Raypak Y-200 User Manual
Page 27
27
I
N
L
E
T
O
U
T
L
E
T
D
E
L
T
A
1
7
X
X
X
.
X
X
X
X
.
X
X
X
X
.
X
Screen number
Current boiler inlet or system
temperature*
Current boiler outlet or system
temperature*
Boiler or System delta.*
A
U
T
O
L
E
A
D
—
—
L
A
S
T
1
8
1
0
0
—
0
4
4
#
X
X
#
X
X
Screen number
Run time
If manual lead
change hours
Lead boiler
Last boiler
Auto or Manual
(Displayed in manual)
This screen is only a display.
System Temperatures:
These screen parameters are only available if the inlet and outlet sensors have been installed and selected. See
screen 24.
NOTE: 1. These values are currently reserved for
viewing actual and delta temperatures. 2. If the
sensors are not selected or used, dashes (-) will be
displayed.
Lead Change Time:
for manual Only:
Lead Change Hours
Designated lead boiler will change when remaining hours reaches 0. Range 0-999 hours. Default value is 100
hours. If set at 0 hours lead will not change. Hours remaining will automatically total. Enter the desired number
of hours for the lead boiler operation before change. Hours remaining are automatically calculated.
for Auto Only:
On multiple boiler systems and on each new firing cycle, the lead boiler will change. If a "Last Boiler" is select-
ed, it will always be the last boiler to be called for during a heating cycle.