Robertshaw Deluxe Programmable - Manual (Page 17)

300-226
Y1
G
24 VAC
Transformer
Line
Voltage
Note 1
LED1
LED2
RS2
RS1
RS+V
W1 W1
Y1
G
R
24V
24V(c)
O
B
4 min. (on/off) 2 min. (on/off)
Unlocked Locked
Standard Add-on
*Not used must be OFF Not used*
Led #1 with filter symbol Led #1 only
Led #2 with fault symbol Led #2 only
2
1
3
4
5
6
O
B
Remove connection if
separate transformer used
WIRING DIAGRAM – 300-226
17
Note 1: If jumper is removed, the R
terminal may be used to accommodate
independent switching circuits.
Note 2: This thermostat may be used
with 24 Volt DC. The negative side of the
DC supply must be wired to the 24V (C)
terminal.
* Important: Switch #4 must be left in OFF position