Mammoth R8GD Serie Single Packaged Gas/Electric Units Owner’s Manual

TECHNICAL SPECIFICATIONS
R8GD Series
Single Packaged Gas/Electric Units
13 SEER, R-410A, 80% AFUE
2 Ton thru 5 Ton Units

The R8GD Series single packaged gas/electrics are high efficiency self contained cooling units that can be installed on the roof or ona slab. The convertible unit design makes installations simple in all applications. Units are ETL and ETLc listed.

FEATURES and BENEFITS

• Quality Compressor: State of the art Copeland Scroll compressor is standard equipment.
• Proven,Industry Standard Components: Easierservice and availability.
• R-410A Refrigerant: Environmentally friendly.
• High and Low Pressure Switch: Added compressor protection.
• Micro-Channel Coils: Both indoor and outdoor all aluminum coils are designed to optimize heat transfer, minimize size and cost, and increase durability and reliability.
• Liquid Line Filter Driers: Factory installed at aconvenient location for service.
• Externally Accessible Service Ports: Quick access to refrigerant system without disrupting operation.
• Compact Footprint/Low Profile: Easy to handle and transport.
• Heavy-Gauge Full Perimeter Base Rails: Facilitates forklift handling and curb mounting.
• Convertible Air Delivery: Horizontal or downflow to accommodate rooftop or horizontal application.
• Galvanized Steel Cabinet: Polyurethane finish provides 950 hour salt spray protection to resist corrosion.
• Wire Guard Coated with Earth Friendly Epoxy and Mesh Hail Guard: Will never rust and protect the coil from being damaged by balls, lawnmowers, hail etc.
• Access to Controls and Major Components: Easy in and out service.
• LowVoltage Transformer: Includes 3 Amp fuse to protect low voltage circuit.
• Corrosion-Resistant Drain Pan: Quickly drains away evaporator condensate.
• One Piece Top for Great Fit and Finish, Total Seal: Well designed, quality construction. Drip edge on top panels whisks away rainwater. Embossed bottom pan keeps blower component compartment dry.
• Quiet Operation: Low vibration. 20″ fan blade combined with custom venturi condenser fan.
• SmartLite® Control Board: Provides extended life to igniters using hot surface ignition technology. Programmed to learn the heat-up characteristics of the igniter, then adapt the ignition time to the characteristics of the furnace so the igniter is energized appropriately.
• Hot Surface igniter: Innovative application of anappliance type igniter with a 20 year history of reliability.
• Accessories: Roof curbs and more.

MODEL IDENTIFICATION CODE

DIMENSIONS

Model Number R8GD| Unit Weight| Shipping Weight| Center of Gravity| Height in inches (C)
---|---|---|---|---
A| B| with base rails| without base rails
024K045†| 397| 413| 26.5| 26.5| 35.0| 31.3
024K072†| 405| 421| 26.0| 26.5| 35.0| 31.3
030K045†| 398| 414| 26.5| 26.5| 35.0| 31.3
030K072†| 406| 422| 26.0| 26.5| 35.0| 31.3
036K072†| 403| 419| 26.5| 26.5| 35.0| 31.3
036K096†| 411| 427| 26.5| 26.5| 35.0| 31.3
042K072†| 435| 453| 27.0| 26.5| 39.0| 35.3
042K096†| 443| 461| 27.0| 26.5| 39.0| 35.3
048K096†| 453| 470| 27.5| 26.5| 39.0| 35.3
048K120†| 461| 478| 27.5| 26.5| 39.0| 35.3
X60K096†| 472| 489| 27.5| 26.5| 43.0| 39.3
X60K120†| 480| 497| 27.5| 26.5| 43.0| 39.3

SPECIFICATIONS AND ELECTRICAL DATA

SINGLE PHASE

AIRFLOW DATA

• Denotes factory set cooling speed
  ** Denotes factory set heating speed
  ** Denotes factory set cooling and heating speed
  (t) Part number may contain a C or X.
  Heat rise: Btu/h (Input) = CFM ΔT 1.08
  ΔT = (Btu/h 0.83) / (CFM * 1.08)

• Denotes factory set cooling speed
  ** Denotes factory set heating speed
  ** Denotes factory set cooling and heating speed
  (†) Part number may contain a C or X.
  Heat rise: Btu/h (Input) = CFM Δ T 1.08
  Δ T = (Btu/h 0.83) / (CFM * 1.08)

EXPANDED RATINGS

R8GD ACCESSORIES

Economizer, Downflow, Modulating w/filter (does not require filter kit) 2 – 2.5 Ton| 547833
Economizer, Downflow, Modulating w/filter (does not require filter kit) 3 – 5 Ton| 558870
Economizer, Horizontal, Modulating 2 – 5 Ton| 547841
Power Exhaust, Downflow (application requires downflow economizer) (Special Order)| 547842
Power Exhaust, Horizontal (application requires horizontal economizer) (Special Order)| 547843
Filter Kit R6GD 024 – 042| 547888
Filter Kit R6GD 048 – 060| 547889
Filter Kit, All Downflow Applications (not required with economizer)| 547885
Hood Type Hail Guard, Coil Dim.  30” X 76”  2, 2.5, 3 Ton| 547844
Hood Type Hail Guard, Coil Dim.  34” X 76”  3.5 – 4 Ton| 547846
Hood Type Hail Guard, Coil Dim. 38” X 76”  5 Ton| 547847
DUCT SMOKE DETECTOR PHOTO ELEC| 558863
MULTI SIGNAL CONTROL| 547893
SAMPLING TUBE DST3, 2-4ft| 558864
SAMPLING TUBE DST5, 4-8ft| 558865
Low Ambient Kit| 918837
U.S. – LP Gas/High Elevation Conversion Kit, 1 & 2 Stage models (0 – 10,000 ft. above sea level)| 904404A
Canada – LP Gas/High Elevation Conversion Kit, 1 & 2 Stage models (0 – 4,500 ft. above sea level)| 904405A
Outdoor Thermostat Kit| 913852
Universal Hard Start Kit| 912933
Skirt Trim Kit| 919729
Extreme High Wind Kit – Roof Curb Mount| 903696
Extreme High Wind Kit – Ground Mount| 903695
Freezestat Kit| 917108
Control, CO2 Sensor, Wall Mount| 920317
Control, CO2 sensor, Duct Mount| 920318

GENERAL TERMS OF LIMITED WARRANTY
NORDYNE will furnish a replacement for any part of this product which fails in normal use and service within the first year of installation, in accordance with the terms of the warranty.
For complete details of the Limited Warranty, including applicable terms and conditions, see your local installer or contact the NORDYNE warranty department for a copy.

8000 Phoenix Parkway | O’Fallon, MO 63368-3827
Specifications and illustrations subject to change without
notice and without incurring obligations.
Printed in U.S.A (05/2012)
920D-0512 (Replaces 920D-0412)
www.millerac.com
Trademark Miller® used under license.
© Nortek Global HVAC, LLC.
All Rights Reserved.

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