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

Models: HWS-1402XWHT9-E HWS-1402XWHM3-E HWS-1402XWHT6-E HWS-1501CSHM3-E(-UK) HWS-1402H-E HWS-2101CSHM3-E(-UK) HWS-3001CSHM3-E(-UK) HWS-802XWHM3-E HWS-802H-E HWS-802XWHT6-E

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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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Toshiba HWS-1402H-E, HWS-802XWHT6-E, HWS-802H-E, HWS-802XWHM3-E service manual 12Periodic Inspection Items, <Inspection items>