United CoolAir VertiCool CLASSIC Installation, Operation And Maintenance Manual

Single package vertical unit
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VertiCool
CLASSIC
Single Package Vertical Unit (SPVU)
Installation, Operation and Maintenance Manual
Effective June 2017
Air-Cooled, Water-Cooled,
Chilled Water and Water Source Heat Pump

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Table of Contents
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Summary of Contents for United CoolAir VertiCool CLASSIC

  • Page 1 VertiCool CLASSIC ™ Single Package Vertical Unit (SPVU) Installation, Operation and Maintenance Manual Effective June 2017 Air-Cooled, Water-Cooled, Chilled Water and Water Source Heat Pump...
  • Page 3: Table Of Contents

    Cooling Mode ��������������������������������������������������������������38 Interconnecting Refrigerant Tubing �����������������������������15 Electrical ����������������������������������������������������������������������38 Condensate Pump �������������������������������������������������������17 Heating Mode (Optional) ���������������������������������������������38 Controls �����������������������������������������������������������������������������18 Verticool Classic Basic Model Designation������������������������39 Thermostat ������������������������������������������������������������������18 LIMITED WARRANTY �������������������������������������������������40 Microprocessor Controller �������������������������������������������18 FACTORY TESTED ����������������������������������������������������40 Subject to change without notice. 20.10-IM (0617)
  • Page 4: Important Notice

    Installation, Operation and Maintenance Manual VertiCool Classic Important Notice This manual is the property of the owner. Please be sure to leave it with the owner when you leave the job. Use of Symbols This publication includes warnings, cautions and information icons that point out safety related issues or conditions as well as other pertinent information relative to a safe installation, service or maintenance situation�...
  • Page 5: General Information

    Inspect the unit data plate to verify the model unit that was to freezing temperatures� ordered is what has been received� The VertiCool Classic has been designed to be installed as Some options / accessory items may have been shipped a single package floor mounted unit.
  • Page 6: Unit Vibration Isolation

    Installation, Operation and Maintenance Manual VertiCool Classic Unit Vibration Isolation above the other� It is best to direct discharge air up and away from pedestrian walkways as well� When installing any floor mounted unit, it is generally not We do not recommend multiple installations between closely necessary to provide any unit vibration isolation�...
  • Page 7: Length Of Ductwork For Discharge Air ����������������������������7 Evaporator And Air-Cooled Condenser Coils

    “I” from entering the duct system� Length of Ductwork for Discharge Air The VertiCool Classic unit should be located a minimum distance from the louvered wall to maximize efficiency of the 4" blower� Certain conditions and obstructions at the fan inlet [101�5 mm]...
  • Page 8: Application Data ������������������������������������������������������������8 Finned Coil Cleaning

    Based on formulas in ASHRAE Fundamentals – Duct Design, Chapter 34, the following minimum intake and discharge The VertiCool Classic units can be shipped as a single 100% Effective Duct Lengths (EDL) are recommended: package or as a split package which is assembled in the field.
  • Page 9: General Ductwork Recommendations

    Installation, Operation and Maintenance Manual VertiCool Classic General Ductwork Recommendations This negative pressure can vary from less than 1” up to 2” column. The condensate trap must be of sufficient depth in 1. Please make sure that all duct work, evaporator return...
  • Page 10: Electrical

    Installation, Operation and Maintenance Manual VertiCool Classic Electrical 3. Once slight resistance is evident, continue to tighten the fittings using the appropriate size wrenches listed in Table 1� Please note that it is important to support the ELECTRICAL HAZARD male side of the fitting with a wrench when tightening the female side with a wrench�...
  • Page 11: Transformer �����������������������������������������������������������������11 Cooling - - Chilled Water

    Installation, Operation and Maintenance Manual VertiCool Classic 7. Use copper conductors only� The unit must be earth INFORMATION grounded using the ground lug provided in the electrical Unit wiring and components have been box� designed for the specific unit application 8.
  • Page 12: Voltage Unbalance

    Installation, Operation and Maintenance Manual VertiCool Classic Pressure Switches Voltage Unbalance Voltage unbalance occurs when the RMS line voltages on High Pressure a 3-phase power supply are unequal� Voltages are never balanced between phases, but if the level of the unbalance...
  • Page 13: Water Piping And Connections

    Installation, Operation and Maintenance Manual VertiCool Classic Water Piping and Connections INFORMATION Both the water inlet and outlet of the condensing section It is advantageous to record the inlet and should be equipped with field supplied shut off valves. This...
  • Page 14: System Options

    Installation, Operation and Maintenance Manual VertiCool Classic System Options Control wiring will need to be installed from the steam valve back to the unit control panel� Follow all National Electrical Codes and Local Codes as required� Humidifier A pan is included under any hot water coil or steam coil� A The optional steam humidifier that comes with the unit condensate trap will need to be installed for this drain pan�...
  • Page 15: Split Systems

    Installation, Operation and Maintenance Manual VertiCool Classic evaporator� The jack stands, if required, will be placed inside power supply to the connections located with the heater� the air side economizer section� The mounting hardware will Follow all National Electrical Codes and Local Codes as be attached to the jack stand flange.
  • Page 16 Installation, Operation and Maintenance Manual VertiCool Classic 1. Temporarily hand thread the female halves of the self- 7. Leak check line sets with nitrogen at 500 psig� After sealing couplings (supplied with the interconnect kit) brazing the tubing to the self-sealing coupling halves, onto the male couplings, approximately 1 to 1-1/2 turns�...
  • Page 17: Condensate Pump �������������������������������������������������������17 Heating Mode (Optional)

    Installation, Operation and Maintenance Manual VertiCool Classic c. For 5/8” liquid line – add 1�8 oz� per foot d. For 7/8” liquid line – add 2�4 oz� per foot Condensate Pump Evaporator Condensing If an optional condensate pump is to be used, it will be...
  • Page 18: Flooded Condenser

    Installation, Operation and Maintenance Manual VertiCool Classic Controls The valve is placed in the liquid line after the condenser coil� The receiver is downstream of the valve� The valve limits the flow of liquid refrigerant from the condenser while at the...
  • Page 19: Maintenance Procedures

    Installation, Operation and Maintenance Manual VertiCool Classic Maintenance Procedures high condensing temperature and higher fluid pressure drop. ELECTRICAL HAZARD All of these affect the operating performance and efficiency of the system and need to be addressed� Turn OFF power and lockout service before conducting any maintenance�...
  • Page 20: Blower Speed Adjustment

    Installation, Operation and Maintenance Manual VertiCool Classic Blower Speed Adjustment Duty Grease Interval Low Usage 12 Months Blower speed may be changed by adjusting the variable diameter sheave provided on the blower drive motor� Periodic 6 Months Sheave may be adjusted by removing the belt and loosening Continuous 1 –...
  • Page 21 Installation, Operation and Maintenance Manual VertiCool Classic Refer to Figure 10 – Belt Tensioning below� When the indicator is pink or purple, an abnormal condition exists, servicing is required� INFORMATION Deflection Point After installation and during equipment start-up, the sight glass may appear pink or purple�...
  • Page 22: Water Side Economizer Coil

    Installation, Operation and Maintenance Manual VertiCool Classic CAUTION INFORMATION Verify that this timer is set for 3 or more Confirm that any coil cleaning agents, detergents or solutions are suitable for minutes� use on a copper tube/aluminum fin coil. If...
  • Page 23: Cooling - - Water-Cooled

    Installation, Operation and Maintenance Manual VertiCool Classic Adjustments should be made in small increments, a. Lower thermostat set point to lowest level� allowing the system to stabilize after each turn. b. Set System switch to “OFF” position� 5. Vary the evaporator load to test at various conditions c.
  • Page 24: Troubleshooting Guide

    Installation, Operation and Maintenance Manual VertiCool Classic Troubleshooting Guide ELECTRICAL Turn OFF power to unit before conducting any troubleshooting, unless the tests you are performing require system operation� Keep hands, clothing and tools HAZARD clear of electrical terminals� Make sure to keep hands and clothing clear of any moving belts, blowers and WARNING motors while performing any tests�...
  • Page 25 Installation, Operation and Maintenance Manual VertiCool Classic PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION Evaporator 1. Lack of air flow 1. Check filters and coil for any blockages coil ices 2. Low return air temperature 2. Replace filters if dirty 3. Loss of refrigerant charge 3.
  • Page 26 Installation, Operation and Maintenance Manual VertiCool Classic PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION Suction 1. Flash gas in liquid line 1. Check for refrigerant leak pressure 2. Obstructed expansion valve 2. Repair leak, evacuate and recharge refrigerant too low 3. Loss of fluid in expansion valve bulb system�...
  • Page 27: Limited Warranty

    United CoolAir warrants this product to be free from defects Some states (provinces) do not allow the disclaimer of in factory workmanship and material under normal use and...
  • Page 28 (such as concentrations of acids United CoolAir does not assume, or authorize any other or halogenated hydrocarbons)� person to assume for United CoolAir, any other liability for 6. Damages resulting from inadequacy or interruption of the sale of this product�...
  • Page 29 Installation, Operation and Maintenance Manual VertiCool Classic Limited Warranty Condensing Section United CoolAir warrants this product to be free from defects plumbing and wiring not integral to the product� in factory workmanship and material under normal use and 13. Damages resulting from improper application or sizing service and will, at its option, repair or replace any parts that of unit�...
  • Page 30 United CoolAir does not assume, or authorize any other 7. Cleaning or replacement of filters or belts. person to assume for United CoolAir, any other liability for 8. Damages resulting from failure to properly and the sale of this product�...
  • Page 31: Air-Cooled Unit

    Installation, Operation and Maintenance Manual VertiCool Classic Air-Cooled Unit Start-Up Procedures (R-410a Systems) Some of the numbered items below are referenced on the 12. Record the voltage at the unit terminals� Start Up Form that needs to be completed� 13. If possible with the thermostat provided, switch the This procedure has been created based on utilizing a evaporator blower to the RUN position�...
  • Page 32: Optional Heating Start

    Installation, Operation and Maintenance Manual VertiCool Classic Start-Up Procedures (R-410a Systems) Continued: 21. Using an appropriate pressure / temperature chart for c. The blower motor FLA values should never be R-410a refrigerant, look up and record the saturation exceeded� temperature corresponding to the suction pressure�...
  • Page 33: Start-Up Procedures

    Installation, Operation and Maintenance Manual VertiCool Classic Air-Cooled Unit Job Name: _________________________________ Date:____________ Start-Up Procedures Address: ____________________________________________________ Complete the form by listing your City: ___________________________ State: ________ZIP ____________ name, company name, phone and Country: ____________________________________________________ fax number� Sign and date the form and provide a copy as required to all Unit Model No.: ______________________________________________...
  • Page 34: Cooling Mode

    Installation, Operation and Maintenance Manual VertiCool Classic Evaporator External Static Pressure ��������������������������(ESP): ____________ In� WG ________________ _________________________________________________________________________________________________ Condenser External Static Pressure ��������������������������(ESP): ____________ In� WG ________________ _________________________________________________________________________________________________ Cooling Mode _________________________________________________________________________________________________ System Air Temperatures �������������������������������������Return: °F _________ Supply: °F _________________ _________________________________________________________________________________________________ Condenser Coil �������������������������������������Outdoor Ambient: °F ___________ Condenser Discharge: °F ____________...
  • Page 35: Water-Cooled Unit

    Installation, Operation and Maintenance Manual VertiCool Classic Water-Cooled Unit Start-Up Procedures (R-410a Systems) 1. Start up must be performed by a qualified HVAC 14. Verify that the evaporator blower is rotating in the Technician� correct direction (three phase units only)�...
  • Page 36: Optional Heating Start

    Installation, Operation and Maintenance Manual VertiCool Classic Start-Up Procedures (R-410a Systems) Continued: 22. Record the entering and leaving fluid temperatures. a. Make sure the pressures on each compressor circuit are within the proper limits: b. Make sure the leaving fluid temperature is within the proper limits: i.
  • Page 37: Water-Cooled Unit

    Installation, Operation and Maintenance Manual VertiCool Classic Water-Cooled Unit Job Name: _________________________________ Date:____________ Start-Up Procedures Address: ____________________________________________________ Complete the form by listing your City: ___________________________ State: ________ZIP ____________ name, company name, phone and Country: ____________________________________________________ fax number� Sign and date the form Unit Model No.: ______________________________________________...
  • Page 38: Electrical

    Installation, Operation and Maintenance Manual VertiCool Classic Verify that unit piping and heat exchangers will not be subject to freezing conditions� ������������������������������������������������������������������������������Yes ___________ No ___________ No cooling fluid leaks����������������������������������������������� Circuit 1 ___________ Circuit 2 _________________ Cooling Fluid Type If Glycol what percentage of mix:� ______________________ Good to a temperature of ______________________ Water / Fluid flow rate ���������������������������������������������������...
  • Page 39: Verticool Classic Basic Model Designation

    Installation, Operation and Maintenance Manual VertiCool Classic BASIC MODEL DESIGNATION EXAMPLE: — — a� “VA”, “VW”, “VHW”, “E”, “BVA”, “BCVA”, “BVW” or “VCW” “VA” Air-Cooled Air Conditioner “VW” Water-Cooled Air Conditioner “VHW” Water Source Heat Pump “E” Evaporator Section only as a prefix to any of the above “BVA”...
  • Page 40: Limited Warranty

    Engineered to Order LIMITED WARRANTY Authorized Distributor: United CoolAir Units are backed by a 1 year limited warranty on parts and a 5 year limited warranty on the compressor (labor not included). Maintenance items such as filters and belts are excluded under this limited warranty�...

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