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Air innovations HEPAir 24S050, Инструкция по установке, эксплуатации и обслуживанию, Страница: 41 / 51

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41 

Unit is operating and blows evaporator air, 

 

but the supply air is not colder than the return air from the space 

Possible Cause 

Solution 

Compressor not operating                                     High pressure switch open (button up) 
                                                                               Alarm will appear on thermostat 

Condenser airflow is blocked                                Remove blockage 
Clean filter and coil (if needed) 

High pressure (HP) switch is open                       Reset HP switch 
                                                                              

See reset instructions on page 65                                                                              

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Possible Cause 

 

 

 

    

Solution 

 

Thermostat set too low on cooling 

 

 

Reset thermostat to higher cooling  

 

 

 

 

 

 

 

temperature 

 

Heating coil (optional) not operating  

 

Check for temperature rise across coil 

 

Thermostat set too low on heating 

 

 

Reset thermostat to higher heating 

                        temperature 

 

Thermostat not controlling temperature 

 

Thermostat mounted in improper location 

 

 

Space Temperature is too cold when unit is not running 

 
Possible Cause 

 

 

 

 

Solution 

 

Too much heat loss to adjacent spaces 

 

Increase insulation around the ductwork 

 

 

 

 

 

 

 

Check and clean filter and coil 

 

 

 

 

 

 

 

Coil frozen – shut off unit for two hours 

 

Space load is too high  

 

 

            Install additional insulation 

 

 

 

 

 

 

 

Replace with larger sized unit 

 

 
 

Problems Controlling Space Temperature 

NOTE: Problems are occurring even though the unit seems to be fully operational 
evaporator fan blows air into the space and compressor and condenser fan runs. 

 

Содержание HEPAir 24S050

Страница 1: ...stallation Operation and Maintenance Manual Model shown may not be reflective of your model Manufactured by 7000 Performance Drive North Syracuse NY 13212 Edition 10 2018 Air Innovations 2018 Part No...

Страница 2: ...w Illustration of water cooled system 12 Wiring Diagram for HEPAir 13 Wiring Diagram for HEPAir with Remote Control 14 HEPAir Dimensional Data 15 HEPAir Dimensional Data 16 HEPAir Specifications Sheet...

Страница 3: ...Ductwork 32 Cold Air to from the Conditioned Space 32 Warm Air to from Condenser 32 Duct Adapter Sizes 32 Ducting Options 33 Single Outlet Duct Installation 33 Inspection and Start up Checklists 34 R...

Страница 4: ...g 42 Humidity too high when unit is not running 43 Humidity too high when unit is running and cooling 43 Other Miscellaneous Problems 43 Unit operates but the power switch light is not ON 43 Unit is l...

Страница 5: ...word evaporator refers to the evaporation of the refrigerant from liquid to gas phase in the coil The Evaporator Section is connected to or inside the space to be conditioned Flexible Duct Round ducts...

Страница 6: ...before signing Inspect all equipment for any sign of damage caused during transit Report all visual or concealed damage to the carrier and file a claim immediately Thoroughly inspect the contents for...

Страница 7: ...h unit is furnished with a sealed UL approved power cord and plug The HEPAir space cooling system is completely self contained and includes either an integral air cooled or water cooled condenser The...

Страница 8: ...aporator and condenser fans are capable of rated CFM against the external static pressure imposed by recommended ductwork Both fans are motorized impeller plug fans statically and dynamically balanced...

Страница 9: ...option contains duct collars or filter rack with filter The number of options needed depends on the layout The size of the collars or filters depends on the model HEPAir selected Follow installation...

Страница 10: ...d controls are located in a separate area accessible on the side of the unit All wiring is in accordance with the NEC Wires are numbered and color coded to match the wiring diagrams Factory Tested All...

Страница 11: ...11 General Overview Illustration of the HEPAir Unit may not be representative of all applications Fig 1 Fig 2...

Страница 12: ...12 Overview Illustration of water cooled system Fig 3 Fig 4 Water In...

Страница 13: ...13 Wiring Diagram for HEPAir Fig 5...

Страница 14: ...14 Wiring Diagram for HEPAir with Remote Control Fig 6...

Страница 15: ...15 HEPAir Dimensional Data...

Страница 16: ...p discharge location Inches 23 38 23 38 37 19 E Cond discharge location Inches 9 25 9 25 12 31 F Inlet opening width Inches 10 10 18 88 G Drain outlet location Inches 16 31 16 31 28 75 H Discharge ope...

Страница 17: ...825 3268 315 452 7400 www airinnovations com info airinnovations com Type Capacity water temp of 60 Deg F Capacity water temp of 90 Deg F Capacity water temp of 100 Deg F Condensate Drain connection I...

Страница 18: ...0 450 8266 1075 70F 45 RH 300 450 7825 1697 70F 50 RH 300 450 7503 2245 70F 55 RH 300 450 7081 2880 70F 35 RH 450 450 9965 0 70F 40 RH 450 450 9971 0 70F 45 RH 450 450 9312 806 70F 50 RH 450 450 9062...

Страница 19: ...49 70F 45 RH 550 800 14728 3985 70F 50 RH 550 800 14157 4960 70F 55 RH 550 800 13443 6257 70F 35 RH 800 800 18909 227 70F 40 RH 800 800 18174 1278 70F 45 RH 800 800 17174 2737 70F 50 RH 800 800 16422...

Страница 20: ...ould appear in the manual DANGER HIGH VOLTAGE RISK OF SERIOUS INJURY OR DEATH High voltages are present in the cabinets Before opening panels turn off all power Use the Lockout Tagout procedure Warnin...

Страница 21: ...ation and maintenance of this equipment is to be performed only by qualified personnel who are familiar with local codes and regulations and are experienced with this type of equipment Safety Hazards...

Страница 22: ...lectrical system Main Power Switch The main power switch is located on the side of the HEPAir unit See Overview Illustration on page 12 It shuts off the power to the unit Energy Type Electrical Hazard...

Страница 23: ...ounding prong The wide blade or the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the...

Страница 24: ...ARNING RISKOFPERSONALINJURY ORDAMAGETOEQUIPMENT Modification to the equipment may cause injury or damage to the equipment DANGER This equipment is heavy Place the unit on the floor or on a level and s...

Страница 25: ...es in the room to achieve the temperature gradient and circulation preferred Locate the electrical power close to the unit Do not use an extension cord Does the condenser heat exhaust need to be ducte...

Страница 26: ...ondenser outlet The grille is removable and can be replaced with a duct collar should warm air need to be ducted away from the mounting area Additional grilles can be purchased as an option and as wal...

Страница 27: ...nit on a platform to ensure that the unit is supported on all for corners Leave adequate space on the top of the unit to remove the access doors for service In all cases the unit must be level to with...

Страница 28: ...ed higher than the rim of the sink in order for the water to drain by gravity Install with a one quarter inch per linear foot of pitch Do not tie the condensate drain line directly into the sanitary s...

Страница 29: ...ht Fig 1 Plug configurations If option ordered IMPORTANT The electrical power supply must be either 115 volts or 230 volt AC 1 phase 60 cycle depending on the model of the unit and cannot vary more th...

Страница 30: ...ot air out of the ambient space NOTE Do not exceed a total of 25 feet for combined supply and return duct work Recommended Insulated Flexible Ductwork Sizing Chart Ductwork Diameters inches HEPAir 60...

Страница 31: ...e for a smoother interior with less air resistance For a 90 degree bend insert a metal elbow inside the flexible duct to avoid crimping Do not squeeze or reduce the inside diameter of the ducts This r...

Страница 32: ...om occupants Connect ductwork to another space within the ambient or to the outdoors if the heat being exhausted is undesirable Duct Adapter Sizes 60Hz models MODEL LOCATION ROUND OPENING SIZE FLANGE...

Страница 33: ...33 Ducting Options Single Outlet Duct Installation Supply Air to Space Supply Air to Space Supply Air to Space Supply Air to Space Supply Air to Space...

Страница 34: ...provided Hot water provided to humidifier Drain lines and trap installed properly Ductwork fittings and grilles installed properly All cold duct surfaces insulated Starting up the Unit General visual...

Страница 35: ...mperature Setting the Thermostat Follow the instructions shipped with your thermostat or with the remote PID controller Regulating the Space to be Conditioned Temperature The space to be conditioned m...

Страница 36: ...pen will feed hot gas directly into the Cooling coil and therefore increase the cooling coil leaving air temperature if that would be helpful for the application Air Innovations does not recommend mak...

Страница 37: ...EXPOSURE TO MICROBIAL GROWTH MOLD CAN CAUSE SERIOUS HEALTH PROBLEMS Standing water in drain pans promote microbial growth mold that cause unpleasant odors and serious health related indoor air quality...

Страница 38: ...ing upwards to flush the valve Manual flushing does not affect valve adjustments Cleaning the Humidifier optional If the unit was furnished with a humidifier it requires periodic maintenance Follow th...

Страница 39: ...evaporator and condenser coils for dirt use a vacuum with a brush attachment to clean the coils Clean condensate pan under the evaporator coil by flushing Be careful to keep the drain pans clear of an...

Страница 40: ...on Turn on switch No power to outlet Check circuit breaker and wiring Unit not plugged in Plug in the unit Power switch light is on and the thermostat light is off Possible Cause Solution No power to...

Страница 41: ...t operating Check for temperature rise across coil Thermostat set too low on heating Reset thermostat to higher heating temperature Thermostat not controlling temperature Thermostat mounted in imprope...

Страница 42: ...ssible Cause Solution No moisture being added to space Consider adding a humidifier for this space Humidity too low with optional humidifier Possible Cause Solution Humidifier not operating Check wiri...

Страница 43: ...Other Miscellaneous Problems Unit operates but the power switch light is not ON Possible Cause Solution Bulb is burned out Replace bulb Unit is leaking water Possible Cause Solution Piping from unit...

Страница 44: ...ist Dirty evaporator coils or filters Clean coil Clean or replace filter Compressor not running Check unit controls and wiring using schematic Replace components as required Defective evaporator fan C...

Страница 45: ...stat Check and recalibrate or replace F Unit Leaking Water Possible Causes Recommended Action Unit not level Ensure that unit is level to within end to end and 1 8 side to side Too little evaporator a...

Страница 46: ...rant shortage Repair leak and re charge Damaged compressor discharge valves Check and replace compressor Restricted expansion valve Check and replace Air too cold entering condenser Preheat condenser...

Страница 47: ...of HGBV E Hot Gas Line Too Cold Possible Causes Recommended Action High condenser airflow Measurecondenser airflowvolume andresetas required to design conditions or factory setting Low evaporator air...

Страница 48: ...grille Possible Cause Solution Head pressure in unit is too high because Remove the obstruction in the duct or grille or an obstruction is restricting air flow clean the filter Then restart the unit a...

Страница 49: ...tioning Check the thermostat guide for thermostat information Lowsuctionpressure Check pressure and adjust superheat High pitched or loud rubbing noise clanking or vibration Possible Cause Solution Fa...

Страница 50: ...any other obligations or liabilities for Air Innovations in connection with the sale of its systems INDEMNIFICATION Purchaser agrees to indemnify hold harmless and defend seller and its officers direc...

Страница 51: ...Air Innovations for warranty purposes All correspondence regarding warranty must include the model number and serial number of the unit involved Note that the warranty is null and void if the serial...

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