Toshiba HWS-1405XWHM3-E, Installation Manual

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Hydro Unit
Installation Manual
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
(8,14 kW) (4.5 kW)
Water piping
Strainer (water filter) 1 1/4" 30 to 40 meshes 1" 30 to 40 meshes 1
Drain cock (for water charge) 1
Isolating ball valves
1 1/4"
for service 1 1/4"
1"
for service 1"
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 22.
Hot water supply
Hot water cylinder
Motorized 3-way valve
Earth leakage breaker
Refer to “Control parts
specifications” on page 22.
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 22.
Circulator pump Other power supply
Buffer tank
Interlocking with boiler Output control board
kit (1)
TCB-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.
5-EN