Honeywell T4039A User Manual
T4039A,B,D-M,S,V
Line Voltage Cooling and
Heating-Cooling Thermostats
T4039 Thermostats Control Line Voltage Valves of
a fan coil unit in cooling, manual changeover heating-cooling, or automatic changeover heating-cooling systems. One or two valves may be controlled
directly by the thermostat. The fan switch (where
applicable) controls air circulation.
■ 1-, 2-, or 3-speed manual fan control available.
■ Positive deadspot separates heating-cooling circuits
in automatic models. Remote changeover switch is
required to separate circuits in manual changeover
heating-cooling models.
■ Scale range is approximately 55° F to 95° F [13° to
35° C] in 10° F [6° C] increments from 75° F [24°
C] midpoint. Scale is marked COOL-WARM.
■ Cooling circuit breaks in FAN-OFF position to re-
duce condensation problems in the fan coil unit.
■ Color-coded leadwires.
■ All models can be mounted on standard vertical
outlet boxes. Models with manual switching can be
mounted on 4 in. square junction boxes or 2ganged outlet boxes.
■ Adjustable range stops limit temperature adjustment or lock at selected setpoint.
■ Models available with separate power source for
fan and thermostat.
CONTENTS
Specifications ................................................. 2
Ordering Information ..................................... 2
Installation ..................................................... 5
Operation ....................................................... 8
Checkout......................................................... 8
J. H. • Rev. 10-92 • ©Honeywell Inc. 1992 • Form Number 60-2241—8
1 60-2241—8
T4039A,B,D-M,S,V
SPECIFICATIONS • ORDERING INFORMATION
Specifications
MODELS:
System Switching
Cooling Only Off-On
Cooling Only Hi-Med-Lo T4039B
Heating-Cooling
Heating Cooling
Heating-Cooling
Automatic Heating-Cooling None T4039G
Automatic Heating-Cooling — T4039H
Automatic Heating-Cooling Off-Hi-Lo
Automatic Heating-Cooling Off-Hi-Lo
Automatic Heating-Cooling Hi-Med-Lo
Autoamtic Heating-Cooling Hi-Med-Lo T4039M
Automatic Heating-Cooling Hi-Med-Lo T4039S
Automatic Heating-Cooling Hi-Lo T4039V
a
See Fig. 4 for arrangements of switches.
b
OFF breaks cooling circuit and fan circuit.
c
Remote changeover switch required.
d
OFF breaks both heating and cooling circuits and
c
c
c
Manual
Off-On
— T4039D
Off-On
Off-Hi-Lo
—
Hi-Med-Lo T4039F
Off-On
Off-On
—
Off-On
Off-On
Heat-Off-Cool
Off-On
a
b
b
d
b
b
d
b
d
b
d
d
d
fan circuit.
Model
T4039A
T4039E
T4039J
T4039K
T4039L
ELECTRICAL RATINGS:
A. Thermostat (valve load).
Normal (A) Inrush (B)
120 Vac 0.32 1.00
240 Vac 0.16 0.50
277 Vac 0.14 0.43
B. Fan Switch
Full Load (A) Locked Rotor (A)
120 Vac 5.5 33.0
240 Vac 2.75 16.5
277 Vac 2.4 14.4
10A Resistive at 125 Vac
5A Resistive at 240 Vac
4.2A Resistive at 277 Vac
TEMPERATURE SETTING RANGE: Approximately
55° F to 95° F [13° C to 35° C]; marked COOLWARM in 10° F [6° C] increments from 75° F [24° C]
midpoint.
DIFFERENTIAL: Approximately 2° F [1° C] at mid-
scale. On automatic heating-cooling models, the
differential from make of one contact to make of
the opposite contact is 7° F [4° C] maximum with a
positive deadspot.
DIMENSIONS: See Figs. 1 and 2.
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 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 Honeywell Home and Building Control Sales Office (check white pages of your phone directly).
2. Home and Building Control Customer Satisfaction
Honeywell Inc., 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386 (612) 951-1000
In Canada—Honeywell Limited/Honeywell Limitée, 740 Ellesmere Road, Scarborough, Ontario M1P 2V9. 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.
2
T4039A,B,D-M,S,V
SPECIFICATIONS
FINISH: Silver bronze. T4039M is available in white.
MOUNTING: Models without manual switching mount
on standard vertical outlet boxes. Models with manual
switching mount on 4-in. square junction boxes or
2-ganged outlet boxes. Manual switching models may
Fig. 1—Mounting dimensions in in. [mm] of
T4039 models with manual switching.
also mount on a standard vertical outlet box if local
codes permit. See Fig. 3.
UNDERWRITERS LABORATORIES, INC. LISTED: File
No. E4436, Vol. 2, dated 3-19-73; Guide No. XAPX.
Fig. 2—Mounting dimensions in in. [mm] of
T4039 models without manual switching.
3 60-2241—8
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