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Installation, Operation,
and Maintenance
Packaged Rooftop Air Conditioners
Foundation™ Gas/Electric
3 to 5 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.
August 2017
GBC036-060
SAFETY WARNING
RT-SVX058B-EN
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Summary of Contents for Ingersoll-Rand GBC036-060
- Page 1 Foundation™ Gas/Electric 3 to 5 Tons, 60Hz Model Numbers: GBC036-060 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.
- Page 3 Introduction WARNING Follow EHS Policies! Failure to follow instructions below could result in death or serious injury. • All Ingersoll Rand personnel must follow Ingersoll Rand Environmental, Health and Safety (EHS) policies when performing work such as hot work, electrical, fall protection, lockout/tagout, refrigerant handling, etc.
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Page 4: Table Of Contents
Table of Contents Model Number Description Resetting Cooling and Heating Lockouts . .32 ....5 Unit Economizer Control (ECA) ..32 General Information . -
Page 5: Model Number Description
Model Number Description Model Number Description Digit 1 — Unit Type Downflow Low Leak Economizer, Model Number Notes Comparative Enthalpy, W/ Packaged Cooling, Gas heat Barometric Relief 1. Some field set up required. Digit 2 — Efficiency Digit 15 — Supply Fan/Drive 2. -
Page 6: General Information
General Information Overview of Manual Precautionary Measures Note: One copy of this document ships inside the control panel of each unit and is customer property. It must WARNING be retained by the unit’s maintenance personnel. Fiberglass Wool! This booklet describes proper installation, operation, and Product contains fiberglass wool. -
Page 7: Unit Description
General Information Unit Description Phase Monitor The Phase Monitor is a three-phase line monitor module Before shipment, each unit is leak tested, dehydrated, that protects against phase loss, phase reversal and phase charged with refrigerant and compressor oil, and run unbalance. -
Page 8: Initiation Of Operating Modes - Jade Controller
General Information Thermostat (TCONT802AS32DA) will then operate in the occupied mode every time the indoor fan is running. This thermostat is a multi-stage 3 heat/2 cool, auto- changeover digital display thermostat. It is a Initiation of Operating Modes - programmable thermostat, and a 7-day programmable JADE Controller stat with night setback shall be available. -
Page 9: Dimensional Data
Dimensional Data Figure 1, p. 9 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. Gas/electric units — overview DISCONNECT SWITCH ACCESS GAS CONNECTION CONDENSATE DRAIN CONNECTION Figure 3. Gas/electric units — front & side views — 3–5 tons 42.558 42.004 20.735 15.860 7.860 42.175 29.671 43.675 44.675 76.814 47.934 NOTES: 1.
- Page 11 Dimensional Data Figure 4. Gas/electric units — bottom view — 3–5 tons Figure 5. Foundation units — back view (horizontal configuration) — 3–5 tons RETURN SUPPLY RT-SVX058B-EN...
- Page 12 Dimensional Data Figure 6. Roof curb —3–5 tons SUPPLY RETURN Figure 7. Downflow unit clearance — 3–5 tons standard efficiency CLEARANCE CLEARANCE UNIT OUTLINE CLEARANCE CLEARANCE RT-SVX058B-EN...
- Page 13 Dimensional Data Figure 8. Barometric relief and economizer— 3–5 tons ECONOMIZER BAROMETRIC RELIEF BAROMETRIC RELIEF RIGHT VIEW OF UNIT BACK VIEW OF UNIT Figure 9. Manual damper — 3–5 tons MANUAL DAMPER HOOD RIGHT VIEW OF UNIT BACK VIEW OF UNIT NOTE: VERIFY WEIGHT, CONNECTION, AND ALL DIMENSIONS WIT INSTALLER DOCUMENTS BEFORE...
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Page 14: Unit Weights
Unit Weights Table 1. Maximum unit & corner weights (lb) and center of gravity dimensions (in.) cooling with optional electric heat units only (a), (b) Weights (lb) Corner Weights Center of Gravity (in.) Unit Tons Model No. Shipping Length Width GBC036* GBC048* GBC060*... -
Page 15: Installation
Installation Unit Foundation Note: For sound consideration, cut only the holes in the roof deck for the ductwork penetrations. Do not cut out the entire roof deck within the curb perimeter. WARNING If a Curb Accessory Kit is not used: a. - Page 16 Installation Factory Installed Economizer External Vent Hood Installation • Ensure the economizer has been pulled out into the operating position. Refer to the standard or low leak WARNING economizer Installation Instructions for proper Hazardous Voltage! position and setup. Disconnect all electric power, including remote •...
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Page 17: Main Unit Power
Installation trap condition which could result in condensate backup Figure 13. Vent hood shipping location due to “air lock” . Filter Installation Each unit ships with 2-inch filters installed. The quantity of filters is determined by unit size. Access to the filters is obtained by removing the filter access panel. - Page 18 Installation Optional TBUE Wiring (Through the Base Protection devices must be sized according to the electrical data on the nameplate. Electrical Option) • If the unit is not equipped with an optional factory • Location of the applicable electrical service is installed nonfused disconnect switch, a field supplied illustrated below.
- Page 19 Installation The transformer is located in the control panel. The circuit Figure 16. Conventional thermostat field wiring breaker is located on the left side of the transformer and diagram can be reset by pressing in on the black reset button. Controls using 24 Vac Before installing any connecting wiring, refer to “Dimensional Data, ”...
- Page 20 Installation Gas Heat Data Figure 17. Schematic diagram for field gas piping to units Table 3. Gas heater operating data Heating Input Rate— Btu/h 115,000 100,000 72,000 Minimum Supply Gas 4/11 4/11 4/11 Pressure Natural/LP Manifold Gas Pressure Combustion Blower Suction -0.50 to - -0.50 to - -0.50 to -...
- Page 21 Installation • V1, V2, V3 = Line Voltage Readings WARNING • VD = Line Voltage reading that deviates the farthest from the average voltage. Live Electrical Components! Example: If the voltage readings of the supply power During installation, testing, servicing and measured 221, 230, and 227, the average volts would be: troubleshooting of this product, it may be necessary to work with live electrical components.
- Page 22 Installation Checklist Use the following checklist in conjunction with the general checklist (“General Unit Requirements, ” p. 15) to ensure that the unit is properly installed and ready for operation. WARNING Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/ tagout procedures to ensure the power can not be inadvertently energized.
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Page 23: 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 (refer to Figure 15, p. -
Page 24: Through The Base Gas Utility Option
Model Dimension NEC and your local/state electrical codes. Failure to follow code could result in death or serious injury. GBC036-060 1.62” Figure 20. Through-the-base gas piping installation Support bracket Pipe union Grommet 1/2”... -
Page 25: 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 26: 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 27: Heating Start-Up
Start Up pressures to the operating pressure curve in the Service Facts. 3. Check system subcooling. Follow the instruction listed on the subcooling charging curve in the Service Facts. 4. Repeat Step 1 through Step 3 for each refrigerant circuit. 5.
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