Daikin Altherma HT Service Manual

Functional Parts Layout ESIE09-08B
16 Refrigerant Circuit
2.2 ERRQ 011/014/016 AAY1, ERSQ 011/014/016 AAY1
Bird’s-eye view
Remark:
Bottom plate heater:
 Standard for ERRQ
 Optional for ERSQ
Y2S
S1NPH
Solenoid valve
Y3S
Solenoid valve
S1NPL
Low pressure sensor
Y1S
4-way valve
Y1E
Electronic expansion valve
Y3E
Electronic expansion valve
Service port
Accumulator
Service port gas
Oil separator
Service port liquid
Compressor
High pressure sensor
S1PH
High pressure switch
R2T
Discharge thermistor
E1HC Crankcase heater

Daikin Altherma HT Specifications

General

Type	Air-to-water heat pump
Refrigerant	R-410A
Water Outlet Temperature	Up to 80°C
Operating Temperature Range	-20°C to 35°C
Power Supply	3-phase, 400V
Energy Efficiency Class (Heating)	A++