Toshiba HWS-1402H-E, HWS-802XWHT6-E, HWS-802H-E 12Periodic Inspection Items, Inspection items, 154

12Periodic Inspection Items

For a long-term safe operation of this equipment, perform periodic inspection and parts replacement.

<Inspection items>

Hydro unit	Frequency	Periodic inspection details
(HWS-802**-E, 1402**-E)
1. Insulation measurement (Power source circuit/ Heater	Annually	Insulation measurement with a mega tester
circuit)
2. Power source measurement (No-load voltage)	Annually	Electronic voltage measurement: 230V ±23V
3. Operation check	Annually	Hot water supply/ Heating/ Cooling operation check with
		remote controller
4. Refrigerant leakage/ Water leakage inspection	Annually	Visual inspection and check with a leak tester: No leakage
		must be found
5. Water heat exchanger inspection (Internal dirt and	Annually	Checking for water dirtiness in a closed cycle, Cleaning
clogging)
6. Inlet/ Outlet water temperature measurement	Annually	Temperature measurement: Temperature measurement
		during an operation
7. Circulation pump inspection	Annually	No leakage or abnormal noise must be found (Replacement
		every 10 years: Charged)
8. Air vent valve inspection	Annually	Water leakage, Air vent
9. Expansion vessel	Annually	Visual check for charge pressure abnormality, water
		leakage, or corrosion
10. Heater assembly	Annually	Check for appearance damage, deformation, or loose
		terminal
11. Flow switch	Annually	Operation check while running
12. Manometer	Annually	Water leakage, water pressure check
13. Safety valve	Annually	Water leakage, Appearance check, Drainage check
14. Water heat exchanger control board, Terminal block	Annually	Check for loose connector and connecting terminal
Outdoor unit	Frequency	Periodic inspection details
(HWS-802H-E, 1102H-E, 1402H-E)
1. Insulation measurement (Power source circuit/	Annually	Insulation measurement with a mega tester
Compressor)
2. Power source measurement (No-load voltage/ Rated	Annually	Electronic voltage measurement: 230V ±23V
operation)
3. Operation frequency (Outdoor unit operation check)	Annually	Frequency check by rated operation (See 10-13)
4. Refrigerant leakage inspection	Annually	Visual inspection and check connection with a leak tester:
		No leakage must be found
5. Air heat exchanger inspection (Dirt and clogging)	Annually	Visual inspection, Clear clogging
6. Fan inspection (Scratch, damage)	Annually	Check for scratches or damages to the fan or abnormal
		motor sound
7. Cycle parts	Annually	Operation check by trial run
(Compressor, 4-way valve, Pulse motor valve)	Annually
8. Inverter control board, Terminal block	Annually	Check for loose connector and connecting terminal
Hot water cylinder
(HWS-150CSHM3-E(-UK),	Frequency	Periodic inspection details
210CSHM3-E(-UK), 300CSHM3-E(-UK))
1. Insulation measurement (Power source circuit)	Annually	Insulation measurement with a mega tester
2. Power source measurement (No-load voltage)	Annually	Electronic voltage measurement: 230V ±23V
3. Water leakage inspection	Annually	Visual inspection for leakage: No leakage must be found
4. Terminal block	Annually	Check for loose connector and connecting terminal
5. Heater assembly	Annually	Check for appearance damage, deformation, or loose
		terminal
6. Temperature, Pressure relief valve (Specification for	Annually	Drainage check
UK only)

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