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Summary of Contents for Data Aire MINI CEILING SERIES
- Page 1 MINI CEILING SERIES Installation, Operation and Maintenance Manual 1, 1.5, 2 and 2.5 ton Air, Water and Glycol Cooled DX and Chilled Water...
- Page 2 Special care should be given to those areas where these symbols appear. Data Aire, Inc. reserves the right to make design changes for the purposes of product improvement, or to withdraw any design without notice.
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Page 3: Table Of Contents
Table of Contents INSTALLATION ......................6 Room Considerations ....................6 Inspection ........................6 Locating the Unit ......................6 1.3.1 Vertical Airfl ow Units ....................7 1.3.2 Air Cooled Package Units ..................7 1.3.3 Horizontal Airfl ow Units ....................8 1.3.4 Indoor Condensers & Condensing Units ..............8 Paperwork ........................ - Page 4 Table of Contents, continued INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER - Continued Electrical Service ......................18 Air Cooled Condensers - Model DARC ................. 18 Fluid Coolers - Model DAFC ..................18 4.6.1 Fluid-Sensing Thermostats ................... 18 4.6.2 Energy Saver Cooling ....................18 CHARGING ........................
- Page 5 Table of Contents, continued WARRANTY ........................29 10.0 CONTACT DATA AIRE ....................... 30 LINE SIZING CHART ........................31 Monthly Maintenance Inspection Checklist ................32 Quarterly Maintenance Inspection Checklist ................33 Superheat and Suction Pressure Troubleshooting Guide ............34 Temperature Pressure Chart ...................... 35...
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Page 6: Installation
1.0 INSTALLATION There is no intent on the part of Data Aire, Inc. to defi ne local codes or statutes which may supercede common trade practices. The manufacturer assumes no responsibility for their interpretation. Consult local building codes and the National Electrical Code for special installation requirements. -
Page 7: Vertical Airfl Ow Units
Note there are many available unit confi gurations for Mini Ceiling systems. Be sure to identify the unit type and style before installing. For instance there may be split condenser/ condensing sections requiring separate or shared power. Note to Installing Contractor: Condensation formation and frequent humidifi er fl ush- ing are normal functions of this equipment. -
Page 8: Horizontal Airfl Ow Units
1.4 Paperwork Each Data Aire unit ships with a start-up sheet that should be completed during installation. Also included in the paperwork is a warranty/information packet that provides important wiring diagrams, specifi c component literature, warranty registrations cards and other valuable paperwork, including a copy of this Installation/Operation and Maintenance manual. - Page 9 It is the responsibility of the installing contractor to return the start-up sheet and warranty registration card to Data Aire for proper activation of the unit warranty. Failure to do so may cause delays and in some cases void the warranty.
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Page 10: Piping
Data Aire does not assume this responsibility. The chart covers distances up to 200 equivalent feet. For installations beyond this distance, consult ASHRAE or similar references. -
Page 11: Field Piping, Remote Condenser
2.1.5 Field Piping, Remote Condenser 2.1.6 Field Piping, Remote Condensing Unit... -
Page 12: Water/Glycol Cooled Unit Piping
Water/Glycol Cooled Unit Piping The required fi eld installed condenser water pipe sizes may or may not be the same as the connection sizes at the evaporator or fl uid cooler. This will depend on the length of pipe and the calculated pressure drop of peripheral components. -
Page 13: Connection Sizes, Water/Glycol Cooled Units
2.2.1 Connection Sizes, Water/Glycol Cooled Units Evaporator Water IN and OUT Model Connections, OD DAMA 0112 3/4” DAMA 1.512 3/4” DAMA 0212 3/4” DAMA 2.512 3/4” 2.2.2 Connection Sizes, Fluid Coolers Fluid Cooler Water IN and OUT Model Connections, OD DAFC 06 1-5/8”... -
Page 14: Humidifi Er Piping
Humidifi er Piping The optional humidifi er offered on Mini Ceiling systems is a steam generator type with a disposable cylinder. The humidifi er makeup water should be brought to the humidifi er through the fi eld connection opening using 1/4” copper tubing. A compression fi tting is provided at the humidifi er. A shutoff valve should be provided outside the unit to allow disconnection of service. -
Page 15: Electrical Connections
On most remote heat exchangers the terminals will also be #39 and #40. All control wiring on Data Aire equipment is 24 VAC. Condensing units (compressors mounted in condenser) typically require more wires. Refer to wiring... -
Page 16: Remote
Remote Shutdown Every Data Aire evaporator has remote shutdown contact points available. These are intended for a fi eld supplied dry contact or switch to be wired across two terminals. When the contact or switch opens, the control circuit power is interrupted and the unit shuts down, including the control panel. -
Page 17: Installation Of Remote Outdoor Heat Exchanger
4.0 INSTALLATION OF REMOTE OUTDOOR HEAT EXCHANGER Air cooled condensers and fl uid coolers have individual Installation, Operation and Maintenance manuals which should be referred to for more complete details. Rigging This section covers outdoor condensers/condensing units and fl uid coolers. For indoor condensers and condensing units refer to section 1.3.4. -
Page 18: Electrical Service
Noise factors should be also considered when locating an air cooled heat exchanger. Proximity to windows, walls, and surrounding structures can cause objections by the occupants. An acoustical expert should be consulted when noise is of a particular concern. Air cooled heat exchangers should be placed at a level that is higher than the indoor evaporator. Mounting the remote heat exchanger (condenser or condensing unit) more than 10 feet below the evaporator is not recommended. -
Page 19: Charging
is too cold can cause excessive dehumidifi cation and coil sweating. Fluid temperature that is too high can cause the indoor space temperature to rise. This can cause the optional microprocessor controls to lock out the energy saver mode for one hour while it reverts back to compressorized cooling. -
Page 20: Fan Speed Control System Charging
A system charged to a clear sight glass is often over-charged. 5.1.3. Fan Speed Control System Charging The standard outdoor air cooled condenser for Data Aire equipment is a fan speed control system. Connect the refrigerant drum to the low side of the system. Make sure all hoses are properly purged. -
Page 21: Flooded System Charging
5.1.4. Flooded System Charging Flooded systems are units having refrigerant circuits with an optional liquid receiver and head pressure control valve. When the ambient temperature falls during cold weather, the head pressure control valve will regulate the fl ow of refrigerant to ensure nearly constant receiver pressure. The condenser is partially fl... -
Page 22: Water/Glycol Cooled Systems
Water/Glycol Cooled Systems 5.2.1. Water/Glycol Cooled Systems Charging All water/glycol cooled units are factory charged. The water regulating valve should be adjusted to maintain 230 to 260 psi head pressure. Suction temperature should be 58 psi or greater. The superheat at the compressor suction line at least six inches away from the compressor should be 8-15 degrees. -
Page 23: Important Refrigeration Component
Except for extremely small releases of refrigerant such as what occurs when disconnecting service hoses (diminimous release), a technician who knowingly releases or vents refrigerant to the atmosphere is in violation of this regulation. Refrigerant purchasers must be certifi ed technicians and have a valid EPA certifi... -
Page 24: Glycol Systems
6.0 GLYCOL SYSTEMS Glycol Concentration The system must be fi lled with water and the appropriate amount of ethylene or propylene glycol to protect against winter freeze-up. To achieve the approximate glycol concentration, it is necessary to know the total system volume. This consists of the sum of the fl uid cooler volume, the evaporator unit volume, and the volume of the interconnecting piping. -
Page 25: Controls
7.0 CONTROLS Standard Thermostat The standard controls on all Mini Ceiling system equipment is a single stage cooling thermostat. Units requiring optional reheat and/or humidifi er require the optional Mini DAP II control panel described below. Optional Programmable Thermostat This optional thermostat is the same as the standard thermostat except it has some simple programmable functions. -
Page 26: Wiring Diagrams
Wiring Diagrams Every Data Aire evaporator, condenser, condensing unit or fl uid cooler comes with a wiring diagram. These diagrams are ‘ladder’-type schematics intended for service personnel. The intent is to allow the technician to understand the wiring details associated with the electrical components and how they interface with the controls as well as peripheral equipment, including secondary heat exchangers. -
Page 27: Air Filters
8.0 REGULAR MAINTENANCE ITEMS Air Filters Filters should be checked on a regular basis and changed when they become dirty. This will ensure effi cient operation of the unit. Spare fi lters should be kept in stock as these tend to be a frequently replaced maintenance item. -
Page 28: Refrigerant Filter Drier
Refrigerant Filter Drier Factory installed refrigerant fi lter driers do not normally require maintenance. When replacing compressors or other repairs that open the refrigeration system to atmosphere, it is advisable to replace the fi lter drier. The equivalent type and size should be used. -
Page 29: Warranty
9.0 Warranty Policy Seller warrants its equipment to Buyer to be free from defects in material and workmanship for a period of eighteen (18) months from date of shipment, as long as equipment is utilized under normal conditions and service and is properly installed; however, the warranty shall not be applicable to any of the following items: refrigerant, belts, fi... -
Page 30: Contact Data Aire
Engineering 714-921-6022 Part Sales E-mail: tech_support@dataaire.com Technical Support engineering@dataaire.com Engineering sales@dataaire.com Sales Web site: www.dataaire.com Job Information: Data Aire Job Number: ________________________________________ Evaporator Serial Number: _____________________________________ Evaporator Model Number: _____________________________________ Condenser/Fluid Cooler Serial Number: ___________________________ Condenser/Fluid Cooler Model Number: __________________________... -
Page 31: Line Sizing Chart
RECOMMENDED LINE SIZING FOR AIR COOLED SPLIT SYSTEMS UP TO 200 EQUIVALENT FEET HOT GAS LINES SINGLE CIRCUIT SYSTEMS DUAL CIRCUIT SYSTEMS EQUIVALENT FEET EQUIVALENT FEET Unit Tons per Unit Tons per Tonnage Circuit Tonnage Circuit 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8... -
Page 32: Monthly Maintenance Inspection Checklist
Data Aire, Inc. Monthly Maintenance Inspection Checklist Model No. __________________ Serial No. ____________________ Prepared by: _______________ Date: ___ / ___/ 200__ Steam Generating Humidifi er Air Filters ___ Check for restricted air fl ow ___ Check canister for deposits and water... -
Page 33: Quarterly Maintenance Inspection Checklist
Data Aire, Inc. Quarterly Maintenance Inspection Checklist Model No. _______________________ Serial No. ___________________________ Prepared by: _____________________ Date: ___ / ___/ 200__ Air Filters Reheat ____ Check for restricted air fl ow ____ Check reheat element(s) for dust ____ Check fi lter differential switch ____ Check high limit switch operation ____ Wipe fi... -
Page 34: Superheat And Suction Pressure Troubleshooting Guide
2. Poor air distribution 3. Poor refrigerant distribution 4. Improper compressor-evaporator balance 5. Evaporator oil logged 6. Flow from one TEV affecting another’s bulb * Data Aire has ensured that valves are size properly as the unit ships from the factory. -
Page 35: Temperature Pressure Chart
Temperature Pressure Chart for R-22 and R-407C R-22 R-407C R-22 R-407C Temperature Pressure, PSI Pressure, PSI Temperature Pressure, PSI Pressure, PSI 84.1 77.1 50.0 43.6 51.2 92.6 106.0 52.4 46.0 101.6 116.0 111.3 127.0 53.7 121.5 139.0 54.9 48.4 132.2 151.0 56.2 143.7... -
Page 36: Index
Fluid Coolers ........13 - G - Water/Glycol Cooled Units ....13 Glycol Concentration ....... 24 Contact Data Aire ........30 Glycol Systems ......12, 13, 24 Controls Grounding ..........15 Mini DAP II Control Panel . 15, 16, 25,27 - H - Mini DAP III Control Panel .. - Page 37 Humidifi er (continued) Rigging ............ 17 Dry Steam Humidifi er - S - Steam Generator Humidifi er ....14 Sight Glass ........19, 20, 21 - I - Start Up Sheet ........... 8 Inspection ..........6 Strainer ............ 12 Installation ..........6 Subcooling ........
- Page 38 Notes: _______________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________...
- Page 39 A Member of the CS Group of Companies © 2009 Data Aire, Inc. Data Aire, Inc. reserves the right to make design changes for the purpose of product improvement or to withdraw any design without notice. DAMxIOM-0209...
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