A.Y. McDonald DuraMAC E Installation Manual
TM
E-Series DuraMAC
Residential
Water Pressure Booster System
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TM
E-Series PUMP CONTROL
5300PC DuraMAC
1
120VAC 60HZ 10 FLA 60 LRA
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PUMP STARTS ON PRESSURE OR FLOW
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Installation Instructions
The E-Series DuraMAC™ Water Pressure Booster System is designed for residential and small commercial boosting applications.
The pump starts with water ow or pressure drop and stops on low ow.
A constant speed, totally enclosed fan-cooled motor drives the E-Series DuraMAC™ booster pump with single phase power. It tells you it
is working properly by illuminating a single status light.
ATTENTION!
Important information for installers of this equipment!
This equipment is intended for installation by technically qualied personnel. Failure to install it in compliance with
national and local electrical codes and with motor suppliers recommendations, may result in electrical shock or re hazard,
unsatisfactory performance, and equipment failure.
WARNING!
Serious or fatal electrical shock may result from failure to connect the motor, control enclosures, metal plumbing, and all other
metal near the motor or cable, to the power supply ground terminal using wire no smaller than motor cable wires. To reduce
risk of electrical shock, disconnect power before working on or around the water system.
WARNING: It is unlawful in CALIFORNIA & VERMONT (effective 1/1/2010); MARYLAND (effective 1/1/2012); LOUISIANA (effective 1/1/2013) and the UNITED
STATES OF AMERICA (effective 1/4/2014) to use any product in the installation or repair of any public water system or any plumbing in a facility or system
that provides water for human consumption if the wetted surface area of the product has a weighted average lead content greater than 0.25%. This prohibition does
not extend to service saddles used in California, Louisiana or under USA Public Law 111-380.
3210-602 8/18
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1
TABLE OF CONTENTS
SECTION 1 ELECTRICAL INSTALLATION .............................................................................. 2
SECTION 2 INSTALLATION & LOCATION .......................................................................... 2-3
SECTION 3 PUMP ASSEMBLY ............................................................................................. 4
SECTION 4 PIPING ......................................................................................................... 5-7
SECTION 5 PUMP CONTROL ..............................................................................................8
SECTION 6 ALTERNATE CONTROL METHODS ...................................................................... 9
SECTION 7 TROUBLESHOOTING ................................................................................. 10-11
Before installation, read the following instructions carefully. Each E-Series DuraMAC™ pump is individually factory tested to insure proper
performance. Closely following these instructions will eliminate potential operating problems, assuring years of trouble-free service.
1. GROUNDING & ELECTRICAL INSTALLATION
The pump and control is supplied with a 3-conductor grounding cord. Connect the control only to a properly grounded,
dedicated GFCI protected circuit. Do not lift the pump by the electrical cord.
Follow local and national plumbing, building and electrical codes when installing the pump. Maintain this pump in compliance with the
National Electrical Code (NEC) or the Canadian Electrical Code (CEC) and with all local codes and ordinances that apply. Consult your
local building inspector for local code information.
Use copper conductors only and be certain wire and fuses of the correct size are installed.
DO NOT GROUND TO GAS OR FUEL LINES
2. INSTALLATION & LOCATION
The pump should be installed in a dry, accessible area protected from freezing temperatures. Proper ventilation must be provided for
proper cooling of the electrical equipment.
Follow local plumbing codes. In some cases a dual check valve, reduced pressure zone device, or other equipment may be
required.
If your new boosted pressure is greater than 80 PSI*, you must install a pressure reducing valve before your pump. Consult local
plumbing codes and pressure ratings on your water appliances.
A pressure relief valve or expansion tank is recommended downstream of device if thermal expansion conditions are possible.
*See table on Page 3 for maximum incoming pressure.
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8/18 3210-602
E-Series DuraMAC™ Model Pump Boost Amps Voltage Power *Maximum incoming pressure
18035R020PC1 35 PSI 5.5 120 - 60 Hz ½ HP 45 PSI
18052R020PC1 52 PSI 7.0 120 - 60 Hz ¾ HP 28 PSI
Total static pressure E-Series DuraMAC™ pump
Incoming 18035R020PC1 18052R020PC1
Pressure
(PSI)
+35 +52
60
55 90
50 85
45 80
40 75
35 70 87
30 65 82
25 60 77
20 55 72
15 50 67
10 45 62
Pump
Boost
Model #
+
35
PSI
BOOST
18035R020PC1 18052R020PC1
CONTACT FACTORY
+
PSI
BOOST
52
3210-602 8/18
Cord
Connection
120V 120V
Power
1/2 HP
3/4 HP
Max
Incoming
45 psi
28 psi
Pressure
Do not spray water on or near the electric motor or control.
Pump only water with this pump. Do not pump ammable liquids or chemicals. Do not use the pump near
gas pilot lights or where chemical or gas fumes are present.
Use of an electric pump with liquids other than water or in an atmosphere containing chemical or gas fumes
may ignite those liquids or gases and cause injury or death due to an explosion and/or re.
Always install near a oor drain where leakage will not cause damage to homes or property.
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3. PUMP ASSEMBLY
OUTLET
TANK
PUMP
CORD
CONTROL CROSS
CONTROL
CORD
FLOW
PRESSURE SWITCH
O-RING
UNION NUT
CHECKVALVE
TAILPIECE
MUST CONNECT TO A
GFCI PROTECTED CIRCUIT
15300 PC1 CONTROL
INLET
1. Make sure arrow on tailpiece check valve is in the direction of ow. Push inside the check valve to make sure poppet can
move. If the check valve is installed in the wrong direction water will not leave the pump.
2. Apply pipe sealant on the male threads of tailpiece with check valve. Install into outlet of pump. DO NOT apply any pipe
sealant on pump threads.
3. Make sure the union nut is over the tailpiece before threading into pump.
4. O-ring should be installed in groove on top of tailpiece with check valve. Then tighten union nut to control cross.
5. Apply pipe sealant on tank threads and install into control cross port labeled “Tank”. Only tighten with a wrench on the ats
of the tank. The 1/2 gallon tank included is required for this product to work properly. The air pressure of the tank must be
set at 28 PSI. This is 2 PSI less than the start pressure of the pump.
6. Plug the pump cable into the control cord. Do not plug the control into wall yet.
Plugging in the control prior to making plumbing connections and priming the pump will cause the pump to run dry and
void warranty.
7. Rotate control so front panel is visible when installed.
8. Mount the pump base rmly and follow piping instructions on next page.
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