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Lennox ML193UH090XE48C - Page 15

Lennox ML193UH090XE48C
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ξ˜³ξ™„ξ™Šξ™ˆξ˜ƒξ˜”ξ˜˜
7. Combustion Air Inducer & Cold End Header Box
ξ˜€ξ™ξ™ξ˜ƒ ξ˜°ξ˜―ξ˜”ξ˜œξ˜–ξ˜Έξ˜«ξ˜¨ξ˜ƒ ξ™˜ξ™‘ξ™Œξ™—ξ™–ξ˜ƒ ξ™˜ξ™–ξ™ˆξ˜ƒ ξ™„ξ˜ƒ ξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒ ξ™„ξ™Œξ™•ξ˜ƒ ξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒ ξ˜‹ξ˜₯ξ˜™ξ˜Œξ˜ƒ
ξ™—ξ™’ξ˜ƒ ξ™ξ™’ξ™™ξ™ˆξ˜ƒ ξ™„ξ™Œξ™•ξ˜ƒ ξ™—ξ™‹ξ™•ξ™’ξ™˜ξ™Šξ™‹ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™…ξ™˜ξ™•ξ™‘ξ™ˆξ™•ξ™–ξ˜ƒ ξ™„ξ™‘ξ™‡ξ˜ƒ ξ™‹ξ™ˆξ™„ξ™—ξ˜ƒ ξ™ˆξ™›ξ™†ξ™‹ξ™„ξ™‘ξ™Šξ™ˆξ™•ξ˜ƒ
ξ™‡ξ™˜ξ™•ξ™Œξ™‘ξ™Šξ˜ƒξ™‹ξ™ˆξ™„ξ™—ξ™Œξ™‘ξ™Šξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™’ξ™‘ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒξ™…ξ™ξ™’ξ™šξ™ˆξ™•ξ˜ƒξ™˜ξ™–ξ™ˆξ™–ξ˜ƒξ™„ξ˜ƒξ™–ξ™‹ξ™„ξ™‡ξ™ˆξ™‡ξ˜ƒξ™“ξ™’ξ™ξ™ˆξ˜ƒ
ξ˜”ξ˜•ξ˜“ξ˜Ήξ˜€ξ˜¦ξ˜ƒξ™ξ™’ξ™—ξ™’ξ™•ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒξ™ξ™’ξ™—ξ™’ξ™•ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™ˆξ™–ξ˜ƒξ™‡ξ™˜ξ™•ξ™Œξ™‘ξ™Šξ˜ƒξ™„ξ™ξ™ξ˜ƒξ™‹ξ™ˆξ™„ξ™—ξ™Œξ™‘ξ™Šξ˜ƒξ™’ξ™“-
ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™Œξ™–ξ˜ƒξ™†ξ™’ξ™‘ξ™—ξ™•ξ™’ξ™ξ™ξ™ˆξ™‡ξ˜ƒξ™…ξ™œξ˜ƒξ™Œξ™‘ξ™—ξ™ˆξ™Šξ™•ξ™„ξ™—ξ™ˆξ™‡ξ˜ƒξ™†ξ™’ξ™‘ξ™—ξ™•ξ™’ξ™ξ˜ƒξ˜€ξ˜œξ˜•ξ˜‘ξ˜ƒξ˜₯ξ™ξ™’ξ™šξ™ˆξ™•ξ˜ƒ
ξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™ˆξ™–ξ˜ƒξ™†ξ™’ξ™‘ξ™—ξ™Œξ™‘ξ™˜ξ™’ξ™˜ξ™–ξ™ξ™œξ˜ƒ ξ™šξ™‹ξ™Œξ™ξ™ˆξ˜ƒ ξ™—ξ™‹ξ™ˆξ™•ξ™ˆξ˜ƒ ξ™Œξ™–ξ˜ƒ ξ™„ξ˜ƒ ξ™†ξ™„ξ™ξ™ξ˜ƒξ™‰ξ™’ξ™•ξ˜ƒξ™‹ξ™ˆξ™„ξ™—ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒ
ξ™Œξ™‘ξ™—ξ™ˆξ™Šξ™•ξ™„ξ™—ξ™ˆξ™‡ξ˜ƒ ξ™†ξ™’ξ™‘ξ™—ξ™•ξ™’ξ™ξ˜ƒ ξ™šξ™Œξ™ξ™ξ˜ƒ ξ™‘ξ™’ξ™—ξ˜ƒ ξ™“ξ™•ξ™’ξ™†ξ™ˆξ™ˆξ™‡ξ˜ƒ ξ™šξ™Œξ™—ξ™‹ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™Œξ™Šξ™‘ξ™Œξ™—ξ™Œξ™’ξ™‘ξ˜ƒ ξ™–ξ™ˆ-
ξ™”ξ™˜ξ™ˆξ™‘ξ™†ξ™ˆξ˜ƒξ™˜ξ™‘ξ™—ξ™Œξ™ξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒ ξ™„ξ™Œξ™•ξ˜ƒ ξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™Œξ™–ξ˜ƒξ™–ξ™ˆξ™‘ξ™–ξ™ˆξ™‡ξ˜ƒ
ξ™…ξ™œξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™“ξ™•ξ™’ξ™™ξ™Œξ™‘ξ™Šξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ™ˆξ™–ξ˜‘
ξ˜·ξ™‹ξ™ˆξ˜ƒ ξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒ ξ™„ξ™Œξ™•ξ˜ƒ ξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒ ξ™Œξ™–ξ˜ƒ ξ™Œξ™‘ξ™–ξ™—ξ™„ξ™ξ™ξ™ˆξ™‡ξ˜ƒ ξ™’ξ™‘ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™†ξ™’ξ™ξ™‡ξ˜ƒ ξ™ˆξ™‘ξ™‡ξ˜ƒ
ξ™‹ξ™ˆξ™„ξ™‡ξ™ˆξ™•ξ˜ƒ ξ™…ξ™’ξ™›ξ˜‘ξ˜ƒ ξ˜·ξ™‹ξ™ˆξ˜ƒ ξ™†ξ™’ξ™ξ™‡ξ˜ƒ ξ™ˆξ™‘ξ™‡ξ˜ƒ ξ™‹ξ™ˆξ™„ξ™‡ξ™ˆξ™•ξ˜ƒ ξ™…ξ™’ξ™›ξ˜ƒ ξ™Œξ™–ξ˜ƒ ξ™„ξ˜ƒ ξ™–ξ™Œξ™‘ξ™Šξ™ξ™ˆξ˜ƒ ξ™“ξ™Œξ™ˆξ™†ξ™ˆξ˜ƒ
ξ™ξ™„ξ™‡ξ™ˆξ˜ƒ ξ™’ξ™‰ξ˜ƒ ξ™‹ξ™„ξ™•ξ™‡ξ˜ƒ ξ™“ξ™ξ™„ξ™–ξ™—ξ™Œξ™†ξ˜‘ξ˜ƒ ξ˜·ξ™‹ξ™ˆξ˜ƒ ξ™…ξ™’ξ™›ξ˜ƒ ξ™‹ξ™„ξ™–ξ˜ƒ ξ™„ξ™‘ξ˜ƒ ξ™Œξ™‘ξ™—ξ™ˆξ™•ξ™‘ξ™„ξ™ξ˜ƒ ξ™†ξ™‹ξ™„ξ™‘ξ™‘ξ™ˆξ™ξ˜ƒ
ξ™šξ™‹ξ™ˆξ™•ξ™ˆξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™†ξ™•ξ™ˆξ™„ξ™—ξ™ˆξ™–ξ˜ƒξ™‘ξ™ˆξ™Šξ™„ξ™—ξ™Œξ™™ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–-
ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™„ξ™—ξ˜ƒξ™˜ξ™‘ξ™Œξ™—ξ˜ƒξ™–ξ™—ξ™„ξ™•ξ™—ξ˜ƒξ™˜ξ™“ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒξ™†ξ™‹ξ™„ξ™‘ξ™‘ξ™ˆξ™ξ˜ƒξ™†ξ™’ξ™‘ξ™—ξ™„ξ™Œξ™‘ξ™–ξ˜ƒξ™„ξ™‘ξ˜ƒξ™’ξ™•ξ™ŒξšΏξ™†ξ™ˆξ˜ƒξ™˜ξ™–ξ™ˆξ™‡ξ˜ƒ
ξ™—ξ™’ξ˜ƒξ™•ξ™ˆξ™Šξ™˜ξ™ξ™„ξ™—ξ™ˆξ˜ƒξ›€ξ™’ξ™šξ˜ƒξ™†ξ™•ξ™ˆξ™„ξ™—ξ™ˆξ™‡ξ˜ƒξ™…ξ™œξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜‘
ξ˜·ξ™‹ξ™ˆξ˜ƒξ™…ξ™’ξ™›ξ˜ƒξ™‹ξ™„ξ™–ξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™—ξ™„ξ™“ξ™–ξ˜ƒξ™‰ξ™’ξ™•ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†-
ξ™ˆξ™•ξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™‹ξ™’ξ™–ξ™ˆξ™–ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™ξ™ˆξ™„ξ™–ξ™˜ξ™•ξ™ˆξ™–ξ˜ƒ
ξ™—ξ™‹ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™„ξ™†ξ™•ξ™’ξ™–ξ™–ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™’ξ™•ξ™ŒξšΏξ™†ξ™ˆξ˜ƒξ™’ξ™•ξ˜ƒ
ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™†ξ™ˆξ˜ƒ ξ™Œξ™‘ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™†ξ™‹ξ™„ξ™‘ξ™‘ξ™ˆξ™ξ˜ƒ ξ™„ξ™‘ξ™‡ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™…ξ™’ξ™›ξ˜‘ If replacement
is necessary the gaskets used to seal the box to the
vestibule panel and the combustion air inducer to the
box, must also be replaced.
TABLE 6
Unit ξ˜¦ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ˜€ξ™Œξ™•ξ˜ƒξ˜¬ξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ˜²ξ™•ξ™ŒξšΏξ™†ξ™ˆξ˜ƒξ˜Άξ™Œξ™ξ™ˆ
ξ˜ξ˜“ξ˜–ξ˜“ ξ˜“ξ˜‘ξ˜˜ξ˜•ξ˜˜ξš΄
ξ˜ξ˜“ξ˜—ξ˜˜ ξ˜“ξ˜‘ξ˜šξ˜“ξ˜“ξš΄
ξ˜ξ˜“ξ˜šξ˜“ ξ˜”ξ˜‘ξ˜“ξ˜•ξ˜˜ξš΄
ξ˜ξ˜“ξ˜œξ˜“ ξ˜”ξ˜‘ξ˜•ξ˜“ξ˜“ξš΄
ξ˜ξ˜”ξ˜”ξ˜“ ξ˜”ξ˜‘ξ˜—ξ˜“ξ˜™ξš΄
8. Combustion Air Pressure Switch (FIGURE 11)
ξ˜°ξ˜―ξ˜”ξ˜œξ˜–ξ˜Έξ˜«ξ˜¨ξ˜ƒ ξ™–ξ™ˆξ™•ξ™Œξ™ˆξ™–ξ˜ƒ ξ™˜ξ™‘ξ™Œξ™—ξ™–ξ˜ƒ ξ™„ξ™•ξ™ˆξ˜ƒ ξ™ˆξ™”ξ™˜ξ™Œξ™“ξ™“ξ™ˆξ™‡ξ˜ƒ ξ™šξ™Œξ™—ξ™‹ξ˜ƒ ξ™„ξ˜ƒ ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ƒ
ξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™ξ™’ξ™†ξ™„ξ™—ξ™ˆξ™‡ξ˜ƒξ™’ξ™‘ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™‡ξ˜ƒξ™ˆξ™‘ξ™‡ξ˜ƒξ™‹ξ™ˆξ™„ξ™‡ξ™ˆξ™•ξ˜ƒξ™…ξ™’ξ™›ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒ
ξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™ξ™’ξ™‘ξ™Œξ™—ξ™’ξ™•ξ™–ξ˜ƒξ™„ξ™†ξ™•ξ™’ξ™–ξ™–ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™’ξ™•ξ™ŒξšΏξ™†ξ™ˆξ˜ƒ
ξ™—ξ™’ξ˜ƒξ™Œξ™‘ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™“ξ™•ξ™’ξ™“ξ™ˆξ™•ξ˜ƒξ›€ξ™’ξ™šξ˜ƒξ™—ξ™‹ξ™•ξ™’ξ™˜ξ™Šξ™‹ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™‹ξ™ˆξ™„ξ™—ξ˜ƒξ™ˆξ™›ξ™†ξ™‹ξ™„ξ™‘ξ™Šξ™ˆξ™•ξ˜‘
ξ˜·ξ™‹ξ™ˆξ˜ƒ ξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒ ξ™Œξ™–ξ˜ƒ ξ™„ξ˜ƒ ξ˜Άξ˜³ξ˜Άξ˜·ξ˜ƒ ξ˜±ξ˜‘ξ˜²ξ˜‘ξ˜ƒ ξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒ ξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒ ξ™ˆξ™ξ™ˆξ™†ξ™—ξ™•ξ™Œξ™†ξ™„ξ™ξ™ξ™œξ˜ƒ
ξ™†ξ™’ξ™‘ξ™‘ξ™ˆξ™†ξ™—ξ™ˆξ™‡ξ˜ƒ ξ™—ξ™’ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™Œξ™‘ξ™—ξ™ˆξ™Šξ™•ξ™„ξ™—ξ™ˆξ™‡ξ˜ƒ ξ™†ξ™’ξ™‘ξ™—ξ™•ξ™’ξ™ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒ ξ™“ξ™˜ξ™•ξ™“ξ™’ξ™–ξ™ˆξ˜ƒ ξ™’ξ™‰ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ
ξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™Œξ™–ξ˜ƒξ™—ξ™’ξ˜ƒξ™“ξ™•ξ™ˆξ™™ξ™ˆξ™‘ξ™—ξ˜ƒξ™…ξ™˜ξ™•ξ™‘ξ™ˆξ™•ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™Œξ™‰ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒ
ξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™Œξ™–ξ˜ƒξ™‘ξ™’ξ™—ξ˜ƒξ™ξ™’ξ™™ξ™Œξ™‘ξ™Šξ˜ƒξ™ˆξ™‘ξ™’ξ™˜ξ™Šξ™‹ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™‰ξ™’ξ™•ξ˜ƒξ™“ξ™•ξ™’ξ™“ξ™ˆξ™•ξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜‘
ξ˜²ξ™‘ξ˜ƒξ™–ξ™—ξ™„ξ™•ξ™—ξ˜ξ™˜ξ™“ξ˜ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™ξ™’ξ™‘ξ™Œξ™—ξ™’ξ™•ξ™–ξ˜ƒξ™šξ™‹ξ™ˆξ™—ξ™‹ξ™ˆξ™•ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒ
ξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™Œξ™–ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™‘ξ™Šξ˜‘ξ˜ƒξ˜¬ξ™—ξ˜ƒξ™†ξ™ξ™’ξ™–ξ™ˆξ™–ξ˜ƒξ™„ξ˜ƒξ™†ξ™Œξ™•ξ™†ξ™˜ξ™Œξ™—ξ˜ƒξ™—ξ™’ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™Œξ™‘ξ™—ξ™ˆξ™Šξ™•ξ™„ξ™—-
ξ™ˆξ™‡ξ˜ƒ ξ™†ξ™’ξ™‘ξ™—ξ™•ξ™’ξ™ξ˜ƒ ξ™šξ™‹ξ™ˆξ™‘ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™†ξ™ˆξ˜ƒ ξ™Œξ™‘ξ˜ƒ ξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒ ξ™„ξ™†ξ™•ξ™’ξ™–ξ™–ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ
ξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒ ξ™„ξ™Œξ™•ξ˜ƒ ξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒ ξ™’ξ™•ξ™ŒξšΏξ™†ξ™ˆξ˜ƒ ξ™ˆξ™›ξ™†ξ™ˆξ™ˆξ™‡ξ™–ξ˜ƒ ξ™„ξ˜ƒ ξ™‘ξ™’ξ™‘ξ˜ξ™„ξ™‡ξ™ξ™˜ξ™–ξ™—ξ™„ξ™…ξ™ξ™ˆξ˜ƒ
ξ™‰ξ™„ξ™†ξ™—ξ™’ξ™•ξ™œξ˜ƒξ™–ξ™ˆξ™—ξ™—ξ™Œξ™‘ξ™Šξ˜‘ξ˜ƒξ˜¬ξ™‰ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™‡ξ™’ξ™ˆξ™–ξ˜ƒξ™‘ξ™’ξ™—ξ˜ƒξ™–ξ™˜ξ™†ξ™†ξ™ˆξ™–ξ™–ξ™‰ξ™˜ξ™ξ™ξ™œξ˜ƒξ™–ξ™ˆξ™‘ξ™–ξ™ˆξ˜ƒ
ξ™—ξ™‹ξ™ˆξ˜ƒξ™•ξ™ˆξ™”ξ™˜ξ™Œξ™•ξ™ˆξ™‡ξ˜ƒξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™†ξ™„ξ™‘ξ™‘ξ™’ξ™—ξ˜ƒξ™†ξ™ξ™’ξ™–ξ™ˆξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒ
ξ™‰ξ™˜ξ™•ξ™‘ξ™„ξ™†ξ™ˆξ˜ƒξ™†ξ™„ξ™‘ξ™‘ξ™’ξ™—ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™ˆξ˜‘
Pressure Switch
24VAC
TERMINALS
BRACKET
TAP
TAP
FIGURE 11
ξ˜¬ξ™‰ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ›€ξ™˜ξ™ˆξ˜ƒξ™’ξ™•ξ˜ƒξ™„ξ™Œξ™•ξ˜ƒξ™Œξ™‘ξ™ξ™ˆξ™—ξ˜ƒξ™…ξ™ˆξ™†ξ™’ξ™ξ™ˆξ˜ƒξ™’ξ™…ξ™–ξ™—ξ™•ξ™˜ξ™†ξ™—ξ™ˆξ™‡ξ˜ƒξ™‡ξ™˜ξ™•ξ™Œξ™‘ξ™Šξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™’ξ™‘ξ˜ξ˜ƒ
ξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒξ™–ξ™ˆξ™‘ξ™–ξ™ˆξ™–ξ˜ƒξ™„ξ˜ƒξ™ξ™’ξ™–ξ™–ξ˜ƒξ™’ξ™‰ξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™’ξ™“ξ™ˆξ™‘ξ™–ξ˜ƒ
ξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™Œξ™•ξ™†ξ™˜ξ™Œξ™—ξ˜ƒξ™—ξ™’ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™Œξ™‘ξ™—ξ™ˆξ™Šξ™•ξ™„ξ™—ξ™ˆξ™‡ξ˜ƒξ™†ξ™’ξ™‘ξ™—ξ™•ξ™’ξ™ξ˜‘ξ˜ƒξ˜¬ξ™‰ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™’ξ™‘ξ™‡ξ™ˆξ™‘ξ™–ξ™„ξ™—ξ™ˆξ˜ƒξ™ξ™Œξ™‘ξ™ˆξ˜ƒ
ξ™Œξ™–ξ˜ƒξ™…ξ™ξ™’ξ™†ξ™Žξ™ˆξ™‡ξ˜ξ˜ƒξ™šξ™„ξ™—ξ™ˆξ™•ξ˜ƒξ™šξ™Œξ™ξ™ξ˜ƒξ™…ξ™„ξ™†ξ™Žξ˜ƒξ™˜ξ™“ξ˜ƒξ™Œξ™‘ξ™—ξ™’ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™‹ξ™ˆξ™„ξ™‡ξ™ˆξ™•ξ˜ƒξ™…ξ™’ξ™›ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™•ξ™ˆ-
ξ™‡ξ™˜ξ™†ξ™ˆξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ƒξ™„ξ™†ξ™•ξ™’ξ™–ξ™–ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜‘ξ˜ƒξ˜·ξ™‹ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–-
ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒ ξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜ƒ ξ™’ξ™“ξ™ˆξ™‘ξ™–ξ˜ƒ ξ™Œξ™‰ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ƒ ξ™‡ξ™•ξ™’ξ™“ξ™–ξ˜ƒ ξ™…ξ™ˆξ™ξ™’ξ™šξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™–ξ™ˆξ™—ξ˜ƒ
ξ™“ξ™’ξ™Œξ™‘ξ™—ξ˜‘ξ˜ƒξ˜Άξ™ˆξ™ˆξ˜ƒξ˜·ξ˜€ξ˜₯ξ˜―ξ˜¨ξ˜ƒξ˜šξ˜‘
ξ˜¦ξ™‹ξ™ˆξ™†ξ™Žξ™–ξ˜ƒ ξ™’ξ™‰ξ˜ƒ ξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒ ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ƒ ξ™†ξ™„ξ™‘ξ˜ƒ ξ™„ξ™Œξ™‡ξ˜ƒ ξ™Œξ™‘ξ˜ƒ ξ™—ξ™•ξ™’ξ™˜ξ™…ξ™ξ™ˆξ™–ξ™‹ξ™’ξ™’ξ™—-
ξ™Œξ™‘ξ™Šξ˜‘ξ˜ƒ ξ˜Ίξ™‹ξ™ˆξ™‘ξ˜ƒ ξ™ξ™ˆξ™„ξ™–ξ™˜ξ™•ξ™Œξ™‘ξ™Šξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒ ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ξ˜ƒ ξ™•ξ™ˆξ™„ξ™‡ξ™Œξ™‘ξ™Šξ™–ξ˜ƒ
ξ™–ξ™‹ξ™’ξ™˜ξ™ξ™‡ξ˜ƒξ™…ξ™ˆξ˜ƒξ™—ξ™„ξ™Žξ™ˆξ™‘ξ˜ƒξ™„ξ™—ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™–ξ™šξ™Œξ™—ξ™†ξ™‹ξ˜‘ξ˜ƒξ˜Άξ™ˆξ™ˆξ˜ƒξ˜©ξ˜¬ξ˜ͺξ˜Έξ˜΅ξ˜¨ξ˜ƒξ˜”ξ˜•ξ˜ƒ
ξ™„ξ™‘ξ™‡ξ˜ƒξ˜·ξ˜€ξ˜₯ξ˜―ξ˜¨ξ˜ƒξ˜›ξ˜‘ξ˜ƒξ˜―ξ™„ξ™†ξ™Žξ˜ƒξ™’ξ™‰ξ˜ƒξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™—ξ™Œξ™„ξ™ξ˜ƒξ™˜ξ™–ξ™˜ξ™„ξ™ξ™ξ™œξ˜ƒξ™Œξ™‘ξ™‡ξ™Œξ™†ξ™„ξ™—ξ™ˆξ™–ξ˜ƒξ™“ξ™•ξ™’ξ™…-
ξ™ξ™ˆξ™ξ™–ξ˜ƒ ξ™Œξ™‘ξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ ξ™Œξ™‘ξ™—ξ™„ξ™Žξ™ˆξ˜ƒ ξ™’ξ™•ξ˜ƒ ξ™ˆξ™›ξ™‹ξ™„ξ™˜ξ™–ξ™—ξ˜ƒ ξ™“ξ™Œξ™“ξ™Œξ™‘ξ™Šξ˜ξ˜ƒ ξ™…ξ™˜ξ™—ξ˜ƒ ξ™ξ™„ξ™œξ˜ƒ ξ™Œξ™‘ξ™‡ξ™Œξ™†ξ™„ξ™—ξ™ˆξ˜ƒ
ξ™“ξ™•ξ™’ξ™…ξ™ξ™ˆξ™ξ™–ξ˜ƒξ™Œξ™‘ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™‹ξ™ˆξ™„ξ™—ξ˜ƒξ™ˆξ™›ξ™†ξ™‹ξ™„ξ™‘ξ™Šξ™ˆξ™•ξ˜ξ˜ƒξ™†ξ™’ξ™‘ξ™‡ξ™ˆξ™‘ξ™–ξ™Œξ™‘ξ™Šξ˜ƒξ™†ξ™’ξ™Œξ™ξ˜ξ˜ƒξ™‹ξ™ˆξ™„ξ™‡ξ™ˆξ™•ξ˜ƒ
ξ™…ξ™’ξ™›ξ™ˆξ™–ξ˜ξ˜ƒξ™†ξ™’ξ™ξ™…ξ™˜ξ™–ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ™Œξ™‘ξ™‡ξ™˜ξ™†ξ™ˆξ™•ξ˜ƒξ™’ξ™•ξ˜ƒξ™’ξ™—ξ™‹ξ™ˆξ™•ξ˜ƒξ™†ξ™’ξ™ξ™“ξ™’ξ™‘ξ™ˆξ™‘ξ™—ξ™–ξ˜‘
TABLE 7
Unit
ξ˜€ξ™ξ™—ξ™Œξ™—ξ™˜ξ™‡ξ™ˆξ˜ƒξ˜©ξ™—
ξ˜“ξ˜ξ˜—ξ˜˜ξ˜“ξ˜“ ξ˜—ξ˜˜ξ˜“ξ˜”ξ˜ξ˜šξ˜˜ξ˜“ξ˜“ ξ˜šξ˜˜ξ˜“ξ˜”ξ˜ξ˜”ξ˜“ξ˜“ξ˜“ξ˜“
ξ˜Άξ™ˆξ™—ξ˜ƒξ˜³ξ™’ξ™Œξ™‘ξ™—ξ˜ƒξš³ξ™šξ˜‘ξ™†ξ˜‘ ξ˜Άξ™ˆξ™—ξ˜ƒξ˜³ξ™’ξ™Œξ™‘ξ™—ξ˜ƒξš³ξ™šξ˜‘ξ™†ξ˜‘ ξ˜Άξ™ˆξ™—ξ˜ƒξ˜³ξ™’ξ™Œξ™‘ξ™—ξ˜ƒξš³ξ™šξ˜‘ξ™†ξ˜‘
ξ˜ξ˜“ξ˜–ξ˜“
ξ˜ξ˜“ξ˜‘ξ˜™ξ˜˜ ξ˜ξ˜“ξ˜‘ξ˜™ξ˜“ ξ˜ξ˜“ξ˜‘ξ˜˜ξ˜˜
ξ˜ξ˜“ξ˜—ξ˜˜
ξ˜ξ˜“ξ˜šξ˜“
ξ˜ξ˜“ξ˜œξ˜“
ξ˜ξ˜”ξ˜”ξ˜“
*Set point is factory set and non-adjustable.

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