User Guide
20-to 30-Ton Packaged Rooftop Units
QUICK REFERENCE GUIDE
Unit MCA & MOCP Electrical Data (Standard Indoor Fan Motor)
LGH/LCH
Voltage HP MCA MOCP
242H
208-230/3 7.5 99 110
460/3 7.5 54 60
575/3 7.5 38 45
300H
208-230/3 7.5 135 150
460/3 7.5 64 70
575/3 7.5 49 50
360H
208-230/3 7.5 145 150
460/3 7.5 71 80
575/3 7.5 54 60
20- to 30-Ton Packaged Rooftop Performance Data (Gas or Electric Heat)
Size(Tons)
20 Ton 25 Ton 25 Ton 30 Ton 30 Ton
Effi ciency
High High High High High
Model Number
LCH / LGH
242H4V
LCH / LGH
300H4V
LCH / LGH
300H4M
LCH / LGH
360H4V
LCH / LGH
360H4M
Blower Type
VAV VAV MSAV VAV MSAV
Net Cooling Capacity (Btuh)
238,000 300,000 300,000 350,000 350,000
Cooling Stages
4 4 4 4 4
Nominal Supply Air (cfm)
6800 8100 8100 8600 8600
IEER
15.5 14.3 14.4 13.5 14.0
EER
12.3 (LGH)
12.5 (LCH)
11.6 11.6
10.6 (LGH)
10.8 (LCH)
10.6 (LGH)
10.8 (LCH)
Gas Heat Size,
(kBtuh)( stages)
260 (4)
360 (4)
480 (4)
260 (4)
360 (4)
480 (4)
260 (4)
360 (4)
480 (4)
260 (4)
360 (4)
480 (4)
260 (4)
360 (4)
480 (4)
Electric Heat Size (kW) 30, 45, 60, 90, 120
Blower Motor Size (HP) 5, 7.5, 10 5, 7.5, 10 5, 7.5, 10 5, 7.5, 10 5, 7.5, 10
Net. Weight (lbs.) G/E 3,107 3,107 3,107 3,107 3,107
Net. Weight (lbs.) E/E 2,997 2,997 2,997 2,997 2,997
Weight—Shipping (lbs.) G/E 3,317 3,317 3,317 3,317 3,317
Weight—Shipping (lbs.) E/E 3,207 3,207 3,207 3,207 3,207
Cabinet Size—H x W x L (in.) 65 x 91 x 145
Filter (Quantity/Size ) (12) 20 x 20 x 2
Sound (dBA) 95 95 95 95 95
Option Factory Field
Indoor air quality
MERV 8 Filters • •
MERV 13 Filters • •
MERV 16 Filters •
Replacement Media Filter with Metal Mesh •
IAQ (CO
2
) Sensors •
Electrical
Electrical Voltage •
Disconnect Switch • •
GFI Service Outlets • •
Weatherproof Cover for GFI •
Phase Monitor •
Electric Heat • •
SCR (Silicon Controlled Rectifi er)
Electric Heat Control
4
•
Economizer
Economizer – Downfl ow or Horizontal
with Barometric Relief
• •
Economizer Controls – Sensible •
Economizer Controls – Single Enthalpy • •
Economizer Controls – Differential Enthalpy • •
Economizer Controls – Global Control •
Downfl ow or Horizontal Barometric Relief
Dampers- Hood Furnished
• •
Outdoor air
Manual Outdoor Air Dampers •
Motorized Outdoor Air Dampers • •
Power exhaust
High Static with VFD •
High Static with VFD and Bypass •
Standard Static • •
Humiditrol condenser reheat
Humiditrol
®
Dehumidifi cation System •
Humiditrol Sensor Kit, Remote mounted •
Roof curbs/ceiling diffusers
Roof Curbs •
Ceiling Diffusers •
Factory- and Field-Installed Options
Option Factory Field
Cooling
Drain Pan Overfl ow Switch • •
PVC or Copper Condensate Drain Trap • •
Stainless Steel Condensate Drain Pan • •
Blower
Blower – Supply Air Motors •
Blower – Supply Air Drive Kits •
Heating
Combustion Air Intake Extensions •
Gas Heat Input •
Low Temperature Vestibule Heater •
LPG/Propane Conversion Kits •
Stainless Steel Heat Exchanger •
Vertical Vent Extension •
Cabinet
Combination Coil/Hail Guards •
Corrosion Protection (indoor coil/outdoor coil) •
Controls
CS3000, CS7500, and CS8500
Commercial Thermostats
•
Blower Proving Switch • •
BACnet
®
Module • •
LonTalk
®
Module • •
Novar
®
LSE •
L Connection
®
Building Automation System •
Dirty Filter Switch • •
Fresh Air Tempering • •
Smoke Detector Supply and/or Return • •
Supply Static Limit Switch •
Discharge Air Temperature Sensor •
Visit us at www.lennox.com For the latest technical information, www.lennoxcommercial.com Contact us at 1-800-4-LENNOX
©2023 Lennox Industries, Inc. (14G47) 3/23 PC92164
RETURN
OPENING
SUPPLY
OPENING
61-1/2”
86-1/8”
21”
16”
RL
L
Model No.
Length Return Air
L RL
242 to 360 115-1/8 79-1/2
For 242-360 Models

