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Wilo-Yonos PICO-D 30/1-6, Yonos PICO-D 30/1-8
These instructions are valid only in conjunction with the Installation and operation instructions of
Yonos PICO circulating pump.
5 Product information
5.1 Type key
Example: Wilo-Yonos PICO-D 30/1-6
Yonos PICO
-D
30
1-6
6 Description and function
6.1 Description of the product
Twin pumps contain two identically constructed pump heads in a common pump housing with change-over
flap. Each pump can run in single mode
simultaneously in parallel mode
of default, an external switchgear is required..
7 Installation and electrical connection
7. 1 Installation
See Fig. 1 of this leaflet for installation positions of the pump. In case of installation in horizontal piping, a
regular permutation between the two heads is advisable.
7.2 Electrical connection:
Provide a separate mains connection cable and a separate fuse mains side for both motors of the twin-
head pump.
8 Commissioning
8.3 Setting the control mode and the delivery head
Note: Twin-head pump: If individual pumps run simultaneously in parallel mode, both must be
set imperatively on p-c or constant speed mode, and the selected head meter or speed C1, C2,
C3 must be identical (Fig. 2A/2B).
Note: Twin-head pump: If individual pumps run alternatively by means of an automatic
permutation in reserve operation, set control mode and head meter or speed C1, C2, C3 must
be identical (Fig. 2C/2D).
Installation and operating instructions
High-efficiency pump
Twin head, double pump
DN connection size
1 = minimum delivery head in m (can be adjusted up to 0.5 m)
6 = maximum delivery head in m at Q = 0 m³/h
(main/reserve operation), and both pumps can also
. (incremental/ load operation). For automatic permutation in case
2
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