Lennox LDT Series User Manual

Page 4
OPTIONS / ACCESSORIES
Item Description
Catalog
Number
Unit Model No
156 180 240
ECONOMIZER




23G24
OX OX OX
Economizer Controls
󰀨 Order 2 21Z09 OX OX OX
  Factory O O O
 21Z09 OX OX OX
Global Control  Factory O O O
Building Pressure Control 13J77 X X X
Outdoor Air CFM Control 13J76 X X X
Barometric Relief Dampers With Exhaust Hood
 54W78 OX OX OX
Horizontal Barometric Relief Dampers 16K99 X X X
OUTDOOR AIR
Outdoor Air Dampers With Outdoor Air Hood
Motorized 22J27 OX OX OX
Manual 13U05 X X X
¹ POWER EXHAUST (DOWNFLOW APPLICATIONS ONLY)
 208/230V 22H90 OX OX OX
 22H91 OX OX OX
575V 22V34 OX OX OX
1
and



X = Field Installed

Lennox LDT Series Specifications

General

Brand	Lennox
Model	LDT Series
Category	Air Handlers
Language	English