Honeywell T4039A,B,D-M,S,V Manual

Honeywell T4039A,B,D-M,S,V 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 reduce 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 2- ganged outlet boxes.
  • Adjustable range stops limit temperature adjustment or lock at selected setpoint.
  • Models available with separate power source for fan and thermostat.

Honeywell T4039A,B,D-M,S,V Table of CONTENTS

Specifications .............................................. 2
Ordering Information ..................................... 2
Installation .................................................. 5
Operation .................................................... 8
Checkout .................................................... 8

Honeywell T4039A,B,D-M,S,V Specifications

Models

 

System

Manual

Switchinga

 

Model

Cooling Only

Off-Onb

T4039A

Cooling Only

Hi-Med-Lo

Off-Onb

T4039B

Heating-Coolingc

Off-Ond

T4039D

Heating Coolingc

Off-Hi-Lob

T4039E

Heating-Coolingc

Hi-Med-Lo

Off-Onb

T4039F

Automatic Heating-Cooling

None

T4039G

Automatic Heating-Cooling

Off-Ond

T4039H

Automatic Heating-Cooling

Off-Hi-Lob

T4039J

Automatic Heating-Cooling

Off-Hi-Lod

T4039K

Automatic Heating-Cooling

Hi-Med-Lob

Off-On

T4039L

Autoamtic Heating-Cooling

Hi-Med-Lo

Off-Ond

T4039M

Automatic Heating-Cooling

Hi-Med-Lo

Heat-Off-Coold

T4039S

Automatic Heating-Cooling

Hi-Lo Off-Ond

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 fan circuit. 

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 midscale. 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. 

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Honeywell T4039A,B,D-M,S,V Manual