Bell & Gossett P86074A Booster Pumps - Manual (Page 4)

CONDUIT BOX
SHAFT SLEEVE PUMP BODY
BODY GASKET
COVER PLATE ASM
IMPELLER ASM
W/THREADED HUB
SEAL ASM
FRONT BEARING
HOUSING/STATOR ASM
SHAFT/ROTOR
FIG. 3
REAR
BEARING
4
SPEED CONTROL POTENTIOMETER IS
ACTIVE WHEN #1 HAND OVERRIDE
IS SELECTED AND CONTROL
INPUTS ARE DISCONNECTED
CLOCKWISE=INCREASE SPEED
COUNTER CLOCKWISE=DECREASE SPEED
CAUTION: DO NOT APPLY EXCESSIVE
TORQUE TO THE SPEED CONTROL POT.
FAILURE TO FOLLOW THESE INSTRUCTIONS
COULD RESULT IN DAMAGE TO THE DRIVE.
L N
{
{ {
ROTARY
SELECTOR SWITCH*
#0 OFF
#1 HAND OVERRIDE
OF SPEED CONTROL
#2 SPEED CONTROLLED
BY 4-20 mA
CONTROL INPUT
#3 SPEED CONTROLLED
BY 0-10V CONTROL
INPUT
RELAY FOR FAULT INDICATION
AT REMOTE LOCATION.
N/O CONTACTS CLOSE
IF A PUMP FAULT IS DETECTED
FAULT RELAY RATING IS 60 VA
AT 2 AMPS MAXIMUM
4-20 mA OR (SWITCHABLE)
0-10 VDC CONTROL INPUT CONNECTIONS MUST BE
DISCONNECTED WHEN THE PUMP IS OPERATED IN HAND MODE
WARNING: FAILURE TO DISCONNECT INPUT CONNECTIONS
WHEN PLACED IN HAND OVERRIDE MAY DAMAGE THE DRIVE.
115V 60Hz
SINGLE
PHASE POWER
CONNECTIONS
DIAGNOSTIC
INDICATOR LIGHT
– CONSTANT ON
INDICATES POWER
IS APPLIED TO THE
PUMP AND THE
PUMP IS OPERATING
PROPERLY.
– FLASHING LIGHT
AT 1 FLASH PER 2
SECONDS INDICATES
THE CURRENT LIMIT
HAS BEEN EXCEEDED
– FLASHING LIGHT
AT 2 FLASHES PER
SECOND INDICATES
THE TEMPERATURE
LIMIT HAS BEEN
EXCEEDED
1
0 2
3
1
0
2
3
CONTROL BOX FEATURES
*NOTE: Pumps are shipped from the factory on
#1 hand overrride with control speed
set at full speed.