Install Instructions

5.2 Starting the pump
3 4 51 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)