Honeywell L7224U Manual Del Usaurio página 12

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L7224U OIL AND ELECTRIC BOILER ELECTRONIC AQUASTAT
69-1720EFS—11
TO ADDITIONAL R845A
RELAYS FOR OTHER ZONES
1
L1
(HOT) L2
SENSOR
LINE
VOLTAGE
CIRCULATOR
LINE
VOLTAGE
OIL BURNER
RELAY
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
CONTROL CASE MUST BE CONNECTED TO EARTH GROUND.
USE GROUNDING SCREW PROVIDED.
Fig. 10. L7224U multizone system with circulator connections.
®
CONTROLLER
R845A RELAY ZONE 2
6
5
3
4
1
2
ZONE 2
LOW VOLTAGE
THERMOSTAT
2
L7224
T
T 3
2
1
ZR
L1
L2
C2
B2
C1
B1
ZC
12
ZONE 2
CIRCULATOR
LOW
VOLTAGE
THERMOSTAT
M17777D
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Aquastat l7224u

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