Control Panel Power Supply; Programmed Options; Programmed Settings; Time And Date - York YGWH 115 Installation, Commissioning & Operation

Form 6S6I-B01C-EOMA-EN (0318)

Control Panel Power Supply

Confirm the control panel is powered on and the LCD
screen can display normally.

Programmed Options

Make sure all the options programmed into the panel are
in accordance with the customers order requirements.

Programmed Settings

Make sure all the setpoints are in accordance with the
operating requirements. Water temperature should be
set according to the unit type and operating conditions.

Time and Date

Set the time/date using the Setting page.

Start-up/Stop Programming

Set the Start/Stop timers, schedule days, special days,
alternate day and holidays via the Schedule page.

Setpoints

Set the setpoints and control range of the chilled/hot
liquid.
The chiller is now ready to work.

First Time Start-Up

During the commissioning period there should
be sufficient heat load to run the unit under
stable full load operation to enable the unit
controls, and system operation to be set up
correctly, and a commissioning log taken. Be
sure that the operating instructions in section
6 have been fully understood and the System
Start-up Checklist is completed.
Start-up
Press the ON/OFF key on the
and there may be a few seconds delay before the
compressor starts because of the anti-recycle timer.
Be ready to push the Emergency Switch immediately
if any unusual noises or other adverse conditions
appear during the compressor starting.
Oil Pressure
When a compressor starts, inspect the running
OptiView™ LT panel
information from the
that oil pressure develops immediately. If oil pressure
does not develop, the automatic controls will shut down
the compressor. Under no circumstances should a
restart attempt be made on a compressor, which can
not develop oil pressure immediately.
5-2
OptiView™ LT panel
,
, and verify
EN