Lennox HS26 Series User Manual

Page 17
C−Unit Diagram HS26−018/060−3 & 4−P (Late Models)
Operation Sequence
1− Cooling demand energizes thermostat terminal Y. Voltage from terminal Y passes through low pressure
switch and the timed off control (TOC), which energizes K1 compressor contactor coil (provided 5 minute
delay is satisfied).
2− K1−1 and K1−2 contacts close energizing B1 compressor and B4 outdoor fan.
3− When cooling demand is satisfied, K1−1 and K1−2 contacts open de−energizing compressor and outdoor fan.
Timed off control begins 5 minute off time.

Lennox HS26 Series Specifications

General

Compressor Type	Scroll
Refrigerant	R-410A
Cooling Capacity	1.5 to 5 tons
Series	HS26
Stages	Single-stage
Compressor	Scroll
Warranty	5-Year Limited Warranty on covered components
Sound Level	As low as 76 dB