Raypak Y-200 User Manual
Page 24
24
System monitor:
1
1
R
O
T
I
N
O
M
M
E
T
S
Y
S
M
A
S
T
E
R
P
B
S
S
S
B
S
S
S
A
A
A
Screen number
This screen is only a display.
Total # of stages available is set on screen 24.
P=
SYSTEM PUMP MODULE
Rule: Always on before boiler. Always off after last boiler off + programmed delay.
P is relay #1 as supplied.
B=
INDICATES BOILER - 1st Stage
Rule: Always B before S
S=
INDICATES BOILER STAGE - 2nd Stage and Subsequent Stages
Rule: Must have "B" for that boiler ON and prior stages ON for that boiler.
A=
AUXILIARY RELAY MODULE
Optional:
A1 - User-defined function. (e.g. powered louvers, boiler pump, draft fan)
A2 - User-defined function. (e.g. alarm light)
A3 - User-defined function. (e.g. alarm bell)
Table I: Definitions
O
U
T
D
O
O
R
W
A
T
E
R
T
A
R
1
2
X
X
X
.
X
X
X
X
.
X
X
X
X
.
X
Screen number
Current outdoor air
temperature
Displays 000.0
if no sensor is
present
Current System
Water Temperature
Target temperature
System design temperature
If system has reached "Outdoor
Cut-off" temp [TAR=O]
System Pump:
"NO SCREEN"
The System Pump Relay works in conjunction with the "OUTDOOR CUT-OFF TEMPERATURE".
System Temperatures: