L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT® CONTROLLERS
LINE VOLTAGE | |
OUTDOOR | INDIRECT |
RESET MODULE | TANK AQUASTAT |
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| 3 | 2 | 1 |
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| 1 2 3 OT OT |
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| TH9421C |
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| 6 | C7089U1006 |
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| OUTDOOR |
| INDIRECT | ||
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| SENSOR |
| TANK |
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| CIRCULATOR |
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| R7184 |
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| L1 | 3 | 2 1 |
| L2 |
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| T | LIMIT |
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| 1 | (HOT) L2 |
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| L7224 |
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| T3 |
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| T |
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| T | 3 |
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| 5 |
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ENVIRACOM™ | BURNER |
| BURNER |
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TERMINAL |
| MOTOR |
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| MOTOR |
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| SENSOR |
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| IGNITOR | 3 |
| IGNITOR |
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| 7 | ZR | LINE |
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| 3 |
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| LINE |
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| VALVE |
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| VALVE |
| VOLTAGE |
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| CIRCULATOR |
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| 4 |
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| C2 |
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TO REMOTE |
| CAD | CAD |
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ALARM |
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2 |
| CELL | CELL |
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CIRCUIT |
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| B1 |
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| JUNCTION |
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| ZC |
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| BOX |
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LEGEND |
| SCREW TERMINAL |
| 1/4 IN. (6 MM) QUICK CONNECT TERMINAL |
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SOLDERLESS WIRE CONNECTION
1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2OPTIONAL FEATURE ON SELECT MODELS.
3REFER TO DEVICE LABEL FOR WIRE COLOR CODE.
4VALVE IS OPTIONAL ON SPECIFIED MODELS.
5ENVIRACOM™ TERMINAL 3 IS ALSO THE FIRST THERMOSTAT TERMINAL.
6OPTIONAL OUTDOOR RESET MODULE AND OUTDOOR SENSOR.
7 DUU MUST BE SET TO “ON” ON THE AQUASTAT. | M32025 |
Fig. 10. L7224A,C single zone system with circulator and indirect water tank with EnviraCOM™ thermostat.
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