Grundfos MQ 3-45 - Page 23

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Untitled-1 1 4/22/11 7:07 PM
Project2:Layout 1 4/22/11 6:59 PM Page 4
Untitled-1 1 4/22/11 7:07 PM
Project2:Layout 1 4/22/11 6:59 PM Page 4
Untitled-1 1 4/22/11 7:07 PM
Project2:Layout 1 4/22/11 6:59 PM Page 4
Untitled-1 1 4/22/11 7:07 PM
Product Guide EZ Boost
TM
System
Accessories
EZ Boost constant pressure kit
Description Rating Materialnumber
EZBoostcontrollerandpressuresensor 40to100PSIsettingrange 91128636
EZ Boost controller
Description Rating Materialnumber
EZBoostcontroller 40to100PSIsettingrange 91121987
Sensor
Description Rating Materialnumber
PressuresensorkitforEZBoostcontroller 0to120PSI,1/2”NPT 96437852
Diaphragm tank
Dutyrange
Pre-chargepressure:  40PSI
Max.operatingpressure: 150PSI
Max.liquidtemperature: 200°F
Materials
Liner: Polypropylene
Connection: Lead-freebrass
Tank: Stainlesssteel,AISI304
Description
G
connection
D
[in(mm)]
H
[in(mm)]
Weight
[lbs(kg)]
Material
number
Diaphragmtank,
2gallon
3/4”NPT 8(203) 12.63(321) 5(2.3) 91121984
G
D
H
22
Product Guide EZ Boost
TM
System
EZ Boost Quick Guide
EZ Boost Quick Selection Guide
Example:
1. Themaximumdemandis15GPM(3.4m3/h).
2. Thepressurerequiredis70PSIsystempressure 
 atthetapsinthebuilding.
3. Thenormalminimuminletpressure(e.g.city 
 pressure)is20PSI.
4. Theadditionalboostrequiredis50PSIat15GPM
 (3.4m
3
/h).
5. Selecta15BMQE05A-110.
EZ Boost System Diagram
TheEZBoostConstantPressureSystemshouldconsistof:
Pos.
1. EZBoostBMQEpump
2. EZBoostcontroller
3. Diaphragmtank
 (recommendedsize2U.S.gallons(8liter)/130psi)
Additional(boost)
pressurerequired
5 10 15 20 25 30 35 39
Flowrequiredingallonsperminute(GPM)
inPSI
90
80
70
60
50
40
30
20
10
15 BMQE 05A-11015 BMQE 05A-110
30 BMQE 05B-90
30 BMQE 05B-90
30 BMQE 10C-13030 BMQE 10C-130
22 BMQE 10C-190
22 BMQE 10C-190
22 BMQE 05B-120
22 BMQE 05B-120
22 BMQE 05A-80
22 BMQE 05A-80
15 BMQE 07B-180
15 BMQE 07B-180
4. Pressuresensor
5. Mountingbrackets
6. Flexconnector
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