PACKAGE UNITS GPG 10 AND 12 SEER. TECHNICAL SUPPORT 888-593-9988 MARK STOKES 713-861-2500 EXT. 630.
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Transcript of PACKAGE UNITS GPG 10 AND 12 SEER. TECHNICAL SUPPORT 888-593-9988 MARK STOKES 713-861-2500 EXT. 630.
![Page 1: PACKAGE UNITS GPG 10 AND 12 SEER. TECHNICAL SUPPORT 888-593-9988 MARK STOKES 713-861-2500 EXT. 630.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649c7f5503460f94934d5b/html5/thumbnails/1.jpg)
PACKAGE UNITSPACKAGE UNITS
GPG 10 AND 12 SEERGPG 10 AND 12 SEER
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TECHNICAL SUPPORT888-593-9988
MARK STOKES 713-861-2500 EXT. 630
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G P G 10 24 045 1 ABRAND Description EFFICIENCY NOMINAL CAPACITY HEATING INPUT VOLTAGE Revision
G = Goodman Packaged Gas 10 = 10 SEER 24=2 Tons 045=45 MBTUH (INPUT) 1 = 208-230/1/60 A = Initial 12 = 12 SEER 30=2 1/2 tons 070=70 MBTUH (INPUT) 3 = 208-230/3/60 B = Rev 1
36=3 Tons 090=90 MBTUH (INPUT) C = Rev 242=3 1/2 Tons 115=115 MBTUH (INPUT)48=4 Tons 140=140 MBTUH (INPUT)60=5 Tons
Model Number Chart
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SERIAL NUMBER
0409456678
04 is for the year it was built
09 is for the month it was built
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47” Wide
Fits in a standard size Pickup!
12 & 10 SEER Packaged Gas Electric
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12 & 10 SEER Packaged Gas Electric
• Convenient access panels to the compressor
• High-efficiency Scroll and Energy-efficient reciprocating compressor.
• Copper tube/aluminum fin coil.
• Liquid line filter drier.
• Fully charged R-22 system.
• Louvered Guard Protection
Cooling Features:
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10 & 12 SEER Packaged Gas Electric
• Convenient access panels to the Evaporator coil and control section.
• Direct spark ignition system, which includes a microprocessor based control for the entire ignition sequence, all blower operation and all safety circuits.
• Diagnostic Indicator provided for trouble shooting system faults.
Control Features:
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Design Objectives• 2 – 5 ton Single Phase
• 3, 4 & 5 ton Three Phase
• 12 &10 SEER Cooling, 80% AFUE Heating
• Capable of expansion to higher SEER ratings
• Convertible
• Easy Access Service Panels
Architectural Gray
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12 & 10 SEER Packaged Gas Electric
Heating Features:• Convenient access panels to the heating section. • Redundant gas valve, natural gas and easy conversion to propane.• Power-assisted combustion.• L.P. Conversion Kit Available• 12 & 10 SEER units offer a durable, T-140 Aluminized Steel tubular heat exchanger.•California Low Nox Approved
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Wrinkle-bend Process
• Manufacturing stress including wall-thinning is minimized
• Wrinkles are placed precisely where we want them
• Wrinkles promote turbulence to aid heat transfer and efficiency
We begin with T-140 Aluminized Steel tubes
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Dual-diameter/Muffler-joint
• 1-3/4” diameter fits inside a 1-1/4” diameter
• Tubes are joined with a proprietary process
• Velocity of combustion products is optimized
• Efficiency is maximized
We apply a patented process to join tubes
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1,000°F
300°F
Tube can grow in length and diameter Growth is uniform at the cross-section No opportunity for stress-cracks
Non-uniform thermal growth Eyelets can pop Stress-cracks can form
Tubular Technology Renders Clamshell Obsolete
300°F300°F
1,000°F800°F
110°F300°F
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INSTALLATION
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CLEARENCE FROM COMBUSTIBLE
MATERIALS
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CURB INSTALLATION
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RIGGING
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PIPING
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CONDENSATE DRAIN
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FLUE HOOD & BUG SCREEN
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12 & 10 SEER Packaged Gas Electric
McDaniel MetalsPart Number Description
PGC101/102 Roof Curb PGED101 Downflow Economizer 2 - 3 1/2 TonPGED102 Downflow Economizer 4 - 5 TonPGEH101 Horizontal Economizer 2 - 3 1/2 TonPGEH102 Horizontal Economizer 4 - 5 TonPGMDD101 Manual 25% Fresh Air Damper 2 - 3 1/2 Ton Downflow ApplicationPGMDD102 Manual 25% Fresh Air Damper 4 - 5 Ton Downflow ApplicationPGMDH101 Manual 25% Fresh Air Damper 2 - 3 1/2 Ton Horizontal ApplicationPGMDH102 Manual 25% Fresh Air Damper 3 - 3 1/2 Ton Horizontal ApplicationPGMDH103 Manual 25% Fresh Air Damper 4 - 5 Ton Horizontal ApplicationPGMDMD101 Motorized 25% Fresh Air Damper 2 - 3 1/2 Ton Downflow ApplicationPGMDMD102 Motorized 25% Fresh 4 - 5 Ton Downflow ApplicationPGMDMH101 Motorized 25% Fresh Air Damper 2 - 3 1/2 Ton Horizontal ApplicationPGMDMH102 Motorized 25% Fresh Air Damper 3 - 3 1/2 Ton Horizontal ApplicationPGMDMH103 Motorized 25% Fresh Air Damper 4 - 5 Ton Horizontal ApplicationSQRPG101 Square to Round Adapter w/ 16" Round Downflow Application 2 - 3 1/2 TonSQRPG102 Square to Round Adapter w/ 18" Round Downflow Application 4-5 TonPGFR101/102 Internal Filter Rack 2 - 5 Ton
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10 & 12 SEER Packaged Gas Electric
Blower Features:
• Convenient access panels to the blower section.
• Filter rack included on 12 SEER large (4 &5 ton) chassis.
• Easy removal of blower with two screws.
• Multi-speed evaporator blower.
• Fully insulated with blankets of fiberglass.
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Shipped with four panels
Base Features:• 042 Aluminized Steel Bottom/Base Pan
• 2” High Base Rails
12 & 10 SEER Packaged Gas Electric
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DUST COVER INSTALLATION
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RECOMMENDED FILTER SIZES
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Electrical
• 208/230 Volt Power connections and 460 Volt available in 5 Ton Cool only model
• Single Phase and Three phase models available
• Maximum Over current Protection determined by model
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Wiring• All wiring should be made in accordance with
the National Electrical Code. • Wire sizes and over current protection should
be determined from the unit nameplate ampacity.
• Wire sizes should not be smaller than recommended by these two sources.
• All exterior wiring must be within approved weatherproof conduit.
• The unit must be permanently grounded in accordance with local codes.
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HIGH VOLTAGE WIRING
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LOW VOLTAGE WIRING
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CHECKING THE COMPRESSOR
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CHECKING CONTACTOR
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CHECKING CAPACITOR
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COMPRESSOR NORMINCLATURE
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COMPRESSOR DIAGONSTICS
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TESTING FOR GROUNDED
COMPRESSOR
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FLOW RATER
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EVACUATION
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HEATING SIDE OF GPG
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CHECKING GAS PRESSURE
Manifold Outlet Gas Pressure
Natural…. Min. 3.2” W.C., Max 3.8” W.C.
Propane….Min. 9.7” W.C., Max. 10.3” W.C.
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CHECKING BURNERS
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Burner
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BURNER BOX REMOVAL
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CHECKING BURNERS
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CHECKING LIMIT SWITCH
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Pressure Switch Check
• Meter on AC Voltage Setting ; between Quick Connect on Pressure Switch and Ground
• Prior to Operation check for open side of Pressure Switch (No Voltage Present)
• When Pressure Switch Closes 24 Volts should be present on N/O side
• Issue: Watch for switch bounce on windy days
• Issue: Watch for P.S. drop-out for low pressure
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CHECKING PRESSURE SWITCH
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CHECKING PRESSURE SWITCH
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PRESSURE SWITCH
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INDUCED DRAFT BLOWER
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Understanding ECM Motors
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Understanding ECM Motors
• What does ECM mean?• How does the ECM work?• Variable Speed vs
Constant Volume.• What is PWM• How does the ECM sense
static pressure?• Troubleshooting ECM
motors.
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BLOWER MOTOR & HOUSING
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Electronic Controls
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B18099-18 Control
• B18099-21 Has Green Diagnostic LED
• B18099-21 Cannot be used alone; must be used with B18099-22 Control
• B18099-21 Control is set up for 50Hz Operation and for use in Europe (CE Mark)
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Control Environment
• +80 to -40 Degrees Celsius (+176 to -40 F)
• 10% to 95% R.H. Non-Condensing• 98 to 132VAC Line Voltage• 18 to 30VAC Control Voltage• Frequency - 60Hz• UL & cUL Approved
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General Functions
• “W” Input On (Call for Heat)– Checks to see pressure switch open– Turns on Inducer– Pressure Switch Closes; 15 Second Pre-Purge– Starts Sparking & Gas Valve Turns On for 7 Seconds – Flame Sensed Anytime During Spark– Gas Valve Stays On– Blower Comes On after 30 Second Delay
• “W” Input Off (Call for Heat Satisfied)– Gas Valve De-Energizes Immediately– Inducer Remains on for 29 Second Post Purge– Indoor Blower De-Energizes after Selected Blower Off
Delay
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General Functions Continued....
• Single Compressor Mode (Tab is not Broken)– “Y” Input On (Call for Cooling)
• 3 Minute Anti-Short Cycle Timer from the time the compressor was last on.
• Cooling Speed Blower after a 7 second delay
– “Y” Input Off (Call for Cool Satisfied)• Cooling Speed Fan Off after 60 Second Delay
• Dual Compressor Mode (Tab is Broken)– 1st Stage Compressor is Energized Externally– “Y” Input On for 2nd Stage Cooling after 7 Second Delay– “Y” Input Off ; Cooling Speed Fan off after 60 Second Delay
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General Functions Continued....
• “G” Input On (Call For Fan)– Fan Immediately on Heat Speed
• “G” Input Off– Fan Immediately Shuts Off
• If “Y” input Occurs During “G”– Blower Switches to Cooling Speed
• If “W” Occurs During “G”– Blower off when Heat Blower On Delay Begins– Continuous Fan Operates while control is in Heat Mode
Lockout• Test/Speed-Up Bypasses Compressor Short-Cycle Timer
– If Shorted for Over 4 Minutes ; Control Ignores = Operates Normal
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Diagnostic Codes• Steady On = Normal Operation in Standby• 1 Flash = Lockout for Ignition Failure or Flame Dropouts
– 3 Trials for Ignition or 5 Flame Losses • 2 Flashes = Pressure Switch Open with Inducer On• 3 Flashes = Pressure Switch Stuck Closed with Inducer Off• 4 Flashes = Limit Switch Open
– Heat Speed Blower and Inducer On Until Limit Closes– Blower Runs thru Off Delay; Inducer runs thru 29 Second Post-Purge
• 5 Flashes = Flame Detected with Gas Valve Off– Blower and Inducer Both On Until No Longer Sensed– Control Locks out But Senses Limit and Flame– Control is Reset By Removing Power or after 1 Hour Automatically
• 6 Flashes = Compressor Delayed for Short Cycle/Staging Timer• Status Light Off = Board Hardware Fault
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Flame Sense Checking
• Digital Meter set for lowest uA Setting• Meter in series with Flame Sense Rod Wire• Control must read a minimum of .5uA during
flame sensing period• Average current reading is around 3-5uA.• Control constantly monitors Flame during
heating operation• Issue: Flame Sense Rod gets corroded ; Clean
w/ steel wool• Issue: Flame Rod not situated in Flame
Correctly
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Ground Check
• Meter set to Ohms or Resistance Setting• Place Meter from P1-6 or COM quick
connect to chassis ground• Reading should be near Zero ohms• Issue: COM Quick Connect Loose ;
causes board resetting when blower starts
• Issue: Flame Sensing problems if improper grounding in system
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GPG TROUBLESHOOTINGTHEORY OF OPERATION
Control of heating, cooling, and fan functions in response to a standard thermostat
Direct spark ignition using a microprocessor to control timing, flame sensing, and ignition
retries
Monitoring of system pressure switch and limit switch
Control of gas valve, indoor fan, and induced draft motor based on the thermostat demand
and status of safety inputs
Control of compressor contactor
Diagnostic indicator to provide information on power to the control and control status
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GPG TROUBLESHOOTINGSummary of Timing Functions (in
seconds)Function Signal Name Delay-On Delay-Off
Heat Speed MV (1) 30 120, 135,150 (2)
Cool Speed Y 7 60
Compressor Y 60 (3) 180 (4)
Induced Draft Induced Draft 15 (5) 29
1. Heat speed delay on and off occur only after flame has been sensed and main valve (MV) is energized
2. Selectable with jumpers
3. Indicates timing when “Two Stage Comp” tab is broken off, timer becomes delay on make
4. Indicates timing when “Two Stage comp”tab is not broken off, timer becomes compressor lock out between cycles(I.e. Minimum timing between compressor
cycles)
5. Prepurge timing (not delay on )
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GPG TROUBLESHOOTINGInputs
Limit Switch –The limit switch is connected to control pins 4 and 5. The limit switch is connected is electrically between fused 24 VAC and the
thermostat R
Pressure Switch-The pressure switch is connected on pins 6 and 8. The pressure switch “W and the gas valve relay contacts
Thermostat call for Heat “W”-24 VAC thermostat input. Connection via pin 10
Thermostat call for cool “Y”- 24 VAC thermostat input connections via pin 11
Thermostat call for fan “G”- 24 VAC thermostat inputs. Connection via pin 7
Flame Sense- Open circuit flame sense voltage shall be approximately 100 VAC . The control requires at least .5 microamperes DC flame current to
guarantee flame is sensed
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12 & 10 SEER Packaged Gas Electric Leading Warranties:
• 12 SEER offers an Aluminized Steel Heat Exchanger with a 20Year limited Warranty and10 Year Limited Warranty on the Compressor and Parts.
• 10 SEER offers an Aluminized Steel Heat Exchanger with a 20Year limited Warranty and 5 Year Limited Warranty on the Compressor and Parts.