Honeywell T4039A Manuale Utente Scaricare il pdf

1 60-2241—8

T4039 Thermostats Control Line Voltage Valves of

a fan coil unit in cooling, manual changeover heat-

ing-cooling, or automatic changeover heating-cool-

ing systems. One or two valves may be controlled

directly by the thermostat. The fan switch (where

applicable) controls air circulation.

T4039A,B,D-M,S,V

Line Voltage Cooling and

Heating-Cooling Thermostats

J. H. • Rev. 10-92 • ©Honeywell Inc. 1992 • Form Number 60-2241—8

■ 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 adjust-

ment or lock at selected setpoint.

■ Models available with separate power source for

fan and thermostat.

■ 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.

CONTENTS

Specifications ................................................. 2

Ordering Information ..................................... 2

Installation ..................................................... 5

Operation ....................................................... 8

Checkout......................................................... 8

1 2 3 4 5 6 7 8

Sommario

Pagina 1 - Heating-Cooling Thermostats

1 60-2241—8T4039 Thermostats Control Line Voltage Valves ofa fan coil unit in cooling, manual changeover heat-ing-cooling, or automatic changeover hea

Pagina 2 - Ordering Information

2T4039A,B,D-M,S,VSPECIFICATIONS • ORDERING INFORMATIONSpecificationsMODELS:ManualSystem SwitchingaModelCooling Only Off-OnbT4039ACooling Only Hi-Med-L

Pagina 3

3 60-2241—8T4039A,B,D-M,S,VSPECIFICATIONSFINISH: Silver bronze. T4039M is available in white.MOUNTING: Models without manual switching mounton standar

Pagina 4 - SPECIFICATIONS

4T4039A,B,D-M,S,VSPECIFICATIONSFig. 3—Mounting T4039.

Pagina 5 - Installation

5 60-2241—8T4039A,B,D-M,S,VINSTALLATIONInstallationWHEN INSTALLING THIS PRODUCT…1. Read these instructions carefully. Failure to followthem could dama

Pagina 6 - INSTALLATION

6T4039A,B,D-M,S,VINSTALLATIONFig. 4—Internal schmeatics and external connections for T4039 Thermostats.M5353OFF BREAKS COOLING AND FAN CIRCUITS.OFF BR

Pagina 7 - (Continued)

7 60-2241—8T4039A,B,D-M,S,VINSTALLATIONFig. 4—Internal schmeatics and external connections for T4039 Thermostats (Continued).M5352OFF BREAKS COOLING A

Pagina 8 - Checkout

8OperationIn heating applications, as the temperature drops, thethermostat heating contacts make to open a valve thatallows hot water to flow through