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Functional Parts Layout
ESIE09-08A
22
Refrigerant Circuit
Bird’s-eye view
Legend
21
22
23
24
A
28
27
26
25
C
B
D
7
No.
Name
No.
Name
1
High pressure sensor
18
Refrigerant liquid connection R-410A
2
High pressure switch
19
Refrigerant gas connection R-410A
3
Compressor R-134a
20
Return water connection from tank
4
Outlet water connection
21
Low pressure sensor
5
Inlet water connection
22
4-way valve (R-134a)
6
Filter
23
Accumulator R-134a
7
Solenoid valve
24
Drain
8
Expansion vessel 12 l
25
Electronic expansion valve R-134a
9
DC inverter pump
26
Electronic expansion valve R-410A
10
Pressure relief valve
27
Refrigerant gas connection R-410A
11
Manometer
28
Refrigerant liquid connection R-410A
12
High pressure service port R-134a
A
R6T Discharge thermistor
13
Low pressure service port R-134a
B
R7T Liquid thermistor R-134a
14
Heat exchanger: refrigerant - water
C
R3T Liquid thermistor R-410A
15
Heat exchanger: refrigerant - refrigerant
D
R4T Returning water thermistor
16
(Q2L) Thermal protector water piping
E
R5T Leaving water thermistor
17
Air purge valve
Summary of Contents for ALTHERMA HT EKBUHAA6 V3
Page 2: ......
Page 7: ...ESIE09 08A Table of Contents v 1 3 Service Tools 283 Index i Drawings Flow Charts iii ...
Page 16: ...Model Names of Indoor Outdoor Units Tanks ESIE09 08A 4 General Information ...
Page 28: ...Refrigerant Circuit ESIE09 08A 16 Refrigerant Circuit EKHBRD 011 014 016 AB AC V1 Y1 ...
Page 40: ...Functional Parts Layout ESIE09 08A 28 Refrigerant Circuit ...
Page 63: ...ESIE09 08A PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 Refrigerant Circuit 51 ...
Page 64: ...PCB Layout for EKHBRD 011 014 016 AA AB AC V1 Y1 ESIE09 08A 52 Refrigerant Circuit ...
Page 125: ...ESIE09 08A Field Setting Test Operation 113 ...
Page 232: ...Troubleshooting by Indication on the Remote Controller ESIE09 08A 222 Troubleshooting ...
Page 237: ...ESIE09 08A Piping Diagrams Appendix 227 EKHBRD 011 014 016 AB AC V1 Y1 ...
Page 250: ...Wiring Diagrams ESIE09 08A 240 Appendix EKHBRD 011 014 016 AB AC V1 ...
Page 251: ...ESIE09 08A Wiring Diagrams Appendix 241 ...
Page 256: ...Wiring Diagrams ESIE09 08A 246 Appendix EKHBRD 011 014 016 AB AC Y1 ...
Page 257: ...ESIE09 08A Wiring Diagrams Appendix 247 ...
Page 260: ...Wiring Diagrams ESIE09 08A 250 Appendix ...