Load Unit For Booster Pump; Hose Connections/Hose; 11.4 Gas Sensor And Gas Warning Device; Caution - Grundfos Oxiperm OCD-164 Montage- Und Betriebsanleitung

11.2 Load unit for booster pump

The booster pump is connected to the controller of the system via
a load unit.
Fig. 41 Load unit for booster pump
Pos. Description
Motor-protective circuit breaker
The nominal current of the pump is adjusted at the
1
motor-protective circuit breaker, see data sheet of
booster pump.
Connection cable
2 The load unit is connected to the controller of the system.
Terminal 22 = L, terminal 23 = N, terminal 24 = PE
If a system with bypass for the external booster

Note

pump is selected, observe the following table for the
selection of the load unit.
When adjusting the motor-protective circuit breaker,

Caution

observe the nominal current of the dosing pump.
Pump type Electrical data
CR 1-3 1.6 - 2.5 A, 230 V, 50/60 Hz 96728835 (535-50)
CR 1-5
1.6 - 2.5 A, 115 V, 50/60 Hz 96728836 (535-51)
CR 1-7
2.5 - 4.0 A, 230 V, 50/60 Hz 96728837 (535-52)
CR 1-9,
CR 1-11
2.5 - 4.0 A, 115 V, 50/60 Hz 96728838 (535-53)
Fig. 42 Terminal connection diagram load unit (booster pump)
52

11.3 Hose connections/hose

Hose connection, DN 20
Hose connection DN 20 - ID 25 mm
with 2 hose clamps.
Fig. 43 Hose connection
Connection screwing
Connection screwing for external
booster pump Rp 1" AG - ID 25 mm
with 2 hose clamps.
Fig. 44 Connection screwing for external booster pump
PVC hose
PVC hose, ID 25
mm, PN 6

11.4 Gas sensor and gas warning device

The gas sensor can be mounted at the rear of the system
underneath the reactor. The required fastening screw
(countersunk screw M6x20) is included in the mounting material
Product No.
of the system.
Description
Gas sensor
Conex DIS-G gas warning unit
Caution
Length
5 m
10 m
25 m
Max. system pressure for PVC hose 6 bar.
Note
For a higher system pressure, install a PVC pipe (DN
16).
Observe the installation and operating instructions of
the Conex DIS-G gas warning unit or the 314 gas
sensor.
The gas sensor cannot be connected directly to the
controller of the system. A gas warning unit is
Note
required in addition. Cabling is carried out on site.
Product No.
96727534 (529-050)
Product No.
96727536 (529-051)
Product No.
95700198 (526-030/5)
95700852 (526-030/10)
95729449 (526-030/25)
Product No.
91835237 (314-011)
96644515 (307-2000)