L7224A,C; L7248A,C,L OIL ELECTRONIC AQUASTAT® CONTROLLERS
OUTDOOR | DOMESTIC HOT |
RESET MODULE | WATER MODULE |
1 2 3 OT OT |
| 1 2 3 TS TS | |
| RELAY PANEL | ||
| C7089U |
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OUTDOOR |
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| TEMPERATURE |
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| R7184 |
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| T | LIMIT | 1 | (HOT) L2 |
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ENVIRACOM™ | BURNER | BURNER |
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TERMINAL |
| MOTOR |
| MOTOR | SENSOR |
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| IGNITOR | 3 | IGNITOR |
| ZR | LINE |
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| LINE | L1 |
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| VALVE |
| VALVE | VOLTAGE | L2 |
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| CIRCULATOR |
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TO REMOTE |
| CAD | CAD |
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ALARM |
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| CELL | CELL |
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CIRCUIT |
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| JUNCTION |
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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.
7OPTIONAL DOMESTIC HOT WATER MODULE.
8WIRE ONLY THE ENVIRACOM TERMINALS (1, 2, 3) ON OIL PRIMARY IF CONNECTING TO REMOTE DIAGNOSTICS, OTHERWISE CONNECT A JUMPER BETWEEN THE TT TERMINALS.
9ZONE PANEL TERMINALS MAY HAVE DIFFERENT LABEL. CHECK PANEL MANUFACTURER SPECIFICATIONS FOR WIRING INSTRUCTIONS.
M32024
Fig. 12. L7224/L7248 multizone system with Outdoor Reset and Domestic Hot Water Modules (indirect tank
applications).
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