42
PIPING DIAGRAM
MODEL
: WSA050DD6, WSA100DD6
Hydraulic unit
Water flow
Electric heater
sensor
Air purge valve
Outdoor unit
Buffer tank
Heating terminal
(Floor heating,
Water Circulation
Expansion vessel
radiator, etc.)
pump
Refrigerant
Hot water
Water heat
Water return
Manometer
exchanger
sensor
Drain/fill valve
Safety valve
Hydraulic unit / Single phase
- (HU01 - 07) -