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95C-10690B-2
4/28/00
9:53 PM
T4800A/CT1750A ELECTRIC HEATING THERMOSTAT
SPECIFICATIONS
MODEL:
T4800A/CT1750 — makes heating circuit on temperature
fall.
SPST (see Fig. 2)
Range 5 to 25°C (40°F – 80°F).
Type of Switching:
Patented "CoolSwitch
" triac/relay combination.
™
Wiring Connections:
Six inch stranded copper leadwires suitable for
connecting to aluminum wiring if approved special
service CO/ALR connectors are used.
Electrical Rating:
Non-inductive (resistive) rating.
16 A maximum @ 240 Vac 60 Hz, 2.0A minimum.
(i.e. 500 W to 3800 W).
Performance Certification
16 A @ 240 Vac.
Performance Specifications:
Precision: ± 0.5°C (1°F) differential @ 3800W.
Accuracy*: 0.5°C (1°F) droop @ 1500W.
2°C (4°F) droop @ 3800W
Conforms to NEMA DC3 standard applied
to low voltage thermostats.
Setpoint Adjustment:
Control knob on face of thermostat.
Sensing Element:
Electronic thermistor.
Dimensions:
See Fig. 1 – Nominal dimensions.
LED Indicator;
Lights as heat comes on.
Mounting Means:
Direct mounting on vertical 2 x 4 inch (50 mm x 100 mm)
junction box, or 4 x 4 inch (100 mm x 100mm) box with
mud ring.
Approvals:
CSA Certified LR1322. UL Listed.
* Accuracy of the [T4800] thermostat will vary depending on
baseboard size and length of time the thermostat remains on.
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or your distributor, refer to the
TRADELINE catalog or price sheets for complete ordering number, or specify:
1. Model
2. Electrical load(s)
3. Accessories.
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 Honeywell Home and Building Control Sales Office (check white pages or phone directory).
2. Home and Building Control Customer Satisfaction
Honeywell Inc., 1885 Douglas Drive North.
Minneapolis, MN 55422 (612) 951-1000
3. In Canada — 1-800-405-9835.
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.
Page 2
Fig. 1 – Nominal Dimensions in mm (inches)
INSTALLATION
!
This thermostat is a line voltage (240 Volt) control. Do not
install this thermostat if you are not completely familiar and
competent with house wiring. If improperly handled, there can
be a risk of 240 volt electric shock hazard which may cause
serious injury or death.
Maximum load for thermostat must not exceed 3800W, other-
wise a potential fire hazard exists.
Location:
CT1750 approximately 1.5m ( 5 feet) above the floor on an
inside wall where the thermostat will be subjected to average
room temperature. Do not place above heater.
warm or cold water pipes, warm air ducts, or drafts from
hallways, fireplaces or stairways.
2
SPECIFICATIONS • ORDERING INFORMATION
80
[3-1/8]
120
[4-3/4]
°C
WARNING
Install a vertical switch box for mounting the T4800/
The thermostat should be placed away from concealed
37
34
[1-7/16]
[1-5/16]
83
[3-1/4]
19
[3/4]
23
[7/8]
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