Danfoss DHP-AQ Maxi

Position Name Position Name
7 Operating pressure switch 17 Return line heating system
8 Four-way valve 18 Solenoid
9 Discharge pipe 19 Non-return valve
10 Air heat exchanger
3.2.2 Indoor unit
1
DHP-AQ Mini
1
2
3
4
DHP-AQ Midi
1
2
4
3
5
DHP-AQ Maxi
1. Control module (transparent in image)
2. Immersion heater
3. Reversing valve
4. Circulation pump
5. Water heater
3.3
Measurement points
Caution When reading the resistance of the sensors, the sensor leads must first be disconnected from the control
equipment.
°C Outdoor / Defrost sensor
150 ohm, Ω
PT1000 sensor
1000 ohm, Ω
Other sensors
22 kilo ohm, kΩ
-30 1884 – –
-25 1443 – –
Service Instructions DHP-AQ
VMGFJ202 Danfoss Heating Solutions
12