M&M RWB series User Manual

M&M R
EFRIGERATION
I
NC
. 3-43
Chapter 3: Operational Procedures
Process Temperature Control Group
The Process Temperature Control Group screen is used to setup the Process
Temperature control parameters when the Process Temperature Control option is
enabled.
Process Temperature Control Groups
The following table lists the various parameters displayed on the process temper-
ature setpoints screen.
Process Temperature Definitions
PROCESS TEMPERATURE day mm/dd/yy hh:mm:ss
CONTROL GROUPS
ACTIVE GROUP P1
GROUP P1 GROUP P2 GROUP P3 GROUP P4
-------- -------- -------- --------
CUT-IN XX.X DEGF XX.X DEGF XX.X DEGF XX.X DEGF
CONTROL XX.X DEGF XX.X DEGF XX.X DEGF XX.X DEGF
CUT-OUT XX.X DEGF XX.X DEGF XX.X DEGF XX.X DEGF
LOW ALARM XX.X DEGF XX.X DEGF XX.X DEGF XX.X DEGF
LOW FAILURE XX.X DEGF XX.X DEGF XX.X DEGF XX.X DEGF
TERM DEFINITION RANGE
ACTIVE
GROUP
There are four possible Process Temperature control groups,
each with its own temperature control parameters.
P1-P4
CUT - IN
In the Automatic mode of operation, the compressor starts
when the Process Temperature becomes greater than the
cut-in temperature.
-58 : 122 DEGF
CONTROL
In the Automatic mode of operation the compressor loads or
unloads as needed to maintain the Process Temperature set-
point.
-58 : 122 DEGF
CUT - OUT
In the Automatic mode of operation, the compressor stops
when the Process Temperature falls below the cut-out tem-
perature.
-58 : 122 DEGF
LOW ALARM
An alarm is reported when the Process Temperature falls
below the low alarm setpoint.
-58 : 122 DEGF
LOW FAILURE
An failure is reported and the compressor is shutdown when
the Process Temperature falls below the low failure setpoint.
-58 : 122 DEGF

M&M RWB series Specifications

General

Brand	M&M
Model	RWB series
Category	Controller
Language	English