T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—225
CROSS REFERENCE
All T7300/Q7300 Series 2000 models are different from the existing T7300/Q7300 T8611 and T8621 devices as summarized in
Table 15.
Fig. 15. Differences from existing T7300/Q7300 to new T7300/Q7300 Series 2000 devices.
Refer to Table 16 for thermostat and subbase cross referencing information.
Table 16. Thermostat and Subbase Cross Reference.
Feature/Function Present T7300/Q7300, T8611, T8621 Families T7300/Q7300 Series 2000 Family
System switching Mechanical switch on Q7300 subbase. Keyboard entry on T7300 thermostat.
Fan switching Mechanical switch on Q7300 subbase. Keyboard entry on T7300 thermostat.
Installer configuration Field settings made via DIP switches on the back of
the thermostat and subbase.
Field settings made through the T7300
thermostat keyboard.
Device color Beige or Premier White® color. Taupe or Premier White® color.
Model
Number Description Trade Replacement Remarks
Q7300A Multistage conventional subbase; system switch: none; fan switch: none.
Q7300A1000 One-stage heat and one-stage cool. T7300F2002/Q7300A2008
Q7300A1018 Two-stage heat and two-stage cool. T7300F2002/Q7300A2016
Q7300A1034 One-stage heat and one-stage cool; Trane
part no. BAS-0444.
T7300F2002/Q7300A2008
Q7300A1042 Two-stage heat and two-stage cool; Trane
part no. BAS-0445.
T7300F2002/Q7300A2016
Q7300A1059 Two-stage heat and two-stage cool; Micrometl
part no. 901-3.
T7300F2002/Q7300A2016
Q7300A1067 Two-stage heat and two-stage cool; Carrier
part no. HH93AX005.
T7300F2002/ Q7300A2016 Wiring differences
(old=new): C=X, A1=A2,
A2=A1.
Q7300A1075 One-stage heat and one-stage cool; gray color. T7300F2002/Q7300A2008
Q7300A1083 Two-stage heat and two-stage cool; gray color. T7300F2002/Q7300A2016
Q7300B Multistage conventional subbase; system switch: AUTO-COOL-OFF-HEAT; fan switch: AUTO-ON.
Q7300B1008 Two-stage heat and two-stage cool. T7300F2010/Q7300A2016
Q7300B1016 Two-stage heat and two-stage cool; Lennox
part no. 81G6001.
T7300F2010/Q7300A2016
Q7300B1024 Two-stage heat and two-stage cool; York
part no. 025-27507.
T7300F2010/Q7300A2016 Wiring differences
(old=new): B=X.
Q7300B1032 Two-stage heat and two-stage cool; Trane
part no. BAS-0446.
T7300F2010/Q7300A2016
Q7300B1040 Two-stage heat and two-stage cool; Carrier
part no. HH93AX004.
T7300F2010/Q7300A2016 Wiring differences
(old=new): C=X, A1=A2,
A2=A1.
Q7300B1057 Two-stage heat and two-stage cool; Snyder
General part no. 1520510.
T7300F2010/Q7300A2016
Q7300B1065 Two-stage heat and two-stage cool; Snyder
General part no. 490249B-04.
T7300F2010/Q7300A2016
Q7300B1073 Two-stage heat and two-stage cool; Honeywell
TRADELINE® model.
T7300F2010/Q7300A2016 Wiring differences
(old=new): B=X.
Q7300B1081 Two-stage heat and two-stage cool; gray color. T7300F2010/Q7300A2016
(continued)
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