Johnson Controls MS4PMUHVT Quick Start Manual

The MS4PMUHVT Multi-Stage Electronic Temperature
Control is intended for multi-stage temperature control
applications. The MS4PMUHVT control is specifically
designed for the control of applications with up to
four stages in the following configurations:

four cooling stages with common setpoint

four heating stages with common setpoint

four stages with deadband (two heating stages
and two cooling stages with common setpoint)

two independent sets of two dependent stages
(two heating stages and two cooling stages with
independent setpoints)

Single Package

Easily Readable Display

Accurate, Interchangeable
Temperature Sensor

Nonvolatile Memory

Heavy-Duty Relays
© 2002 Johnson Controls, Inc.
Part No. 24-8782-5, Rev. C
Code No. LIT-125195
MS4PMUHVT Multi-Stage Electronic
Temperature Control with Relay Pack
Features and Benefits

Figure 1: MS4PMUHVT Multi-Stage Electronic
Temperature Control with Relay Pack
Provides the functionality of multiple control
components at a cost-effective price.
Displays main sensor or evaporator sensor
temperatures; Helps troubleshoot control,
Provides alarm codes.
Provides accurate control performance with
up to 300 feet (91 m) of sensor wiring. (An
offset is provided for longer wiring.)
Retains user-programmed settings in event of
power loss
Allow direct control of equipment; Reduce
installation time.
Product/Technical MS4PMUHVT
Issue Date 09/30/02
www.johnsoncontrols.com
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