57(65)
6.
Maintenance and Repair
Pay attention to the following rules during maintenance:
1) Please reduce the temperature to room temperature (below50
℃
), cut off
power supply and drain oil and water first while inspecting the machine; carry
out operations with safety gloves on after complete confirmation of spaces for
inspection and maintenance.
2) It is necessary to carry out periodic inspections in order to prolong service life
of the system and prevent from safety accidents.
(Please note that it is dangerous to check or tear down the machine during
operation.)
6.1 Open the Covers
1) Open the top covers of the unit. (Refer to the pictures below)
Picture 6-1
:
Open the Covers 1
Summary of Contents for STM-1220-PW
Page 1: ...STM PW Series Hi Temp Water Heater Date Dec 2014 Version Ver B English ...
Page 2: ......
Page 25: ...25 65 2 3 2 Control Circuit STM PW 400V Picture 2 6 Control Circuit STM PW 400V ...
Page 29: ...29 65 2 3 5 Main Circuit STM PW 230V Picture 2 8 Main Circuit STM PW 230V ...
Page 30: ...30 65 2 3 6 Control Circuit STM PW 230V Picture 2 9 Control Circuit STM PW 230V ...
Page 62: ...62 65 ...