8. Servicing the product
8.1 Maintaining the product
The ALPHA HWR-D pump is maintenance-free.
If the pump is damaged, for example with
fractures or dents, replace the pump.
8.1.1 Battery replacement
WARNING
Biological hazard
Death or serious personal injury
‐
Keep batteries out of reach of small
children, the elderly, and pets.
Batteries can cause permanent
injury if ingested or placed in the
nose, mouth, or ears.
‐
Immediate emergency room
treatment is required for anyone
who ingests a battery. In addition,
in the US, consult the 24-hour
National Battery Ingestion Hotline
at 800-498-8666 for assistance.
CAUTION
Corrosive substance
Moderate to minor personal injury and
risk of property damage
‐
The push-button HWR-
D or temperature sensor HWR-
D must be replaced if battery
leakage occurs.
CAUTION
Flammable material
Minor or moderate personal injury
‐
Do not attempt to recharge non-
rechargeable batteries.
To clean the push-button or
temperature sensor, wipe it with a
clean, damp cloth.
Ensure that disposal of old batteries is in
accordance with local regulations. Recycle old
batteries where possible.
8.1.1.1 Battery replacement for temperature
sensor
The temperature sensor uses AA 3.6 V lithium-
thionyl batteries. To change the battery in the
temperature sensor, follow these steps:
1.
Remove the lid of the temperature sensor.
2.
Remove the old battery.
3.
Insert the new battery.
4.
Replace the lid of the temperature sensor.
8.1.1.2 Battery replacement for push-button
The push-button uses AAA 1.5 V
alkaline batteries. To change the battery in the
push-button, follow these steps:
1.
Remove the push-button from the mounting
bracket on the back of the push-button.
2.
Remove the old batteries.
3.
Insert the two new batteries.
4.
Replace the push-button on the mounting
bracket.
17
English (US)
