Stiebel Eltron WPM HP Controller

The Stiebel Eltron WPM is the heat pump manager (controller) for Stiebel Eltron WPL heat pumps. It controls heating, cooling and domestic hot water, with DHW heating given priority, and comes with factory defaults for quick start-up.

Key features

• Controls up to two WPL heat pumps and up to three heating circuits (two with mixers)
• Direct connection of high-efficiency circulators through relay or PWM outputs
• Operating modes: continuous, fixed buffer temperature (68°F to 158°F) and outdoor reset
• Fault contact for external alarms, screed drying program and DHW circulation pump control
• Software updates by SD card
• Drip-proof, wall-mounted enclosure

Specifications

• Brand: Stiebel Eltron
• Manufacturer part number: WPM
• Type: Heat pump manager / system controller
• Expansion: WPE heat pump extension and FET digital remote control (sold separately)

What's included

WPM controller, 3 immersion well / pipe-mount sensors and 1 outdoor temperature sensor.

Compatibility

Stiebel Eltron WPL heat pumps. A stand-alone WPM is needed when the system has no HSBC 300 Integral or uses more than one WPL heat pump.

Electrical connections must be made by a qualified installer following the manufacturer's manual and local code.