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-4516
Dual Temperature High Volume Output Thermostat
Description
The T-4516 Thermostat is a high volume
output, dual temperature, dual dial thermostat.
The T-4516 provides individual day and night
control, or weekend setback.
Refer to T-4000 Series Pneumatic Room
Thermostat Product Bulletin (LIT-7171060P)
for important product information.
Repair Information
If the T-4516 Dual Temperature High Volume
Output Thermostat fails to operate within its
specifications, replace the unit. For a
replacement thermostat, contact the nearest
Johnson Controls® representative.
Selection Charts
T-4516 Thermostat
1
1. Order cover and mounting bracket separately.
Code Number Description
T-4516-201 Direct Acting, Horizontal Mounting
T-4516-202 Direct Acting, Vertical Mounting
Commonly Used Accessories for T-4516 (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-4512-100 Terminal Connector, with three straight
fittings for plug-in connection to
5/32 in. O.D. polyethylene tubing
T-4002-5003 Restricted adjustment pin (100/kit)
restricts adjustment of set point dial
T-4002-5012 Adjusting knob kit provides a means of
external setpoint adjustment
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)
Note: For additional accessories, refer to T-4000 Series Accessories.
Technical Specifications
T-4756-1738 Beige Plastic Cover, Horizontal,
2 set point windows with thermometer
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-4516 Dual Temperature High Volume Thermostat
Sensitivity Adjustable from .75 to 4.0 psig/°F (9 to 50 kPa/°C)
Factory set at approximately 2.5 psig/°F (32 kPa/°C)
Flow Capacity 400 SCIM (107 mL/s)
Air Consumption 20 SCIM (5 mL/s)
Supply Pressure 13 to 25 psig (91 to 175 kPa)
Nominal Day 15 psig (105 kPa), Switchline Pressure 0 psig
Nominal Night 20 psig (140 kPa), Switchline Pressure
20 psig
Dial Range 55 to 85°F (Two Dials)
Air Connections Three (Supply, Output and Switchline)
Special Feature Standard Manual Indexing Switch
Commonly Used Accessories for T-4516 (Part 2 of 2)
Code
Number
Description
Code No. LIT-1921680
Issued January 15, 2008
T-4516 Dual Temperature
High Volume Output Thermostat
Features
• available in Direct Acting (DIR) model
• additional output air terminal which can be
used as an on-off switchline pressure
• includes Fahrenheit dial
• available in vertical or horizontal model
• provided with an optional manual indexing
switch that permits you to restore the day
temperature of the individual thermostat
without affecting the other system
thermostats. Indexing switch can be
unlatched manually or will automatically
reset with the day cycle