
RSM STATUS
VCC-X Operator Interface SD
68
RSM-VFD & HP #1-#4 Status Screen
Index
The available
Status Screens
for the RSM-VFD & HP Modules are
listed by sequential screen number. The following is a list of all the
RSM Status Screens in numerical order with a brief listing of the
Status features available on each screen. The A1 & A2 notations
will be B1 & B2 for RSM #2, C1 & C2 for RSM #3, and D1 & D2
for RSM #4.
Screen #1
RSM Compressor A1 & A2
On/Off
&
Current
Position
Screen #2
RSM Coil Temperature, Coil Setpoint,
and
Suction
Pressure
Screen #3
RSM Coil Temperature 1,
Superheat 1, Expansion Valve 1 Position
Screen #4
RSM Coil Temperature 2,
Superheat 2, Expansion Valve 2 Position
Screen #5
RSM Head Pressure Reading, Head Pressure
Setpoint,
and
Condenser
Signal
Screen #6
RSM HP Coil Temperature 3,
Superheat 3, Expansion Valve 3 Position
Screen #7
RSM HP Coil Temperature 4,
Superheat 4, Expansion Valve 4 Position
Screen #8
RSM HP Leaving Water Temperature,
Proof
of
Flow
Screen #9
RSM No Alarms / Active Alarms
Status Screens - General Procedures
From any menu screen,
press
<STATUS>
. The
Unit Selection
Screen,
shown below,
will appear requesting that you enter the unit
ID number.
Enter Unit Address
Then Press Enter
Selected Unit#: XXXX
No Communication
Enter
the correct unit ID number of the Controller that the RSM
Module(s) are connected to and
press
<ENTER>
. Once communica-
tion is established, the No Communication message will go away
and the Press Down message will appear. Then
press
<
>
. You will
then see the
Status Selection Screen(s)
below:
VCC-X Status
RSM-VFD & HP Status
RSM-DIGITAL Status
Select & Press Enter
Use the arrow keys to move the cursor to
select
RSM-VFD Status.
You will then see the
Status Selection Screen(s)
that follow:
RSM #1
RSM #2
RSM #3
Select & Press Enter
RSM #4
Select & Press Enter
Use the arrow keys to move the cursor to select which Module’s
Status Screens
you wish to view. Then
press
<ENTER>
. The
fi
rst
Status Screen
will appear.
Press
<
>
to scroll through the screens.
RSM Status Screen #1 - Compressor 1 & 2 En-
able and Current Position
RSM #1-4 Status
Compressor 1: ON/OFF
Compressor 2: ON/OFF
Comp Position: 0%
Line 2 Compressor 1 Enabled or Disabled
Current status of the
fi
rst Compressor.
Line 3 Compressor 2 Enabled or Disabled
Current status of the second Compressor.
Line 4 Current Position
Current position of the Modulating Compressor.
RSM Status Screen #2 - Coil (Saturation)
Temp & Setpoint & Suction Pressure
RSM #1-4 Status
Coil Temp: 0.0
º
F
Coil Setpt: 0.0
º
F
Suction Pr: 0 PSI
Line 2 Coil (Saturation) Temperature
If a Suction Pressure Transducer has been installed and
con
fi
gured on the unit, the calculated Evaporator Coil
Suction (Saturation) Temperature will appear on this
line. If not, this line will display 0°F.
Line 3 Coil (Saturation) Temperature Setpoint
During DX dehumidi
fi
cation, compressor(s) will be
staged/modulated to maintain this Coil Suction
(Saturation) Temperature Setpoint. If indoor humidity
reset of the Coil Setpoint has been con
fi
gured, this will
be the current calculated setpoint.
Line 4 Suction Pressure
This is the current Suction Pressure.
RSM-VFD & HP Status Screens