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Specifications Information and Repair Parts Manual

569, 570, 571, 572 Series

5690-250-00

11/2012

Please read and save this Repair Parts Manual. Read this manual and the General Operating Instructions carefully before attempting to assemble, install, operate

or maintain the product described. Protect yourself and others by observing all safety information. The Safety Instructions are contained in the General Operating

Instructions. Failure to comply with the safety instructions accompanying this product could result in personal injury and/or property damage! Retain instructions

for future reference. AMT reserves the right to discontinue any model or change specifications at any time without incurring any obligation.

Periodic maintenance and inspection is required on all pumps to insure proper operation. Unit must be clear of debris and sediment. Inspect for leaks and loose bolts. Failure to do so

voids warranty.

Patterson/AMT Inline Circulator Pump

Refer to pump manual 1808-634-00 for General Operating and Safety Instructions.

All units are for use with non-flammable, non-abrasive liquids compatible
with pump component materials.

IMPORTANT: Not for use with petroleum based liquids.

CAST IRON UNITS (-95)

Pump construction is cast iron casing and adapter. Cast stainless steel
impeller; 5720 with cast bronze impeller. EPDM mechanical shaft seal with
carbon and ceramic wear faces. EPDM O-ring casing seal.

BRONZE UNITS (-97)

Pump construction is cast bronze casing and adapter. Cast stainless steel
impeller; 5720 with cast bronze impeller. EPDM mechanical shaft seal with
carbon and ceramic wear faces. EPDM O-ring casing seal.

UNPACKING

Refer to Repair Parts Illustration and Repair Parts List to aid in identifying
parts. Unpack and separate all pump components from shipping/packaging
materials, making sure all parts are accounted for. Retain all manuals for

reference. Package should contain: pump, flanges, circulator pump specific

manual, and general pump manual.

INSTALLATION

Pump is designed for circulating liquid in a closed system for a flooded

suction application. Pump will not Self-prime.

2. Piping system must be designed for adequate thermal expansion.
3. A pressure relief valve should be considered to protect pump casing from

over pressurization and pressure spikes especially if a check value is
installed near pump.

Locate the pump so that there is sufficient room for maintenance and

servicing.

There must be a sufficient supply of cooling air and ventilation around the

pump and motor to avoid excessive component temperatures.

6. Installing a shutoff valve in both the suction and discharge piping will

make removal and servicing of the pump possible without draining the
entire system.

Support the piping near the pump’s suction and discharge with sufficient

piping hangers. This will minimize pipe strain.

NOTE: Proper motor support is required to avoid damage to pump or
motor. Use correct size motor hanger similar to the one pictured based on
model being installed. Hangers vary depending on horizontal or vertical

installation (see figure 1).

DESCRIPTION

Patterson/AMT inline circulator pumps are designed for continuous duty industrial/commercial applications. Pumps are designed for liquid circulation in HVAC

and industrial/commercial systems. Pumps are available in cast iron or bronze configurations to meet your specification. Pumps are powered by a single phase

115V 56J NEMA frame electric motor with ½-14 NPSM conduit connection. Pump is equipped with precision lapped mechanical shaft seal to reduce the likelihood

of leakage, O-ring sealed casing, and a stainless steel closed impeller. Liquid temperature range is 40° to 200° F (4° to 93° C). Liquid viscosity and specific gravity
must be close to water; 31 SSU and 1.00. Maximum casing pressure is 150 psi. Pump shipped without NPT connection flanges or flange gaskets. Connection
flange kits must be ordered separately.

All 115V motors are equipped with automatic thermal protection. Check motor wiring before putting unit into service (see motor nameplate for specific wiring
diagram). These are manual units, no controls are supplied. All units are for use with nonflammable, non-abrasive liquids, compatible with pump component

materials.

Make sure bolt holes in pipe flange line up with bolt holes in pump flange.

Do not spring the suction or discharge piping into position. This will
result in excessive stain in the piping, flanges and pump casing.

ORIENTING PUMP

1. The pump can be oriented in any desired position: discharge up or down,

left or right.

2. If motor is oriented vertically up, a means of venting air from the seal

chamber must be installed in the seal plate (Ref. No. 8) 1/8” NPT port.
Remove 1/8” NPT plug (Ref. No. 6) and install air venting device or liquid
injection line.

3. DO NOT INSTALL UNIT

with motor vertically down, any liquid breaching

the mechanical shaft seal will run directly down shaft into motor.

installation (see figure 1).

Figure 1 - Piping Hanger & Support