– 4 –
Hydro Unit
Installation Manual
2
ACCESSORY PARTS
3
PREPARATIONS FOR INSTALLATION
Parts required to connect this product (Common items)
Options required for each function
No
Parts
name Quantity
No
Parts
name Quantity
1
Installation manual (this document)
1
3
Insulator for cooling
1
2
Owner’s manual
1
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 23.
Hot water supply
Hot water cylinder
Motorized 3-way valve
Earth leakage breaker
Refer to “Control parts
specifications” on page 23.
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 23.
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.
Interlocking with
booster heater
Output control
board kit (1)
TBC-PCIN3E
Electric heater
Other power supply.
Signal 230 V input function
is required for booster
heater
3-EN
Summary of Contents for ESTIA HWS-1402XWHM3-E
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