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| STRIP |
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| BLOWER | HI/LO SPEED |
| HIGH | BLOWER |
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| RELAY | RELAY |
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ON/OFF |
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| N | UNIT PUMP |
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SWITCH |
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| SPEED |
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X1 | INTERGRATED |
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| BOX DEPICTS |
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| CONTROL |
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| OPTIONAL ITEMS |
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| F2 |
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| BLOWER RELAY |
| LOW VOLTAGE | SWITCH STATES MAY VARY FROM THOSE SHOWN ON DIAGRAMS DEPENDING UPON WHETHER UTILITIES ARE CONNECTED OR A FAULT CONDITION IS PRESENT. SEE WIRING DIAGRAM FOR ADDITIONAL NOTES. | WATER OR ELECTRICITY) CONNECTED TO THE UNIT. AS SUCH, ACTUAL | WHERE POSSIBLE, SWITCHES ARE SHOWN WITHOUT UTILITIES (GAS, |
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| 3.15A |
| HI/LO SPEED RELAY |
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| 120 VAC |
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| UNIT PUMP RELAY |
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| 5A |
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| TERMINAL | TERMINAL |
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| RECIRC |
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| STRIP |
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| DHW PUMP |
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| RELAY |
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| STAGE 1 HSI | (BOILER) |
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| 5A |
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| F6 |
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| 5A |
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| CHASSIS |
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| Installation | ||||||
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CIRCUIT BREAKER OR FUSE |
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| & |
| CIRCUIT BREAKER |
| TRANSFORMER |
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| Operation | |||
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| INTERGRATED CONTROL BOARD |
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| STAGE 1 GAS VALVE |
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| STAGE 2 GAS VALVE |
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| Manual | |||
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| STAGE 3 GAS VALVE |
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MANUAL RESET |
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| STAGE 4 GAS VALVE |
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HIGH LIMIT |
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