Service" Navigation - York J Series Manual

Menu Navigation and Display Descriptions

"SERVICE" NAVIGATION

The Service key will move the display to the first display
item of the Service function group. The Service func-
tion group of display items will give access to service
related information. The Service Function group of
display items will be primarily view only.
The following parameter types can be changed. All
others are display only.
• Four/six compressor runtimes and compressor starts
• Supply Fan and Exhaust Fan runtimes
When the Service key is pressed, the following is
displayed:
*** SERVICE ***
Sys 1 Comp Runtimes
Comp A = 347.1 hrs
Comp B = 368.7 hrs
Display shows accumulated compressor run time.
Line 2 Sys X Comp Runtimes
Line 3 Comp A = XXXXX.X hrs
Line 4 Comp B = XXXXX.X hrs
Display repeats for compressor systems 1, 2, and 3. If
the unit is configured as a 4 compressor unit, Display
3 (Sys 3 Comp Runtimes) will show N/A for both
compressors.
*** SERVICE ***
Sys 1 Comp Starts
Comp A = 756
Comp B = 685
Display shows the number of starts on each compressor.
Line 2 Sys X Comp Starts
Line 3 Comp A = XXXXXX
Line 4 Comp B = XXXXXX
Display repeats for compressor systems 1, 2 & 3. If the
unit is configured as a 4 compressor unit, Display 3 (Sys
3 Comp starts) will show N/A for both compressors.
48
This display shows accumulated fan run times for the
supply and exhaust fans.
*** SERVICE ***
Fan Runtimes
Supply = 1258.3 hrs
Exhaust = 948.2 hrs
Line 2 Fan Runtimes
Line 3 Supply = XXXXX.X hrs
Line 4 Exhaust= XXXXX.X hrs
This display shows the lockout status of cooling or
heating as compared to the "lockout" setpoints under
the Unit Setup key.
*** SERVICE ***
OAT Lockouts
Cooling = NO
Heating = NO
Line 2 OAT Lockouts
Line 3 Cooling = NO (YES)
Line 4 Heating = NO (YES)
This display indicates whether the economizer (if
applicable) is active, as compared to the setpoint pro-
grammed under the Outside Air Enthalpy setpoint under
the "Setpoint" key.
*** SERVICE ***
Economizer Activity
Active = NO
SAT Setpt = 60°F
Line 2 Economizer Activity
Line 3 Active = NO (YES)
Line 4 SAT Setpt = XX°F
• Active = NO: Economizer installed, enabled and
conditions are not suitable.
• Active = YES: Economizer installed, enabled and
conditions are suitable.
FORM 100.50-NOM7 (808)
JOHNSON CONTROLS