Toshiba Estia RUA-CP1701H, Руководство по обслуживанию

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Monobloc Outdoor Unit Service Manual
26
Legend for Water system diagrams:
HYDRONIC COMPONENTS SYSTEM COMPONENTS
1 Mesh filter 13 Pocket for temperature sensor
2 On/off valve (water filling - optional) 14 Air purge
3 Pressure reducer (water filling - optional) 15 Flexible connections
4 Water drain valve 16 On/off valve
5 Paddle flow switch 17
Water flow control valve (factory supplied only
with hydronic module option but to be installed
on site)
6 Expansion tank 18
Bypass valve for anti-freeze protection (when,
in winter, on/off valve are closed)
7 Safety valve 19
Mesh filter (mandatory for a unit without
hydronic kit)
8 Pump 20 Pressure gauge
9 Temperature sensor 21 Water drain valve from the plant
10 Brazed Plate Heat Exchanger 22
Water drain valve from refrigerant – water
exchanger
11 Anti-freeze electric heater 23 Charge valve
12 Temperature sensor 24 Buffer tank (if required)
Components provided with unit
Note: The unit must be protected against frost
Glycol Anti-Freeze
Glycol
% Inhibited Ethylene Glycol
10% 20% 30% 40%
Freezing temperature * (°C) -4 -9 -15 -23
Correction
factors
Capacity 0.996 0.991 0.983 0.974
Absorbed power 0.990 0.978 0.964 0.951
Loss of head 1.003 1.010 1.020 1.033
* Temperature values are indicative.
Always refer to the temperature specification for the specific Glycol.