GOLD CGs — User’s Information Manual
Common problems and solutions
Symptom | Common Causes | Possible Corrections |
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Rapid cycling — boiler | Thermostat installed where drafts | Locate thermostat on inner wall away from |
turns on and off frequently | or heat affect reading | heat sources or cool drafts. |
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| Heat anticipator in thermostat | Adjust thermostat per manufacturer’s |
| adjusted incorrectly | instructions. |
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| Incorrect limit setting | Set limit according to system needs. |
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| Maximum setting is 220˚F. Increase limit |
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| setting to decrease cycling. |
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| Insufficient water flow through | Check all valves to and from boiler. Return |
| boiler | to proper setting. |
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| Confirm circulator size. |
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Frequent release of water | Expansion tank sized too small | Call qualified service technician to check |
through relief valve |
| expansion tank operation and size. |
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| Flooded expansion tank | Call qualified service technician to check |
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| expansion tank operation. |
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| Inoperative limit control | Call qualified service technician to replace |
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| limit control. |
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Need to frequently add | Leaks in boiler or piping | Have qualified service technician repair |
makeup water |
| leaks at once to avoid constant use of |
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| makeup water. Makeup water can cause |
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| mineral deposits which, in turn, can cause |
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| boiler section failure. Do not use petroleum- |
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| base |
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Black water condition | Oxygen corrosion due to leaks in | Have qualified service technician repair at |
| boiler and piping | once. Keep pH of water between 7.0 to 8.5. |
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14 | Part No. |
