172-65627M-09 (SQ10) 18 Oct 2021
48
Installation Check List
Situation
Item
Description
Before
commissioning
The unit and its
surroundings
Have all packed items been included?
Has the unit been installed securely and stably?
Has sufficient space required for inspection and
repair been provided?
Has all the necessary piping been connected?
Electrical wiring
work
Has the unit been connected to the power
supply voltage (100 or 200 V AC) according to
specifications?
(The unit can be used at 50 Hz or 60 Hz)
Has the designated electrical wiring work been
done?
Checking each
part before
commissioning
Have bolts and plugs been securely tightened?
Have the necessary valves been opened?
Have the air supply to the control valve
positioner and the steam supply reached the
required pressure?
After
commissioning
Initial blowdown
Has initial blowdown been conducted?
Commissioning
Has the water temperature stabilized after start-
up? Does the unit repeatedly start and stop
operation?
Leakage from
each part
Have there been any leaks from any area of the
unit?
Abnormal sounds/
vibrations
Does the unit vibrate, or has there been a
sound of 80 dB or more?
Circulating pump
operation
Have the solenoid valve and circulating pump
operated normally? (When the cooling
circulation unit (optional) is installed.)
Preventative
measures against
freezing
Have any measures been taken for prevention
of damage due to freezing if the unit is not
used immediately after installation?
Explanation to the
customer
Have instructions for safe use been given to the
customer?