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Summary of Contents for Daikin RCS 015D
- Page 1 IM 914-4 Air-Cooled Split System Condensing Units Group: Applied Air Systems for Remote DX Coils and Air Handlers Part Number: IM 914 Date: April 2012 Models RCS 015D to 140D Models RCS 015D to 140D R-410A Refrigerant © 2013 Daikin Applied...
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Page 2: Table Of Contents
Liquid Line Sight Glass and Moisture Indicator ..28 Refrigerant Charging ......29 Daikin IM 914-4... -
Page 3: Introduction
Introduction Introduction Failing to follow safety information increases the risk of Daikin air-cooled condensing units are complete, self- property damage and/or product damage, serious personal contained automatic refrigerating units. Every unit is injury, or death. Improper installation, operation or completely assembled, factory wired, and tested. Each maintenance can void the warranty. -
Page 4: Mechanical Installation
Failure to follow those regulations can harm the environment and lead to substantial fines. Because regulations can change, a certified technician should perform any work done on this unit. If you have any questions, please contact the local office of the EPA. Daikin IM 914-4... - Page 5 015D-025D – 61" 030D-062D – 83" 072D-100D – 106" 110D-140D – 38" From Control Panel to Outside Wall From Control Panel to Outside Wall Figure 3: RCS Pit Service Clearances Daikin IM 914-4...
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Page 6: Rigging And Handling
The cable length from the bracket to the hook should always be longer than the distance between the outer lifting points. WARNING Use all lifting points. Improper lifting can cause severe personal injury and property damage. Figure 4: RCS Lifting Points Daikin IM 914-4... -
Page 7: Spring Isolation And Corner Weights
6.0" 042D, 070D, 072D, 075D, 092D, 080D, 085D, 090D, 100D, 105D ..81" 081D, 091D, 101D, 110D, 120D, 125D, 130D, 140D.......114" 6.0" Note: All dimensions in inches (“L” = RCS Length – 2(X) - 3.18) Roof Curb Installation Daikin IM 914-4... - Page 8 (approximately 0.5 psi per foot The recommended source for refrigerant piping techniques of vertical rise) allowing some of the refrigerant to flash to a and sizing is the Daikin AG31-011 Refrigerant Piping gas. Adequate refrigerant subcooling is needed at the outdoor Design Guide.
- Page 9 20.8 Liquid line #2 Ckt.2 13.5 11.2 11.2 11.2 20.8 20.8 20.8 20.8 HGBP line #1 Ckt.1 25.9 28.1 28.1 28.1 25.9 25.9 25.9 25.9 HGBP line #2 Ckt.2 25.9 28.1 28.1 28.1 25.9 25.9 25.9 25.9 Daikin IM 914-4...
- Page 10 Condenser B - Discharge line C - Condenser coil Optional: Provided by D - Evaporator coil (field) Daikin or Field E - Manual charging/evacuation valve F - Filter-drier (optional) G - Liquid line solenoid valve (optional) H - Sightglass (optional)
- Page 11 1/10 of 1% of noncondensables remains. tested and the leak repaired. Note and report this to the Daikin sales representative and freight carrier (if the loss is Table 6 on page 12 shows the relationship between pressure, due to shipping damage).
- Page 12 15,000 0.290 745.00 29.330 1/50 20,000 0.387 740.00 29.130 1/38 30,000 0.580 730.00 28.740 1/25 50,000 0.967 710.00 27.950 1/15 100,000 1.930 660.00 25.980 2/15 200,000 3.870 560.00 22.050 500,000 9.670 260.00 10.240 760,000 14.697 1 atmosphere Daikin IM 914-4...
- Page 13 Unit refrigerant charge can be Mobil EAL™ Arctic 22 CC as much as 40% less with microchannel and is much more ICI EMKARATE RL™ 32CL sensitive to charge levels. Caution should be exercised not to overcharge the unit. Daikin IM 914-4...
- Page 14 One suction valve for each refrigerant circuit; located between the compressors and the evaporator. Before attempting to start the compressors, all refrigeration service valves must be fully opened and backseated. Daikin IM 914-4...
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Page 15: Electrical Installation
Figure 9: RCS 080D - 100D Field Wiring 2.All wire sizes based on NEC Table 310-16 for 75°C THW wire (copper). Canadian electrical code wire ampacities may vary. 3.All wire sizes assume no voltage drop for short power leads. Daikin IM 914-4... -
Page 16: Controls
Minimum ON time for a stage is five minutes (unless an Then: alarm occurs). Compressors can be sequenced to maintain design space For additional control information and compressor staging, temperatures ± about 1.5 degrees dB. If excessive cycling refer to IM 919-1. occurs, then: Daikin IM 914-4... -
Page 17: Wiring Diagrams
Wiring Diagrams Wiring Diagrams Figure 10: Typical RCS D Vintage Controls Wiring Diagram (115V Field Connections, No Speedtrol) Daikin IM 914-4... - Page 18 Wiring Diagrams Figure 11: Typical RCS D Vintage Controls Wiring Diagram (115V Field Connections, No Speedtrol) CONTINUED Daikin IM 914-4...
- Page 19 Wiring Diagrams Figure 12: Typical RCS D Vintage Controls Wiring Diagram (24V Field Connections with Speedtrol) Daikin IM 914-4...
- Page 20 Wiring Diagrams Figure 13: Typical RCS D Vintage Controls Wiring Diagram (24V Field Connections with Speedtrol) CONTINUED Daikin IM 914-4...
- Page 21 Wiring Diagrams Figure 14: Typical RCS D Vintage Power Wiring Diagram (No Speedtrol with GFI and Phase Voltage Option) Daikin IM 914-4...
- Page 22 Wiring Diagrams Figure 15: Typical RCS D Vintage Power Wiring Diagram (with Speedtrol) Daikin IM 914-4...
- Page 23 Wiring Diagrams Figure 16: Typical RCS D Vintage Power Wiring Diagram (with New Powered Receptacle Option and No Speedtrol) Daikin IM 914-4...
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Page 24: Unit Options
The SpeedTrol option operates Notes on installation: independently of the main unit controller. Daikin provides a capped “T” on the discharge Figure 17: R-410A Speedtol line for field installations. AFD11 The field must pipe the hot gas bypass line, including the regulating valve, from the discharge “T”... -
Page 25: Optional Vandal Guards
Vandal Guard kits are also available from the parts department ASHRAE Handbook, be consulted for assistance. for field installation. Daikin is not responsible for system design, any damage • 403909511 - RCS015D, 020D & 025D arising from faulty system design, or for misapplication of its products. -
Page 26: Check, Test, And Start Procedures
Before attempting to operate the unit, review the control “Quality Assurance Survey Report” that are supplied with the layout description to become familiar with the control unit and return them to Daikin. The forms included on pages locations. 40 through 42 of this manual can also be used. -
Page 27: Electrical Checkout
Scroll Compressor Rotational 40. Return this information within 10 working days to Direction Daikin as instructed on the form to register the start-up date with the Daikin Warranty Department. Scroll compressors only compress in one rotational direction. Three-phase compressors rotate in either direction depending CAUTION upon phasing of the power to L1, L2, and L3. -
Page 28: Thermostatic Expansion Valve
Bubbles in the sight glass at constant full load indicates a shortage of refrigerant, a plugged filter drier, or a restriction in the liquid line. However, it is not unusual to see bubbles in the sight glass during changing load conditions. Daikin IM 914-4... -
Page 29: Refrigerant Charging
TC12 TC12 Controls 1 Fan TC14 TC14 Controls 2 Fans PC13/PC23 PC13/PC23 Controls 1 Fan* * PC13/23 Cut in = 450 psig (125 degree sat.), cut out = 275 psig (90 degree sat.). PC13/23 setpoints are fixed. Daikin IM 914-4... -
Page 30: Operation
Table 11: Condenser Fan Arrangement Unit size Refrigerant circuit Arrangement Unit size Refrigerant circuit Arrangement 015D - 072D 025D 092D - 020D 100D 110D 045D 120D 050D 062D 125D 080D 140D Daikin IM 914-4... -
Page 31: Maintenance
• Check for proper superheat. electrical connections. Following the startup procedure helps discover these and other issues that may have developed • Check the power and control voltages. during the storage interval. Daikin IM 914-4... -
Page 32: Scroll Compressor Piping
Place the new compressor into position. Replace the TPTL oil equalization line. Place the entire replacement discharge and suction tubes into position so that the tubes fit snugly into place. Braze the tubes into place. Daikin IM 914-4... -
Page 33: All-Aluminum Condenser Coils
Do not directly spray the aluminum-to-copper connection joint. Do not use chemical or strong detergent cleaners. If a mild detergent soap is used, the coil must be thoroughly rinsed with water. Any detergent left on the coil surfaces will promote corrosion. Daikin IM 914-4... -
Page 34: Servicing Refrigerant Sensors Or Switches
Servicing Refrigerant Sensors or Switches To reset a tripped MMP, clear the trip by rotating the knob counterclockwise to the OFF position; then rotate knob The Daikin Condensing Unit includes the following clockwise to the ON position (see Figure 29). refrigerant sensors or switches. - Page 35 Delay). The output relay reactivates after power line loss of phase, which trips at 1 second non-adjustable). conditions return to an acceptable level for a specified amount of time (Restart Delay). The trip and restart delays prevent Daikin IM 914-4...
- Page 36 (no emergency condition present): Follow the “release” method described above. Use the pump down switch to turn off the unit. The controls will then shut the liquid line solenoids, pump the refrigerant into the condenser, and turn off the compressors. Daikin IM 914-4...
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Page 37: Service And Warranty Procedure
Daikin warranty. Both sources can be used at the customer’s discretion. After the failed compressor is replaced, return it to Daikin with a Return Goods Tag attached (received by mail). It In Warranty Limitation must be attached to the compressor. - Page 38 Service and Warranty Procedure On Daikin equipment that includes the extended 2nd -5th year Consideration may be given at this time to a compressor compressor warranty option, the replacement compressor teardown analysis depending on the history of failures. must be ordered through the Daikin Parts Department In-Warranty Return Material Procedure (Minneapolis).
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Page 39: Limited Product Warranty (North America)
PRODUCT STARTUP ON ABSORPTION, CENTRIFUGAL MERCHANTABILITY OR FITNESS FOR A PARTICULAR AND SCREW COMPRESSOR PRODUCTS ISMANDATORY and must be performed by Daikin Service or a Company PURPOSE. IN NO EVENT AND UNDER NO CIRCUMSTANCE SHALL COMPANY BE LIABLE FOR authorized service representative. -
Page 40: Rcs Condensing Equipment Warranty Registration Form
RCS Condensing Equipment Warranty Registration Form RCS Condensing Equipment Warranty Registration Form To comply with the terms of Daikin Warranty, complete and return this Equipment Warranty Registration Form within 10 days to the Daikin, Warranty Department Check, test, and start procedure for RoofPak roof mounted air conditioners with or without heat recovery and roof mounted air handlers. - Page 41 Survey Report and return it to the Warranty Department with the above completed Warranty Registration form. RETURN COMPLETED EQUIPMENT WARRANTY REGISTRATION FORM TO: Daikin Warranty Department, 13600 Industrial Park Boulevard, Minneapolis, MN 55441 Daikin IM 914-4...
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Page 42: Quality Assurance Survey Report
Poor 10. How would you rate the overall quality of the product? Excellent Good Fair Poor 11. How does the quality of Daikin products rank in relation to competitive products? Excellent Good Fair Poor Comments: Please list any additional comments which could affect the operation of this unit; i.e., shipping damage, failed components, adverse installation applications, etc. - Page 44 Daikin Training and Development Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. For training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on training, or call 540-248-9646 and ask for the Training Department.
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I'm looking for a manual for a Daikin Model RCS110D
The manual for the Daikin model RCS110D is the "Installation and Maintenance Manual IM 914-4," which covers models RCS015D to RCS140D.
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