head Pressure Check condenser fan motor accord If defective replace fan motor ing to condensing unit manufacturer s instructions Check for dirty condensing unit coil Clean condensin...

Page 27: ...anual CONDITION ESP JV UNIT WILL NOT START BUT CONDENSING UNIT RUNS POSSIBLE CAUSE VERIFICATION SOLUTION Defective Thermostat With volt meter check resistance of If resistance thermostat is O K thermostat contacts If no resistance replace thermostat Loose Low Or High Voltage Wiring Check all wiring connections for Tighten all loose connections tightness Float Switch And Anti Frost Thermostat fan O...

Page 28: ...N With volt meter If no voltage fan relay is defective Switches Are Wired in check for 24v across terminal G on Replace it Series the fan relay and terminal C on low If read 24v relay is O K voltage terminal strip With volt meter check for 24v at If no voltage check coil for ice and terminals YT and YC on the low voltage drain pan for excessive water If ice terminal block check air filter return a...

Page 29: ...orifice supply tubing runs have been installed CONDITION EXCESSIVE NOISE AT TERMINATOR POSSIBLE CAUSE VERIFICATION SOLUTION Air Leak At Supply Air Plenum Check taped joint at adaptor Tape joint properly Adaptor Insulation at Outlet Not Installed Check for insulation at outlet Install insulation CONDITION SWEATING AT ESP JV UNIT SUPPLY OUTLET POSSIBLE CAUSE VERIFICATION SOLUTION Noisy Blower Motor ...

Page 30: ... full minute after turning on power for relay to close 1 With a volt meter check 24v across terminals R and C on the low voltage terminal block a If read 24v proceed to Step 2 b If no voltage check low voltage transformer 2 With a volt meter check 24v across terminals G and C on the low voltage terminal block a If read 24v proceed to Step 3 b If no voltage check thermostat fan circuit 3 Check for ...

Page 31: ... of coil WG SpacePak Motor Amps measured Amps Voltage measured Volts Air Temperatures Return indoor ambient FDB FWB Condensing unit outdoor ambient F AHU read 3 ft from fan discharge F last supply outlet F Refrigeration side Data Line sizes Liquid Suction Total equivalent length of lines Ft Vertical Rise Ft Condensing Unit Liquid psi Temp F Subcool F Suction psi Temp F Superheat F SpacePak Liquid ...

Page 32: ...J W28RWG0641 03 4860J W28RWG0641 04 5 TRANSFORMER ASSEMBLY ALL SIZES 460RWG1002 01 6 BLOWER ASSEMBLY ALL SIZES W35RWG0802 10 7 TERMINAL BLOCK HIGH VOLTAGE ALL SIZES W09RWG0422 01 8 ELECTRICAL CONTROL BOX COVER ALL SIZES 462RWG0913 01 9 SIDE ACCESS PANEL ASSEMBLY COIL SIDE ALL SIZES 462RWG0914 01 10 PRIMARY FLOAT SWITCH ALL SIZES 455RWG0543 01 11 CABLE CONNECTOR GROUND ALL SIZES W09RWG0313 01 12 CO...

Page 33: ...33 NOTES ...

Page 34: ...NOTES ...

Page 35: ...35 ...

Page 36: ...anship of the installer of the Product This limited warranty is conditional upon a shipment to the Manufacturer of that part of the Product thought to be defective Goods can only be returned with prior written approval from the Manufacturer All returns must be freight prepaid b determination in the reasonable opinion of the Manufacturer that there exists a defect in material or workmanship Repair ...

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