Tony here. If you’ve decided to go with a 5-ton Goodman R-32 condenser, congrats—you’re getting serious cooling power. But don’t rush the install. Let’s walk through every step of the process so you know exactly what to expect and how to get it done right.
📏 Step 1: Confirm Load Size & Site Readiness
Before anything gets delivered:
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✅ Perform a Manual J load calculation
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✅ Measure square footage and ceiling height
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✅ Confirm regional code requirements (especially for R-32)
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✅ Locate your breaker box and line set access
Tony Tip: Even the best 5-ton unit will underperform if the ductwork is undersized or the site lacks proper airflow.
🚚 Step 2: Delivery & Equipment Checklist
Your Goodman 5-ton R-32 condenser (model GLXS4BA6010) should include:
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Outdoor condensing unit
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Electrical whip and disconnect
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Line set (3/8" x 1 1/8")
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R-32-compatible indoor coil or air handler
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Condenser pad (poly or concrete)
🔌 Important: Ensure your system is labeled for R-32 ONLY—don’t attempt to mix refrigerants.
📐 Step 3: Installation Area Preparation
Clearances:
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Minimum 24" from walls
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60" clearance above unit
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Avoid placing under eaves or decks
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Avoid direct sun if possible (use shading or fencing with airflow)
Pad Installation:
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Use a level concrete or plastic pad (30" x 30" minimum)
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Consider vibration isolators
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Ensure pad won’t sink with soil settling
Read: Goodman Outdoor Installation Instructions (
⚡ Step 4: Electrical Setup
Electrical Requirements:
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208/230V, 1 phase, 60 Hz
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Dedicated 50–60A double-pole breaker
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Proper grounding (NEC-compliant)
Disconnect Box:
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Install within sight of condenser
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Use a non-fusible disconnect rated for 60A minimum
Whip:
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Connect using liquid-tight conduit
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Secure to both the disconnect and the condenser knockouts
🧊 Step 5: Line Set Installation
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Use R-32-rated copper (pressure rating ≥ 600 PSI)
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Length: Typically 25'–50'
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Avoid kinks, excessive bends, or long vertical runs
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Insulate both suction and liquid lines
🧯 Reminder: R-32 is mildly flammable. Use leak-proof flares and torque to spec.
Read more: ASHRAE R-32 Guidelines
🌀 Step 6: Indoor Unit Compatibility
Your condenser must pair with:
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R-32-compatible evaporator coil or air handler
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Proper TXV (thermostatic expansion valve) set for R-32
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5-ton capacity coil or air handler
If installing a matched Goodman system, ensure model numbers align with AHRI certified pairings.
Check: AHRI Directory
🔍 Step 7: Leak Testing & Pressure Check
After connecting the line set:
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Pull vacuum to < 500 microns
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Conduct a nitrogen pressure test to 450 PSI
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Verify no drop after 15 minutes
Leak check with an electronic detector or soap bubble test.
Don’t skip this step—R-32 is flammable and leaks void warranty.
❄️ Step 8: Refrigerant Charging & Commissioning
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Factory charge typically supports 15' line set
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Add R-32 if line set exceeds factory length (calculate by weight/ft)
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Use a digital scale
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Weigh charge precisely—don’t guess by pressure alone
Commissioning steps:
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Confirm subcooling (10–15°F typical)
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Measure supply/return delta (17–22°F)
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Record amps, voltage, and airflow CFM
📋 Step 9: System Start-Up Checklist
| Item | Target | Checked? |
|---|---|---|
| Voltage at contactor | 208–230V | ✅ |
| Amp draw | ≤ RLA on nameplate | ✅ |
| Subcooling | 10–15°F | ✅ |
| Static pressure (TESP) | ≤ 0.5" w.c. | ✅ |
| Room-to-room airflow test | Within ±3°F of target temp | ✅ |
Complete this checklist before leaving the site.
📱 Step 10: Thermostat Configuration
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Match to single-stage cooling (Y, R, G, C wires)
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Program schedule (avoid 24/7 cooling)
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Set humidity control if available
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Confirm fan profile settings (auto vs circulate)
See: ENERGY STAR Smart Thermostat Options
🛡️ Safety & Code Reminders
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R-32 requires ventilated mechanical room if installed indoors
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Use spark-free leak detection tools
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Install a label indicating A2L refrigerant use
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Follow local & national codes (NEC, IRC, and EPA Section 608)
More: EPA R-32 Refrigerant Page
🔧 Maintenance Tips for New Install
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Change filters every 1–2 months
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Inspect refrigerant lines annually
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Clean condenser coils with water or no-rinse cleaner
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Schedule annual HVAC tune-up
🧠 Final Word from Tony
Installing a 5-ton Goodman R-32 condenser isn’t rocket science—but it’s not plug-and-play either. You’ve got new refrigerant rules, electrical specs, and layout clearances to consider.
Trust a licensed installer, demand a commissioning report, and don’t skip the leak test. This isn’t just another AC—it’s your home’s climate backbone.
Tony-approved and future-proofed.
In the next topic we will read about: Goodman vs. Trane vs. Carrier — Which Brand Wins for 5-Ton AC Systems?
