Lennox Energence LGH Manual
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Lennox Energence LGH Manual

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C O M M E R C I A L
P R O D U C T S P E C I F I C AT I O N S
MODEL NUMBER IDEN TIFIC ATION
Brand/Family
L = Energence
G = Packaged Gas Heat w/ Electric Cooling
Net Cooling Capacity - 37.1 to 68.6 kW (127 000 to 234 000 Btuh)
Gas Input Heat Capacity - 49.5 to 123 kW (169 000 to 420 000 Btuh)
L G H 240 H 4 B S 1 M
®
Unit Type
Major Design Sequence
H = 1st Generation
Nominal Cooling Capacity
156 = 45.7 kW
180 = 52.8 kW
210 = 61.5 kW
240 = 70.3 kW
300 = 88 kW
Cooling Efficiency
H = High Efficiency
S = Standard Efficiency
P A C K A G E D G A S E L E C T R I C
Energence
45.7 to 88 kW (13 to 25 Ton)
Voltage
M = 380/420V-3 phase-50Hz
Minor Design Sequence
1 = 1st Revision
2 = 2nd Revision
3 = 3rd Revision
Heating Type
L = Low Gas Heat, 1 Stage
S = Standard Gas Heat, 2 Stage
M = Medium Gas Heat, 2 Stage
H = High Gas Heat, 2 Stage
Blower Type
B = Belt Drive
Refrigerant Type
4 = R-410A
LGH
Rooftop Units
®
50 Hz
Bulletin No. 490140
March 2021
Supersedes August 2019

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  • Page 1 P A C K A G E D G A S E L E C T R I C Energence Rooftop Units ® 50 Hz Bulletin No. 490140 March 2021 C O M M E R C I A L Supersedes August 2019 P R O D U C T S P E C I F I C AT I O N S 45.7 to 88 kW (13 to 25 Ton)
  • Page 2 1. Aluminized Steel Inshot Burners 2. Scroll Compressors 3. Thermal Expansion Valves 4. Filter/Driers 5. Condenser Coil Lennox’ Environ™ Coil System 6. Outdoor Coil Fan Motors 7. Construction 8. Hinged Access Panels 9. Blower 10. Air Filters 11. Prodigy Control System ®...

  • Page 3: Features And Benefits

    PER FO R M A N C E/QUALIT Y AND C E MARK O PTION PERFORMANCE/QUALITY • Components bonded for grounding to meet safety standards for servicing required by Underwriters Laboratories (UL) and the International Electrotechnical Commission (IEC) • Cooling performance is rated at test conditions included in Air-Conditioning, Heating and Refrigeration Institute (AHRI) Standard 340/360 while operating at rated voltage and air volumes •...

  • Page 4: Cooling System

    FEATU RES AN D B ENEF ITS HEATING SYSTEM (continued) COOLING SYSTEM • Designed to maximize sensible and latent cooling Options/Accessories performance at design conditions Factory Installed • System can operate from -17°C to 51°C without any Stainless Steel Heat Exchanger additional controls •...
  • Page 5 FEAT UR ES AND BENEF ITS COOLING SYSTEM (continued) Required Selections Condenser Coil - Lennox’ Environ™ Coil System Cooling Capacity • Lightweight, all aluminum brazed • Specify nominal cooling capacity of the unit fin construction Options/Accessories • Constructed of three components Factory Installed •...
  • Page 6 FEATU RES AN D B ENEF ITS CABINET Required Selections Construction Airflow Configuration • Heavy-gauge steel panels • Specify downflow or horizontal • Full perimeter heavy-gauge galvanized steel base rail Options/Accessories • Base rails have rigging holes Factory Installed • Three sides of the base rail have forklift slots Corrosion Protection •...

  • Page 7: Indoor Air Quality

    FEAT UR ES AND BENEF ITS BLOWER ELECTRICAL A wide selection of supply air blower options are available SmartWire™ System to meet a variety of airflow requirements • Keyed and color-coded wiring connectors prevent miswiring Motor • Overload protected, equipped with ball bearings •...
  • Page 8 • Warm Up Mode Delay • LED Indicators • PC Interface connects the Prodigy unit controller to a PC with the Lennox Unit Controller Software • Room Sensor Operation controls temperature NOTE - Prodigy Control System features shown vary with the type of rooftop unit in which the control is installed.
  • Page 9 CO N T R O L SYS T EM O PT IONS / ACC ESSORIES PRODIGY® CONTROL SYSTEM (continued) ECONOMIZER • Economizer operation is set and controlled by the Controls Options Prodigy unit controller ® Factory or Field Installed • Simple plug-in connections from economizer to unit Fresh Air Tempering controller for easy installation •...

  • Page 10: Options & Accessories

    OP TION S / A CC ES S O RIES ECONOMIZER (continued) EXHAUST Factory or Field Installed Factory or Field Installed Single Enthalpy Temperature Control Downflow Barometric Relief Dampers • Outdoor air enthalpy sensor enables Economizer if the • Allow relief of excess air outdoor enthalpy is less than the setpoint of the control •...

  • Page 11: Roof Curbs

    O PT IO N S / A C C ES S ORIES OUTDOOR AIR CEILING DIFFUSERS Factory or Field Installed Ceiling Diffusers (Flush or Step-Down) Outdoor Air Damper • Aluminum grilles • Downflow or Horizontal • Large center grille • Linked mechanical dampers •...
  • Page 12 OP TION A L C ON VENT ION AL TEMP ERAT U R E CONTROL SYST EM S ComfortSense 8500 Commercial 7-Day ® ComfortSense 3000 Commercial 5-2 Day ® Programmable Thermostat Programmable Thermostat MAINT Commercial • Conventional Multi-Stage Thermostat • Intuitive Display •...
  • Page 13 O PT ION AL C O NV ENTIO NA L TEMP ERATU R E CO NTROL SYSTEMS Description Catalog No. ComfortSense 8500 Commercial 7 Day Programmable Thermostat ® 17G75 CS8500 7-Day Thermostat No CO2 Sensing 17G76 With CO2 Sensing 47W37 Sensors/Accessories ¹...

  • Page 14: Operation

    HUMID IT RO L DEHUM IDIF ICATION S YSTEM O PTION ® OVERVIEW OPERATION • Factory installed option designed to control humidity. No Dehumidification Demand • Provides dehumidification on demand using American • The unit will operate conventionally whenever there is a Society of Heating, Refrigeration and Air Conditioning demand for cooling or heating and no dehumidification Engineers (ASHRAE) 90.1 recommended method for...
  • Page 15 HUM ID IT R O L D EHUMID IF ICATION S YS TEM OPT ION ® REFRIGERANT SCHEMATIC (156H, 180H and 210H MODELS ONLY) NOTE: Refrigerant circuits one and two operates when there is a first−stage thermostat demand. MIXED INDOOR/OUTDOOR CONDENSER COIL OUTDOOR...

  • Page 16: Heating System

    OP TION S / A CC ES S O RIES Unit Model No Model Catalog Item Description Number Number 156 180 210 240 300 CE MARK CE Marked Unit Factory COOLING SYSTEM Condensate Drain Trap Polyvinyl Chloride (PVC) - 22H54 C1TRAP20AD2 Copper - C1TRAP10AD2 76W27...
  • Page 17 O PT ION S / A C C ES S ORIES Unit Model No Model Catalog Item Description Number Number 156 180 210 240 300 CONTROLS 21Z10 Blower Proving Switch C1SNSR35FF1 Commercial Prodigy Control System - BACnet Module - C0CTRL60AE1L 59W51 ®...
  • Page 18 OP TION S / A CC ES S O RIES Unit Model No Model Catalog Item Description Number Number 156 180 210 240 300 OUTDOOR AIR Outdoor Air Dampers With Outdoor Air Hood 13U04 Motorized C1DAMP20C-1 Manual C1DAMP10C-2 13U05 ¹ POWER EXHAUST (DOWNFLOW APPLICATIONS ONLY) Standard Static 380/420V - C1PWRE11C-1M 75W93...

  • Page 19: Specifications

    SP EC IF ICAT IO N S General Data Nominal kW (Tons) 46 kW 53 kW 61.5 kW Model Number LGH156H4B LGH180H4B LGH210H4B Efficiency Type High High High Blower Type (Constant Air Volume) (Constant Air Volume) (Constant Air Volume) Cooling Gross Cooling Capacity - kW (Btuh) 38.7 (132 000) 44.8 (153 000)
  • Page 20 S PECIF IC AT IO N S General Data Nominal kW (Tons) 70.3 kW 88 kW Model Number LGH240H4B LGH300S4B Efficiency Type High Standard Blower Type (Constant Air Volume) (Constant Air Volume) Cooling Gross Cooling Capacity - kW (Btuh) 60.1 (205 000) 71.8 (245 000) Performance Net Cooling Capacity - kW (Btuh)

  • Page 21: High Altitude Derate

    SP EC IFIC ATIO NS G AS HEAT Usage Data Model Number LGH156 LGH156 LGH180 LGH180 LGH180 LGH210 LGH210 LGH210 LGH240 LGH240 LGH300 LGH300 Low (L) Standard (S) Medium (M) High (H) Heat Input Type Number of Gas Heat Stages Gas Heating Input - kW (Btuh) First Stage...
  • Page 22 R ATIN G S NOTE − For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section. 45.7 kW - LGH156H4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil 18.3°C 23.9°C 29.4°C...
  • Page 23 R AT ING S NOTE − For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section. 52.8 kW - LGH180H4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil 18.3°C 23.9°C 29.4°C...
  • Page 24 R ATIN G S NOTE − For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section. 61.5 kW - LGH210H4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil 18.3°C 23.9°C 29.4°C...
  • Page 25 R AT ING S NOTE − For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section. 70.3 kW - LGH240H4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil 18.3°C 23.9°C 29.4°C...
  • Page 26 R ATIN G S NOTE − For Temperatures and Capacities not shown in tables, see bulletin − Cooling Unit Rating Table Correction Factor Data in Miscellaneous Engineering Data section. 88 kW - LGH300S4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil 18.3°C 23.9°C 29.4°C...
  • Page 27 HUM ID IT R O L D EHUMID IF ICATION S YS TEM RATING S ® 45.7 kW - LGH156H4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil Entering 18.3°C 23.9°C 29.4°C 35°C Total Total Comp. Sensible To Total Total Comp.
  • Page 28 HU MIDIT R OL D EHUM IDIFIC ATION S YSTEM RATINGS ® 61.5 kW - LGH210H4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil Entering Total 18.3°C 23.9°C 29.4°C 35°C Sensible To Total Sensible To Total Sensible To Total Sensible To Total Total Comp.
  • Page 29 HUM ID IT R O L D EHUMID IF ICATION S YS TEM RATING S ® 88 kW - LGH300S4 (1ST STAGE) Outdoor Air Temperature Entering Outdoor Coil Entering Total 18.3°C 23.9°C 29.4°C 35°C Sensible To Total Sensible To Total Sensible To Total Sensible To Total Total...

  • Page 30: Continued On Next Page

    B LO WER D ATA BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL & AIR FILTERS IN PLACE FOR ALL UNITS ADD: 1 - Wet indoor coil air resistance of selected unit. 2 - Any factory installed options air resistance (gas heat, economizer, etc.) 3 - Any field installed accessories air resistance (gas heat, duct resistance, diffuser, etc.) Then determine from blower table blower motor output and drive required.
  • Page 31 B LO W ER D ATA BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL & AIR FILTERS IN PLACE FOR ALL UNITS ADD: 1 - Wet indoor coil air resistance of selected unit. 2 - Any factory installed options air resistance (electric heat, economizer, etc.) 3 - Any field installed accessories air resistance (electric heat, duct resistance, diffuser, etc.) Then determine from blower table blower motor output and drive required.
  • Page 32 B LO WER D ATA FACTORY INSTALLED BELT DRIVE KIT SPECIFICATIONS Nominal Nominal Maximum Maximum Drive Kit Number Rev/min Range 2.30 446 - 604 2.30 571 - 721 3.45 571 - 721 3.45 708 - 871 5.75 571 - 721 5.75 708 - 871 5.75...
  • Page 33 B LO W ER D ATA POWER EXHAUST FAN PERFORMANCE Return Air System Static Pressure Air Volume Exhausted in. w.g. 0.00 4072 8630 0.05 3874 8210 0.10 3645 7725 0.15 3355 7110 0.20 3053 6470 0.25 2732 5790 0.30 2388 5060 0.35 2029...

  • Page 34: Electrical Data

    ELECT RICA L D ATA LGH156H LGH180H LGH210H LGH240H LGH300S Voltage - 50hz - 3 phase with neutral 380/420V 380/420V 380/420V 380/420V 380/420V Compressor 1 Rated Load Amps 51.5 67.1 Locked Rotor Amps Compressor 2 Rated Load Amps 51.5 67.1 Locked Rotor Amps Compressor 3 10.6...

  • Page 35: O Ut Do O R So Und Data

    UN IT C LEA RA NC ES Unit With Economizer OUTDOOR AIR HOOD Note: 210-240-300 sizes shown Unit Clearance Clearance Service Clearance 1524 1676 Clearance to Combustibles Unobstructed Minimum Operation Clearance 1143 1041 NOTE - Entire perimeter of unit base requires support when elevated above the mounting surface. Service Clearance - Required for removal of serviceable parts.

  • Page 36: Weig Ht Data

    WEIG HT DATA Shipping Shipping Outdoor Outdoor Model Number Coil Coil lbs. lbs. lbs. lbs. 156 Base Unit Environ™ 1935 2135 Fin/Tube 2000 2200 156 Max. Unit Environ™ 1000 2205 1091 2405 Fin/Tube 1030 2270 1120 2470 180 Base Unit Environ™...

  • Page 37: Top View

    D IM ENS IO N S LG H156 CORNER WEIGHTS CENTER OF GRAVITY Model No. lbs. lbs. lbs. lbs. LGH156 Base Unit (Environ™ Coil) 1200 47-1/4 1003 39-1/2 LGH156 Max. Unit (Environ™ Coil) 1187 46-3/4 1086 42-3/4 1245 1010 39-3/4 LGH156 Base Unit (Fin/Tube Coil) 1226 48-1/4 1086 42-3/4 LGH156 Max.
  • Page 38 DIM EN SIO N S LGH180 CORNER WEIGHTS CENTER OF GRAVITY Model No. lbs. lbs. lbs. lbs. LGH180 Base Unit (Environ™ Coil) 1289 50-3/4 39-1/4 LGH180 Max. Unit (Environ™ Coil) 1264 49-3/4 1067 LGH180 Base Unit (Fin/Tube) 1353 53-/4 1003 39-1/2 LGH180 Max.
  • Page 39 D IM ENS IO N S LG H210, LGH 2 40, LGH300 CORNER WEIGHTS CENTER OF GRAVITY Model No. lbs. lbs. lbs. lbs. LGH210 Base Unit (Environ™ Coil) 1340 52-3/4 39-1/4 LGH210 Max. Unit (Environ™ Coil) 1308 51-1/2 1067 1391 54-3/4 1003 39-1/2...
  • Page 40 DIM EN SIO N S ACC ESSO R IES OUTDOOR AIR HOOD DETAIL (16) OUTDOOR AIR HOOD (Furnished with Economizer or Outdoor Air Damper) EXHAUST AIR HOOD (Furnished with Optional Downflow Barometric Relief Dampers, Field Installed) OPTIONAL HORIZONTAL BAROMETRIC RELIEF DAMPERS WITH HOOD Field installed in horizontal return air duct adjacent to unit) 803 (31−5/8) 749 (29−1/2)
  • Page 41 D IM ENS IO N S AC CESSO RIES HYBRID ROOF CURBS - DOUBLE DUCT OPENING (8-1/4) (16) 2188 (86-1/8) (17) 1562 (61-1/2) 2591 2099 (102) (82-5/8) (21) RETURN OPENING SUPPLY OPENING 1562 (61-1/2) 203 (8) 356 (14) 457 (18) 610 (24) 2070 (81-1/2)
  • Page 42 DIM EN SIO N S ACC ESSO R IES ADJUSTABLE PITCH CURB - DOUBLE DUCT OPENING (1-3/4) (16) (8-1/4) 2594 2188 (102-1/8) (86-1/8) (17) 1562 2502 (61-1/2) (21) (98-1/2) 2099 RETURN (82-5/8) OPENING (8-1/4) SUPPLY OPENING (14) 1562 (61-1/2) FACTORY INSTALLED PERIMETER WOOD NAILER STRIP BOTTOM CURB...
  • Page 43 D IM ENS IO N S AC CESSO RIES ROOF CURBS WITH SUPPLY & RETURN AIR TRANSITIONS FOR CEILING DIFFUSERS 1759 (69-1/4) RETURN TRANSITION SUPPORT ANGLE RETURN AIR TRANSITION DETAIL (Furnished with OPENING Transitions) (26-1/2) 1372 (54) (4-1/2) 1759 (69-1/4) 203 (8) SUPPLY AIR OPENINGS...
  • Page 44 DIM EN SIO N S ACC ESSO R IES HORIZONTAL ROOF CURBS − Requires Optional Horizontal Return Air Panel Kit 46 (1-13/16) 2594 (102-1/8) 46 (1-13/16) Frame 2502 (98-1/2) 46 (1-13/16) Opening NOTE 660 mm (26 in.) and 762 mm (30 in.) height Curbs are designed for horizontal discharge when unit is mounted on a slab.
  • Page 45 D IM ENS IO N S AC CESSO RIES COMBINATION CEILING SUPPLY AND RETURN DIFFUSERS 51 (2) 51 (2) Model Number RTD11-185S RTD11-275S Model Number FD11-185S FD11-275S 1210 1514 1210 1514 47-5/8 59-5/8 47-5/8 59-5/8 1210 1514 1210 1514 47-5/8 59-5/8 47-5/8 59-5/8...
  • Page 48 Contact us at 1-800-4-LENNOX NOTE - Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

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