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Enviro VB09-36 Installation Operation & Maintenance Download Page 34

FORM ET145.18-IOM1 (115) 

 

 

ENVIRO-TEC 

34

 

APPENDIX: 

PSC MOTOR WIRING DIAGRAM 

 

 

 

Summary of Contents for VB09-36

Page 1: ...stallation operations maintenance Supersedes ET145 18 IOM1 513 Form ET145 18 IOM1 115 Issue Date January 21 2015 Vertical Stacked water source Heat Pump model VB VM VS09 36 Cabinet and Model VSCS09 36 Chassis r 410A LD18013 LD18014 ...

Page 2: ...t is essential that prior to performing any task on this equipment this individual shall have read and understood this document and any referenced materials This individual shall also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are used in this document to alert the reader to areas of...

Page 3: ...RING TO INSTALL UNIT 4 Literature 4 Shipping 4 Inspection Storage 4 Pre Installation 4 Rigging 5 RISER CABINET INSTALLATION 11 Cabinet Placement 11 Supply and Return Piping 12 Hoses 12 ELECTRICAL WIRING 15 Field Installed Power Wiring 15 Field Installed Low Voltage Wiring 15 Optional Surface Mount Thermostat Connection Wiring 15 Optional Remote Mounted Thermostat Wiring 15 Optional ADA Door Mounte...

Page 4: ...ting to the unit contact the office where you bought the unit You may also refer to the unit rating plate for a contact name B Shipping Cabinets and risers are shipped in one of the following configurations A Risers are attached to cabinet and cabinets are stacked on their side Chassis ships on separate skids B Risers ship loose packaged in boxes and sorted by floor Cabinets ship upright up to 4 p...

Page 5: ...tion correctly before the equipment is put into operation Never by pass or wire around any safety device Use gloves and protective goggles and where appropriate make sure to have a gas mask close at hand Also use electrical protection equipment and tools suited for electrical operation purposes Personnel must be qualified according to national safety rules and regulations The system should be inst...

Page 6: ...FORM ET145 18 IOM1 115 ENVIRO TEC 6 FIGURE 1 Cabinet Chassis Model Nomenclature ...

Page 7: ...FORM ET145 18 IOM1 115 ENVIRO TEC 7 ...

Page 8: ...c Blower Motor Diameter x Width in 9x4T 9x4T 9x7T 9x7T 10x7T 10x8T 10x8T Motor HP 0 10 0 10 0 17 0 25 0 33 0 33 0 50 ECM Blower Motor Diameter x Width in 9x4T 9x4T 9x7T 9x7T 10x7T 9x8 9x8 Motor HP 0 33 0 33 0 33 0 33 0 33 0 50 0 50 Hi Static ECM Blower Motor Diameter x Width in 9x4T 9x4T 9x7T 9x7T 10x7T 10x8T 10x8T Motor HP 0 33 0 33 0 33 0 33 0 33 0 50 0 50 Filter Quantity Size in 1 14x25x1 1 14x...

Page 9: ...ation is measured from base of cabinet and does not include stand height FIGURE 2 Cabinet Unit Dimensions Floor Sleeve Dimensions 80 or 88 B A 6 48 4 5 3 50 7 OPTIONAL 24V CONNECTION FOR SURFACE MOUNT REMOTE MOUNTED THERMOSTAT SWITCH PLATE w 2 SPD FAN SWITCH OPTIONAL DISCONNECT FUSES ADA MOLEX CONN 7 8 CONTROL ENTRANCE CHASSIS SERVICE PANEL ELECTRICAL BOX OPTIONAL FRONT SUPPLY OPENING RETURN AIR F...

Page 10: ...FORM ET145 18 IOM1 115 ENVIRO TEC 10 Note 1 Riser shut off valve is measured from base of cabinet and does not include stand height FIGURE 2A Cabinet Riser Dimensions ...

Page 11: ...e cabinet into final position 4 Raise the cabinet upright and lower the risers through the floor cut out aligning the risers into the swaged section of the unit on the floor below Take extra care not to scrape or dent risers during positioning The riser tailpiece should insert approximately 2 into the 3 long swaged section of the unit below To ensure correct riser positioning and to compensate for...

Page 12: ...h NPT type connections and matching risers with NPT shut off valve connections require a special hose kit complete with NPT to NPSH swivel adapter on the shut off valve and chassis connection see Diagram C to mate to factory hoses C HOSES Ensure the correct hose set is matched with the compatible unit size see Table 2 When installing NPSH factory provided hoses installer must follow these procedur...

Page 13: ... ET145 18 IOM1 115 ENVIRO TEC 13 Diagram A Standard Factory Supplied NPSH Hose Kits and Risers As of June 2013 Diagram B Optional Field Supplied Risers w Factory Supplied NPSH Hose Kits and Shut Off Valves ...

Page 14: ...FORM ET145 18 IOM1 115 ENVIRO TEC 14 For VB cabinets built prior to June 2013 Diagram C Conversion of NPT to NPSH type fittings VB Units with NPT fittings only ...

Page 15: ... terminal strip See Figure 4 for typical wiring connections Locate thermostat away from supply drafts Ensure the back of thermostat is sealed and protected from air drafts Short cycling can result in damage to unit RECOMMENDED WIRE SIZE MAX LOW VOLTAGE WIRE LENGTH 20 gauge 50 feet 18 gauge 75 feet 16 gauge 125 feet FIGURE 4 FIELD WIRING DIAGRAM Ensure that the control wiring between the thermostat...

Page 16: ... and return openings with plastic or cardboard to prevent dust or debris from entering the unit components 3 Install drywall using conventional construction methods Studs or drywall should not be fastened directly to the cabinet surface The spacing of the framing members will be dependent on the return air access and the type quantity of supply air outlets See Figures 7 and 8 4 Install sheetrock a...

Page 17: ...FORM ET145 18 IOM1 115 ENVIRO TEC 17 FIGURE 7 Critical Return Air Panel with Unit Cabinet Installation Dimensions ...

Page 18: ...RE 8 Return Air Panel Dimensions Note 1 See Figure 7 for additional R A panel and cabinet installation information FIGURE 9 R A Panel Cross Section Installation at Floor Level Cut away view for standard cabinet with no stand Add stand height to cabinet to obtain correct dimension of R A panel from floor ...

Page 19: ...FORM ET145 18 IOM1 115 ENVIRO TEC 19 FIGURE 9A Optional Return Air Panel with ADA Mounted Thermostat ...

Page 20: ...is recommended to apply 1 8 neoprene tape around the perimeter the volume damper prior to inserting into the supply opening See Figure 11 for an example This will assist in reducing noise transmission and air recirculation into unit closet For ducted openings connect the unit supply opening to the supply ductwork using a watertight flexible duct connector This will minimize the transmission of ope...

Page 21: ...FORM ET145 18 IOM1 115 ENVIRO TEC 21 FIGURE 11 Unit Mounted Supply Grille Installation Dimensions ...

Page 22: ... installation 5 Top opening size does not change When combined with any other discharge arrangement shallbe be included in determining horizontal opening grille size 6 Openings marked Not Available result in face velocities outside the recommended 300 500 FPM range 7 Hi Static Blower option is not recommended or single horizontal discharge openings with unit mounted supply grille UNIT SUPPLY FACE ...

Page 23: ...ngs will come with 4 1 4 supply plaster flange B Top Mounted Fresh Air with Motorized Damper Same features as in the top mounted fresh air intake option and including a motorized damper assembly inside the discharge collector box similar to depiction in Figure 12 Damper assembly can be easily removed for servicing see steps below Motorized damper assembly opens during FAN ON operation See Appendix...

Page 24: ...nit Shown Cabinet Dimensions Model A B C 09 12 17 8 12 15 24 20 12 14 30 36 24 16 18 1 Optional Fresh Air option comes with 4 1 4 R A flange 2 Optional front supply opening comes with 4 1 4 duct flange 3 All other openings come with standard 1 duct flange 4 Left and Right hand versions shown ...

Page 25: ...use a back up wrench when tightening the hose to the valve fitting Allow the hoses to hang free inside the cabinet Once chassis is slid into place attach the NPSH hoses to the NPSH fittings on the chassis stub outs projecting through the top of the compressor compartment access cover Always use a back up wrench to prevent twisting of the copper water piping within the chassis assembly Refer to the...

Page 26: ...pply grille return air panel and filter in place 6 Connect hoses to the chassis Ensure that the hoses will not be pinched once the chassis is slid into place 7 Check alignment of the chassis in the cabinet The chassis should be centered in the cabinet opening without touching the flanges on the sides of the cabinet opening 8 Complete the electrical connections to the chassis by means of the two qu...

Page 27: ...ostat switch to the OFF position The compressor and fan should stop running and the reversing valve should de energize 6 Leave the unit off for approximately 5 minutes to allow for pressure equalization 7 Turn the thermostat to the lowest setting 8 Set the thermostat system switch to the HEAT position The compressor should NOT run 9 Adjust the temperature setting upward until the compressor and su...

Page 28: ...255 240 225 LOW 255 250 240 230 220 210 HIGH 445 435 425 415 400 385 370 355 340 320 295 LOW 350 345 335 325 315 305 290 HIGH 580 570 560 550 535 520 505 485 465 445 425 LOW 385 380 375 370 365 355 345 335 HIGH 700 690 675 660 635 615 595 575 550 525 495 LOW 450 445 440 435 430 425 HIGH 880 855 835 815 795 770 740 710 680 650 615 LOW 715 710 705 690 670 650 630 605 580 HIGH 1115 1100 1075 1050 102...

Page 29: ...265 1235 1206 1184 1163 1141 1118 1085 1051 1008 965 913 861 36 1220 840 24 850 571 30 1075 701 15 550 312 18 685 408 External Static Pressure in w g 09 340 220 12 430 290 Unit Size Motor Speed Rated CFM Min CFM ECM TAP 0 0 05 0 1 0 15 0 2 0 25 0 3 0 35 0 4 0 45 0 5 0 55 0 6 0 65 0 7 0 75 1 278 252 226 212 198 189 180 2 342 317 292 276 259 247 236 228 220 214 207 3 411 382 354 334 315 300 286 279 ...

Page 30: ... be reset by opening and closing the unit mounted disconnect switch If the unit must be reset more than twice on consecutive operating cycles check the unit for a dirty filter abnormal entering water temperature inadequate or excessive water flow or refrigerant circuit malfunction If the unit continues to cutout contact a trained service technician 13 UNIT CONTROLS The control system microprocesso...

Page 31: ... will re energize the halted compressor Condensate Overflow Switch A Condensate Overflow fault occurs if the Condensate Overflow switch opens continuously for 30 seconds The compressor is shutdown regardless of Minimum Run Time and alarm 15 is set Fan continues operating in its current state The control logs the first incident per compressor request Lockout occurs on the second fault occurrence wi...

Page 32: ...ive seconds it scans the bus and then assigns itself the first available address starts at 2 It then flashes that address one time Pressing the button two times within five seconds causes the control to flash the address Communication The communication protocol is MODBUS using the RTU method of packet framing at 19200 baud rate TABLE 6 Flash Codes Flash Codes Description On Steady Control Failure ...

Page 33: ...uld be checked for leaks Make any repairs as required 7 Set the loop temperature controls to raise the temperature to approximately 85o F Perform a visual check for any leaks that may have occurred due to the increased heat Repair as required 8 Open the drain at the lowest point in the system make up water flow rate must be equal to rate of drain bleed Continue to bleed system until water leaving ...

Page 34: ...FORM ET145 18 IOM1 115 ENVIRO TEC 34 APPENDIX PSC MOTOR WIRING DIAGRAM ...

Page 35: ...FORM ET145 18 IOM1 115 ENVIRO TEC 35 ECM WIRING DIAGRAM ...

Page 36: ...FORM ET145 18 IOM1 115 ENVIRO TEC 36 CONTINUOUS FAN WITH ECM WIRING DIAGRAM ...

Page 37: ...FORM ET145 18 IOM1 115 ENVIRO TEC 37 MOTORIZED DAMPER ECM WIRING DIAGRAM ...

Page 38: ...st be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect HFC refrigerants Systems must be charged with refrigerant Use a commercial type metering device in the manifold hose R 410A can only be used with POE type oils POE type oils rapidly absorb moisture from the atmosphere Vacuu...

Page 39: ...FORM ET145 18 IOM1 115 ENVIRO TEC 39 NOTES ...

Page 40: ...ennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright 2015 ALL RIGHTS RESERVED Form ET145 18 IOM1 115 Issue Date January 21 2015 Supersedes ET145 18 IOM1 513 800 861 1001 www enviro tec com ...

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