
Page Number 6 of 28
QLS 311
Subject
to
modifications
2.1B-38008-A01
Form 403074
Installation and Operation Instructions
Pump models
Examples of part numbers
P31100810111
P31162410151
P311 6 2 4
1
0
1 5
1
Pump
For oil
....................................................311
SSV Divider Block
External, SSV 6, SSV 8**
.................................0
External, SSV 12, SSV 18**
.............................1
SSV 6 (only back)
............................................3
SSV 8 (only bottom)
.........................................4
SSV 12
............................................................6
SSV 18
............................................................9
SSV Divider Block Position
None
.................................................................0
Back
.................................................................1
Bottom
1
.............................................................2
Operating Voltage
12 VDC
.............................................................2
24 VDC
.............................................................4
120 VAC*
..........................................................6
230 VAC*
..........................................................8
Reservoir/Low level control
1 l reservoir with low level control
.....................1
Dry Contacts
None
..................................................................0
Yes
....................................................................1
Type of Plug Connector
Square-type, acc. to DIN 43650 type
of construction A.
...............................................1
Electrical Connectors
With socket, without cable*
................................1
With socket, with cable*
.....................................5
Control p. c. b.
None
...................................................................0
Monitored, 1 cycle, SSV 12, SSV 18
Monitored, 1, 2, 3 cycles, SSV 6, SSV 8
...........1
Example of an explained model number:
Pump model P31131810111
-oil pump, SSV 6 block back mounted only, 230 VAC, with low level and without dry contact.
* Note:
Pump models (120, 230 VAC) are shipped without electrical cord
Pump models (12, 24 VDC) for mobil applications can be shipped with electrical cord
** Note:
For external divider block application only use the specific divider blocks SSV ... KNQLS.
1
Note:
Do not use QLS 311 with SSV 8 bottom mounted only for mobile applications. Dont install
the pump in areas exposed to shock.
Accessory Kits
Inch Size Kits:
Metric Size Kits:
SSV 6/8 part no. 550-36971-1
SSV 6/8 part no. 550-34010-1***
SSV 12 part no. 550-36971-2
SSV 12 part no. 550-34010-2***
SSV 18 part no. 550-36971-3
SSV 18 part no. 550-34010-3***
*** Lube fittings must be ordered separately
QLS 311 Selection Guide