York GY9 Technical Manual page 6

036-21560-001 Rev. A (0204)
MODEL NO.
2ET03700324
2TH13700424
2TB17700424
2ET03701024
2ET03700024
6
FIELD INSTALLED ACCESSORIES - ELECTRICAL
THERMOSTAT- Electronic Non-Programmable.
One-stage Heat/Cool. Manual Changeover, Integral Subbase.
System Switch: Cool-Off-Heat. Fan Switch: Auto-On.
THERMOSTAT- One-stage Heat. Deluxe 24V with Heat only Sub-
base, does not include Fan Switch. NOTE: For One-stage Cool or
One-stage Heat/Cool, must be used with Subbase 2TB17700424.
SUBBASE (24V) - One-stage heat/cool. Manual changeover, integral
subbase. System Switch: Cool-Off-Heat. Fan Switch: Auto-On.
THERMOSTAT- Electronic 7 Day Programmable.
One Heat/One Cool. Auto Changeover, Integral Subbase.
System Switch: Cool-Off-Heat. Fan Switch: Auto-On. Power Stealing
(TS) THERMOSTAT- Electronic 7 Day Programmable.
Two Heat/Two Cool. Auto Changeover, Integral Sub-base.
System Switch: Cool-Off-Heat. Fan Switch: Auto-On.
DESCRIPTION
Unitary Products Group