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Control mode (fig. 2a - 2b):
Variable differential pressure ( p-v) : The differential
pressure setpoint is increased linearly over the
permitted volume flow range between 1/2H and H.
The differential pressure generated by the pump is
adjusted to the corresponding differential pressure
setpoint (Fig. 2a).
Constant differential pressure ( p-c) - Only in the case
of SIRIUX Jr BMS : The differential pressure generated
by the pump is kept constant over the permitted
volume flow range at the differential pressure setpoint
set on the control knob (Fig. 2b).
Night mode - for all models SIRIUX Jr: The Temperature
sensor of the pump is able to detect when the boiler is
in "night mode".
If the pump detects a significant drop of water
temperature, it automatically switches to its night
curve to avoid an unnecessary consumption of
energy.
Then, the pump will revert to its pre-set operating
curve as soon as an increase in water temperature is
detected.
Auto
/
: night mode activated
: night mode not activated
NOTE:
In the case of insufficient heating/cooling
capacity of the installation (too low a heat transfer) it
must be checked whether the night setback control is
on. In this case it must be switched off.
Operating elements (fig. 1) :
• Dial knob for the differential pressure setpoint
(fig. 1, item 2)
• Setting range:
• SIRIUX Jr 3m
: Hmini = 1 m, Hmaxi = 3 m
• SIRIUX Jr 5m
: Hmini = 1 m, Hmaxi = 5 m
• SIRIUX Jr BMS : Hmini = 1 m, Hmaxi = 5 m
• CELCIUX : Hmini = 1 m, Hmaxi = 5 m
7. INSTALLATION AND ELECTRICAL
CONNECTION
Installation and electrical connection should be
carried out in accordance with local regulations and
only by qualified personnel!
WARNING! Risk of personal injury!
The relevant accident precaution regulations
must be observed.
H
Auto
Auto
Q
night curve
13
WARNING! Risk of electric shock!
Potential dangers caused by electrical energy
must be excluded. Local or general regulations (e.g.
IEC etc.) and directives from local energy supply
companies are to be followed.
7.1 Installation
- Only install the pump after all welding and soldering
work has been completed and the pipe system has
been flushed through.
For connection with the water supply network, the
use of new accessories is necessary.
- When installing in the supply leg of open systems, the
safety supply must branch off upstream of the pump
(DIN 4751).
- Install with the power switched off and the pump
motor in the horizontal position. See fig. 3 for
installation positions of the module. Other installation
positions on request.
- Direction arrows on the pump housing and the
insulation indicate he direction of flow.
- If the installation position of the module is changed,
the motor housing has to be turned as follows:
- Undo the 2 Allen screws.
- Turn motor housing including control module.
CAUTION! Risk of damage to the pump!
When turning on the motor housing the gasket
may be damaged. Replace damaged gaskets
immediately.
Size of gasket: Ø86 mm OD x Ø76 mm ID x2,0 mm
thick, EP.
- Reset and fix Allen screws.
7.2 Electrical connection
WARNING! Risk of electric shock !
Electrical connection must be carried out by an
electrical installer authorised by the local power
supply company in accordance with the applicable
local regulations.
- Power supply must correspond to name plate data.
- Power wiring to be in accordance with fig. 4 :
• power connections: L, N, T.
• max. line fuse: 10 A, slow action.
• The connecting cable can optionally be lead
through the cable gland on either right or left. The
gland and the blank plug (PG 11) must than be
changed.
• Strictly comply with local earthing regulations.
- The electrical connection must be made in
accordance with VDE 0700/part 1 via a fixed
connecting cable, which is provided with a plug
device or an all-pole switch with a contact opening
width of at least 3 mm.
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