Johnson Controls T-4506 Catalog Page

T-4506

T-4506 Dual Temperature Thermostat

Dual Temperature Thermostat

Code No. LIT-1921675 Issued January 15, 2008

Description

The T-4506 Thermostat is a high volume output, dual temperature, dual dial thermostat. The T-4506 provides individual day and night, or two set point temperature control.

Refer to T-4000 Series Pneumatic Room Thermostat Product Bulletin (LIT-7171060P) for important product information.

Features

• available in Direct Acting (DIR) and Reverse Acting (REV) models

• includes Fahrenheit dial

• direct acting available in vertical or horizontal model

• reverse acting available in horizontal model

• available with optional manual indexing

Repair Information

If the T-4506 Dual Temperature Thermostat fails to operate within its specifications, replace the unit. For a replacement thermostat, contact the nearest Johnson Controls® representative.

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

Selection Charts

T-4506 Dual Temperature Thermostat

Code

Description

Number

T-4506-201 With Indexing Switch, T-4506-202 Direct Acting, Vertical Mounting T-4506-209 Reverse Acting, Horizontal Mounting T-4506-203 Without Indexing Switch, T-4506-204 Direct Acting, Vertical Mounting T-4506-217 Reverse Acting, Horizontal Mounting

1. Order cover and mounting bracket separately.

Switchover at 17 psig

Commonly Used Accessories for T-4506 (Part 1 of 2)

Code Number

T-4002-124 Room instrument mounting bracket for

Direct Acting, Horizontal Mounting

Description

surface-mounting thermostats and covers; includes drywall clips, spacers, and mounting templates

Commonly Used Accessories for T-4506 (Part 2 of 2)

Code

Description

Number

T-4756-2141 Beige Plastic Cover, Horizontal,

T-4756-1738 Beige Plastic Cover, Horizontal,

T-4000-2144 Beige Plastic Cover, Vertical

T-4000-3144 White Plastic Cover, Vertical

T-4756-2145 Beige Plastic Cover, Vertical,

2 set point windows (no thermometer)

2 set point windows with thermometer

(no thermometer, no set point windows)

2 set point windows (no thermometer)

T-4002-122 Terminal Connector, with two straight

T-4002-123 Terminal Connector, with angle f i ttings

fittings for plug-in connection to 5/32 in. O.D. polyethylene tubing

for surface mounted thermostats with exposed tubing

T-4756-1739 Beige Plastic Cover, Vertical,

2 set point window with thermometer

Note: For additional accessories, refer to T-4000 Series Accessories.

T-4002-5003 Restricted adjustment pin (100/kit)

restricts adjustment of set point dial

Technical Specifications

T-4506 Dual Temperature Thermostat

T-4002-5012 Adjusting knob kit provides a means of

T-4000-2138 Beige Plastic Cover,

T-4000-2139 Beige Plastic Cover, Horizontal

T-4000-3139 White Plastic Cover, Horizontal

T-4000-2140 Beige Plastic Cover, Horizontal,

T-4000-3140 White Plastic Cover, Horizontal,

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.

external setpoint adjustment

Horizontal or Vertical (no thermometer, no set point windows)

(no thermometer, no set point windows)

thermometer (no set point windows)

Sensitivity Adjustable from .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 13 to 25 psig (91 to 175 kPa)

Dial Range 55 to 85°F (Two Dials) Air Connections Two (Supply and Output) Special Feature Optional Manual Indexing Switch

Factory set at approximately 2.5 psig/°F (32 kPa/°C)

Nominal Day 15 psig (105 kPa) Nominal Night 20 psig (140 kPa)

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