Bell & Gossett S13641B Technologic 5500 Series Pump Controller - Manual (Page 28)

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4.10 MANUAL BYPASS OPERATION
4.10.1 The following programs support constant speed
operation of pumps: A1, B0, B2, B3, & D4. Refer to
the following steps to override the automatic opera-
tion of the unit to allow manual control of the con-
stant speed pumps.
4.10.2 Press the START/STOP key to stop the system. The
solid green LED will flash and any running pumps will
stop.
4.10.3 Press the AUTO/MANUAL key and the screen will
display the following:
Enter Operation Mode
#
1 = AUTO, 2 = MANUAL
3 = MANUAL BYPASS
Where the # symbol will be replaced by 1, 2, 3 de-
pending on the current mode of operation.
Press the SETUP/3 key followed by ENTER to pro-
ceed to manual bypass operation.
The display will now show the following:
TECHNOLOGIC PUMP
CONTROLLER
DATE TIME
NORMAL MAN. BPS
4.10.4 If the PUMP LED is not flashing green, enable a
pump to run in bypass by pressing the PUMP 1 or
PUMP 2 key. The D4 program will allow operation of
all pumps.
4.10.5 Press the START/STOP key to run the enabled
pump(s) in bypass. The flashing green LED(s) will turn
solid green after the pump(s) starts.
4.10.6 Press the START/STOP key to stop the system. The
running pump(s) will stop.
4.10.7 Press the AUTO/MANUAL key and proceed with
selecting the desired method of operation as
described in Section 4.10.3.
4.11 HAND MANUAL OPERATION
4.11.1 Press the START/STOP key to stop the system. The
solid green LED will flash and any running pumps will
stop.
4.11.2 Press the AUTO/MANUAL key and the screen will
display the following:
Enter Operation Mode
#
1 = AUTO, 2 = MANUAL
3 = MANUAL BYPASS
Where the # symbol will be replaced by 1, 2, 3 de-
pending on the current mode of operation.
Press the Set Point/2 key followed by enter to pro-
ceed to hand manual speed control.
This display will now show the following:
MANUAL SPEED: 0%
NORMAL MANUAL
4.11.3 If the PUMP LED is not flashing green, enable a
pump to run in manual by pressing the PUMP 1 or
PUMP 2 key. The D4 program will allow operation of
all pumps.
4.11.4 Press the START/STOP key to run the enabled
pump(s) in manual. After a brief time delay the
pump(s) starts, and the flashing green LED(s) will turn
solid green.
4.11.5 Press the F2/6 key to increase pump speed to a
maximum of 100% of rated speed. Press the F4/9
key to decrease the speed to 0% where the pump
will run at the minimum speed configured in the AFD,
typically 18 HZ.
4.11.6 Press the START/STOP key to stop the system. The
running pump(s) will stop.
4.11.7 Press the AUTO/MANUAL key and proceed with
selecting the desired method of operation as
described in Section 4.11.2.
4.12 HAND BYPASS OPERATION
4.12.1 The following programs include a Bell & Gossett
bypass panel: A1, B2, B3, & D4. The bypass panel
allows for switch control of the starters during system
startup or failure.
4.12.2 Place the AUTO-OFF-HAND switch in HAND. The
control power to the controller will be switched off,
while the control power in the bypass panel will
remain on.
4.12.3 Place the PUMP X (replace X by desired pump num-
ber), DRIVE - BYPASS switch in the desired position.
4.12.4
To return to Automatic control place the
AUTO-OFF-HAND switch in the AUTO position.
4.12.4 To return to Automatic control place the AUTO-OFF-
HAND switch in the AUTO position.
4.13 SETPOINT MODIFICATION
4.13.1 To modify any of the setpoints for the transmitter
configured in the setup press the SETPOINT/2 key
and press ENTER.
4.13.2 The following will be displayed:
SP1 = # SP4 = #
SP2 = # SP5 = #
SP3 = # SP6 = #
OK ? (Y/N)
The # symbol will be replaced by the current setpoint
for the specific zone. To view zones 7 - 12, press the
NEXT SCREEN key once. To view zones 13 - 16,
press the NEXT SCREEN key twice. To return to
zones 1 - 6 press the PREV. SCREEN key the
required number of times depending on the current
screen on the display.