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YORK INTERNATIONAL
74
FORM 160.55-O1 (604)
OPERATIONS SCREEN
OVERVIEW
This screen allows deÞ nition of general pa ram e ters hav-
ing to do with the operation of the chiller.
DISPLAY ONLY
Chiller Run Time
(Flash memory Card version C.MLM.02.01 or later)
Displays the amount of time the chiller has been run ning
since the last start signal was received. Value is reset to
zero when the chiller enters Coastdown. It re mains at
zero while shutdown and during “System Prelube”.
PROGRAMMABLE
Control Source
Access Level Required: OP ER A TOR
DeÞ ne whether the control of the chiller will be Local,
Digital Remote, Analog Remote, Modem Remote or
ISN Re mote.
Number of Starts
Access Level Required: ADMIN
Displays the number of the starts the chiller has ini ti at ed.
This may be reprogrammed to a desired value, (gen er al ly
when this value has been reset due to a Microboard re-
placement), but should not be done so ar bi trari ly.
Operating Hours
Access Level Required: ADMIN
Displays the total accumulated run time of the chiller.
This may be reprogrammed to a desired value (gen er al ly
when this value has been reset due to a Microboard re-
placement), but should not be done so arbitrarily.
Hot Gas Bypass (Enabled/Disabled)
Access level required: SERVICE
Enables and dis ables the hot gas bypass feature.
Refrigerant Level Control (Enabled/Disabled)
Access Level Required: SERVICE
Enables and Disables the Refrigerant Level Control
feature.
Service Phone Numbers
(Flash Memory Card version C.MLM.02.02.xxx
and later)
Access Level Required: SERVICE
Displays up to two service phone numbers. The Re gion al
service phone number is displayed as the Þ rst number.
Although the label and number can be changed appro-
priately, the default for this entry is “York Intl North
American Toll Free Number 1-800-861-1001”. The
Local service phone number is displayed as the second
number. Although blank by default, the appropriate la bel
and number can be entered by a Service Tech ni cian. Ser-
vice Tech ni cians refer to Service Manual 160.55-M1.
00479VIP
FIG. 32
OptiView Control Center