Verasys Chilled Water System Controller Quick Start Guide
4
Setting the controller address using the local display
1. To access the menu, press ENT.
2. To navigate to the Controller menu use the up and down
arrows and press ENT.
3. Navigate to the Network section and press ENT.
4. Navigate to the Address section and press ENT.
5. The address defaults to 4. Press ENT again.
The address blinks.
6. To increase or decrease the address value, use the up or down
arrows.
7. To confirm the address value, press ENT.
The address stops blinking and the old address appears.
8. To refresh the screen, press the up or down arrows. The new
address appears.
9. Press ESC until you return to the main screen that shows the
system is operational.
Configuring sensors
To configure the installed sensors, complete the following steps:
1. Navigate to the Details menu.
2. Navigate to the Sensors section.
3. Select the installed sensors using the drop-down menus for each
parameter.
Commissioning the system
To activate the outputs and verify system operation, use the
Commissioning menu. From the Commissioning menu, change
Start Commissioning to Trigger and adjust outputs individually.
Configuration menu options
The following table describes the System Configuration menu on
the Smart Building Hub (SBH).
Technical specifications
No Description Object
name
23 Primary chill water pump 1 status PCHWP1-
S
24 Primary chill water pump 2 status PCHWP2-
S
25 Secondary chill water pump 1 status SCHWP1-
S
26 Secondary chill water pump 2 status SCHWP2-
S
27 Shutdown command EMERG-
STOP
Table 4: System Configuration menu options (Part 1 of
2)
Menu option Description Range
Number of Chillers Sets the number of
chillers Adjustable:
1-2
Primary Pump Type Sets the type of primary
pumps in the system Adjustable:
• Constant Speed
• Variable Speed
Table 3: Chilled Water System Controller wiring (Part 3 of 3)
Constant Primary
Pump Sets the pump
configuration Adjustable:
• Dedicated
• Parallel
Number of Pumps Sets the number of
primary pumps Adjustable:
1-2
Primary Pump
Operation Type Sets the pumps
operation type Adjustable:
• Duty/Standby
• Lead/Lag
Number of
Secondary Pumps Sets the number of
secondary pumps (if
any)
Adjustable:
0-2
Secondary Pump
Operation Type Sets the pump
operation type if
installed
Adjustable:
• Duty/Standby
• Lead/Lag
Bypass Valve
Installed Sets whether a bypass
is installed or not Adjustable:
• No
• Yes
Enable Alarms Sets whether to
configure diagnostics
for pumps or not
Adjustable:
• False
• True
Product code
numbers LC-VAC3000-0 Verasys 32 point 24 V Application
Controller with Display
Supply
voltage 24 VAC, 20 VAC minimum / 30 VAC maximum, 50/
60 Hz, power supply class 2
North America, safety extra-low voltage (SELV)
Europe
Power
consumption 20 VA maximum for LC-VAC3000-0
VArating does not include any power supplied to the
peripheral devices connected to binary outputs
(BOs) or configurable outputs (COs). This can
consume up to 12 VA for each BO or CO for a
possible total consumption of an additional 60 VA
maximum.
Ambient
conditions Operating: -20°C to 70°C (-4°F to 158°F); 10% to
95% RH noncondensing; pollution degree 2
Storage: -40°C to 85°C (-40°F to 185°F); 5% to 95%
RH noncondensing
Addressing BACnet® MS/TP: valid field controller device
addresses 4–127
Device addresses 0–3 and 128–255 are reserved
and not valid field controller addresses
Communica-
tions bus BACnet® MS/TP, through RS-485:
3-wire system bus between the supervisory
controller and field controller
4-wire sensor bus between controller, network
sensors and other SA devices, includes a lead to
source 15 VDC supply power from controller to bus
devices
Processor RX631 Renesas® 32-bit microcontroller
Memory 16 MB flash memory and 8 MB RAM
Table 4: System Configuration menu options (Part 2 of
2)
Menu option Description Range
