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Installation and operating instructions:
domestic hot water pumps Ultracirc S1
®
and Ecocirc E1
®
GB
Note regarding dry run and overheating protection:
All S1 pumps that do not have a calcification prevention or control thermostat
additionally include thermostatic dry run protection, which shuts off the pump
at approx. 95 °C, thus preventing damage caused by dry operation periods that
are too long. If necessary, this thermostatic dry run protection or the calcification
prevention thermostat can be switched off (see 7.1 Electrical connection)
In order to protect the electronics in E1 pumps from temperatures that are too
high, the pump power, and thus the flow of water that is too hot, is automati
-
cally reduced. The temperature is measured directly at the electronics. When the
temperature of the electronics is between 105 °C and 115 °C, the pump power
is continuously lowered to minimum power. The pump automatically stops com-
pletely at 15 °C and automatically restarts at 115 °C, when the electronics have
cooled down.
Motor housing may be very hot. Burn hazard.
The pump is restarted as soon as it has cooled down.
Note regarding replacement motors:
Two different seals are included in the scope of delivery with Laing replacement
motors:
- Use the O-ring seal to replace an old Laing pump motor on a Laing pump
housing with a new Laing pump motor.
- Use the flat seal to replace an old non-Laing pump motor on a non-Laing
pump housing with a new Laing pump motor (replacement list available on
request). If the Laing O-ring seal is mistakenly used in non-Laing pump hous-
ings, water may leak out between the non-Laing pump housing and the Laing
replacement motor because non-Laing pump housings have a sealing ridge
located near the sealing surface.
!
3 Dimensions
(see figure 3)
4 Technical Specifications
S1
E1
Motor model
Shaftless spherical motor
High-efficiency, shaftless
spherical motor with ECM
technology
Rated voltage
30 V
00-0 V
Frequency
50 Hz
50/0 Hz
Power consumption
5 watts
8 watts
IP/insulation class
IP / F
IP / F
Max. system pressure
10 bar
10 bar
Max. system temperature 95 °C
95 °C
Min. ambient temperature Not freezing/condensing Not freezing/condensing
Содержание Ecocirc E1 Series
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