Mammoth R6GP Series Gas Electric Pack Owner’s Manual

Mammoth R6GP Series Gas Electric Pack

Technical Specifications

• Designed for retrofit applications
• Compatible with most standard footprints
• Quick and easy installation
• Compliant with ASHRAE 90.1 ADDENDUM S requirements (2007)
• State-of-the-art scroll compressor
• Earth-friendly non-ozone non-ozone-depleting refrigerant
• NEMA 12/19/2010 compliant
• Manual reset high-pressure control
• Optimized heat transfer and durability
• Rust-proof coil guard
• Hi/low service ports for easy access
• Heavy-duty PSC motor for reliability and quiet operation
• Weatherproof design with rain and snow protection
• Includes a 4 Amp circuit breaker for low voltage circuit protection
• Liquid floodback and compressor failure protection
• Easy access panels for servicing
• High/Low fire operation
• Converts to horizontal airflow with side panels
• No special servicing tools required
• Prevents condensation and ensures quiet operation
• Rigging holes in base rails for easy installation
• 20 gauge galvanized steel construction with corrosion-resistant finish
• Fits most standard rooftop applications

Product Usage Instructions

Installation

1. Select a suitable location for the unit on the rooftop.
2. Ensure the unit is compatible with the existing footprint or make necessary adaptations.
3. Connect the high-voltage and low voltage power supply according to the provided wiring diagram.
4. Mount the unit securely using the rigging holes in the base rails.
5. Connect the condensate drain and combustion air inlet.
6. Install the necessary side panels for horizontal airflow, if required.
7. Verify all connections and wiring before powering on the unit.

Maintenance

The unit requires minimal maintenance. However, regular inspections and cleaning are recommended to ensure optimal performance.

1. Inspect the coil guard for any signs of damage or rust. Replace if necessary.
2. Clean the coils to remove dirt and debris that can affect heat transfer.
3. Check the fan motor for any unusual noise or vibration. Lubricate if required.
4. Inspect the control panel and wiring for any loose connections or damage.
5. Check the compressor for proper operation and listen for any abnormal sounds.
6. Clear any obstructions in the condensate drain to prevent water buildup.

FAQ

• Q: What refrigerant does this unit use?
  A: This unit uses an earth-friendly non-ozone-depleting refrigerant.

• Q: Is the unit protected from rain and snow?
  A: Yes, the unit is completely protected from rain and snow.

• Q: How can I access the controls and compressor for servicing?
  A: Access panels are provided on the side of the unit for easy servicing.

• Q: Does the unit require any special servicing tools?
  A: No, the unit does not require any special servicing tools.

• Q: Can this unit be used for horizontal airflow?
  A: Yes, this unit can be easily converted to horizontal airflow with the included side panels.

6, 7½ and 10 Ton Packaged Gas/Electric Units, with R-410A
11.2 EER Commercial System
These units are designed specifically for retrofit applications and compatibility with most standard footprints.
They take less time to install and retrofit, making the contractor’s job more profitable. These units offer flexibility in the replacement market. This unit is compliant with the 2007 requirements of ASHRAE 90.1 ADDENDUM S.

WARRANTY

• 1 year limited parts
• 5 year compressor
• 10 year limited heat exchanger.

FEATURES and BENEFITS

• Quality Compressor: State-of-the-art scroll compressor is standard equipment.
• R-410A refrigerant: Earth-friendly non-ozone depleting refrigerant.
• 7 ½ & 10 Ton Feature Two-Stage Cooling
• 6 Ton Features Single Stage Cooling
• High Efficient Blower Motor: Meets the requirements of NEMA 12/19/2010
• Hi/Low-Pressure Switches: Ensure long compressor life. Featuring manual reset high-pressure control.
• CopperTube/ Aluminum Fin Coils: Both indoor and outdoor coils are designed to optimize heat transfer, minimize size and cost, and increase durability and reliability.
• Plastic Mesh Hail Guard: A guard that will never rust and protects the unit’s coil from being damaged.
• For Easy Service: Hi/low service ports allow quick access without disrupting operation.
• Permanently Lubricated Condenser Fan Motors: A heavy duty PSC motor for long-lasting reliability and quiet operation. Requires no maintenance and is completely protected from rain and snow.
• 75 VA Transformer: Includes 4 Amp circuit breaker to protect the low voltage circuit.
• Liquid Line Filter Driers: Factory installed for convenience.
• Crankcase Heater: Protection from liquid floodback future compressor failures.
• Freeze protection thermostats: provide reliable compressor operation.
• Easy Compressor and Control Access: Designed to make servicing easier for the contractor, access panels are provided to all controls and the compressor from the side of the unit.
• Two-Stage Heating: Provides High / Low fire operation
• Direct Spark Ignition Control: With 3 amp fuse, flame sensing, and diagnostic LED
• Convertible Air Delivery with Kit: Converts to horizontal airflow with side panels including duct flange and bottom close-off panels.
• Quick-Release Filter Access Panels: Requires no special servicing tools.
• Fully Insulated Bottom Pan: Helps ensure quiet operation and prevents condensation.
• Removable Top Grille Assembly: Allows ease of service to the fan motor.
• Full Perimeter Base rail System: Base rails have rigging holes and do not need to be removed for curb applications. Base rails have fork truck slots on three sides.
• Durable, Attractive Cabinet: Designed using 20 gauge galvanized steel with a polyester urethane finish. The 950 hour salt spray finish is 1.5 mil thick and resists corrosion 50% better than comparable units.
• Compatibility: Fits most standard rooftop applications — can be easily adapted for exceptions. Footprint database is available for cross-reference at http://www.rooftopsystems. com under the “Adapter Quote” tab.

Model R6GP -120C235C Shown

Dimensions shown in inches

R6GP – PHYSICAL DATA

Physical Dimensions for R6GP-072 Series

MODEL. O.

| 5NIT 7EIGHT p| 3HIPPING

7EIGHT

| #ENTER OF ‘RAVITY

)NCHES (MM)

| #ORNER 7EIGHTS| **5NIT (EIGHT*
---|---|---|---|---|---
A| “| C| $| (HORIZONTAL**

$UCT

!APPLICATIONS

| 6ERTICAL

$UCT

!APPLICATIONS

,BS.| +G.| ,BS.| +G| A| “| ,BS.| +G.| ,BS.| +G.| ,BS.| +G.| ,BS.| +G.

R6GP-072*-100C

| ****

934

| ****

425

| ****

1069

| ****

486

| 48

(1219)

| 25 5/8

(651)

| ****

197

| ****

89

| ****

245

| ****

111

| ****

273

| ****

124

| ****

219

| ****

100

| 43 1/2

(1105)

| 38 1/4

(972)

R6GP-072*-166C

| ****

959

| ****

436

| ****

1094

| ****

497

| 49

(1245)

| 25 5/8

(651)

| ****

206

| ****

94

| ****

257

| ****

117

| ****

275

| ****

125

| ****

221

| ****

100

| 43 1/2

(1105)

| 38 1/4

(972)

R6GP-090*-200Ca

| ****

983

| ****

446

| ****

1118

| ****

507

| 55 3/8

(1407)

| 28

(711)

| ****

262

| ****

119

| ****

275

| ****

125

| ****

229

| ****

104

| ****

218

| ****

99

| 43 1/2

(1105)

| 38 1/4

(972)

R6GP-120*-235Ca

| ****

1301

| ****

590

| ****

1441

| ****

654

| 49

(1245)

| 30

(762)

| ****

300

| ****

136

| ****

328

| ****

149

| ****

351

| ****

159

| ****

322

| ****

146

| 55-1/4 (1409)| 51

(1295)

Baserails are not intended to be removed. Information provided is total unit height for horizontal duct applications or height dimension added to selected roof curb height for vertical duct applications.
Unit weight without packaging or field installed accessories.

Center of Gravity & Unit Shipping Weights

MODEL IDENTIFICATION CODE

PHYSICAL SPECIFICATIONS DATA

Notes:

1. Certified in accordance with AHRI Standard 340/360 at the rated airflow shown and the minimum external static duct pressure allowed by the standard. ARI Rating for units with dual voltages are shown at highest rated unit voltage.
2. E.E.R. – Energy Efficiency Ratio: The EER and Net Capacity is determined @ 95°F Outdoor DB and with air entering the evaporator at 80°F DB / 67°F WB
3. IEER – Intergrated Energy Efficiency Ratio: a measure of merit for part load performance of the unit.
4. Refer to Alternate Accessory Drive Table for other available motor/drive kits

UNIT HEATING PERFORMANCE DATA

Notes:

1. Certified in accordance with AHRI Standard 340/360 at the rated airflow shown and the minimum external static duct pressure allowed by the standard. ARI Rating for units with dual voltages are shown at highest rated unit voltage.
2. E.E.R. – Energy Efficiency Ratio: The EER and Net Capacity is determined @ 95˚F Outdoor DB and with air entering the evaporator at 80˚F DB / 67˚F WB
3. IEER – Intergrated Energy Efficiency Ratio: a measure of merit for part load performance of the unit.
4. Refer to Alternate Accessory Drive Table for other available motor/drive kits

Notes:

1. Units with Heating inputs of 225,000 Btuh or greater are rated IAW DOE 10 CFR Part 431
2. Capacities shown represent use with Natural Gas, refer to Table 10 for LP gas capacities
3. Heat Exchangers are convertible to LP with Accessory Kit

TEMPERATURE RISE/AIRFLOW

At Elevations of 2000 Ft or less

ORIFICE OR DRILL SIZE FOR NATURAL AND PROPANE (LP) GASES

Refer to Instructions for High Altitude Deration to determine heat-exchanger capacity at increased elevations.
Table 10. Approximate Orifice or Drill Size for Natural and Propane (LP) Gases.

ELECTRICAL DATA FOR POWER EXHAUST ACCESSORY KITS

See Accessory List, pg 22

ELECTRICAL AND HIGH STATIC DRIVE DATA

Notes:

1. To achieve the rated unit performance, unit voltage should be within 2% of nominal.

2. For C series units:
   Nominal Unit Input Voltage = 208-230 Volt, 60 Hertz, 3 Phase
   Minimum allowed unit voltage = 187V
   Maximum allowed voltage = 253V

3. For D series units:
   Nominal Unit Input Voltage = 460 Volt, 60 Hertz, 3 Phase
   Minimum allowed unit voltage = 414V
   Maximum allowed voltage = 506V

4. Indoor Motors meet 2010 DOE requirements (Premium Efficient)

5. Refer to High Static Drive Kit Installation Instructions for additional information

6. FLA = Full Load Amps
   RLA = Rated Load Amps
   MCA = Minimum Circuit Ampacity
   MOP = Maximum Over-Current Protection
   LRA = Locked Rotor Amps

R6GP FIELD INSTALLED HIGH STATIC BLOWER DRIVES

R6GP – EXPANDED RATINGS, COOLING MODE

R6GP-072(C/D)-(100/166)C

R6GP-072(C/D)-(100/166)C

Notes:

1. T.C. = Total (Net) Cooling Capacity, S.C. = Sensible Cooling Capacity, kW = Kilowatts
2. Expanded Ratings are based on 230 Volt – 60 Hz operation
3. Ratings based on Factory Standard Blower Drive
4. Bolded Values indicate ARI rating points
5. Energy Efficiency Ratio (EER) = T.C. / kW

R6GP – EXPANDED RATINGS, COOLING MODE

R6GP-090(C/D) (Two Compressor Operation)

R6GP-090(C/D) (One Compressor Operation)

Notes:

1. T.C. = total (Net) cooling in kBtuh; S.C. = Sensible Cooling in kBtuh; KW = Kilowatts
2. Ratings are based on the Factory Standard blower drive combination
3. For 208-230V Units, the ratings shown reflect 230V operation
4. Bolded Values indicate AHRI rating points
5. Energy Efficiency Ratio (EER) = T.C./kW

R6GP – EXPANDED RATINGS, COOLING MODE
R6GP-120(C/D) (Two Compressor Operation)

Notes:

1. T.C. = Total (Net) Cooling Capacity, S.C. = Sensible Cooling Capacity, kW = Kilowatts
2. Expanded Ratings are based on 230 Volt – 60 Hz operation
3. Bolded Values indicate ARI rating points
4. Energy Efficiency Ratio (EER) = T.C. / kW

R6GP-120(C/D) (One compressor operation)

Notes:

1. T.C. = total (Net) cooling in kBtuh; S.C. = Sensible Cooling in kBtuh; kW = Kilowatts
2. Ratings are based on the Factory Standard blower drive combination
3. For 208-230V Units, the ratings shown reflect the 230V operation
4. Bolded Values indicate AHRI rating points
5. Energy Efficiency Ratio (EER) = T.C./kW

BLOWER PERFORMANCE DATA

R6GP-072(C/D)-100C
Factory Standard: 1Hp Down-flow Performance Chart

Indicates a recommended unit operational point
Indicates an allowable setting that is not recommended for unit operation t + yese salertor proper shit le be careful ng operation.

R6GP-072(C/D)-100C
Medium Static: 1.5Hp Down-flow Performance Chart
Indicates Factory Sheave Setting for Pre-configured Units

Values includes losses for: Unit Casing, 2″ Disposable (Pleated) Filters & Dry Evaporator Coil For approximate Cfm at 208V Deduct 0.5%

R6GP-072(C/D)-100C
Factory Standard: 1Ho Horizontal Performance Chart
Indicates Factory Sheave Setting for Pre-configured Units

R6GP-072(C/D)-100C
Medium Static: 1.5Hp Horizontal Performance Chart

Indicates Factory Sheave Setting for Pre-configured Units

Values includes losses for: Unit Casing, 2″ Disposable (Pleated) Filters & Dry Evaporator Coil For approximate Cfm at 208V Deduct 0.5%

R6GP-072(C/D)-166C
Factory Standard: 1Hp Down-flow Performance Chart

R6GP-072(C/D)-166C
Medium Static: 1.5Hp Down-flow Performance Chart

Values includes losses for: Unit Casing, 2″ Disposable (Pleated) Filters & Dry Evaporator Coil For approximate Cfm at 208V Deduct 0.5%

R6GP-072(C/D)-166C
Factory Standard: 1Hp Horizontal Performance Chart

R6GP-072(C/D)-166C
Medium Static: 2Hp Horizontal Performance Chart

Values includes losses for: Unit Casing, 2″ Disposable (Pleated) Filters & Dry Evaporator Coil For approximate Cfm at 208V Deduct 0.5%

R6GP-090(C/D)-200Ca
Factory Standard: 1.5Hp Down-flow Performance Chart

Values includes losses for: Unit Casing, 2′ Disposable (Pleated) Filters & Dry Evaporator Coil For approximate Cfm at 208V Deduct 0.5%

R6GP-090(C/D)-200Ca
Medium Static: 2Hp Down-flow Performance Chart

Values includes losses for: Unit Casing, 2″ Disposable (Pleated) Filters & Dry Evaporator Coil For approximate Cfm at 208V Deduct 0.5%

ACCESSORIES

Note:
Requires separate branch circuit, see table Electrical Data For Power Exhaust Accessory Kits, page 12.

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 (07/2011) 757D-0711
www.mammothlc.com
Trademark Mammoth® used under license. © Nortek Global HVAC, LLC. All Rights Reserved.

References

• Ruskin Rooftop Systems > Home

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