Delta F-25 - Manual (Page 39)

External Wiring
To ELITE
"Room Thermostat"
Snap Set
H H
High Voltage
120
V.A.C.
24
V.A.C.
Room
Thermostat
Room
Thermostat
Zone 1
Zone 2
Additional zones
Additional zones may
be added as shown above
Transformer
(Power)
Zone
Valve
Zone Valve
* Isolation relay
1
C
34
4 Wire Zone Valve
Fig. 18: Multiple Zone Field Wiring Using Zone Valves
3 Wire Zone Valve
*Use isolation relay on 3-wire
zone valve with non-isolated
end switch. Transformer and
the ELITE control can burn out
if isolation relay is not used.
High Voltage V.A.C.
24
V.A.C.
Room
Thermostat
Room
Thermostat
Zone 1
Zone 2
Additional zones
Additional zones may
be added as shown above
To ELITE
"Room Thermostat"
Snap Set
Transformer
(Power)
Zone
Valve
Zone Valve
C 1