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4

2.0 

INSTALLATION INSTRUCTIONS

Locate  the  Glycol  Make-up  unit  for  ease  of  inspec-
tion, maintenance, and service. For Glycol application
secondary containment is required to catch any leaks
or  spills  that  could  go  down  the  drain  or  out  a  door
and  cause  a  risk  to  the  environment.  Refer  to  local
codes for clarification.  

FAILURE  TO  FOLLOW  THESE  INSTRUCTIONS
COULD RESULT IN SERIOUS PERSONAL INJURY,
DEATH, AND/OR PROPERTY DAMAGE.

Place the unit preferably on a concrete floor or base.
Level the steel base, on which the pump is mounted,
in both directions by placing steel shims between the
base and the anchor bolts.  

A  well-leveled  and  secured  unit  will  result  in  quiet
operation as well as longevity of service.  

See drawing 1FC008 for general piping requirements.
When  connecting  the  GMU  discharge  line  to  the
make-up line of the Closed-loop system the 3/4" NPT
fitting  needs  to  be  tightened.  When  doing  this,  be
sure  to  use  a  back-up  wrench  on  the  fitting.  Do  not
over  tighten  the  fitting.  Inspect  all  visible  fittings  for
leaks.  Tighten  the  fittings  if  any  leaks  are  found.  Be
sure  to  use  two  wrenches  one  to  tighten  the  fitting
and  the  other  to  back-up  the  fitting.  Using  just  one
wrench may damage the fitting. Never tighten a fitting
while there is hydraulic pressure in the fitting. 

Support  the  discharge  line  independently  by  use  of
pipe  hangers  or  anchors.  Do  not  attempt  to  spring
the  discharge  line  into  position.  It  is  recommended
that there is a three (3) valve by-pass in the make-up
line. See drawing 1FC008 for location of valves.

IMPORTANT: Do  not  install  and  operate  ITT  pumps
in  closed  systems  unless  the  system  is  constructed
with  properly  sized  safety  devices  and  control
devices.  Such  devices  include  the  use  of  properly
sized and located pressure relief valves, compression
tanks,  pressure  controls,  temperature  controls  and
flow controls as appropriate. If the package includes

a  pressure  relief  valve,  make  sure  the  discharge  of
the valve is directed to the floor drain before making
the unit operational.

IMPORTANT: If  vibration  eliminators  are  used,  note
that unless the piping to which the vibration elimina-
tors  are  connected  to  are  properly  anchored  to  the
floor, the benefits may not be fully realized. 

The power supply required for the unit is indicated on
the  nameplate  located  inside  the  control  panel.  A
dedicated  ground  wire  must  be  connected  to  the
unit.

Single  phase  motors  have  internal  overload  protec-
tion.  The disconnecting means and short circuit pro-
tection  are  to  be  supplied  and  mounted  by  others.
Single  phase  panel  remains  fully  energized  at  all
times,  unless  incoming  power  is  disconnected.  Do
not use the "POWER ON" light as a method to deter-
mine when the control panel is de-energized. 

Section 2

DANGER:  Do  not  lift  entire  unit  by  any  components
lift eyebolts. Lift the unit with slings placed under the

unit  base  rails.  FAILURE  TO  FOLLOW  THESE  INSTRUC-
TIONS  COULD  RESULT  IN  SERIOUS  PERSONAL
INJURY, DEATH, AND/OR PROPERTY DAMAGE.

DANGER: Top of unit is heavy when it is full of fluids 
and may tip if not lifted properly. FAILURE TO FOL-

LOW  THESE  INSTRUCTIONS  COULD  RESULT  IN  SERI-
OUS  PERSONAL  INJURY,  DEATH,  AND/OR  PROPERTY
DAMAGE.

DANGER:  Do  not  step  on  the  top  of  the  unit.  It  is
not designed to support the weight of a person. Any

fall can be serious, and may result in painful or incapacitat-
ing injury. FAILURE TO FOLLOW THESE INSTRUCTIONS
COULD  RESULT  IN  SERIOUS  PERSONAL  INJURY,
DEATH, AND/OR PROPERTY DAMAGE.

WARNING:  The  heating  of  water  and  other  fluids 
causes  volumetric  expansion.  The  associated  forces

may  cause  failure  of  system  components  and  release  of
high temperature fluids. This will be prevented by installing
properly sized and located pressure relief valves and com-
pression tanks. FAILURE TO FOLLOW THESE INSTRUC-
TIONS  COULD  RESULT  IN  SERIOUS  PERSONAL
INJURY, DEATH, AND/OR PROPERTY DAMAGE.

WARNING:  Electrical  shock  hazard.  Inspect  all 
electrical  connections  prior  to  powering  the  unit.

Wiring connections must be made by a qualified electrician
in  accordance  with  all  applicable  codes,  ordinances,  and
good  practice.  FAILURE  TO  FOLLOW  THESE  INSTRUC-
TIONS  COULD  RESULT  IN  SERIOUS  PERSONAL
INJURY, DEATH, AND/OR PROPERTY DAMAGE.

WARNING:  Electrical  shock  hazard.  Turn  off  and
lockout  all  power  sources  prior  to  servicing  panel.

FAILURE  TO  FOLLOW  THESE  INSTRUCTIONS  COULD
RESULT  IN  SERIOUS  PERSONAL  INJURY,  DEATH,
AND/OR PROPERTY DAMAGE.

CAUTION: Seal damage may occur. Do not run pump
dry.  fill  and  vent  the  pump  volute  prior  to  operation.

FAILURE  TO  FOLLOW  THESE  INSTRUCTIONS  COULD
RESULT  IN  PROPERTY DAMAGE AND/OR MODERATE
PERSONAL INJURY.

WARNING:  Conduit  grounds  are  not  adequate.  A
separate  ground  wire  must  be  attached  to  the  ground

lug  provided  in  the  enclosure  to  avoid  potential  safety  haz-
ards.  FAILURE  TO  FOLLOW  THESE  INSTRUCTIONS
CAN RESULT IN SERIOUS PERSONAL INJURY, DEATH,
AND/OR PROPERTY DAMAGE.

Summary of Contents for Bell & Gossett GMU-30

Page 1: ...s When used the safety alert symbol means ATTENTION BECOME ALERT YOUR SAFETY IS INVOLVED FAILURE TO FOLLOW THE INSTRUCTION MAY RESULT IN A SAFETY HAZARD Glycol Make up Unit DESCRIPTION Single pump uni...

Page 2: ...ained in this manual is intended to assist operating personnel by providing information on the char acteristics of the purchased equipment It does not relieve the user of the responsibility to adhere...

Page 3: ...ptible to failure if operated in ambient temperatures outside of its rat ing The OPERATING temperature range for this unit is 32 to 105 F The relative humidity should not exceed 95 non condensing The...

Page 4: ...A dedicated ground wire must be connected to the unit Single phase motors have internal overload protec tion The disconnecting means and short circuit pro tection are to be supplied and mounted by ot...

Page 5: ...tion when operating the system This position provides positive shutoff c Adjust the valve between 20 to100 open 3 1 3 Diaphragm Expansion Tank Diaphragm expansion tank factory pre charge is 40 psi Adj...

Page 6: ...ing condi tions may require resetting the controls For best results use compressed air and a continuity meter across the switch to reset the controls The legend plate on the control indicates approxim...

Page 7: ...No power Restore if there is no power 2 Pressure switch not adjusted properly Refer to pressure switch setting section 3 1 1 DANGER Troubleshooting live control panels ex poses personnel to hazardous...

Page 8: ...CUT OFF SWITCH Y STRAINER PUMP 2 OPENING TANK 55 GALLONS TRIPLE DUTY VALVE PRESSURE SWITCH PRESSURE GAUGE SYSTEM OUTLET 3 4 NPT DIAPHRAGM EXPANSION TANK BY OTHERS PRESSURE REDUCING VALVE GATE VALVE G...

Page 9: ...9 Appendix E Wiring Diagram 1GMU01...

Page 10: ...IL 60053 Phone 847 966 3700 Fax 847 966 9052 www bellgossett com Copyright 2010 ITT Corporation Printed in U S A 4 10 THE ITT ENGINEERED BLOCKS SYMBOL AND ENGINEERED FOR LIFE ARE REGISTERED TRADEMARKS...

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