16
Switching Relay Wiring Diagrams
Switching Relay R8845U or SR 501
Switching Relay SR-502 or SR-503
L o w V oltage
120 V olts
L1
L2
C OM
N.O .
A
B
W( T )
R( T )
T
T
T
1
2
4
5
6
R8845U Rela y
SR 501 Rela y
B oiler
C onnec tions
L1 N eutr al
120 v
L2 H ot
C
T
C ir cula t or
3
T emperature
Differential
P ump/T T
24v
LED
flashing green = calling for heat
solid green = at temperature
red = error
20 °
15 °
10 °
5 °
160 °
150 °
140 °
130 °
120 °
1 10 °
P r ob e
Z ONE 1
Z ONE 2
Z ONE 3
FUSE 1 AMP
Z ONE 1
Z ONE 2
Z ONE 3
PO WER
Z ONE 1
Z ONE 2
N
P Z C H X1
X2
ZR
C OM / 24 V A C
W a t er H ea t er C ir cula t or
T emperature
Differential
P ump/T T
24v
LED
flashing green = calling for heat
solid green = at temperature
red = error
20 °
15 °
10 °
5 °
160 °
150 °
140 °
130 °
120 °
1 10 °
P r ob e
Содержание Link NY119SL
Страница 10: ...10 TPI CONTROL DIAGRAM 1 Indicating Light Temperature Adjust Differential Adjust TPI CONTROL DIAGRAM 2 Screw A...
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