Quick Reference Guide - Page 18
3-way mixing valve connection
Required Actuator Specification
Electrical Specification:230 V; 50 Hz; <100 mA
The 3-way mixing valve is used to achieve the temperature differential needed in a 2-zone heating
system.
• Connect the 3-way mixing valve in accordance with the diagrams below:-
Hot water cylinder connection (optional)
• Please refer to “Electrical supply/cable specifications” for fuse/cable size and for
connection details.
Electrical Connection (Hot Water Cylinder Electric Heater)
• The electric heater, incorporated in the hot water cylinder, requires a separate supply to Hydro
Unit.
• Connect the hot water cylinder heater electrical supply in accordance with shown below:
Live conductor: Terminal L on Terminal Block 03
Neutral conductor: Terminal N on Terminal Block 03
Earth Conductor: Earth terminal on Terminal Block 03
• Connect the hot water cylinder heater to the Hydro Unit as shown below:
Live conductor to hot water cylinder: Terminal 1 on Terminal Block 03
Neutral conductor to hot water cylinder: Terminal 2 on Terminal Block 03
Earth conductor to hot water cylinder: Earth terminal on Terminal Block 03
Electrical Connection (Hot Water Cylinder temperature Sensor)
• Connect the hot water cylinder temperature sensor as shown below to terminals A & B on
Terminal Block 06 in the Hydro Unit.
• Please ensure that the interconnecting cable, between the Hydro Unit and the hot water cylinder,
is connected to earth at both ends of the cable using the shield wire.
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 ...