Related Manuals for Data Aire gPod
Summary of Contents for Data Aire gPod
- Page 1 DX, Air, Water or Glycol Cooled Ceiling and Floor Mounted Installation, Operation, & Maintenance Manual Data Aire Inc. 230 W. BlueRidge Avenue Orange, CA 92865 www.dataaire.com...
- Page 2 This manual is intended to assist trained service personnel by providing necessary guidelines for this equipment. Service to Data Aire units should be done by qualified individuals with an adequate background in areas such as HVAC, electrical, plumbing and electronics, as applicable.
- Page 3 This manual contains important safety instructions that should be followed during the installation and maintenance of Data Aire equipment. Read this manual thoroughly before attempting to install or operate this unit. Only qualified personnel should move, install or service this equipment. Adhere to all warnings, cautions and installation, operating and safety instructions on the unit and in this manual.
- Page 4 The Data Aire dap4 or Mini-dap4 microprocessor does not isolate power from the unit, even in the “Unit Off” mode. Some internal components require and receive power even during the “Unit Off” mode of Data Aire dap4™ control. The factory-supplied optional disconnect switch is located inside the unit’s electrical control panel.
- Page 5 Water leakage can result in severe property damage and loss of critical data center equipment. Do not locate unit directly above any equipment that could sustain water damage. Data Aire recommends installing leak detection equipment for unit and supply lines.
- Page 6 • Protect this equipment from damage, construction dirt, debris, freezing temperatures and water. • Make sure all shipping materials have been removed. • A qualified startup technician must complete the Data Aire “Field start up test sheet” Page vi...
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Page 7: Table Of Contents
Installation, Operation and Maintenance Manual Table of Contents INTRODUCTION ............................. 1 ? ......................1 RODUCT NFORMATION HAT IS G ......................1 ODEL DENTIFICATION OMENCLATURE 1.2.1 Ceiling Mounted Units ........................1 1.2.2 Floor Mounted Units ......................... 1 ............................. 2 ELIVERY NSPECTION .............................. - Page 8 Installation, Operation and Maintenance Manual 3.3.3 Total Equivalent Line Length Calculation ..................20 ..........................20 IPING NSTALLATION ......................20 ATER LYCOL OOLING IPING 3.5.1 Field Piping, Water/Glycol System ....................21 3.5.2 Connection Sizes, Water/Glycol Cooled Units ..................22 ..............................22 IPING ...........................22 ONDENSATE RAIN IPING 3.7.1 Condensate Trap ..........................23 ............................24 UMIDIFIER...
- Page 9 Installation, Operation and Maintenance Manual IMPORTANT COMPONENTS .........................44 ..........................44 EMOTE XCHANGER ........................44 EFRIGERATION OMPONENTS 6.2.1 Expansion Valve ..........................44 6.2.2 High Pressure Cutout Switch ......................44 6.2.3 Low Pressure Cutout Switch......................44 ..............................44 ONTROLS 6.3.1 Mini-dap4 Controller (Ceiling Units)....................44 6.3.2 dap4 Controller (Floor Units) ......................44 GENERAL MAINTENANCE REQUIREMENTS ....................46 ............................46 AILY...
- Page 10 ONTROL ............................77 ECEIVER EVELS ............................78 ECEIVER EATERS ......................78 ECEIVER EATER LECTRICAL IRING GPOD ADDITIONAL FEATURES ........................79 ...........................79 IGHT ONTROL .............................79 ONTROL WARRANTY POLICY ............................80 CONTACT DATA AIRE ...........................81 SUPERHEAT AND SUCTION PRESSURE TROUBLESHOOTING GUIDE ..............82 .....................82 UCTION RESSURE AND UPERHEAT .....................82...
- Page 11 Installation, Operation and Maintenance Manual Table of Figures Figure 1 - Typical Lifting Method ..........................5 Figure 2 - Typical Clearance Near Walls ........................5 Figure 3 - Example of a Suspended Cradle Type Mounting ..................7 Figure 4 - Typical Discharge Line Check Valve ......................16 Figure 5 - Remote Condenser Above Evaporator ....................17 Figure 6 - Remote Condenser Below Evaporator ....................18 Figure 7 - Typical Water/Glycol System .........................21...
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Page 12: Introduction
Installation, Operation and Maintenance Manual 1 INTRODUCTION Product Information - What is gPod? The gPod is the indoor agriculture industry’s first all-in-one true precision environmental control system. It provides consistent temperature, humidity, dehumidification, and CO control for users to achieve successful yield after yield. -
Page 13: Delivery Inspection
Paperwork Each Data Aire unit ships with a startup sheet that should be completed during installation. Also included in the paperwork is a warranty/information packet that provides important wiring diagrams, specific component literature, warranty registration cards and other valuable paperwork, including a copy of this Installation, Operation and Maintenance manual. -
Page 14: Installation
There is no intent on the part of Data Aire, Inc. to define local codes or statutes which may supersede common trade practices. The manufacturer assumes no responsibility for their interpretation. Consult local building codes and National Electrical Code (NEC) for special installation requirements. -
Page 15: Room Considerations
Installation, Operation and Maintenance Manual Room Considerations 2.2.1 Precision air conditioning equipment is designed to control spaces within close tolerances of temperature and humidity. However, the room must be built with a proper vapor barrier. A film of polyethylene is often used on walls and ceilings. -
Page 16: Figure 1 - Typical Lifting Method
Installation, Operation and Maintenance Manual Figure 1 - Typical Lifting Method The unit has 3/4” holes in the shipping skid to which casters with 3/4” stems can be attached. This allows easy movement down halls, into elevators and through doorways. WARNING Improper lifting or moving of equipment may result in damage to doors, panels or frame members. -
Page 17: Upflow Units
Installation, Operation and Maintenance Manual For the best air distribution, the unit should be centered against the longest wall, distributing the cold air as close to heat load as possible, unless the unit is ducted. The unit should not be placed near any corner of the room or at the end of a long, narrow room. -
Page 18: Horizontal Airflow Units
Horizontal Airflow Units 2.3.2 All ceiling mounted gPod units have horizontal airflow configuration. Field supplied, and installed ductwork is intended to be connected to the factory provided duct collars on the supply and return air openings. Ceiling units are shipped with a drive packages pre-set at the factory to overcome approximately 0.5” WC external static pressure. -
Page 19: Indoor Condensers
Installation, Operation and Maintenance Manual Indoor Condensers 2.3.3 Smaller air-cooled units (2.5 to 5-ton) are available with either an indoor condenser section or an outdoor condenser. While most air-cooled units have outdoor condensers, indoor condensers are occasionally used. The indoor condenser sections are to be mounted in a similar manner as the evaporator sections. Indoor air-cooled condensers have factory provided duct collars on the supply and intake air openings as appropriate to allow connection of the field supplied duct systems. -
Page 20: Suggested Reference Storage Room Conditions
It will be the responsibility of the customer to submit a monthly log sheet showing the condition of the unit and noting any discrepancies. A copy of the log sheet should be sent to Data Aire. Failure to perform the long-term storage requirements may void the warranty. -
Page 21: Field Piping Connections Installation
Installation, Operation and Maintenance Manual • Refrigerant coils have been evacuated and pre-charged with slight nitrogen holding charge. DO NOT damage or disturb these coils and connections. • Water coils must have all inlet and outlet connections capped or closed tight to prevent foreign materials and liquids from gaining entrance during the storage period. -
Page 22: Leak Test
Installation, Operation and Maintenance Manual Leak Test 2.7.1 NOTICE No installation is complete until the entire system has been thoroughly checked for leaks. This includes checking the refrigerant tubing, flare fittings, pressure controls, Schrader fittings and compressor roto-lock service valves. Check both the field and factory connections. -
Page 23: Installation Of Remote Heat Exchanger
NOTICE The floor mounted gPod units include backward curve plenum fans with electronically commutated (EC) motor as a standard feature. The EC motors are phase independent therefore the plenum fan rotation will always be in the correct direction. -
Page 24: Piping
Installation, Operation and Maintenance Manual placing a momentary jumper across low voltage terminals which will energize the control circuit. Check the wiring diagram for the terminal numbers to jumper across. This will energize the control circuit. If an optional remote heat exchanger (DARC) (air cooled or dry coolers) is ordered it can be either single or three- phase, but the individual Permanent-Split Capacitor PSC fan motors are single phase and will only run in one direction. - Page 25 • Refer to the line size refrigerant piping chart for a guideline for sizing refrigerant lines. The ultimate responsibility for line sizing is that of the installing contractor or project engineer. Data Aire does not assume this responsibility. •...
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Page 26: Split Air-Cooled Unit Piping
Refer to the attached line sizing chart in section 3.3 for a guideline for sizing refrigerant lines. The ultimate responsibility for line sizing selection is that of the installing contractor or the project engineer. Data Aire does not assume this responsibility. The chart covers distances up to 200 equivalent feet. For installations greater than this distance, consult ASHRAE or similar references. -
Page 27: Liquid Lines
Installation, Operation and Maintenance Manual Figure 4 - Typical Discharge Line Check Valve Note: Figure 4 - Typical Discharge Line Check Valve is only intended to show an example of a common check valve. This picture may not represent your specific unit, check valve size, location or orientation. Discharge line pressure should not exceed 9 PSI for R-410A. -
Page 28: Field Piping, Remote Condenser Above Evaporator
Installation, Operation and Maintenance Manual 2. For vertical rises, the installing contractor must install a trap at the bottom of the vertical rise and no greater than 5 feet horizontal distance from the compressor discharge connection of the evaporator section. 3. -
Page 29: Field Piping, Remote Condenser Below Evaporator
Installation, Operation and Maintenance Manual Field Piping, Remote Condenser Below Evaporator 3.2.5 Figure 6 - Remote Condenser Below Evaporator Connection Sizes, Air-Cooled Units 3.2.6 CEILING MOUNTED UNITS Model Number Hot Gas/Discharge Line Liquid Line GPAX-2.5 1/2” O.D. 1/2” O.D. GPAX-03 1/2”... -
Page 30: Recommended Line Sizing For Air-Cooled Split Systems
Installation, Operation and Maintenance Manual FLOOR MOUNTED UNITS Model Number Hot Gas/Discharge Line Liquid Line GPAU-05 1/2” O.D. 1/2” O.D. GPAU-08 5/8” O.D. 5/8” O.D. GPAU-10 5/8” O.D. 5/8” O.D. GPAU-13 5/8” O.D. 5/8” O.D. Field connections at the indoor evaporator and remote condenser or condensing unit will not necessarily be the same as the field pipe size required. -
Page 31: Total Equivalent Line Length Calculation
Aire as an option. Union(s), shutoff valves, and check valve(s) are field provided. A flow switch can be provided by Data Aire as an option. Pumps must be primed before operating per the pump manufacturer’s guidelines. Page 20 of 100... -
Page 32: Field Piping, Water/Glycol System
Installation, Operation and Maintenance Manual Field Piping, Water/Glycol System 3.5.1 Figure 7 - Typical Water/Glycol System Page 21 of 100... -
Page 33: Connection Sizes, Water/Glycol Cooled Units
Installation, Operation and Maintenance Manual Connection Sizes, Water/Glycol Cooled Units 3.5.2 CEILING MOUNTED UNITS Model Number Water In Water Out GPAX-2.5 3/4” O.D. 3/4” O.D. GPAX-03 3/4” O.D. 3/4” O.D. GPAX-04 1-1/8” O.D. 1-1/8” O.D. GPAX-05 1-1/8” O.D. 1-1/8” O.D. GPAX-06 1-5/8”... -
Page 34: Condensate Trap
Installation, Operation and Maintenance Manual Condensate Trap 3.7.1 Probably the most misunderstood portion of a condensate drain system is trap installation. The primary purpose of a condensate trap is to prevent air from being drawn back into the unit during operation. Traps must be installed in a manner that will stop the air from passing through, but still allow the condensate to drain from the condensate pan. -
Page 35: Humidifier Piping
Humidifier Piping The optional humidifier on gPod systems is a steam generator type with disposable cylinder. The humidifier make- up water should be brought to the humidifier through the field connection opening using 1/4” copper tubing. A compression fitting is provided at the humidifier. -
Page 36: Evacuation
Installation, Operation and Maintenance Manual flare nuts on both field and factory furnished components. After completion of leak testing, release test pressure and pull a vacuum on the system. NOTICE Tightening of fittings and valves is the responsibility of the installing contractor. - Page 37 Installation, Operation and Maintenance Manual reaches 500 microns. If the system still does not hold the pressure below 750 microns the system needs to be rechecked for leaks. 5. After the system has been satisfactorily evacuated, the unit can be pre-charged with refrigerant. Connect the pressure gauge manifold set to the high and low ports near the compressor, connect the charging line to the refrigerant tank and set it for liquid feed.
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Page 38: Charging
Installation, Operation and Maintenance Manual 4 Charging As a minimum, the servicing technician should wear thermal protective gloves and face-shield/goggles when working with refrigerant. NOTICE Application of excessive heat to any component will cause extreme pressure and may result in a rupture. Exposure of refrigerant to an open flame or a very hot surface will cause a chemical reaction that will form a highly poisonous and corrosive gas commonly referred to as PHOSGENE. -
Page 39: Split Air-Cooled Systems Charging (Units With Indoor Condenser Or Outdoor Condenser)
Installation, Operation and Maintenance Manual Split Air-Cooled Systems Charging (Units with Indoor Condenser or Outdoor Condenser) 4.1.2 After refrigerant piping installation, pressure test, and vacuum procedure is properly is complete, connect the refrigerant manifold gauge set and make sure the manifold gauge set is properly purged. Systems with R-410A require approximately 3 lbs. -
Page 40: Flooded System Charging
Installation, Operation and Maintenance Manual NOTICE ALWAYS use POE oil from new cans. Oil addition is calculated based on refrigerant charge, shown in the table below: Table 1 - Additional Oil Required When Charging Additional Oil Required (oz) When Changing Note: Additional oil is only needed if pipe run is longer than 66 feet (20m) Total Refrigerant Fixed Speed... - Page 41 A system charged to a clear sight glass is often overcharged. For all gPods, both cooling mode and reheat mode need to be checked. Fully charge the gPod in cooling mode only. Once full charge is adequate in cooling mode, engage reheat mode th the controller reheat mode.
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Page 42: Refrigerant Handling
Installation, Operation and Maintenance Manual discharged under pressure, with any part of the body. The extremely low temperature resulting from the rapid expansion of liquid refrigerant or pressurized gas can cause sudden and irreversible tissue damage. The compressor POE oil for R-410A units is extremely susceptible to moisture absorption and could cause compressor failure. -
Page 43: Electrical Connections
WARNING The Data Aire dap4 or Mini-dap4 controller does not isolate power from the unit, even in the Unit OFF mode. Some internal components require and receive power even during the Unit OFF mode of dap4 controller. -
Page 44: General Electrical Field Wiring Guidelines
Installation, Operation and Maintenance Manual NOTICE All wiring must conform to local and national electrical code requirements. Use of copper conductors only. The Data Aire unit must be connected and serviced by a licensed and qualified electrician. NOTICE Refer to equipment nameplate regarding wire size and circuit protection requirements. -
Page 45: Nameplate Ratings
Other protection devices must be verified by the installing contactor to be compliant with the product UL listing. The facility main distribution panel which provides electrical service to the Data Aire equipment must be provided with a manual fused disconnect switch or circuit breaker per local and national electrical codes. -
Page 46: Standard Electrical Connections
Installation, Operation and Maintenance Manual The local utility company should be contacted for correction if improper line voltage exists. Deviation from ratings can cause premature failures and possibly void unit warranty. For three-phase units, only three power wires and a proper earth ground are required. -
Page 47: Auxiliary Control Wiring
Because of the wide variety of indoor evaporators and remote heat exchangers offer by Data Aire, the installing contractor must refer to the electrical diagrams which are provided inside the electrical control panel of each unit for the required auxiliary control wiring interconnection terminal points. -
Page 48: Remote Shutdown
Remote Shutdown Every Data Aire evaporator has a remote shutdown contact point available inside the electrical enclosure as part of the control wiring. These are intended for a remote field supplied dry contact or switch to be wired across two terminals. -
Page 49: Remote Temperature And Humidity Sensor
Installation, Operation and Maintenance Manual Figure 13 - Typical dap4 Remote Alarm Contact Terminals The four (4) remote alarm contacts are field accessed and are intended to be used for a remote-control circuit. These remote alarm contacts are limited to 2 amps at 250 VAC. Each alarm contact activates on a failure and remain energized until the alarm is no longer present. -
Page 50: Condensate Probe (Standard On Floor Units And Optional On Ceiling Units)
Installation, Operation and Maintenance Manual WARNING The condensate drain MUST be connected to an external facility drain line (provided by others) before unit start up. Without field piping condensate water will damage internal components. A factory installed condensate pump come pre-wired and setup to display a “HIGH CONDENSATE WATER LEVEL” alarm. -
Page 51: Manual Override Switch Board (Dap4 Only)
Manual Override Switch Board (dap4 Only) For testing and during start-up each floor mounted gPod unit is equipped with manual override slide switches. There are seven (7) slide switches. One for each of the following functions:... -
Page 52: Plug Fan "No Airflow Alarm" Current Sensing Switch (Plug Fan Unit Only)
Installation, Operation and Maintenance Manual Evaporator wiring diagrams normally will have a drawing number that starts with a three-letter designation, “GPX” or “GPU”. An example of a typical diagram is GPX-S-908. Plug Fan “No Airflow Alarm” Current Sensing Switch (Plug Fan Unit Only) The current sensing switch is pre-wired and set at the factory and does not normally require adjustment in the field. -
Page 53: Figure 15 - Ct Trip Adjustment And Leds
Installation, Operation and Maintenance Manual 2. Adjust the “Return to Auto” to 300 seconds. This will allow time to operate the plug fan(s) at a lower speed to make the current sensing switch adjustment before returning the unit back to normal operation. - Page 54 Installation, Operation and Maintenance Manual LED Color Operation Description The Red “TRIP ON” LED indicates the current is below the A/ACSX2 adjustable trip point. When the Red “TRIP ON” LED is lite, the fan(s) are operating at a slower speed (i.e., drawing less current) than A/ACSX normal operation and the “No Airflow Alarm”...
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Page 55: Important Components
Controller (Floor Units) 6.3.2 The standard controller on all floor mounted gPod equipment is the dap4 controller. The Expanded dap4 controller is also available as an upgrade from the Mini-dap4 and offers additional features and additional analog inputs/outputs compared to the Mini-dap4. This state-of-the-art controller has a separate manual that goes into extensive detail regarding functions, features, programming and troubleshooting. - Page 56 Installation, Operation and Maintenance Manual Page 45 of 100...
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Page 57: General Maintenance Requirements
Contact Data Aire Service Department for additional information. If damage or a system failure occurs due to improper maintenance during the warranty period, Data Aire shall not be liable for costs incurred to return the unit to satisfactory condition. See Data Aire warranty for additional details. -
Page 58: Removing Doors And Panels For Maintenance (Floor Units)
Installation, Operation and Maintenance Manual Removing Doors and Panels for Maintenance (Floor Units) 1. The door hinge is spring loaded and slides down using the latch, for easy removal of the doors. Door hinges allow the door to be lifted off. NOTICE Risk of handling doors can cause personal injury and equipment damage. -
Page 59: Electronically Commutated (Ec) Motors (Ec Motors)
Figure 17 - Typical Spring Latches Electronically Commutated (EC) Motors (EC Motors) Units with Electronically Commutated (EC) motors “plug fans” are standard on all floor mount gPod units. NOTICE The plug fan modules are powered by high voltage input line power (i.e. -
Page 60: Ec Plug Fan Maintenance
Maintenance is not required on EC motor/plug fan modules. The motors are sealed, have maintenance free ball bearings and permanent lubrication. The only acceptable service is replacement. Units with Belt Driven Blowers Belt driven blowers are standard on all gPod ceiling units. These blowers have belts and some bearings that must be regularly maintained. Belts 7.5.1... -
Page 61: Air Filters
All side panels must remain closed when determining if an adjustment is necessary. In general, the filters are removable from the front of the unit on Data Aire gPod floor units, unless otherwise specified. gPod ceiling mounted unit filters are removable from the side, unless otherwise specified. -
Page 62: Ceiling Unit Air Filter Replacement Procedure
Failure to replace the cylinder at the end of cylinder life will result in improper operation and may result in damage to the humidifier. Data Aire is not responsible for any damages resulting from, or attributed to, the failure to replace a spent cylinder. Data Aire recommends keeping a replacement cylinder in stock throughout the humidification season. -
Page 63: Figure 18 - Typical Top Of Humidifier Cylinder View
Installation, Operation and Maintenance Manual Serial number and voltage are located on the specification label on the left side of the humidifier. Contact Data Aire Parts Department for replacement humidifier cylinder. Removing the Cylinder 1. Check to see if yellow service light is flashing meaning cylinder replacement is necessary. -
Page 64: Figure 19 - Typical Steam Humidifier
Installation, Operation and Maintenance Manual Figure 19 - Typical Steam Humidifier Humidifier Drain Valve Cleaning NOTICE Cleaning the humidifier drain valve procedure must follow the cylinder removal procedure. 1. To properly clean the drain valve, it must be removed and disassembled. 2. -
Page 65: Figure 20 - Typical Humidifier Drain Valve
Installation, Operation and Maintenance Manual CAUTION Be sure to reattach the green ground wire to reduce the risk of electrical shock. Figure 20 - Typical Humidifier Drain Valve Figure 21 - Typical Drain Valve Assembly Page 54 of 100... -
Page 66: Preparing Humidifier For Extended Shutdown Duration
It is recommended to keep a replacement cylinder in stock throughout the humidification season. This will prevent possible downtime when the humidifier reports cylinder end of life. Contact the Data Aire Parts Department for details. -
Page 67: Humidifier Drain Pan
Installation, Operation and Maintenance Manual 3. Check to see the humidifier has not been damaged and the installation has not been altered. 4. Clean the fill strainer. 5. Replace the humidifier fuses. 6. Open the supply water shut-off valve. 7. Turn ON the electrical input power to the unit with the external disconnect. 8. -
Page 68: Cabinet
Installation, Operation and Maintenance Manual Cabinet 1. Inspect for moisture or any sign of wetness or dripping that is can being contained by the condensate drain pan. Look for any moisture or signs of previous wetness or dripping inside the cabinet. 2. -
Page 69: Water/Glycol Cooled System
Installation, Operation and Maintenance Manual Water/Glycol Cooled System 1. Check glycol level. 2. Check glycol concentration to job site requirement. 3. Check water quality to your design requirements and to your local and national codes. 4. Check water/glycol flow rate is per requirements. 5. -
Page 70: Mounting The Flow Switch
Installation, Operation and Maintenance Manual 7.17.1 Mounting the Flow Switch 1. Install the switch so that the cover and interior are accessible. 2. Mount the switch so that the flow of fluid is in the direction of the arrow on the switch casing. 3. -
Page 71: Compressor Checklist
9. Use care if returning part to Data Aire Service Department. 10. Clean out all oil or debris from part before shipping back to Data Aire Service Department. 11. Deburr and clean out all joints or connections prior to installing replacement part. -
Page 72: Fixed Speed Scroll Compressor Replacement
Service technicians must maintain all required permits. Contact Data Aire Service Department prior to replacing scroll compressor if you have any questions on replacing compressor. This is only for guideline and reference only. This will vary due to variations with compressor cooling capacity size and configuration (voltage, refrigerant type, etc.). - Page 73 12. Do not hammer the compressor suction and discharge tube fittings flat and braze them closed. These fittings must remain undamaged, so the compressor can be tested by Data Aire Service Department. 13. Braze in short stub tubes to the compressor connections and seal the stub tube ends. Braze with Sil-Fos or equivalent silver copper phosphorus composition brazing material.
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Page 74: Refrigerant Filter Drier
Installation, Operation and Maintenance Manual b. Using a torch, apply heat in area 1. As tube approaches brazing temperature, move the torch flame to area 2. c. Heat area 2 until braze temperature is attained, moving torch up and down and rotating around tube as necessary to heat tube evenly. -
Page 75: Thermostatic Expansion Valve (Txv) Replacement
Installation, Operation and Maintenance Manual Check the color code of the moisture indicator on the sight glass. A positive indication means the filter-drier should be replaced. If the drier is frosted or if there is a perceptible temperature change between the liquid line entering and leaving the drier, an excessive pressure drop in the drier is indicated, and the drier should be replaced. -
Page 76: Refrigerant Liquid Line Solenoid Valve (Llsv) Replacement
Installation, Operation and Maintenance Manual 6. The thermostatic expansion valve bulb must be installed in the same location and same orientation is extremely important to the proper performance of the system. NOTICE. The area should be vented thoroughly to prevent formation of dangerous fumes which could result from the refrigerant in the presence of an open flame. -
Page 77: Electrical Component Maintenance/Replacement
Installation, Operation and Maintenance Manual 9. Disconnect the refrigerant lines by heating the joint areas slowly and uniformly until braze material softens and the tube can be pulled out of fittings. Use a damp cloth covering the solenoid valve as a precaution will prevent overheating the valve body 10. -
Page 78: Electrical Control Panel
Installation, Operation and Maintenance Manual NOTICE. Installation and maintenance to be performed only by qualified personnel who are familiar with this type of equipment. Electrical Control Panel CAUTION Use caution when inspecting the electrical control panel. Turn OFF all electrical power sources. 1. -
Page 79: Electric Reheat With Modulating Scr Control (Special Option)
Installation, Operation and Maintenance Manual 10. Turn ON power and verify that operation has been restored. Electric Reheat with Modulating SCR Control (Special Option) The electric reheat is an open coil type with a frame constructed of galvanized steel. Reheat is installed on the air discharge side of the cooling coil. - Page 80 Bleed Resistor b. Check with a voltmeter to make sure there is no power left in the capacitor. Make sure to electrically protect your voltmeter or other electrical metering device. Data Aire is not responsible for any damaged metering device.
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Page 81: Definite And General Purpose Contactor Replacement
5. Check the replacement transformer to be the same manufacturer, model, size, load rating, hertz, phase, type and any protective device. The replacement transformer must be U.L. and CSA approved. Data Aire does not warranty field provided and installed transformer. -
Page 82: Plug Fans With Electronically Commutated (Ec) Motors (Ec)
Plug Fans with Electronically Commutated (EC) Motors (EC) Plug fan(s) with Electronically Commutated (EC) motors are standard equipment on all gPod floor mounted units. Plug fan(s) with EC motors are maintenance free and only require visual inspection. The motors are sealed, have maintenance free ball bearings and permanent lubrication. -
Page 83: Smoke Detector Maintenance
Installation, Operation and Maintenance Manual Smoke Detector Maintenance 7.27.1 Smoke Detector Testing NOTICE. The smoke detector must be tested and maintained regularly per NFPA 72 requirements. Also comply with job site location fire or other applicable compliance codes as required. Before testing, notify the proper authorities and personnel that the smoke detector system is undergoing maintenance and will temporarily be out of service. -
Page 84: Cleaning Smoke Detector
Installation, Operation and Maintenance Manual 7.27.2 Cleaning Smoke Detector The detector should be cleaned at least once a year. Disconnect all remote electric power source to unit before maintenance or servicing. Before removing the detector, notify the proper authorities that the smoke detector system is undergoing maintenance and will be temporarily out of service. -
Page 85: Temperature And Humidity Sensor Maintenance
7.29.1 Disposal of Temperature and Humidity Sensor If the sensor is not returned to Data Aire, the sensor is made up of electrical components, plastic parts and metal parts. Do not dispose of the device as commercial waste. All the parts must be disposed of according to your EPA or local/national applicable disposal codes. -
Page 86: Low Ambient Receiver Package
Installation, Operation and Maintenance Manual Test the unit functions before turning the Mini-dap4 or dap4 controller on by performing the following procedure. a. Temporarily disconnect the J1 connector off the dap4 control module, turn the unit power ON. b. Use the switches on the Manual Override Switch Board to turn on one function at a time (fan, cool, heat, humidifier) to make sure they run properly. -
Page 87: Refrigerant Receiver
Installation, Operation and Maintenance Manual Figure 22 - Typical Receive Package Assembly Refrigerant Receiver The function of a Liquid Refrigerant Receiver is to store liquid refrigerant to provide continuous flow of liquid refrigerant to the expansion device and to provide storage for the refrigerant charge during system service or maintenance. -
Page 88: Safety Relief Devices
Receiver Levels Identify and log the refrigerant level of the receiver of each refrigeration system using the Data Aire Monthly Refrigerant Receiver Level Table. Be sure the refrigeration systems are not in winter flooding mode, or any other condition that could affect receiver level. -
Page 89: Receiver Heaters
Installation, Operation and Maintenance Manual 3 to 11 27.6 15 to 21 59.7 24 to 30 105.1 Receiver Heaters All low ambient receiver packages come with electric band-type heaters to maintain a minimum internal refrigerant temperature to allow cold ambient starting. The heater thermostat, normally located inside the electrical control panel on the condenser, is factory set for 50°F. -
Page 90: Gpod Additional Features
Installation, Operation and Maintenance Manual 9 gPod Additional Features The gPod models are specifically suited for agricultural grow applications. Therefore, the gPod product comes standard with additional features such as lighting sensor-based or time-based control, CO level control, and night time temperature and humidity setpoint. -
Page 91: Warranty Policy
Installation, Operation and Maintenance Manual 10 Warranty Policy See the hardcopy Warranty Statement which is provided in the warranty/information packet which is located inside the electrical control panel of each Data Aire unit. Page 80 of 100... -
Page 92: Contact Data Aire
Installation, Operation and Maintenance Manual 11 Contact Data Aire Address: Data Aire, Inc. 230 West Blueridge Avenue Orange, CA 92865 Telephone: (714) 921-6000 (800) 347-AIRE (2473), Toll Free E-mail: Service@dataaire.com Engineering@dataaire.com Sales@dataaire.com Website: www.dataaire.com Fax: (714) 921-6010 Main (714) 921-6022 Parts Sales... -
Page 93: Superheat And Suction Pressure Troubleshooting Guide
Installation, Operation and Maintenance Manual 12 Superheat and Suction Pressure Troubleshooting Guide Low Suction Pressure and High Superheat Moisture, wax, dirt in system High superheat adjustment Gas charge condensation Dead thermostatic element charge Wrong thermostatic charge Evaporator pressure drop – no external equalizer External equalizer location Restricted or capped external equalizer Low refrigerant charge... - Page 94 Maintenance Inspection Checklist Monthly Maintenance Inspection Checklist Model No. Serial No. See signature line below Prepared by: Air Filters Condensate Drain and Pump (if applicable) ☐ ☐ Check for water leaks Check for restricted air flow ☐ Check for restricted air flow ☐...
- Page 95 Maintenance Inspection Checklist Quarterly Maintenance Inspection Checklist Model No. Serial No. See signature line below Prepared by: Air Filters Condensate Drain and Pump (if applicable) ☐ Check for restricted air flow ☐ Check for water leaks ☐ Check filter differential switch ☐...
- Page 96 Condensate ......................................21 Condensate probe ....................................38 Condensate pump ..................................22, 37, 55 Condensate trap .......................................22 Contact Data Aire ................................45, 51, 60, 73, 80 Control and Isolation Transformer Replacement ............................69 Controller ....................................34, 43, 47, 73 Controls ......................................43, 72 dap4 ........................... ii, 1, 4, 21, 29, 39, 43, 46, 47, 48, 49, 70, 72, 73, 74, 78 dap4 or Mini-dap4 User Manual ................................74...
- Page 97 Filter drier......................................55, 62 Float switch ......................................38 Flow switch .......................................57 Fuse........................................55, 66 Fusible plug ......................................76 Glycol systems ......................................33 gPod ........................................1, 78 Grounding ........................................33 Heat .........................................62 High pressure cutout switch ..................................43 Humidifier ....................................23, 50, 52, 54 Humidifier cannisters ....................................50 Humidifier cylinder ....................................54...
- Page 98 Minimum Circuit Ampacity (MCA) ................................33 Model Number ......................................80 Modulating SCR Control ....................................67 Monthly Maintenance Inspection Checklist ...............................82 National Electrical Code (NEC) ..................................3 Night/day scheduling ....................................1 No airflow alarm .......................................40 Outside air ......................................... 4 Paperwork ......................................... 2 Piping ................................12, 14, 19, 21, 23, 30, 56, 78 Plug Fans ........................................70 Power phasing ......................................11 Quarterly Maintenance Inspection Checklist ..............................83...
- Page 99 Telephone ........................................80 Temperature and humidity sensor ............................... 37, 73 Thermostatic Expansion Valve (TXV) ................................63 Under-Floor water detection cable ................................38 Upflow........................................5 User Manual ......................................78 Version history......................................ii Voltage ........................................33 Warranty ........................................79 Water/glycol cooled .................................... 19, 57 Weather ........................................75 Website ........................................80 Wiring ........................................
- Page 100 Data Aire Inc. 230 W. BlueRidge Avenue Orange, CA 92865 www.dataaire.com © Copyright 2019 Data Aire Inc. all pages and content Data Aire Inc. 230 W. BlueRidge Avenue Orange, CA 92508 (714) 921-6000 www.dataaire.com gPod IOM Manual_09.2020...