R22 - Espi Tech
Contents
1. Prior to applying electricity to the outdoor unit ensure power supply connections have been made at the facility power interface and at the outdoor unit Outdoor Unit Ensure the outdoor coil and front of the unit are free from obstructions and debris and all equipment access control panels are in place Functional Checkout Indoor Blower Set the thermostat function switch to Cooling and the fan switch to ON or MAN Verify that the Indoor Blower is operating and that airflow is not restricted Set the fan switch back to Auto Cooling Gradually lower the thermostat temperature set point below the actual room temperature and observe that the outdoor unit and indoor blower energize Feel the air being circulated by the indoor blower and verify that it is cooler than ambient temperature Listen for any unusual noises If present locate and determine the source of the noise and correct as necessary Heating If provided with heating equipment lower the thermostat temperature to the lowest obtainable setting and set the thermostat function switch to Heating The indoor blower and outdoor unit should stop running Increase the set point temperature of the thermostat to the maximum setting Verify that the heating equipment has been energized i e fossil fuel burner operating etc and that the indoor blower energizes after a short period of time Feel the air being circulated by the indoor blower and v2. Measure air web bulb temperature Tiw at indoor evaporator inlet 6 By using Tod and Tiw in Table A intersect to get superheat temperature Tsp 7 By using Tsp and Psc in Table B intersect to get suction line temperature Tsc2 temperature Tsp 8 If Tscl is higher than Tsc2 add refrigerant and repeat above steps till Tscl Tsc2 9 If Tscl is lower than Tsc2 remove refrigerant and repeat above steps till Tscl Tsc2 B Subcooling Method Cooling TXV 1 Operate system at cooling for at least 15 minutes 2 Measure refrigerant pressure Psc at suction valve service port 3 Measure suction line temperature Tscl by attaching and insulating thermometer probe to suction line close to the service valve 4 In Table C by intersecting required subcooling temperature Tsb and measured refrigerant pressure Psc get required suction line temperature Tsc2 5 If Tscl is lower than Tsc2 remove refrigerant otherwise add refrigerant Table A Superheat Tsp F dwor Incbor GalEnt ing Ar Wet Bub Tw Tarp Tos ol eralelereleleielel zm a 5 9 12 41 r a 2 2 2 el z z ol e 7 o 12 15 8 al 2 2 m 2 z Bl ol S 6 10 13 6 o 2 2 Z m 2 I Bl 4 wm 7410 13 16 so 2 2 Z m Bl 2 2 fl t t 9 2 s sa 2 s aal z a 5 8 2 15 18 212 2 ul gt CEA EES ES ys 9 Teal 6 o 2 2 a 2 ttt 5 9 le a ml z st mL ttt 6 10 14 2 s 2 a ae a ee a eee Sy ED pe sl 9 s r 22 z ES
3. EE EHS REES EAR EO E IS SEA L L L l l l y el ujil a Table B Suction Line Temperature Tsc2 F 0 35 96 39 41 43 45 47 49 ot A 41 43 45 47 49 s5 53 55 6 4 43 45 47 49 51 53 55 57 8 43 45 47 49 51 53 55 57 59 4 45 47 49 51 53 55 57 50 61 42 40 51 53 55 57 s 6 el 14 ao st 53 55 57 s e d 5s 53 55 57 59 61 63 65 67 da 53 55 57 50 61 e 67 2 5 57 50 61 63 e 67 e 71 57 50 61 63 65 67 71 73 2 ot 63 5 67 71 7 2 2 et 63 65 67 69 71 73 77 2 es 5 67 co 71 z z 77 7 9 71 73 75 77 Z Bt 32 o ea 71 73 75 77 79 81 83 3 e 71 73 5 77 8 83 85 71 73 75 77 79 81 83 85 87 28 73 75 77 79 81 83 85 87 l 4 75 77 79 81 s 85 87 Table C Suction Tube Temperature Tsc2 3 Way Valve I Hexagona l 1 l d Press the needle to drive air out 10 AIR RELEASE Purge the air within the indoor unit and piping from the system by using a vacuum pump 1 Release air as the diagram above shows 2 Shows the vacuum pump operating 15 minutes at least Read gauge meter and make sure pressure reaches 29 92 in Hg 3 After the vacuum pump is turned off Please wait a few minutes
4. and check the gauge meter doesn t change reading to confirm no leakage in the piping Shows locked position Please test for leaks with gas detection instrument or soapy water before turning on the system unit a Indoor unit Liquid pipe R t SA Suction pipe T Fully open low pressure Compound gouge 2 lt Closed iB Two way valve S turning to end Z lt 4 m ms gt Three way BSS 7 Hexagonal hy valve Open volve SS Be Spanner aS 7 Lu sS Close valve Schi k A Fully open P O Fully eeh 4 SH turning to end Releose nut V AP 1 Fully open Releose G Aa Fully nut 9 2 Connect flare g tee Fully Release flore BS wl closed 1 Turn back 1 6 turn Jr after securing T with torque ch Q Fully open Release nut spanner CP Fully closed Vacuum pump Vacuum pump turn on p Vacuum pump turn off 11 WIRING DIAGRAMS CCAG 18 CFN CCAG 24 CFN CCAG 30 CFN om D m Broan Wire BIM YEDE Vi COMP p uere GAP JW HCH FIRING DIAGRAM CONTROL 4Y SCROLL COMP CODE Na 220 0342 2481 12 OUTLINE DIMENSIONS OF UNITS S Model Unit Outside Dimensions Valve Size Inch A B C CCAG 18 CFN CCAG 24 CFN CCAG 30 CFN CCAG 36 CFN CCAG 48 CFN CCAG 56 CFN r D LLC IONE ESF Ar s uum sa Gn Wa Wa Bringing the Were of Comie ESPITECH 680H Industrial Ct Chesterfield MO 63005 Tel 636 536
5. proper supervision from trained and qualified service personnel Labels Tags Precautions When working with this equipment follow all precautions in literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment 3 SITE PREPARATION Unpacking Equipment Remove the cardboard carton and Installation Instruction from the equipment Inspect for Damage Inspect the equipment for damage prior to installing the equipment at the job site Ensure coil fins are straight and if necessary comb fins to remove flattened and bent fins Preferred Location of the Outdoor Unit at the Job Site Conduct a survey of the job site to determine the optimum location for mounting the outdoor unit Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided The outdoor unit should be installed no closer than 18 inches from the outside walls of the facility and in an area free from overhead obstructions to ensure unrestricted airflow through the outdoor unit Facility Prerequisites Electrical power supplied must be adequate for proper operation of the equipment The system must be wired and provided with circuit protection in accordance with 2 local building codes and the National Electrical Code Minimum Circuit Amperage
6. 9446 Fax 636 536 9441 Email info espitechllc com Web Site www espitechllc com SE0030106
7. Electrical wiring to the equipment must be compatible and in compliance with the minimum circuit amperage listed on the outdoor unit data label Maximum Fuse Circuit Breaker Size Circuit protection for the outdoor unit must be compatible with the maximum fuse circuit breaker size listed on the outdoor unit data label 4 INSTALLING THE OUTDOOR UNIT Choice of Outdoor Unit Mounting Positions 1 Don t install unit near flammable gasesor high temperature device 2 Don t install unit in areas with cornosive atmosphere 3 Don t install unit nearthe pavement orin a position where children have access 4 Leave spaces beside the unit as indicated forgood ventilation 5 Installatarea where installation and maintenance is convenient 6 In orderto reduce noise and vibration unit should be installed firmly 7 The maximum length of piping is 65 62 ft Over 22 97 ft distance 20gm refngerant per ishasto be added All our compressors are tropicalised to ensure efficiency at high temperatures Even so we recommend where temperatures exceed 104 degree F that the condensing unit is shielded from direct sunlight Slab Mount The site selected for a slab mount installation requires a stable foundation and one not subject to erosion The slab should be level and anchored if necessary prior to placing the equipment on the slab Cantilever Mount The cantilever mount should be designed with adequate safety factor to su
8. Outdoor Condenser 1 5 5 Tons Cooling Only amp Heat Pump 13 SEER Horizontal Discharge User s Manual and Installation Instructions These units have been designed and tested for capacity and efficiency in accordance with ARI Standards for use with a wide variety of fossil fuel furnaces electric furnaces air handlers and evaporator coil combinations Lresreuf e These instructions are primarily intended to assist qualified individuals experienced in the proper installation of heating and or air conditioning appliances Some local codes require licensed installation service personnel for this type of equipment Read all instructions carefully before starting the installation Contents cO OO O OQ gt G N 1 GENERAL INFORMATION Read the following instructions completely before performing the installation Condensing Unit Section Each condensing unit Is shipped with a refrigerant charge adequate to operate the outdoor section with an indoor matching coil or air handler and 15 feet of refrigeration line NOTE DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAK TESTING Matching coils and air handlers are shipped with a small holding charge to pressurize them to keep out contaminants To release the pressure read the indoor section of the installation instructions carefully Liquid and Suction Lines Refrigerant grade copper tubing should be used when installing the system Refrigerant suc
9. cuit protection at a current rating no greater than that indicated on the outdoor unit rating label Electric Data MODEL Power Compressor Fan 208 IO 48 RLA Rated Load Amp LRA Locked Rotor Amp FLA Full Load Amp MCA Minimum Circuit Amp per section NEC 430 24 Disconnect Switch An electrically compatible disconnect switch must be within line of sight of the outdoor unit This switch shall be capable of electrically de energizing the outdoor unit Optional Equipment Optional equipment requiring connection to the power or control circuits shall be wired in strict accordance with current provisions of the National Electrical Code ANSI C1 with applicable local codes having jurisdiction and the Installation Instructions provided with the equipment Optional Equipment i e liquid line solenoid valves hard start kits low suction pressure cutout switch kit high pressure cutout switch kit refrigerant compressor crankcase heater etc should be installed in strict accordance with the manufacturer s Installation Instructions 8 START UP AND CHECKOUT Air Filters Ensure air filters are clean and in place prior to operating the equipment Thermostat Set the room thermostat function switch to OFF fan switch to AUTO and move the temperature set point to it s highest setting Prior to applying electrical power to the outdoor unit ensure that the unit has been properly and securely grounded
10. erify that it is warmer than ambient temperature Listen for any unusual noises If present locate and determine the source of the noise and correct as necessary 9 REFRIGERANT CHARGING AND ADJUSTMENT NOTE The Refrigerant Charging Charts are applicable to matched assemblies of our equipment and at listed airflow for the indoor coil Assemblies of indoor coils and outdoor units not listed are not recommended and deviations from rated airflow or non listed equipment combinations may require modifications to the expansion device s and refrigerant charging procedures for proper and efficient system operation Refrigerant Charging Chart Refer to Refrigerant Charging Charts for correct system charging and to Orifice Usage Chart for correct restrictor sizes Optional Equipment A functional checkout should be performed in specific accordance with the checkout procedures supplied with the equipment Note Do not vent or depressurize unit refrigerant to atmosphere Remove and recover refrigerant following practice Two methods to check or adjust refrigerant charge A Super Heat Method Cooling Non TXV 1 Operate system at cooling for at least 15 minutes 2 Measure refrigerant pressure Psc at suction valve service port 3 Measure suction line temperature Tscl by attaching and insulating thermometer probe to suction line close to the service valve 4 Measure air dry bulb temperature Tod at outdoor condenser inlet 5
11. he tubing Refrigerant tubing should be Supported in a manner that the tubing will not vibrate or abrade during system operation Tubing should be kept clean of foreign debris during installation and installation of a liquid line filter drier is recommended if cleanliness or adequacy of system evacuation is unknown or compromised Every effort should be made by the installer to ensure that the field installed refrigerant containing components of the system have been installed in accordance with these instructions and sound installation practices so as to insure reliable system operation and longevity The maximum recommended interconnecting refrigerant line length is 75 feet and the vertical elevation difference between the indoor and outdoor sections should not exceed 20 feet Sweat Refrigerant Pipe Fittings odel CCAG Pipe Size Pre Charge Suction Liquid OZ A8 59 j ag 5 x A 59 j 39 _ 5 94 3 59 j 39 8 58 S 36 59 j 39 _ 9 9 12 1 EI 34 1 2 _ 13 2 Interconnecting Pipe Size Variations 65 ft 3 8 4 2 2 934 22 278 21 2 6 2 2 934 212 ong 212 7 MAKING ELECTRICAL CONNECTIONS Wiring Diagram Schematic A wiring diagram schematic is located on the inside cover of the electrical box of the outdoor unit The installer should become familiar with the wiring diagram schematic before making any electrical connections to the outdoor unit Outdoor Unit Connec
12. pport the weight of the equipment and for loads the mount is subjected to during operation Installed equipment should be adequately secured to the cantilever mount and leveled prior to operation of the equipment Roof Mount The method of mounting should be designed so as not to overload roof structures nor transmit noise to the interior of the structure Refrigerant and electrical lines should be routed through suitably waterproofed openings to prevent water leaking into the structure Mounting Clearance 7 87 in OR OVER We CEN ER Be gt 7 87 in OR OVER bs in OR OVER gt 7 87in ou 7 87 in R lt 7 87 in Pema Dear j a pep NORMAL GROUND WALL HANGING TYPE INSTALLATION 5 INSTALLING THE INDOOR UNIT The indoor section of the unit should be installed before proceeding with the routing of refrigerant piping Consult the Installation Instructions of the indoor unit e air handler fan coil unit etc for details regarding installation 6 CONNECTING REFRIGERANT TUBING BETWEEN INDOOR AND OUTDOOR UNITS General Information Once the outdoor and indoor unit placement has been determined route the refrigerant tubing between the equipment in accordance with sound installation practices Refrigerant tubing should be routed in a manner that minimizes the length of tubing and the number of bends in t
13. tion line tubing should be fully insulated Field Connections for Electrical Power Supply All wiring must comply with the current provisions of the National Electrical Code ANSI Ci and with applicable local codes having jurisdiction Size of electrical conductors and circuit protection must be in compliance with the information listed on the outdoor unit data label 2 SAFETY CONSIDERATIONS Pressures Within the System Split System Air Conditioning equipment contains liquid and gaseous refrigerant under pressure Installation and servicing of this equipment should be accomplished by qualified trained personnel thoroughly familiar with this type of equipment General Information Safety Considerations SITE PreDaralloi WEE Install the Outdoor Unit Install the Indoor Unitl Connecting Refrigerant Tubing Making Electric Connection Start up and Check up Refrigerant Charging and Adjustment JO Air CIGCASC x said EE 11 Wiring Diagrams 12 Outline Dimensions of Units Under no circumstances should the homeowner attempt to install and or service the equipment without
14. tions The outdoor unit requires both power and control circuit electrical connections Refer to the unit wiring diagram schematic for identification and location of outdoor unit field wiring interfaces CONTROL PLATE Lt fe lo a LL E SS A d E TERMINAL BLOCK gt ho LINE VOLTAGE LOW VOLTAGE SIDE VIEW WARNING O When wire the line voltage and the low voltage in the field electric cable wire must to insert through the hole 2 Provided from factory in order to protect the electric cable wire attached with the pipe Control Circuit Wiring The outdoor unit is designed to operate from a 24 VAC control circuit Control circuit wiring must comply with the current provisions of the National Electrical Code ANSI Ci and with applicable local codes having jurisdiction Thermostat Connections Thermostat connections should be made in accordance with the instructions supplied with the thermostat and with the instructions supplied with the indoor equipment Electrical Wiring Electrical wiring must comply with the current provisions of the National Electrical Code ANSI C1 and with applicable local codes _ having jurisdiction Use of rain tight conduit is recommended Electrical conductors shall have minimum circuit amperage in compliance with the outdoor unit rating label The facility shall employ electrical cir
Download Pdf Manuals
Related Search