Johnson Controls T-4002 Catalog Page
T-4002
T-4002 Single Temperature
High Volume Output Thermostat
Single Temperature High Volume Output Thermostat
Code No. LIT-1921660
Issued January 15, 2008
Description
The T-4002 Thermostat is a high volume
output, single temperature thermostat.
Refer to T-4000 Series Pneumatic Room
Thermostat Product Bulletin (LIT-7171060P)
Repair Information
If the T-4002 Thermostat fails to operate
within its specifications, replace the unit. For a
replacement thermostat, contact the nearest
Johnson Controls® representative.
for important product information.
Features
• available in Direct Acting (DIR) and
Reverse Acting (REV) models
• includes Fahrenheit dial
• available in vertical or horizontal model
Selection Charts
T-4002 Thermostats
Code Number Description
T-4002-201 Direct Acting, Horizontal Mounting
T-4002-202 Reverse Acting, Horizontal Mounting
T-4002-203 Direct Acting, Vertical Mountin g
T-4002-204 Reverse Acting, Vertical Mounting
1. Order cover and mounting bracket separately.
Commonly Used Accessories for T-4002 (Part 1 of 2)
Code
Number
T-4002-124 Room instrument mounting bracket
T-4002-122 Terminal Connector, with two straight
1
Description
for surface-mounting thermostats and
covers; includes drywall clips,
spacers, and mounting templates
(must be ordered in multiplies of ten)
fittings for plug-in connection to
5/32 in. O.D. polyethylene tubing
(must be ordered in multiplies of ten)
Commonly Used Accessories for T-4002 (Part 2 of 2)
Code
Description
Number
T-4000-2140 Beige Plastic Cover, Horizontal,
T-4000-3140 White Plastic Cover, Horizontal,
T-4000-2141 Beige Plastic Cover, Horizontal,
T-4000-3141 White Plastic Cover, Horizontal,
T-4000-2142 Beige Plastic Cover, Horizontal,
T-4000-3142 White Plastic Cover, Horizontal,
T-4000-2144 Beige Plastic Cover, Vertical (no
T-4000-3144 White Plastic Cover, Vertical (no
thermometer (no set point windows)
thermometer (no set point windows)
1 set point window (no thermometer)
1 set point window (no thermometer)
1 set point window with thermometer
1 set point window with thermometer
thermometer, no set point wind ows)
thermometer, no set point wind ows)
T-4002-123 Terminal Connector, with angle
T-4002-5003 Restricted adjustment pin (100/kit)
T-4002-5012 Adjusting knob kit provides a means
T-4002-5017 External set point dial, Horizontal °F
T-4002-5018 External set point dial, Vertical °F
fittings for surface mounted
thermostats with exposed tubing
(must be ordered in multiplies of ten)
restricts adjustment of set point dial
of external setpoint adjustment
T-4000-2145 Beige Plastic Cover, Vertical,
T-4000-3145 White Plastic Cover, Vertical,
T-4000-2146 Beige Plastic Cover, Vertical,
1 set point window (no thermometer)
1 set point window (no thermometer)
1 set point window with thermometer
Note: For additional accessories, refer to T-4000 Series Accessories.
Technical Specifications
T-4002 Single Temperature High Volume Output Thermostat
T-4000-2138 Beige Plastic Cover,
T-4000-2139 Beige Plastic Cover, Horizontal (no
T-4000-3139 White Plastic Cover, Horizontal (no
The performance specifications are nomina l and conf orm to accep table industr y standar ds. For ap plications a t condition s beyond th ese specification s, consult the local Johnson Controls o ffice.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2011 Johnson Controls, Inc.
Horizontal or Vertical
(no Johnson Controls Logo, no
thermometer, no set point windows)
thermometer, no set point windows)
thermometer, no set point windows)
Sensitivity Adjustable from 0.75 to 4.0 psig/°F (9 to 50 kPa/°C)
Flow Capacity 400 SCIM (107 mL/s)
Air Consumption 20 SCIM (5 mL/s)
Supply
Pressure
Dial Range 55 to 85°F
Air Connections Two (Supply and Output)
Factory set at approximately 2.5 psig/°F (32 kPa/°C)
13 to 25 psig (91 to 175 kPa)
Nominal 20 psig (140 kPa)
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