Daikin Altherma HT Service Manual

Piping Diagrams ESIE09-08B
216 Appendix
2. Piping Diagrams
2.1 Outdoor Unit
ERRQ + ERSQ 011/014/016 AAV1
ELECTRONIC EXPANSION VALVE (Y3E)
ELECTRONIC EXPANSION VALVE (Y1E)
HEAT EXCHANGER
FILTER
FILTER
FILTER
FILTER
OIL SEPA-
RATOR
R8T
R1T
R4T
R2T
R5T
R3T
R6T
R7T
ACCUMULATOR
HEATING
STOP VALVE (WITH SERVICE PORT ON FIELD PIPING SIDE
ø 7.9MM FLARE CONNECTION)
DEFROST
FANS
M1F M2F
SP
p >
SERVICE PORT
4-WAY VALVE (Y1S)
CAPILLARY
TUBE
CAPILLARY
TUBE
HIGH PRESSURE SENSOR (S1NPH)
HIGH
PRESSURE
SWITCH
(S1PH)
SOLENOID VALVE (Y3S)
SOLENOID VALVE (Y2S)
DOUBLE PIPE HEAT EXCHANGER
PRESSURE REGULATING VALVE
SV
SV
SP
COMPRESSOR (M1C)
Low pressure sensor (S1NPL)

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++