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LITTLE GIANT CIRCULATOR PUMP
OWNER'S MANUAL
CMD-100-3B
CMD-100-5B
CMD-100-5BY
CMD-100-3B
INTRODUCTION
The Little Giant pumps are carefully packaged, inspected and tested to insure safe operation and delivery. When you re-
ceive your pump, examine it carefully to determine that there are no broken or damaged parts that may have occurred
during shipment. If damage has occurred, make notation and notify the firm from which you purchased the pump. They
will assist you in replacement or repair of the pump.
CMD SERIES
The CMD Series of pumps have been specifically designed for solar heat recirculation, domestic and commercial hot
water loops. The CMD pumps are efficient brass booster pumps designed for water loops handling pressures to 150° PSI.
Both the -3B and -5B can be used on all types of domestic solar and hydronic recirculation applications for residences,
apartments or commercial usage. Pumps have brass volute, Ryton
handle fluid temperatures to 212° F. Pumps have ½" MNPT connections and the volute can be rotated 90° intervals. The
design permits servicing of motor without losing liquids or draining system. For use in nonflammable liquids compatible
with pump component material.
SAFETY GUIDELINES
1. CAUTION: To reduce the risk of electric shock, disconnect motor from power source before servicing the pump.
2. Read all instructions and safety guidelines thoroughly. Failure to follow the guidelines and instructions could result in
serious bodily injury and/or property damage.
3. Do not pump flammable liquids such as gasoline or fuel oil.
4. During operation, the area around the pump may be covered with water. Take care when handling the pump. Do not
disconnect plumbing connections when pump is in operation.
5. Do not stand in water when changing fuses.
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ASSEMBLY
·
INSTALLATION
·
OPERATION
·
REPAIR PARTS
·
SAFETY
·
CMD-100-5B
®
impeller with exclusive nylon magnet design that will
®
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Summary of Contents for Little Giant CMD-100-3B
- Page 1 INTRODUCTION The Little Giant pumps are carefully packaged, inspected and tested to insure safe operation and delivery. When you re- ceive your pump, examine it carefully to determine that there are no broken or damaged parts that may have occurred during shipment.
- Page 2 Liquid will still be contained on the pumping head, and will not be drained unless you loosen the four screws that attach the brass volute to the housing. The pump head must be realigned on the motor drive assembly before the pump is put back into service. CMD-100-3B · 1550 RPM MOTOR ·...
- Page 3 File this for safe keeping. It may be valuable to you for service Your Little Giant product is guaranteed to be in perfect condition when it leaves our Factory. It is warranted against defective materials and under the term of the warranty.
- Page 4 SCREW, 8-32 X 1/2" LG WASHER, LOCK #8 921059 LITTLE GIANT PUMP COMPANY Telephone (405) 947-2511 3810 N. Tulsa St. Oklahoma City, OK 73112 ©Copyright 2003 Little Giant Pump Company Form #993149 – 12/03: PumpAgents.com - Click here for Pricing/Ordering...