MDC33 and MDC50 Series
Submersible Sump Pumps
INSTALLATION, OPERATION, & PARTS MANUAL
SAFETY INFORMATION
Carefully read and follow all safety instructions in this
manual or on pump.
This is the safety alert symbol. When you see this
symbol on your pump or in this manual, look for one of the
following signal words and be alert to the potential for
personal injury!
warns about hazards that will cause serious
personal injury, death or major property damage if ignored.
warns about hazards that can cause serious
personal injury, death or major property damage if ignored.
warns about hazards that will or can cause
minor personal injury or property damage if ignored.
The word NOTICE indicates special instructions which are
important but not related to hazards.
DESCRIPTION
These Submersible Sump Pumps are designed for home
sumps. The unit is equipped with a 3-prong grounding-type
power cord. The shaded-pole motor is oil filled and sealed
for cooler running. Upper sleeve/lower ballbearing on the
motor shaft never need lubrication. Automatic reset thermal
protection.
SPECIFICATIONS
Power supply required........................................115V, 60 HZ.
Liquid Temp. Range ..........................32°F to 130°F (0°-54°C)
Individual Branch
MDC33 Series..........................15 Amps
Circuit Required:
MDC50 Series..........................20 Amps
Discharge Adapter.................................................1-1/2" NPT
PERFORMANCE
© 2007
MY506 (Rev. 8/8/07)
GPM (LPM) AT TOTAL FEET (m)
5
10
15
20
Model
(1.5m)
(3m)
(4.6m)
(6.1m)
CAPACITY GALLONS(L)/MINUTE
MDC33
48
40
29
15
24 Ft.
Series
(182) (151)
(110)
(57)
(7.3m)
MDC50
62
53
46
38
32 Ft.
Series
(235) (201)
(174)
(144)
(9.8m)
No flow
at height
shown
below
Individual
*Switch Setting
Model
Motor
Full
Branch Circuit
Cord
in inches (mm)
Number
HP
Load Amps
Required (Amps)
Length
On
Off
MDC33P1
1/3
9.8
15
10’
13" (330)
4" (102)
MDC33V1
1/3
9.8
15
10’
7" (178)
2" (51)
MDC33M1
1/3
9.8
15
10’
–
–
MDC33PC1
1/3
9.8
15
20’
13" (330)
4" (102)
MDC33VC1
1/3
9.8
15
20’
7" (178)
2" (51)
MDC33MC1
1/3
9.8
15
20’
–
–
MDC50P1
1/2
12.5
20
10’
13" (330)
4" (102)
MDC50V1
1/2
12.5
20
10’
7" (178)
2" (51)
MDC50M1
1/2
12.5
20
10’
–
–
MDC50PC1
1/2
12.5
20
20’
13" (330)
4" (102)
MDC50VC1
1/2
12.5
20
20’
7" (178)
2" (51)
MDC50MC1
1/2
12.5
20
20’
–
–
MOTOR, SWITCH, & CORD SPECIFICATIONS
1101 Myers Parkway
Ashland, OH 44805
Phone: 1-419-289-1144
Fax: 1-419-289-6658
Web Site: http://www.myerspump.com