Rehau PD1 Instructions Manual page 19

Wiring Examples
Typical
Powered Relay
1
T
2
T
L N
Stage 1
Stage 2
Zone
Zone
Pump
Valve
24V (ac)
Class II
Transformer
Stage 1
Zone
Pump
Stage 1
Zone
Pump
(3 of 3)
Two Stage with Zone Pump and Zone Valve
5
6
7
8
M
No Power
1 2 3 4
R C S1
Com
Typical
Powered Relay
1
T
2
T
L
N
Stage 2
Zone
Pump
Unpowered Relay
3 2
4 1
5 8
6
7
Stage 2
Zone
Pump
Unpowered Relay
Stage 1
Zone
Pump
ON
1 2
Typical
Powered Relay
1
T
2
T
L
N
24V (ac)
Class II
Transformer
Unpowered Relay
3 2
4 1
5 8
6
7
24V (ac)
Class II
Transformer
Page 19 of 19
Two Stage Zone Pump and Zone Valve
3 2
4 1
5 8
6
7
Stage 2
Zone
1 2
Valve
24V (ac) R C
Class II
M
Transformer
Two Stage with Zone Pumps
5
6
7
8
No Power
1 2 3 4
R C S1
Com
Two Stage with Zone Pumps
5
6
7
8
No Power
1 2 3 4
R C S1
Com
5
6
7
8
No Power
3 4
ON
S1
Com
1 2
ON
1 2
ON
1 2