Bell & Gossett S14334B Technologic 5500 Series Variable Primary Pump and Valve Controller User Manual

Page 25

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4.4.7

Disp Test

From the Test Selection Menu, shown in section 4.4,

press YES/7 and ENTER to get to the Disp Test Screen
shown below.

Press Clear to Exit

>>> 0 1 2 3 4 5 6 7 8 9...>>>
>>> 0 1 2 3 4 5 6 7 8 9...>>>
>>> 0 1 2 3 4 5 6 7 8 9...>>>

The display will scroll ASCII characters from right to

left. All four lines will be tested at the same time. To
exit the test, press the CLEAR key and return to the
Test Selection menu shown in section 4.4.

4.4.8

Comm Test

From the Test Selection Menu, shown in section 4.4,

press F3/INFO/8 and ENTER to get to the Comm
Test Screen shown below. The display will show:

Test Communication

B & G Read #

B & G Write #

If the controller is communicating properly with the

building automation system, the numbers will con-
tinue increasing in value. For Modbus protocol, the
read and write numbers will be equal. For BACnet
and Johnson N2 protocols, the numbers will not be
equal. If the numbers are not increasing in value, the
controller is not communicating properly. If it is not
communicating, check the wiring at the terminal
blocks and the RS communication card mounted on
the controller. Press CLEAR to exit this test.

4.5

Default Setup

From the Setup Selection Menu, shown in section 4,

press F1/LOG/5 and ENTER to get to the Default
screen shown below.

*** WARNING ***

All Setup Data Will

Be Overwritten.

Proceed: ? (Y/N)

Prior to reverting to the default values, it is strongly

recommended that all factory/field variables be
recorded for future reference. Use the 'Field Value'
location in the tables to record your current data.
Also record your sensor, pump, and chiller setup
information on the wiring diagram that was included
with the unit.

Press NO/0 to return to the Setup Selection Menu,
shown in section 4, without loading the default
values. Press YES/7 to load all of the pre-defined
default variables including: sensor, pump, and chiller
information. The default values are defined in the
tables. Once the default values are loaded, the con-
troller will return to the Setup Selection Menu shown
in section 4.

4.6

Chiller Setup

From the Setup Selection Menu, shown in section 4,

press F2/6 and ENTER to get to the Chiller Setup
Menu shown below.

Selection: # Exit = 0

1 = Enbl/Disbl Chiller
2 = Chiller's Run Tmr
3 = Isolation Valve

Press the appropriate numeric key and ENTER.

4.6.1

Enbl/Disbl Chiller

From the Chiller Setup Menu, shown in section 4.6,

press PROCESS VARIABLE/1 and ENTER to get to
the Enbl/Disbl Chiller screen shown below.

# Chiller = #

C1:*

C2:*

C3:*

C4:*

C5:*

C6:*

OK ? (Y/N)

*The chiller status will be displayed for each defined

chiller. The possible states are shown in Table 28.

State

Description

N/A

Chiller not available as defined by setup

Rdy

Chiller available, not running

On

Chiller is running

Off

Chiller disabled, will not start

Table 28: Chiller Status

Press YES/7 and ENTER to accept chiller configura

-

tion and return to the Chiller Setup Menu shown in
section 4.6. Press NO/0 and ENTER to set up a
chiller. If NO/0 was selected, then the screen will
show:

Edit Chiller ? (Y/N)

Press YES/7 to Edit a Chiller. Press NO/0 to return to

the previous screen. If YES was selected, the screen
will show:

Total Number

Chillers = #

Press the numeric key for the total number of chillers.

Press ENTER to continue. The display will show:

Edit Chiller # #

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