5.2 Starting the pump
3
4
5
1
2
TM072150
Fig.
"Power ON" LED and other indicators
on the pump display
Pos.
Description
1
"Connect" LED
2
"Temperature sensor" LED
3
"Power ON" LED
4
Pairing button
5
"Pump operation" LED
•
Connect the line cord to the power supply to
start the pump.
•
The pump will run for approx. 5 seconds and
then stop.
•
The green "Power ON" LED on the pump
display will be lit when the power is on.
6. Product introduction
6.1 Product description
TM072165
Fig.
ALPHA 15-55 HWR-D pump, push-
button, and temperature sensor
The ALPHA HWR-D system is an on-demand hot-
water recirculation system for use in domestic hot-
water applications. It provides optimal comfort by
providing hot water instantly on demand.
6.2 Accessories
TM072805
Fig.
HWR-D accessories
Pos.
Description
1
Temperature sensor HWR-D
One temperature sensor is either
included or may be purchased as
an accessory.
2
Push-button HWR-D
One push-button is included in the
delivery. Additional push-buttons
may be purchased as accessories.
3
Repeater HWR-D
A repeater is not included but may
be purchased as an accessory to
increase the range of
communication between the push-
button and the pump.
11
English (US)
