L7124U UNIVERSAL OIL ELECTRONIC AQUASTAT® CONTROLLER
69-1232—2
4
Fig. 4. L7124U multizone system with circulator connections.
L1
(HOT) L2
1
2
1
4
3
5
6
ZONE 2
LOW VOLTAGE
THERMOSTAT
R845A RELAY ZONE 2
ZONE 2
CIRCULATOR
TO ADDITIONAL R845A
RELAYS FOR OTHER ZONES
LOW
LIMIT
HIGH
LIMIT
DIFF.
SENSOR
PWR
T
L2
T
TSTAT
DSBL
LL
B
B2
B1
C2
ZR
ZC
C1
C
ZC
1
2
M17777
1
1
2
2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
CONTROL CASE MUST BE CONNECTED TO EARTH
GROUND. USE GROUNDING SCREW PROVIDED.
LINE VOLTAGE OIL
BURNER RELAY
LINE VOLTAGE
CIRCULATOR
LOW
VOLTAGE
THERMOSTAT
T1
LEGEND: = LED
SENSOR
L1
F01
Содержание L7124U
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