Periodic Inspection Items - Toshiba HWS-P805XWHM3-E Service Manual

14

Periodic inspection items

For a long-term safe operation of this equipment, perform periodic inspection and parts replacement.
<Inspection items>
Hydro unit
(HWS-P805**-E, P1105**-E)
1. Insulation measurement (Power source circuit /
Heater circuit)
2. Power source measurement (No-load voltage)
3. Operation check
4. Refrigerant leakage / Water leakage inspection
5. Water heat exchanger inspection (Internal dirt and
clogging)
6. Inlet / Outlet water temperature measurement
7. Circulation pump inspection
8. Air vent valve inspection
9. Expansion vessel
10. Heater assembly
11. Flow switch
12. Manometer
13. Safety valve
14. Water heat exchanger control board, Terminal block
Outdoor unit
(HWS-P805HR-E, P1105HR-E)
1. Insulation measurement (Power source circuit /
Compressor)
2. Power source measurement (No-load voltage / Rated
operation)
3. Operation frequency (Outdoor unit operation check)
4. Refrigerant leakage inspection
5. Air heat exchanger inspection (Dirt and clogging)
6. Fan inspection (Scratch, damage)
7. Cycle parts
(Compressor, 4-way valve, Pulse motor valve)
8. Inverter control board, Terminal block
Hot water cylinder
(HWS-150CSHM3-E(-UK),
210CSHM3-E(-UK), 300CSHM3-E(-UK))
1. Insulation measurement (Power source circuit)
2. Power source measurement (No-load voltage)
3. Water leakage inspection
4. Terminal block
5. Heater assembly
6. Temperature, Pressure relief valve (Specification for
UK only)
Frequency
Annually Insulation measurement with a mega tester
Annually Electronic voltage measurement: 220-230 V ±10%
Annually Hot water supply / Heating / *-Cooling operation check with
remote controller
Annually Visual inspection and check with a leak tester: No leakage
must be found
Annually Checking for water dirtiness in a closed cycle, Cleaning
Annually Temperature measurement: Temperature measurement
during an operation
Annually No leakage or abnormal noise must be found (Replacement
every 10 years: Charged)
Annually Water leakage, Air vent
Annually Visual check for charge pressure abnormality, water
leakage, or corrosion
Annually Check for appearance damage, deformation, or loose
terminal
Annually Operation check while running
Annually Water leakage, water pressure check
Annually Water leakage, Appearance check, Drainage check
Annually Check for loose connector and connecting terminal
Frequency
Annually Insulation measurement with a mega tester
Annually Electronic voltage measurement:
220-230 V ±10% (Single phase type)
Annually Frequency check by rated operation (See 10-13)
Annually Visual inspection and check connection with a leak tester:
No leakage must be found
Annually Visual inspection, Clear clogging
Annually Check for scratches or damages to the fan or abnormal
motor sound
Annually Operation check by trial run
Annually
Annually Check for loose connector and connecting terminal
Frequency
Annually Insulation measurement with a mega tester
Annually Electronic voltage measurement: 220-230 V ±10%
Annually Visual inspection for leakage: No leakage must be found
Annually Check for loose connector and connecting terminal
Annually Check for appearance damage, deformation, or loose
terminal
Annually Drainage check
174
Periodic inspection details
Periodic inspection details
Periodic inspection details