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Summary of Contents for Enviro VS09-36
- Page 1 Indoor Packaged equIPement Supersedes: ET145.18-IOM1 (513) Form ET145.18-IOM1 (115) InstallatIon, oPeratIons, maIntenance VertIcal stacked water source Heat PumP model VB/Vm/Vs09-36 caBInet model Vscs09-36 cHassIs LD18014 LD18013 r-410a Issue Date: January 21, 2015...
- Page 2 The manufacturer will not be responsible for damages/problems resulting from improper connections to the controls or application of improper control signals. Failure to follow this will void the manufacturer’s warranty and cause serious damage to property or injury to persons. ENVIRO-TEC...
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Page 3: Table Of Contents
ENVIRO-TEC service office. has been modified and if current literature is available. TABLE OF CONTENTS NOTICE &... -
Page 4: Notice & Disclaimer
Customer modifications to ENVIRO-TEC certified products are prohibited. Check the unit for indications of damage in shipment. The manufacturer has certified the product as being compliant Notify the Transportation company of any damage and with applicable government and/or industry standards. -
Page 5: Rigging
/ unit is operating. through trial lifts to account for possible variations in unit configuration. Use rigging and lifting techniques that keep unit stable and level. Keep clear of unit when lifted. ENVIRO-TEC... - Page 6 FORM ET145.18-IOM1 (115) FIGURE 1 – Cabinet & Chassis Model Nomenclature ENVIRO-TEC...
- Page 7 FORM ET145.18-IOM1 (115) ENVIRO-TEC...
- Page 8 1-14x25x1 1-14x25x1 1-16x30x1 1-16x30x1 1-16x30x1 1-20x30x1 1-20x30x1 Cabinet Weight (lb) Chassis Weight (lb) 1) Nominal Capacity calculated in accordance with ARI/ISO Standard 13256-1 for Water Loop Application. 2) Cabinet weight is approximate and does not include weight of risers. ENVIRO-TEC...
- Page 9 3) Condensate P-trap is accessible from front by removing bottom cover plate. 4) Riser and shut-off location is measured from base of cabinet and does not include stand height. FIGURE 2 – Cabinet Unit Dimensions & Floor Sleeve Dimensions ENVIRO-TEC...
- Page 10 FORM ET145.18-IOM1 (115) Note: 1) Riser shut-off valve is measured from base of cabinet and does not include stand height. FIGURE 2A – Cabinet Riser Dimensions ENVIRO-TEC...
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Page 11: Riser/Cabinet Installation
If the temperature range of the system will exceed the allowed expansion and contraction limits (1-1/2 inches maximum), riser compensation provisions must be made by the installing contractor. ENVIRO-TEC... -
Page 12: Supply And Return Piping
Tighten by hand screw connections to male NPSH fitting on shut-off valve. Hold ferrule stationary when tightening. Tighten by hand then using a back up wrench tighten a further quarter (1/4) turn only. Do not over-tighten! ENVIRO-TEC... - Page 13 FORM ET145.18-IOM1 (115) 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 ENVIRO-TEC...
- Page 14 FORM ET145.18-IOM1 (115) * For VB cabinets built prior to June 2013 Diagram C – Conversion of NPT to NPSH type fittings (VB Units with NPT fittings only)* ENVIRO-TEC...
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Page 15: Electrical Wiring
Using a plastic bushing pass harness inside electrical box to 18 gauge 75 feet factory wired mating molex harness. See Figure 5 below. Thermostat pigtail molex harness is shipped loose for field 16 gauge 125 feet wiring to thermostat terminals. ENVIRO-TEC... -
Page 16: Optional Ada Door Mounted Thermostat
Appendix electrical with stand. A left hand opening door is shown. R.A Panel schematics. with ADA is not reversible and must be ordered in either Left or Right hand opening configuration, determined by location of door hinge. ENVIRO-TEC... - Page 17 FORM ET145.18-IOM1 (115) FIGURE 7 – Critical Return Air Panel with Unit Cabinet Installation Dimensions ENVIRO-TEC...
- Page 18 1) Dimensions shown do not include optional stand height. FIGURE 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 ENVIRO-TEC...
- Page 19 FORM ET145.18-IOM1 (115) FIGURE 9A – Optional Return Air Panel with ADA Mounted Thermostat ENVIRO-TEC...
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Page 20: Supply Air Ductwork
FIGURE 10 – Supply Grille with Volume Damper and 1/8” This will minimize the transmission of operating sounds Neoprene Tape Applied To Perimeter through the supply ductwork. Elbows with turning vanes or splitters are recommended to minimize air noise due to turbulence and to help reduce static pressure. ENVIRO-TEC... - Page 21 FORM ET145.18-IOM1 (115) FIGURE 11 – Unit Mounted Supply Grille Installation Dimensions ENVIRO-TEC...
- Page 22 2.Face velocities are based on the nominal rated CFM and in feet per minute (FPM). 3. Face velocities are calculated by taking the averate across all openings. Tabulated top opening face velocity is only for units with single Top Opening and no horizontal openings. ENVIRO-TEC...
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Page 23: Top Mounted Fresh Air Supply Opening
Drop the plate Ensure the plastic tabs are secured to the metal body down, disconnect the quick-connect terminals from the bracket. Connect quick-connect terminals and insert harness. damper assembly into discharge collector box. Fasten using screws. ENVIRO-TEC... - Page 24 15-24 30-36 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. ENVIRO-TEC...
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Page 25: Chassis Installation
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 following page for proper chassis installation. ENVIRO-TEC... - Page 26 11. Install service panel. If not done already, install the Return Air panel into the drywall opening. Refer to Section 6. Secure the panel into the drywall with six screws. ENVIRO-TEC...
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Page 27: Unit Start-Up
Water temperature leaving the heat exchanger should be MAX. ENTERING WATER warmer than the entering water temperature (approx. 9- F). Blower operation should be smooth. Compressor and blower amps should be within the nameplate data ENVIRO-TEC... -
Page 28: Fan Speed Adjustment
HIGH 1180 1170 1160 1145 1130 1110 1090 1070 1050 1025 1000 1075 HIGH 1340 1320 1295 1270 1245 1220 1190 1160 1130 1100 1070 1040 1010 1220 1180 1170 1160 1145 1130 1110 1090 1070 1050 1025 1000 ENVIRO-TEC... - Page 29 1085 1051 1008 1462 1418 1375 1331 1287 1241 1194 1153 1112 1053 Note: All airflow ratings are at lowest voltage rating of dual rating (i.e. 208 volt). Airflow ratings include resistance of wet coil and clean air filters. ENVIRO-TEC...
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Page 30: Maintenance
When the room t-stat calls for cooling, the low-voltage control circuit from “R” to “Y1”and “G” is completed. The compressor and fan motor are energized. After completing the specified fan on delay for cooling, the micro processor control will energize the blower motor. ENVIRO-TEC... - Page 31 This is to verify that the micro processor is functioning correctly. Do not confuse this with an error flash code. To prevent confusion, a 1-flash, fault code is not used. See Table 6 for list of all flash codes. ENVIRO-TEC...
- Page 32 Pressing the button two times within five seconds causes 1. These flash codes do not represent alarms. the control to flash the address. Communication The communication protocol is MODBUS using the RTU method of packet framing at 19200-baud rate. ENVIRO-TEC...
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Page 33: System Flushing And Cleaning
The water loop testing should performed intervals recommended by the professional water treatment consultant. It is up to the customer to carry out adequate water loop maintenance over the lifespan of the units otherwise damage to the units may occur. ENVIRO-TEC... -
Page 34: Appendix
FORM ET145.18-IOM1 (115) APPENDIX: PSC MOTOR WIRING DIAGRAM ENVIRO-TEC... - Page 35 FORM ET145.18-IOM1 (115) ECM WIRING DIAGRAM ENVIRO-TEC...
- Page 36 FORM ET145.18-IOM1 (115) CONTINUOUS FAN WITH ECM WIRING DIAGRAM ENVIRO-TEC...
- Page 37 FORM ET145.18-IOM1 (115) MOTORIZED DAMPER ECM WIRING DIAGRAM ENVIRO-TEC...
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Page 38: R-410A Quick Reference Guide
Do not use an R-22 TXV. If a TXV is to be used, it must be an R-410A TXV. • Never open system to atmosphere when under vacuum. • If system must be opened for service, evacuate system then break the vacuum with dry nitrogen and replace filter driers. ENVIRO-TEC... - Page 39 FORM ET145.18-IOM1 (115) NOTES ENVIRO-TEC...
- Page 40 P.O. Box 1592, York, Pennsylvania USA 17405-1592 800-861-1001 Subject to change without notice. Printed in USA Copyright © 2015 www.enviro-tec.com ALL RIGHTS RESERVED Form ET145-18-IOM1 (115) Issue Date: January 21, 2015 Supersedes: ET145-18-IOM1 (513)
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