T8501 AND T8511 DELUXE ELECTRONIC THERMOSTATS
68-0162—1
2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1.
Your local Home and Building Control Sales Office (check white pages of your phone directory).
2.
Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances; therefore,
an individual unit may not exactly match the listed
specifications. Also, This product is tested and
calibrated under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed.
Models:
See Table 1.
Electrical Rating:
Input Power: 18 to 30 Vac, 50/60 Hz.
Load Rating: See Table 2.
Temperature:
Setpoint Range: 40
°
F to 99
°
F (4
°
C to 37
°
C) depending on
model and if in heating or cooling.
Display Range:
Controlled: 30
°
F to 110
°
F (1
°
C to 43
°
C).
Outdoor: -30
°
F to 120
°
F (-34
°
C to 49
°
C).
Display Updates:
Controlled: updated every minute.
Outdoor: displayed on demand and updated every
10 minutes.
Differential (auto changeover models):
3
°
F (1.5
°
C) minimum.
Interstage Differential:
1.7
°
F (0.9
°
C) heat pump models.
Minimum Off Time (Cooling and Heat Pumps):
5 minutes
±
0.5.
Table 1. T8501 and T8511 models.
Table 2. Maximum Amps at 18 to 30 Vac.
Relay
Running (A)
Inrush (A)
Heat
.02 to 1.5
3.5 at 200,000 cycles
Cool
.02 to 1.5
7.5 at 100,000 cycles
Fan, Reversing Valve, Emergency Heat
.02 to 0.5
2.5 at 200,000 cycles
Model
System
Changeover
System Selection
Fan
Selection
Comments
T8501D
Heat-Cool
Automatic/
Manual Selectable
Heat-Off-Cool-Auto
On-Auto
System and fan selections are
done by keyboard.
T8511G
Heat pump
Automatic/
Manual Selectable
Em. Heat-Heat-Off-Auto-Cool
On-Auto
System and fan selections are
done by keyboard.