TROUBLE SHOOTING GUIDE (CONT.)
PROBLEM | CAUSE | SOLUTION |
Insufficient hot | Aquastat setting too | Adjust aquastat to higher |
water | low | setting. See Section VII |
| Undersized boiler | Rewire for priority |
| with no priority to |
|
| domestic hot water |
|
| Peak use of hot | Determine peak usage and |
| water is greater than | compare to tank capacity |
| tank storage |
|
| capacity |
|
| Faulty tank aquastat | Replace aquastat |
Boiler cycles | Excessive demand | Reduce demand or |
more than 5 |
| consider larger tank |
times per day in | Faulty aquastat | Replace aquastat |
summer | Boiler high limit set | Increase boiler high limit |
| too low | setting |
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