MrCool Signature Series Owners & Installation Manual
Residential packaged units
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- Owners & installation manual (59 pages) ,
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The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
Please read this manual carefully before installation and keep it for future reference.
Owner & Installation
Manual
Signature Series
MPC*1M414A-2 & MPH*1M414A-2
Residential Packaged Units
Due to updates and constantly improving performance, the information and instructions within this
manual are subject to change without notice. Please visit www.mrcool.com/documentation to
ensure you have the latest version of this manual.
Version Date: 05-05-21
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Table of Contents
Related Manuals for MrCool Signature Series
Summary of Contents for MrCool Signature Series
- Page 1 The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician. Please read this manual carefully before installation and keep it for future reference. Owner & Installation Manual Signature Series MPC*1M414A-2 & MPH*1M414A-2 Residential Packaged Units Due to updates and constantly improving performance, the information and instructions within this manual are subject to change without notice.
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Page 2: Table Of Contents
Failure to do so may result in equipment damage, personal injury, and improper performance of the unit. Manufactured By MRCOOL LLC 48 Remington Way Hickory, KY 42051 CAUTION The installation of this appliance must conform to the requirements of the National Fire Protection Association; the National Electrical Code, ANSI/NFPA No. -
Page 3: Unit Dimensions
DRAIN 3/4 NPT 13.21 TYPICAL DRAIN LOCATION 3.87 POWER ENTRY 1-1/8 DIA. KNOCKOUT 3.62 13.44 13.44 LOW VOLTAGE ENTRY 7/8 DIA. KNOCKOUT 34.19 29.59 17.07 14.32 ELECTRIC HEAT POWER ENTRY 12.12 6.20 6.20 3.07 5.86 4.06 Page 2 of 19 mrcool.com... - Page 4 DRAIN 3/4 NPT 13.21 TYPICAL DRAIN LOCATION POWER ENTRY 3.87 1-1/8 DIA. KNOCKOUT 18.19 18.19 3.62 LOW VOLTAGE ENTRY 7/8 DIA. KNOCKOUT 4.06 33.59 38.19 17.07 14.32 ELECTRIC HEAT POWER ENTRY 12.14 4.20 6.20 6.20 3.76 mrcool.com Page 3 of 19...
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Page 5: Roof Curb Dimensions
(438) (76) 1-3/8 44-3/8 (35) (1127) (330) 3-3/4 (95) Opening for Power Entry Through Unit Base 3 x 13 in. (76 x 330 mm) NOTE - Roof deck may be omitted within confines of curb. Page 4 of 19 mrcool.com... - Page 6 (581) 18 (457) 24 (610) 52-7/8 (1343) 3-3/4 (95) Opening for Power Entry Through Unit Base 3 x 13 in. (76 x 330 mm) NOTE - Roof deck may be omitted within confines of curb. mrcool.com Page 5 of 19...
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Page 7: Adjustable Roof Curb Dimensions
44-3/8 11-5/8 Insulated Panels 2-1/8 13-7/8 5-3/4 5-1/2 11-5/8 17-1/4 3-1/2 13-1/2 44-3/8 1-3/8 3-5/8 Bottom Curb Assembly Opening for Power Entry thru base NOTE - Roof deck may be omitted within confines of curb. Page 6 of 19 mrcool.com... - Page 8 19-5/8 44-3/8 11-5/8 Insulated Panels 2-1/8 19-3/8 5-3/4 11-5/8 23-1/8 3-1/2 13-1/2 52-7/8 6-7/8 3-1/2 Bottom Curb Assembly Opening for Power Entry thru base NOTE - Roof deck may be omitted within confines of curb. mrcool.com Page 7 of 19...
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Page 9: Installation
The unit must not be installed with any ductwork in the • The heat exchanger, components, duct system, air outdoor air stream. The outdoor fan is not designed to operate against any additional static pressure. Page 8 of 19 mrcool.com... - Page 10 For any future service, installer must provide access to of 42 inches. screws of top and rear panels. Table 1. Minimum Clearances Field-Provided Lifting Spreaders Recommended Shipping Bracket and Mounting Screws Must be Removed for Rooftop or Downflow Application Figure 1. mrcool.com Page 9 of 19...
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Page 11: Electrical Wiring
Operating pressures for units charged with HFC-410A changed are higher than pressures in units charged with HCFC- 22. All service equipment MUST be rated for use with Figure 3. 208/230 Line Voltage Wiring HFC-410A refrigerant. Page 10 of 19 mrcool.com... -
Page 12: Duct System
A closed return duct system shall be used. This shall not Table 2. Unit Air Filter Sizes - inches preclude use of economizers or outdoor fresh air intake. It is recommended that supply and return duct connections mrcool.com Page 11 of 19... -
Page 13: Condensate Drain
Trap must be primed at start-up. Heating - Auxiliary Electric Heat Figure 5. Typical Condensate Drain Connection Upon heating demand for auxiliary electric heat, the thermostat closes circuit R to W, which energizes the Page 12 of 19 mrcool.com... - Page 14 Figure 7. Heater Kit Accessory Installation mrcool.com Page 13 of 19...
- Page 15 High Pressure Switch Fault High Pressure Switch Lockout to protect the compressor from short cycling in case the Table 3. Defrost Control (CMC1) Diagnostic LEDs power to the unit is interrupted or a pressure switch opens. Page 14 of 19 mrcool.com...
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Page 16: Maintenance
Based on outdoor ambient temperature of 82°F, and indoor entering air of 80°F db, 67°F wb. Do not permit the hot condenser air discharge to be Table 5. Heat Pump Cooling System Performance obstructed by overhanging structures or shrubs. Values mrcool.com Page 15 of 19... - Page 17 Table 7. Cooling Performance - AC Models 80 DB / 67 WB Deg. Air Temperature Entering Evaporator Coil, Degree F Return Air Cooling Input Pressure 65° 70° 75° 80° 82° 85° 90° 95° 100° 105° 110° 115° (1000 BTU) Suction Liquid Page 16 of 19 mrcool.com...
- Page 18 Table 8. Heating Performance - HP Models 70 Deg. F Return Air Air Temperature Entering Evaporator Coil, Degree F Cooling Input Pressure 0° 5° 10° 17° 20° 25° 35° 40° 47° 50° 55° 60° (1000 BTU) Suction Liquid mrcool.com Page 17 of 19...
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Page 19: Wiring Diagrams
Wiring Diagrams Figure 8. Connections Diagram - A/C Constant Torque Page 18 of 19 mrcool.com... - Page 20 J1-2 J1-1 J1-3 208V 240V Figure 9. Connections Diagram - Heat Pump Constant Torque mrcool.com Page 19 of 19...
- Page 21 Signature Series MPC*1M414A-2 & MPH*1M414A-2 Residential Package ELECTRICIAN and/or HVAC TECHNICIAN: LICENSE #: INSTALLATION DATE: INSTALLATION LOCATION: SERIAL NUMBER:...