Abbreviations - DeDietrich AWHP-2 MIT-IN-2 iSystem User Manual

2. About this manual
1
2.3

Abbreviations

13
Caution: danger, live parts.
2
Disconnect the mains power prior to any operations.
M002628-A
4 DHW: Domestic hot water
4 PPS: Polypropylene hardly inflammable
4 PCU: Primary Control Unit - PCB contoller for heat pump operation
4 PSU: Parameter Storage Unit - Parameter storage for PCBs
PCU and SU
4 SCU: Secondary Control Unit - DIEMATIC iSystem control panel
PCB
4 SU: Safety Unit - Safety PCB
4 3WV: 3-way valve
4 EVU: Power supply company
4 AWHP: Outdoor module connected by connection cable to the
indoor module
4 MIT-2: Indoor module fitted with a DIEMATIC iSystem control
panel
4 HP: Heat pump
4 COP: Performance coefficient
4 EER: Frigorific efficiency ratio
4 Flow temperature: Temperature of the water circulating in the
radiators or in the underfloor heating.
4 Ambient temperature: Temperature inside the house or in a room.
4 Room temperature setpoint: Temperature programmed in the
control system that must be reached by the heat pump.
AWHP-2 MIT-IN-2 iSystem
10/06/2015 - 7616372-001-05