Grundfos Oxiperm Pro OCD-162 - External Batch Tank; Power Supply Cable

English (GB)
32
6.7.8 External batch tank
The external batch tank is delivered with a level indicator with 3
bistable changeover switches, see figure 29 and section 5.3 Tank
levels.
Make sure that the status indicator field of each changeover
switch is black when the floater is at the bottom.
Fig. 29 Bistable changeover switch
If a status indicator field is white, modify the respective
changeover switch.
Modifying the changeover switch
1. Remove the housing cover.
2. Carefully turn the indicator wheel clockwise, until the status
indicator field is black.
3. Mount the housing cover.
Connecting the external batch tank
Connect the terminals as described in the following table.
6.7.9 Power supply cable
Requirements
• Operating voltage minimum 230 V / 115 V
• Operating current minimum 4 A
• 2-pole interruption
Connecting the power supply cable
1. Position the main switch as close as possible to the system.
2. Switch off the main switch.
3. Connect the protective earth. See section 14. Terminal
connections.
4. Check that the voltage corresponds to the value specified on
the nameplate. See section 3.3 Identification.
5. Route the power supply cable up at the side between the
control unit and the reaction tank.
6. Connect the power supply cable to the main switch.
TM06 1197 1914
Terminals
Polarity Switch Level
BK-390 OCD
248
N.C. K13
Maximum-maximum
(overflow)
347
146
N.O. K12 Maximum
248
145
N.O. K11 Minimum
248
--- ---
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Minimum-minimum (dry
run)
not connected
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Bistable
changeover
switch
Status
indicator field
Over range
Under range
Indicator
wheel
Warning
Incorrect electrical connections may result in serious
personal injury and damage to property.
Electrical connections may only be carried out by
authorised service staff.
Switch off the power supply before starting work.
Carry out power supply connection according to the
local regulations.
Provide for an all-pole separator.
Warning
Do not route the power supply cable through the void
behind the control unit. Risk of gas poisoning due to
escape of gas from a damaged volume
compensation bag.
Route the power supply cable up at the side between
the control unit and the reaction tank.