RESIDENTIAL GAS AND ELECTRIC WATER HEATER
SERVICE HANDBOOK
Residential Electric – continued
Cold tank of water
•Single Electrical Service
•Single Phase
Prior to 1996
Fused Disconnect
Power Enters
Terminal 1 Of Upper
High Limit And Terminal
3 Of Upper Thermostat
Upper High Limit 1, 2 Is Closed
Upper Thermostat 3, 4 Is Open
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| Upper Thermostat 1, 2 Is Closed | |||||||
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| Upper Element Is On | |||||||
No Power |
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To Lower |
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High Limit |
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Term 1 |
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| Top 1/3 Of Tank Is Heated |
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| Upper Thermostat 1, 2 Opens, |
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| 3, 4 Closes |
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| Power From Upper Thermostat 1 |
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| To Lower High Limit 1. |
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| Lower High Limit |
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| 1, 2 Is Closed |
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Terminal 3 Of Upper
High Limit And Term 3
Of Lower High Limit
Upper High Limit 3, 4
Is Closed
Lower High Limit 3, 4
Is Closed
Lower Thermostat 1, 2 Is Closed
Lower Element Heats Bottom 2/3 Of Tank
A.O. Smith Water Products Company | 26 | Training Department | |
©2002 | Ashland City, Tennessee | ||
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