Quick Reference Guide - Page 6
Hydro Unit – Exploded View
1 : Expansion vessel
2 : Hi pressure switch (4.15 MPa)
3 : Temperature sensor (for Heat pump outlet -TWO)
4 : Pressure sensor
5 : Heat exchanger
6 : Flow switch (13.0 L/min 17.5 L/min)
7 : Temperature sensor (for refrigerant -TC)
8 : Temperature sensor (for water inlet -TWI)
9 : Drain nipple
10 : Water inlet connection
11 : Refrigerant liquid connection
12 : Air relief valve
13 : Pressure relief valve (0.3 MPa (3 bar))
14 : Thermal protector (auto)
15 : Temperature sensor (for water outlet THO)
16 : Thermal protector (Single operation)
17 : Water pump
18 : Backup heater (3 kW, 3 kW x 2, 3 kW x 3)
19 : Manometer
20 : Water outlet connection
21 : Refrigerant gas connection
Summary of Contents for ESTIA A09-01P
Page 1: ...FILE NO A09 01P Quick reference AIR TO WATER HEAT PUMP ...
Page 8: ...Quick Reference Guide Page 8 Outdoor Unit HWS 802H E HWS 1102H E 1402H E ...
Page 12: ...Quick Reference Guide Page 12 Electrical Connections E Box layout Terminal Block Connections ...
Page 13: ...Quick Reference Guide Page 13 Power Lines Schematic Control Lines Schematic ...