Raypak Y-200 User Manual
Page 30
30
master Unit:
4
2
R
E
T
S
A
M
S
N
S
:
X
R
E
L
A
Y
:
X
A
U
X
:
X
Screen number
0, 1, 2 or 4
Number of temp. sensors.
1 thru 8
Number of staging contacts in
use. See screen 25.
0, 1, 2 or 3
Number of auxiliary boards
in use.
If SNS:0
This unit is a slave unit (No sensors required or active)
If SNS:1
Water (System) - Turn outdoor reset ratio to "NONE" on screen 06.
If SNS:2
Water & Outdoor (Activates outdoor reset function on screens 6, 9 and 10.)
If SNS:4
Water, Outdoor, Inlet, Outlet (Activates screen 17.)
This screen limits the programmable parameters available to the user. The information provided is determined
by boiler and control construction.
Total no.
of stages
Relay
boards
sensors
Relay
boards
sensors
Relay
boards
sensors
Relay
boards
sensors
01 - 04
1
*
05 - 08
1 & 2
*
09 - 12
1 & 2
*
1
13 - 16
1 & 2
*
1 & 2
17 - 20
1 & 2
*
1 & 2
1
21 - 24
1 & 2
*
1 & 2
1 & 2
25 - 28
1 & 2
*
1 & 2
1 & 2
1
29 - 32
1 & 2
*
1 & 2
1 & 2
1 & 2
33 - 36
1 & 2
*
1 & 2
1 & 2
1 & 2
37 - 40
1 & 2
*
1 & 2
1 & 2
1 & 2
none
none
none
Master unit
Slave 1
Slave 2
Stave 3
Stage/Sensor Connections for Y-200 master/Slave Systems
* As required for the installation. See above section.
Table K: Connections for Master/Slave Systems
NOTE: The unit with sensors installed is identified
as the master unit.
NOTE: The maximum is 4 sensors and 4 slave
controllers.