T874 MULTISTAGE THERMOSTATS AND Q674 SUBBASES
60-2485—82
ORDERING INFORMATION
When purchasin
replacement and modernization products from
our TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalo
or price sheets for complete orderin
number.
If
ou have additional
uestions, need further information, or would like to comment on our products or services, please write or
phone:
1.
Your local Home and Buildin
Control Sales Office
check white pa
es of
our phone director
.
2.
Home and Buildin
Control Customer Relations
Hone
well, 1885 Dou
las Drive North
Minneapolis, Minnesota 55422-4386
800
328-5111
In Canada—Hone
well Limited/Hone
well Limitée, 35 D
namic Drive, Scarborou
h, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturin
in Australia, Canada, Finland, France,
German
, Japan, Mexico, Netherlands, Spain, Taiwan, United Kin
dom, U.S.A.
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
this unit may not exactly match the listed specifica-
tions. This product is tested and calibrated under
closely controlled conditions, and some minor differ-
ences in performance can be expected if those con-
ditions are changed.
Super Tradeline
®
/Tradeline
®
Models
SUPER TRADELINE controls offer features not available on
TRADELINE or standard models, and are desi
ned to replace
a wide ran
e of Hone
well and competitive controls.
TRADELINE models are selected and packa
ed to provide
ease of stockin
, ease of handlin
, and maximum
replacement value. Specifications of SUPER TRADELINE
and TRADELINE controls are the same as those of standard
models except as noted below.
Super Tradeline Models
T874 THERMOSTAT
T874D Thermostat. Provides two sta
es of heatin
and two
sta
es of coolin
. Use with Q674A-F Subbases.
Y594D
T874D/Q674E/TG504A
Thermostat/Subbase/ke
lock cover packa
e. Provides two sta
es of heatin
and
two sta
es of coolin
. Includes a ke
lock cover for set-
point protection.
Y594G
T874G/Q674F
Thermostat/Subbase packa
e for
heat pump. Provides two sta
es of heatin
and one sta
e
of coolin
. Automatic chan
eover in heat or cool mode.
Available in bei
e or Premier White® color.
Y594R
T874R/Q674L
Thermostat/Subbase packa
e for
heat pump. Provides two sta
es of heatin
and one sta
e
of coolin
. Manual chan
eover in heat or cool mode. Avail-
able in bei
e or Premier White® color.
SUPER TRADELINE FEATURES:
• SUPER TRADELINE packa
e with cross reference label
and special instruction sheet.
• SUPER TRADELINE model supplied with lockin
lever and
lockin
cover accessories.
• Includes ad
ustable temperature lockin
stops.
• T874D replaces T874A-F TRADELINE or standard models.
Tradeline Models
T874 THERMOSTAT
• T874 TRADELINE models provide sta
ed heat and/or cool
operation. See Table 1.
Table 1. Heating and Cooling Stages.
• T874A-F are standard models.
TRADELINE FEATURES:
• TRADELINE packa
e with cross reference label and
special instruction sheet.
• T874A,C model available with factor
stops for DoD
applications.
• T874A,C model available with ad
ustable temperature
lockin
stops.
Q674 SUBBASE
Q674 switchin
subbases provide s
stem and fan switchin
.
See Table 2.
Table 2. System and Fan Switching.
TRADELINE FEATURE:
• TRADELINE packa
e with cross reference label and
special instruction sheet.
• Q674A-E,G are standard
non-heat pump
models.
Q674F,J,L are heat pump models.
Models ABCDEF
Heatin
Sta
es 1122— 2
Coolin
Sta
es 12122—
Q674 System Fan
A Heat-Auto-Cool Auto-On
B Heat-Off-Cool Auto-On
C Off-Auto Auto-On
D None None
E Off-Heat-Auto-Cool Auto-On
F Em. Ht.-Off-Heat-Auto-Cool Auto-On
G Off-Auto None
J Em. Ht.-Auto-Off Auto-On
L Em. Ht.-Heat-Off-Cool Auto-On
