Table of Contents
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Installation, Operation,
and Maintenance
Packaged Rooftop Air Conditioners
Foundation™ Electric/Electric
15 – 25 Tons, 60Hz
Model Numbers:
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-
conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment
by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and
on the tags, stickers, and labels that are attached to the equipment.
November 2015
EAC180-300
SAFETY WARNING
RT-SVX50C-EN
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Table of Contents
Related Manuals for Ingersoll-Rand EAC180A
Summary of Contents for Ingersoll-Rand EAC180A
- Page 1 Installation, Operation, and Maintenance Packaged Rooftop Air Conditioners Foundation™ Electric/Electric 15 – 25 Tons, 60Hz Model Numbers: EAC180-300 SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air- conditioning equipment can be hazardous and requires specific knowledge and training.
- Page 2 Introduction Read this manual thoroughly before operating or servicing this unit. WARNING Warnings, Cautions, and Notices Proper Field Wiring and Grounding Required! Safety advisories appear throughout this manual as Failure to follow code could result in death or serious required. Your personal safety and the proper operation of injury.
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Page 3: Overview Of Manual
Introduction Revision Summary WARNING RT-SVX50B-EN (23 Nov 2015) Proper Field Wiring and Grounding • Added 380V/60Hz Units. Required! • Updated Model Number Description Section All field wiring MUST be performed by qualified personnel. Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards. To avoid these hazards, you MUST follow requirements for field wiring installation and grounding as described in NEC and your local/state electrical codes. -
Page 4: Table Of Contents
Table of Contents Model Number Description Unit Economizer Control (ECA) ..29 ....5 General Information Wiring Diagrams . -
Page 5: Model Number Description
Model Number Description Model Number Description Low Leak Economizer, Dry Bulb Digit 1 — Unit Type 7. 10 hp oversized motor is factory w/o Barometric Relief installed only. Packaged Cooling, Electric Heat Low Leak Economizer, Reference Digit 2 — Efficiency Enthalpy w/o Barometric Relief Low Leak Economizer, ASHRAE 90.1 - 2010... -
Page 6: General Information
General Information Unit Inspection additional respiratory protection. Use the appropriate NIOSH approved respiration in these situations. As soon as the unit arrives at the job site: First Aid Measures • Verify that the nameplate data matches the data on the •... -
Page 7: System Input Devices & Functions
General Information JADE Economizer Control (For Low Leak To configure the LLE controller, set EXH1 SET (or EXH1 L & EXH1 H with two-speed fan) in the SETPOINTS menu. 2- Economizer (LLE) Only) speed fan mode requires AUX2 I set as W. The JADE controller is a standalone economizer controller Evaporator Frost Control (Optional) that provides outdoor air dry-bulb economizer control... -
Page 8: Initiation Of Operating Modes - Jade Controller
General Information VENTMIN = desired minimum position w/DCV & occupied status (2-speed applications require LO & HI settings) ADVANCED SETUP Menu: CO2 ZERO = set to detector's start level CO2 SPAN = detector's max level minus start level Attach the sensor to the CO and "R"... -
Page 9: Dimensional Data
Dimensional Data Figure 1, p. 12 illustrates the minimum operating and service clearances for either a single or multiple unit installation. These clearances are the minimum distances necessary to assure adequate serviceability, cataloged unit capacity, and peak operating efficiency. Providing less than the recommended clearances may result in condenser coil starvation, “short-circuiting”... - Page 10 Dimensional Data Figure 2. Cooling with optional electrical heat units — overview Figure 3. Cooling with optional electrical units — front & side views — 15–25 tons standard efficiency RT-SVX50C-EN...
- Page 11 Dimensional Data Figure 4. Cooling with optional electrical heat units — plan view — 15–25 tons standard efficiency Figure 5. Foundation units — back view (horizontal configuration) — 15–25 tons standard efficiency RT-SVX50C-EN...
- Page 12 Dimensional Data Figure 6. Roof curb —15–25 tons standard efficiency Figure 7. Downflow duct connections—field fabricated 15–25 tons standard efficiency Notes: • Duct flanges mount 7-7/16” down inside the curb on the 1-1½” curb flanges. • Roofcurb is intended for downflow use only. 1”...
- Page 13 Dimensional Data Figure 8. Downflow unit clearance — 15–25 tons standard efficiency Figure 9. Barometric relief and economizer— 15–25 tons standard efficiency MOTORIZED DAMPER FOR LOW LEAK) FOR LOW LEAK) BAROMETRIC RELIEF IS FOR USE WITH A DOWNFLOW ECONOMIZER ONLY RT-SVX50C-EN...
- Page 14 Dimensional Data Figure 10. Manual damper — 15–25 tons standard efficiency RT-SVX50C-EN...
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Page 15: Unit Weights
Maximum unit & corner weights (lb) and center of gravity dimensions (in.) (a), (b) Weights (lb) Corner Weights Center of Gravity (in.) Unit Tons Model No. Shipping Length Width EAC180A 2020 1700 54” 37” 17½ EAC210A 2074 1755 55” 38”... -
Page 16: Installation
Installation Unit Foundation When attaching the ductwork to the unit, provide a water- tight flexible connector at the unit to prevent operating sounds from transmitting through the ductwork. WARNING All outdoor ductwork between the unit and the structure should be weather proofed after installation is completed. Risk of Roof Collapsing! Note: For sound consideration, cut only the holes in the Confirm with a structural engineer that the roof... -
Page 17: Factory Installed Economizer
Installation • Ensure unit-to-curb seal is tight and without buckles or A condensate trap must be installed at the unit due to the cracks. drain connection being on the “negative pressure” side of the fan. • Install and connect a condensate drain line to the evaporator drain connection. -
Page 18: Main Unit Power
Installation Main Unit Power Optional TBUE Wiring (Through the Base Electrical Option) • Location of the applicable electrical service is WARNING illustrated below. Refer to the customer connection Proper Field Wiring and Grounding diagram that is shipped with the unit for specific Required! termination points. - Page 19 Installation Voltage Imbalance 1. Use copper conductors unless otherwise specified. 2. Ensure that the AC control wiring between the controls Three phase electrical power to the unit must meet and the unit’s termination point does not exceed three stringent requirements for the unit to operate properly. (3) ohms/conductor for the length of the run.
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Page 20: Compressor Crankcase Heaters
Installation during compressor starts. Oil foaming occurs when refrigerant condenses in the compressor and mixes with WARNING the oil. In lower ambient conditions, refrigerant migration Hazardous Voltage! to the compressor could increase. Disconnect all electric power, including remote When the compressor starts, the sudden reduction in disconnects before servicing. -
Page 21: Factory-Mounted Unit Options
Factory-Mounted Unit Options Unit Disconnect (FIYUDC) Note: Wire size for the length of run should be determined using the circuit ampacity found on the unit nameplate and the N.E.C. WARNING 4. Route low voltage (class II), control wiring through hole in base of unit but not through high voltage Hazardous Voltage w/Capacitors! conduit. -
Page 22: Pre Start
Pre Start Verifying Proper Air Flow (Units with Belt Drive Indoor Fan) Much of the systems performance and reliability is closely associated with, and dependent upon having the proper airflow supplied both to the space that is being conditioned and across the evaporator coil. The indoor fan speed is changed by opening or closing the adjustable motor sheave. -
Page 23: Start Up
Start Up Standard Economizer Start-Up mode and all components removed or failed will alarm in the operation mode. 1. Set the minimum position setpoint for the economizer • Upon power up (or after a power outage or brownout), to the required percentage of minimum ventilation the JADE controller module begins a 5 minute power using the setpoint potentiometer located on the up delay before enabling mechanical cooling. -
Page 24: Heating Start-Up
Start Up types are listed in Table 3, p. 24. The appropriate oil • Program the Night Setback (NSB) panel (if applicable) charge is listed in Table 4, p. for proper unoccupied operation. Refer to the programming instructions for the specific panel. Table 3. -
Page 25: Maintenance
Maintenance Make sure all personnel are standing clear of the unit 6. Compare the “force” scale reading (Step 5) with the before proceeding. The system components will start appropriate “force” value listed in Table 5, p. 25. If the when the power is applied. “force”... -
Page 26: Monthly Maintenance
Maintenance Monthly Maintenance • Remove any corrosion present on the exterior surfaces of the unit and repaint these areas. Before completing the following checks, turn the unit OFF • Generally inspect the unit for unusual conditions (e.g., and lock the main power disconnect switch open. loose access panels, leaking piping connections, etc.). -
Page 27: Final Process
Maintenance Due to the soft material and thin walls of the MCHE coils, (2) Unit Serial Number: the traditional field maintenance method recommended _____________________________________________________ for Round Tube Plate Fin (RTPF) coils does not apply to (3) Wiring Diagram Numbers (from unit control panel) microchannel coils. -
Page 28: Troubleshooting
Troubleshooting To Clear an Alarm WARNING Once the alarm has been identified and the cause has been Hazardous Service Procedures! removed (e.g. replaced faulty sensor), the alarm can be cleared from the display. The maintenance and troubleshooting procedures recommended in this section of the manual could result 1. -
Page 29: Unit Economizer Control (Eca)
Troubleshooting • Slow Flash: Normal, Not OK to Economize Table 7. FDD troubleshooting • Fast Flash - 1/4 Second On / 2 Seconds Off: FAULTS – Error Code: Communications Failure Econo- • Pulse Flash: 1/30 Second On / 1/4 Second Off: (2 Air temp. -
Page 30: Wiring Diagrams
Wiring Diagrams Note: Wiring diagrams can be accessed via e-Library by entering the diagram number in the literature order number search field or by contacting technical support. Table 8. Wiring diagrams Type of Schematic Diagram Airflow Type Voltage Number Description 208-230/380 2313-2202 EAC180-300, EAD180-300, 60Hz, Cooling only / Electric Heat Power... -
Page 31: Warranty
Warranty Central Air Conditioner where the end purchaser uses the product for other than personal, family or household purposes. EAC, EAD (Parts Only) *A 5 year limited warranty is provided for the optional Low Leak Economizer, including the JADE control system Models Less than 20 Tons for Commercial (controller, actuator and sensors). - Page 32 Trane 2701 Wilma Rudolph Blvd. Clarksville, TN 37040-1008 Attention: Manager, Product Service ** This warranty is for commercial usage of said equipment and not applicable when the equipment is used for a residential application. Commercial use is any application where the end purchaser uses the product for other than personal, family or household purposes.
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