TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS
Table 4. Main Installer Setup Menu. (Continued)
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| Factory Setting |
| Other Choices |
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| Installer |
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Select | Setup | Option | Description | Options | Description | Comments |
Number | ||||||
Cycles per | 0220 | 3 | Compressor Stage | — | ||
hour (cph) for |
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| 1 cycles per hour |
| 3 is recommended. |
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1st Stage |
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| (cph) |
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Compressor |
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Cycles per | 0240 | 5 | Conventional Heat | Not shown if | ||
hour (cph) for |
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| Stage 1 cycles per |
| settings: | system selection |
1st Stage |
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| hour (cph) |
| is heat pump. | |
Conventional |
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| gravity system. | Selection in this |
Heat |
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| stage changes | |
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| systems or high efficiency | default cph for |
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| (90% or better) fossil fuel | 2nd stage heat. |
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| forcedairsystems. |
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| fossil fuel forced air |
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| systems. |
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| forced air heat systems. |
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Continuous | 0280 | 0 | Backlight not on | 1 | Backlight is on continuously | Option is always |
Backlight |
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| continuously. |
| (thermostat must have a | shown; however, |
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| Thermostat |
| common wire attached for | continuously on |
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| backlight comes on |
| this function). | backlight works |
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| with each key |
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| only if thermostat |
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| press. |
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| is wired with 24 |
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Additional | 0290 | 0 | Only main menu | 1,2 | The majority of | |
Menu Choices |
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| options are shown. |
| Settings are shown plus | application |
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| Installer Test |
| Installer Test (Tables 5 and 7 | require only the |
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| Options shown next |
| only). | Main Menu |
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| (Table 7). |
| Options. | |
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| Options shown plus Installer |
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| Test (Tables 5, 6 and 7). |
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8 |