Product Overview

The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2011 Johnson Controls, Inc.
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T-4054m
Energy Manager Heating-Cooling High Volume Output Thermostat
Description
The T-4054 Heating-Cooling, Energy
Manager Thermostat is a high volume output,
with an adjustable deadband of 0 to 30°F (0 to
16°C) between heating and cooling set points.
Refer to T-4000 Series Pneumatic Room
Thermostat Product Bulletin (LIT-7171060P)
for important product information.
Selection Charts
T-4054 Thermostat
1
1. Order cover and mounting bracket separately.
Code Number Description
T-4054-1 Direct Acting
T-4054-2 Reverse Acting
Commonly Used Accessories for T-4054 (Part 1 of 2)
Code
Number
Description
T-4002-124 Room instrument mounting bracket for
surface-mounting thermostats and
covers; includes drywall clips, spacers,
and mounting templates
T-4002-122 Terminal Connector, with two straight
fittings for plug-in connection to
5/32 in. O.D. polyethylene tubing
T-4002-123 Terminal Connector, with angle fittings
for surface mounted thermostats with
exposed tubing
T-4002-5003 Restricted adjustment pin (100/kit)
restricts adjustment of set point dial
T-4000-2138 Beige Plastic Cover,
Horizontal or Vertical
(no thermometer, no set point windows)
T-4000-2139 Beige Plastic Cover, Horizontal
(no thermometer, no set point windows)
T-4000-3139 White Plastic Cover, Horizontal
(no thermometer, no set point windows)
T-4000-2140 Beige Plastic Cover, Horizontal,
thermometer (no set point windows)
T-4000-3140 White Plastic Cover, Horizontal,
thermometer (no set point windows)
T-4756-2141 Beige Plastic Cover, Horizontal,
2 set point windows (no thermometer)
T-4756-1738 Beige Plastic Cover, Horizontal,
2 set point windows with thermometer
Note: For additional accessories, refer to T-4000 Series Accessories.
Technical Specifications
T-4000-2144 Beige Plastic Cover, Vertical
(no thermometer, no set point windows)
T-4000-3144 White Plastic Cover, Vertical
(no thermometer, no set point windows)
T-4756-2145 Beige Plastic Cover, Vertical,
2 set point windows (no thermometer)
T-4756-1739 Beige Plastic Cover, Vertical,
2 set point window with thermometer
T-4054 Heating-Cooling, Energy Manager Thermostat
Sensitivity Adjustable from 1 to 3 psig/°F (12 to 38 kPa/°C)
Factory set at approximately 2.5 psig/°F (32 kPa/°C)
Flow Capacity 400 SCIM (107 mL/s)
Air Consumption 38 SCIM (10 mL/s)
Supply Pressure 13 to 25 psig (91 to 175 kPa)
Nominal 20 psig (140 kPa)
Dial Range 55 to 85°F (Two Dials)
Air Connections Two (Supply and Output)
Deadband Adjustable Deadband between 5 and 12 psig
(35 to 84 kPa)
Commonly Used Accessories for T-4054 (Part 2 of 2)
Code
Number
Description
Code No. LIT-1921670
Issued January 15, 2008
T-4054 Heating-Cooling,
Energy Manager Thermostat
Features
• available in Direct Acting (DIR) and
Reverse Acting (REV) models
• includes Fahrenheit dial
• mounts in vertical or horizontal position
Repair Information
If the T-4054 Heating-Cooling, Energy
Manager Thermostat fails to operate within its
specifications, replace the unit. For a
replacement thermostat, contact the nearest
Johnson Controls® representative.