Lennox LHT Series Service Manual page 4

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OP TIONS / A C C ESSORIES
Item Description
ELECTRIC HEAT
15 kW
30 kW
45 kW
60 kW
90 kW
ECONOMIZER
High Performance Economizer (Approved for California Title 24 Building Standards / AMCA Class 1A Certified)
High Performance Economizer
Downflow or Horizontal - Includes Outdoor Air Hood.
Order Downflow or Horizontal Barometric Relief Dampers
separately.
Economizer Controls
Differential Enthalpy (Not for Title 24)
Sensible Control
Single Enthalpy (Not for Title 24)
Global Control
Building Pressure Control
Outdoor Air CFM Control
Barometric Relief Dampers With Exhaust Hood
Downflow Barometric Relief Dampers
Horizontal Barometric Relief Dampers
OUTDOOR AIR
Outdoor Air Dampers With Outdoor Air Hood
Motorized
Manual
NOTE - Catalog numbers shown are for ordering field installed accessories.
OX = Configure To Order (Factory Installed) or Field Installed.
O = Configure To Order (Factory Installed).
X = Field Installed.
208/230V-3ph
460V-3ph
575V-3ph
208/230V-3ph
460V-3ph
575V-3ph
208/230V-3ph
460V-3ph
575V-3ph
208/230V-3ph
460V-3ph
575V-3ph
208/230V-3ph
460V-3ph
575V-3ph
E1ECON17C-2
Order 2
Sensor is Furnished
Sensor Field Provided
Page 4
Unit Model No
Catalog
Number
156
180
22H66
OX
OX
22H67
OX
OX
22V35
OX
OX
22H70
OX
OX
22H71
OX
OX
22V37
OX
OX
22H74
OX
OX
22H75
OX
OX
22V39
OX
OX
22H78
OX
OX
22H79
OX
OX
22V41
OX
OX
22H80
22H81
22V42
22J18
OX
OX
21Z09
OX
OX
Factory
O
O
21Z09
OX
OX
Factory
O
O
13J77
X
X
13J76
X
X
54W78
OX
OX
16K99
X
X
22J27
OX
OX
13U05
X
X
240
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
OX
O
OX
O
X
X
OX
X
OX
X

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