Table of Contents
Advertisement
Installation, Operation,
and Maintenance
Packaged Rooftop Air Conditioners
Foundation™ Electric/Electric
15 – 25 Tons, 380V
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.
September 2014
EAC180-300AK
SAFETY WARNING
RT-SVX052A-EN
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Ingersoll-Rand EAC180-300AK
Summary of Contents for Ingersoll-Rand EAC180-300AK
- Page 1 Foundation™ Electric/Electric 15 – 25 Tons, 380V Model Numbers: EAC180-300AK 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. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
-
Page 2: Important Environmental Concerns
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. -
Page 3: Overview Of Manual
Introduction WARNING Proper Field Wiring and Grounding Required! 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 ....5 General Information ..... 6 Unit Description . -
Page 5: Model Number Description
Model Number Description Model Number Description Digit 15 — Supply Fan/Drive Digit 1 — Unit Type Type/Motor Packaged Cooling, Electric Heat Standard Motor Digit 2 — Efficiency Oversized Motor ASHRAE 90.1 - 2010 Digit 17 — Condenser Coil Digit 3 — Airflow Configuration Protection Convertible Standard Coil... -
Page 6: General Information
General Information Unit Description Discharge Line Thermostat Control The high pressure controls and discharge line thermostats Before shipment, each unit is leak tested, dehydrated, are wired in series between the thermostat signal and the charged with refrigerant and compressor oil, and run compressor contactors. -
Page 7: Storage
General Information • Verify that the power supply complies with the unit • Skin Contact - Wash affected areas gently with soap nameplate specifications. and warm water after handling. • Visually inspect the exterior of the unit, including the Storage roof, for signs of shipping damage. -
Page 8: Dimensional Data
Dimensional Data Figure 1. Typical installation clearance for single and multiple unit applications 5' 8" 5' 0" RT-SVX052A-EN... - Page 9 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-SVX052A-EN...
- Page 10 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-SVX052A-EN...
- Page 11 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 12: Relief
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 BAROMETRIC RELIEF IS FOR USE WITH A DOWNFLOW ECONOMIZER ONLY RT-SVX052A-EN... - Page 13 Dimensional Data Figure 10. Manual damper — 15–25 tons standard efficiency RT-SVX052A-EN...
-
Page 14: Unit Weights
Unit Weights Table 1. 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”... -
Page 15: 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 16: Main Unit Power
Installation Filter Installation • Ensure unit-to-curb seal is tight and without buckles or cracks. Each unit ships with 2-inch filters installed. The quantity of • Install and connect a condensate drain line to the filters is determined by unit size. Access to the filters is evaporator drain connection. -
Page 17: Controls Using 24 Vac
Installation • If the unit is not equipped with an optional factory The transformer is located in the control panel. The circuit installed nonfused disconnect switch, a field supplied breaker is located on the left side of the transformer and disconnect switch must be installed at or near the unit can be reset by pressing in on the black reset button. -
Page 18: Voltage Imbalance
Installation Example: If the voltage readings of the supply power Figure 14. Conventional thermostat field wiring measured 221, 230, and 227, the average volts would be: diagram 221 + 230 + 227 = 226 Avg. • VD (reading farthest from average) = 221 •... -
Page 19: Compressor Crankcase Heaters
Installation Checklist WARNING Use the following checklist in conjunction with the general Live Electrical Components! checklist (“General Unit Requirements, ” p. 15) to ensure that the unit is properly installed and ready for operation. During installation, testing, servicing and troubleshooting of this product, it may be necessary to WARNING work with live electrical components. -
Page 20: 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 21: 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 22: Start Up
Start Up Economizer Start-Up Figure 16. Compressor terminal box 1. Set the minimum position setpoint for the economizer to the required percentage of minimum ventilation using the setpoint potentiometer located on the Economizer Control (ECA). The economizer will drive to its minimum position setpoint, exhaust fans (if applicable) may start at random, and the supply fan will start when the SERVICE TEST is initiated. -
Page 23: Heating Start-Up
Start Up Heating Start-Up 1. Clamp an amp meter around one of 1 stage heater power wires at the heater contactor. 2. Verify that the heater stage is operating properly. 3. Clamp an amp meter around one of 2 stage heater power wires at the heater contactor (if applicable). -
Page 24: 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. 24. If the when the power is applied. “force”... -
Page 25: Monthly Maintenance
Maintenance Monthly Maintenance • With the unit running, check and record the: ambient temperature; compressor suction and discharge pressures (each circuit); superheat (each circuit); Before completing the following checks, turn the unit OFF Record this data on an “operator’s maintenance log” and lock the main power disconnect switch open. -
Page 26: Final Process
Maintenance recommend the use of chemical cleaners to clean _____________________________________________________ microchannel coils. Using chemical cleaners could lead to (3) Wiring Diagram Numbers (from unit control panel) warranty claims being further evaluated for validity and — schematic(s) failure analysis. _____________________________________________________ The recommended cleaning method for microchannel _____________________________________________________ condenser coils is pressurized water or air with a non- —... -
Page 27: Troubleshooting
Troubleshooting Method 2 WARNING To reset the system at the unit, cycle the unit power by Hazardous Service Procedures! turning the disconnect switch “Off” and then “On” . The maintenance and troubleshooting procedures Condensate Overflow Switch recommended in this section of the manual could result in exposure to electrical, mechanical or other potential safety hazards. -
Page 28: 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 7. Wiring diagrams Type of Schematic Diagram Airflow Type Voltage Number Description 208-230/ Power 2313-2202 EAC180-300, EAD180-300, 60Hz, Cooling only / Electric Heat... -
Page 29: Warranty
Warranty Central Air Conditioner where the end purchaser uses the product for other than personal, family or household purposes. EAC, EAD (Parts Only) Models 20 Tons and Greater for Commercial Use* Models Less than 20 Tons for Commercial Use* The Company warrants for a period of 12 months from initial start-up or 18 months from date of shipment, This warranty is extended by Trane, to the original whichever is less, that the Company products covered by... - Page 32 The manufacturer optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comfortable and energy efficient environments,the manufacturer offers a broad portfolio of advanced controls and HVAC systems, comprehensive building services, and parts. For more information, visit www.IRCO.com.
Need help?
Do you have a question about the EAC180-300AK and is the answer not in the manual?
Questions and answers