4.HYDRO UNIT
Engineering Data book
24
4
3-way valve (diverter) connection
Required Valve Specification:
Electrical Specification: 230 V; 50 Hz; <100 mA
Valve Diameters: Port A, Port B: Ø 1 1/4"
Return Mechanism: 3 types of 3-way valve (diverter) can be used.
Set the 3-way valve in use with the DIP switch SW13-1 on the Hydro Unit board.
SW13-1
Type 1
2-wire spring return
OFF
Type 2
3-wire SPST
OFF
Type 3
3-wire SPDT
ON
7
8
9
7
8
9
7
8
9
Type 1: SPRING RETURN
Type 2: SPST
Type 3: SPDT
port “A” to Hot water
cylinder
port “AB” to
Hydro unit
port “B” to Room heating or
cooling
port “A” open
port “A” to Hot water
cylinder
port “AB” to
Hydro unit
port “B” to Room heating or
cooling
port “A”
close
open
port “A” to Hot water
cylinder
port “AB” to
Hydro unit
port “B” to Room heating or
cooling
port “A”
close
open
Hydro Unit
TB 05
Hydro Unit
TB 05
Hydro Unit
TB 05
Summary of Contents for ESTIA HWS-1501CSHM3-E
Page 3: ...2 1 INTRODUCTION ...
Page 7: ...6 2 SYSTEM OVERVIEW ...
Page 11: ...10 3 SYSTEM SPECIFICATION ...
Page 60: ...59 5 OUTDOOR UNIT ...
Page 79: ...78 6 HOT WATER CYLINDER ...
Page 85: ...84 7 HYDRO UNIT INSTALLATION MANUAL ...
Page 132: ... 131 7 HYDRO UNIT INSTALLATION MANUAL Engineering Data Book MEMO ...
Page 133: ...132 8 OUTDOOR UNIT INSTALLATION MANUAL ...
Page 162: ... 161 8 OUTDOOR UNIT INSTALLATION MANUAL Engineering Data book MEMO ...
Page 163: ...162 9 OWNER S MANUAL ...
Page 179: ...Air to Water Heat Pump Engineering Data Book Oct 2010 ...