L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT® CONTROLLERS
ELL=OFF
TO ADDITIONAL R845A
RELAYS FOR OTHER ZONESZONE 2
CIRCULATOR
L1 | 1 |
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(HOT) | L2 |
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| R845A RELAY ZONE 2 | |
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| ZONE 2 |
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| LOW VOLTAGE |
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| THERMOSTAT | LOW VOLTAGE |
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| 2 | THERMOSTAT |
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| L7248L |
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| T |
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| T | 3 |
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LINE |
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VOLTAGE | L2 |
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CIRCULATOR |
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| LINE |
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OIL BURNER |
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| RELAY |
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| ZC |
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1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED.
3OPTIONAL OUTDOOR RESET MODULE AND OUTDOOR SENSOR.
4ENVIRACOM TERMINALS.
5OPTIONAL DOMESTIC HOT WATER MODULE AND TEMPERATURE SENSOR.
ENVIRACOM
TERMINALS 4
1 2 3 OT OT |
3 |
C7089U1006
OUTDOOR
SENSOR
DOMESTIC HOT 5 WATER MODULE
1 2 3 TS TS
TEMPERATURE SENSOR
M29655
Fig. 11. L7248L multizone system with circulator connections.
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