Installation
28
300554859_002_C0 - 11/2016 - © Leybold
3.4 Installing the Backing Pump
For TURBOLAB pumping systems that are delivered without backing pump.
The TURBOLAB pumping system must not be switched on or operated with-
out connected backing pump.
The turbo pump cannot reach its nominal speed without suitable forevacuum
pressure. In this case, the system would go into malfunction mode. The mal-
function is indicated on the display.
The backing pump must be designed for the pumping speed and the
required forevacuum pressure of the turbo pump. Please refer to the operat-
ing instructions of the turbo pump.
The function and safety of the TURBOLAB is given with the backing pumps
and connection lines listed in the Accessories section. Only these pumps and
connection lines are approved for use.
If a different backing pump is used, the user must evaluate the mechanical
and electrical safety. Please refer to the operating instructions of the backing
pump.
Connected backing pumps and connection lines must meet the safety
requirements of the IEC 61010 standards.
In its delivery status, the TURBOLAB without backing pump will not tip over
at an angle ≤ 10°. However, depending on the construction on the
TURBOLAB, that value can change.
Connecting backing pump with 110 V AC or 230 V AC
Connection at output of TURBOLAB - X211 FV AC. See Figure 3.14 and
3.15.
The voltage range of the backing pump must match the specifications of the
voltage range on the nameplate of the TURBOLAB.
With a specified range of 100 V AC to 230 V AC on the TURBOLAB name-
plate, adjust the pump to the supply mains. The voltage that is fed in at
MAINS X20 corresponds to the voltage at the backing pump connection
X211 FV AC.
The backing pumps listed in the Accessories section may be connected to
the TURBOLAB without restrictions at the TURBOLAB output X211 FV AC
with the appropriate cable.
If a different backing pump is used, please take note of the following:
■
The required current for the backing pump may not exceed 8 A.
■
There is no overload protection. The user must install an overload protec-
tion.
■
The output X211 FV AC is not fused separately, but protected against
short circuiting via the input fuses MAINS F1 and F2 (16 AT).
■
Check cable length and cross section of the connection line.
■
The laying of the connection line must comply with general safety regula-
tions.
■
Take note of the rotational direction of the backing pump.
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