User manual

Heat
load
Static
relay
10
11
OP2
14
2 - Electrical connections
Relay output
• SPST Relay N.O., 2A/250 V
~
for resistive load, fuse 2A~ T
Triac output
• N.O. contact for resistive load of
up to 1A/250 V~max, fuse 1A ~T
SSR drive output not isolated
• 0…5V–, ±20%, 30 mA max
2.3.4-A SINGLE ACTION
RELAY (TRIAC)
CONTROL OUTPUT
B
2.3.4-B SINGLE ACTION
SSR DRIVE CONTROL
OUTPUT
B
2.3.4-C DOUBLE ACTION
RELAY (TRIAC)/RELAY (TRIAC) CONTROL OUTPUT
B
2.3.4-D DOUBLE ACTION
RELAY (TRIAC)/SSR DRIVE CONTROL OUTPUT
B
2.3.4-E DOUBLE ACTION
SSR DRIVE/RELAY (TRIAC) CONTROL OUTPUT
B
Load
Static
relay
10
11
OP2
Fuse
Coil of the
heat load
contactor
3
4
OP1
Fuse
Coil of the
heat load
contactor
3
4
OP1
Fuse
Coil of the
heat load
contactor
3
4
OP1
Fuse
Coil of the
cool load
contactor
13
14
OP3
Fuse
Coil of the
cool load
contactor
13
14
OP3
Cool
load
Static
relay
10
11
OP2
Varistor for
inductive load
24V
~ only
Varistor for
inductive load
24V
~ only
Varistor for
inductive load
24V
~ only
Varistor for
inductive load
24V
~ only