T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—1
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Table 16. Thermostat and Subbase Cross Reference
(Continued).
(Continued)
Model
Number
Description
Trade Replacement
Remarks
T8621B7018
BDP multi-logo; LOW and HIGH SPEED LEDs;
used on multispeed equipment;
part no. HH07AX012.
T7300D2007/Q7300A2008
Wiring differences
(old=new): L=X1; X4 to X
and RC to RH field-installed
jumper required.
T8621B7026
Honeywell logo; TRADELINE® model; Premier
White® color; direct replacement for T8621B7000
and T8621B7018.
T7300D2007/Q7300A2008
Wiring differences
(old=new): L=X1; X4 to X
and RC to RH field-installed
jumper required.
T8621C
Two-stage heat and one-stage cool conventional thermostat; two transformer capability;
system switch: HEAT-AUTO-COOL-OFF; fan switch: ON-AUTO.
T8621C7008
Honeywell logo; TRADELINE® model.
T7300D2007/Q7300A2040
Wiring differences
(old=new): C=X.
T8621C7016
Honeywell logo; Canadian TRADELINE® model. T7300D2007/Q7300A2040
Wiring differences
(old=new): C=X.
T8621C7032
Trane logo; system switch: HEAT-OFF-COOL;
one transformer; dual fuel switch;
part no. TAYSTAT302.
T7300D2007/Q7300A2040
Wiring differences
(old=new): B=X; RC to RH
field-installed jumper
required.
T8621D
Two-stage heat and two-stage cool conventional thermostat; two transformer capability;
system switch: HEAT-AUTO-COOL-OFF; fan: ON-AUTO.
T8621D7006
Honeywell logo; TRADELINE® model.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X.
T8621D7014
Honeywell logo; Canadian TRADELINE® model.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X.
T8621D7022
Honeywell logo; TRADELINE® model; system
switch: HEAT-OFF-COOL; dual fuel switch; O
and B terminals.
T7300D2007/Q7300A2057 Wiring differences
(old=new): C=X.
T8621D7030
Trane logo; part no. THT-0607; order
no. 13510323-17-7.
T7300D2007/ Q7300A2008
Wiring differences
(old=new): C=X.
T8621D7048
BDP multi-logo.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X.
T8621D7055
Lennox logo; one transformer capability;
part no. 27H2901.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X. RC to RH
field-installed jumper
required.
T8621D7063
Trol-A-Temp® by Honeywell logo; system switch:
HEAT-OFF-COOL; O and B terminals.
None
Wiring differences
(old=new): C=X; see Trol-A-
Temp® repre-sentative for
replacement.
T8621D7071
Trol-A-Temp® by Honeywell logo; no system or
fan switching.
None
See Trol-A-Temp® repre-
sentative for replacement.
T8621D7089
Carrier logo; part no. HH641-103.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X.
T8621D7097
Honeywell logo; TRADELINE® model; remote
sensor capability.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X; purchase
new remote
2-wire sensors separately.
T8621D7105
Friedrich logo; L terminal; extra switch for louver
control; part no. 616-789-01.
None
See OEM for replacement
information.
T8621D7113
Honeywell Logo; Canadian TRADELINE®
Premier White® color model.
T7300D2007/Q7300A2008
Wiring differences
(old=new): C=X.