Daikin Altherma HT Service Manual

Functional Parts Layout ESIE09-08B
14 Refrigerant Circuit
2. Functional Parts Layout
2.1 ERRQ 011/014/016 AAV1, ERSQ 011/014/016 AAV1
Bird’s-eye view
Remark:
Bottom plate heater:
 Standard for ERRQ
 Optional for ERSQ
Y2S
S1NPL
Solenoid valve
S1NPH
High pressure sensor
Y1S
4-way valve
Service port
Accumulator
Service port liquid
Service port gas
Compressor
Oil separator
Low pressure sensor
R2T
Discharge thermistor
Y1E
Electric expansion valve
Y3E
Electric expansion valve
E1HC
Crankcase heater
S1HP
High pressure switch
Y3S
Solenoid valve

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++