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7. HYDRO UNIT INSTALLATION MANUAL
Engineering Data Book
3
PREPARATIONS FOR INSTALLATION
Parts required to connect this product (Common items)
Options required for each function
Optional Parts
Use specified products for the outdoor unit, Hydro Unit, and hot water cylinder.
Do not use commercially available products.
Use parts that conform to prescribed specifications for parts to be connected to the Hydro Unit.
If unspecified products or parts are used, a malfunction, failure or fire may be caused.
Category
Part
Specification
Quantity
Water piping
Strainer (water filter)
1 1/4" 30 to 40 meshes
1
Drain cock
(for water charge)
1
Isolating ball valves
1 1/4"
for service 1 1/4"
2
Electrical system
Earth leakage breaker for main power supply
30 mA
1
Earth leakage breaker for backup heater
30 mA
1
(Option)
Earth leakage breaker for hot water cylinder
heater
30 mA
1
Purpose
In the Hydro Unit
Purchased part
Part name
Model name
Part name
Prescribed specification
Heating
–
–
Radiator(s), Fan coil(s), Under
floor heating
Heating &Cooling (all
rooms)
–
–
Fan coil(s)
Heating & Cooling
(partly heating only)
–
–
Motorized 2-way valve (for
cooling)
Refer to “Control parts
specifications” on page 105.
Hot water supply
Hot water cylinder
Motorized 3-way valve
Earth leakage breaker
Refer to “Control parts
specifications” on page 105.
150 L
HWS-1501CSHM3-E
HWS-1501CSHM3-UK
210 L
HWS-2101CSHM3-E
HWS-2101CSHM3-UK
300 L
HWS-3001CSHM3-E
HWS-3001CSHM3-UK
2-zone control
–
–
Motorized mixing valve
Refer to “Control parts
specifications” on page 105.
Circulator pump
Other power supply
Buffer tank
Interlocking with boiler
Output control board
kit (1)
TBC-PCIN3E
Boiler
Other power supply.
Signal 12 V input function is
required for boiler.
No.
Part name
Model name
Application
Remarks
1
External output board
TCB-PCIN3E
Boiler-linked output, Alarm output
Up to two boards (according to
applications)
Defrost signal output, compressor operation signal
output
2
External input board
TCB-PCMO3E
Cooling/heating thermostat input
Up to two boards (according to
applications)
Emergency stop signal input.
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 ...