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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. © 2015 Johnson Controls, Inc. www.johnsoncontrols.com
R-76
MS Series Single-Stage Control Modules with Voltage Input
Description
The MS Series Controls are versatile,
microprocessor-based, multifunction,
programmable controls for humidity, pressure,
or other 0 to 10 VDC input. They are designed
for single- and multiple-stage control
applications.
Depending on the model selected, the
MS Series Control can operate in one of
several modes:
• Direct mode
• Reverse mode
• Deadband mode
• Independent Setpoint mode
The MS Series Controls have large,
easy-to-read, red LED displays. These
compact controls are available in panel mount
and DIN rail mount models.
Refer to the MS Series Multi-Stage Electronic
Controls Product Bulletin (LIT-125502) for
important product application information.
Features
• programmable functions allow
adjustment of control settings to meet
application needs
• alarm management functions provide
visible alarm codes on the display and
alarm relay contacts that can be used to
activate a remote alarm or dial-out
modem
• easily readable LED display shows
condition and functions quickly and
clearly
• programming button lockout allows user
to disable programming buttons to deter
accidental or unauthorized changes
• provides accurate control performance
with up to 300 feet of wiring (an
adjustable offset is provided for longer
wiring.)
• self-test procedure checks control
operation by cycling all outputs and
testing all LEDs
Applications
Selection Chart
Accessories
Technical Specifications
Application MS1 Series Single-Stage
Rooftop heating or cooling units 
Boiler or pump control 
Convenience store coolers 
Space temperature control 
Cooling tower pump control 
Product Code Number Description
MS1DR24T-11C MS1 Single-Stage thermostat, DIN Rail Mount Control; A99 sensor included
MS1DR24V-11C MS1 Single-Stage, DIN Rail Mount Control; 0 to10 VDC input; no sensor included
Product Code Number Description
HE-6300-3
HE-6310-3
Humidity Sensor: 0 to 100% RH noncondensing
20 to 140°F (-29 to 60°C)
MS Series Stage Control Modules with Voltage Input
Power Requirements 24 VAC, 50/60 Hz, Class 2 (20 to 30 VAC)
Power Consumption 5 VA at 24 VAC
Accuracy  1.8°F ( 1°C)
MS1 Series DIN Rail Mount,
Single-Stage, Electronic Pressure,
Temperator
Code No. LIT-1900009
Multi-Stage Electronic Temperature Controls
Repair Information
If the MS Series Single-Stage Control Modules
with Voltage Input fails to operate within its
specifications, replace the unit. For a
replacement control, contact the nearest
Johnson
Controls® representative.