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Lennox KCC092S4 User Manual

Lennox KCC092S4
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Page 33
B-Refrigerant Charge and Check - Fin/Tube Coil
ξ˜ͺξ˜ƒ ξ˜ξ˜ƒ ξ˜§ξ™’ξ˜ƒ ξ™‘ξ™’ξ™—ξ˜ƒ ξ™ˆξ™›ξ™†ξ™ˆξ™ˆξ™‡ξ˜ƒ ξ™‘ξ™„ξ™ξ™ˆξ™“ξ™ξ™„ξ™—ξ™ˆξ˜ƒ ξ™†ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ˜ƒ ξ™˜ξ™‘ξ™‡ξ™ˆξ™•ξ˜ƒ
any condition.
ξ˜·ξ™‹ξ™Œξ™–ξ˜ƒξ™˜ξ™‘ξ™Œξ™—ξ˜ƒξ™Œξ™–ξ˜ƒξ™‰ξ™„ξ™†ξ™—ξ™’ξ™•ξ™œξ˜ƒξ™†ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ™‡ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™–ξ™‹ξ™’ξ™˜ξ™ξ™‡ξ˜ƒξ™•ξ™ˆξ™”ξ™˜ξ™Œξ™•ξ™ˆξ˜ƒξ™‘ξ™’ξ˜ƒξ™‰ξ™˜ξ™•ξ™—ξ™‹ξ™ˆξ™•ξ˜ƒ
ξ™„ξ™‡ξ™ξ™˜ξ™–ξ™—ξ™ξ™ˆξ™‘ξ™—ξ˜‘ξ˜ƒ ξ˜¬ξ™‰ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™œξ™–ξ™—ξ™ˆξ™ξ˜ƒ ξ™•ξ™ˆξ™”ξ™˜ξ™Œξ™•ξ™ˆξ™–ξ˜ƒ ξ™„ξ™‡ξ™‡ξ™Œξ™—ξ™Œξ™’ξ™‘ξ™„ξ™ξ˜ƒ ξ™•ξ™ˆξ™‰ξ™•ξ™Œξ™Šξ™ˆξ™•ξ™„ξ™‘ξ™—ξ˜ξ˜ƒ
ξ™•ξ™ˆξ™†ξ™ξ™„ξ™Œξ™ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™†ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ˜ξ˜ƒξ™ˆξ™™ξ™„ξ™†ξ™˜ξ™„ξ™—ξ™ˆξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™œξ™–ξ™—ξ™ˆξ™ξ˜ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™„ξ™‡ξ™‡ξ˜ƒξ™•ξ™ˆξ™”ξ™˜ξ™Œξ™•ξ™ˆξ™‡ξ˜ƒ
nameplate charge.
NOTE - System charging is not recommended below 60Β°F
(15Β°C). In temperatures below 60Β°F (15Β°C) , the charge
must be weighed into the system.
ξ˜¬ξ™‰ξ˜ƒ ξ™šξ™ˆξ™Œξ™Šξ™‹ξ™Œξ™‘ξ™Šξ˜ƒ ξ™‰ξ™„ξ™†ξ™Œξ™ξ™Œξ™—ξ™Œξ™ˆξ™–ξ˜ƒ ξ™„ξ™•ξ™ˆξ˜ƒ ξ™‘ξ™’ξ™—ξ˜ƒ ξ™„ξ™™ξ™„ξ™Œξ™ξ™„ξ™…ξ™ξ™ˆξ˜ξ˜ƒ ξ™’ξ™•ξ˜ƒ ξ™—ξ™’ξ˜ƒ ξ™†ξ™‹ξ™ˆξ™†ξ™Žξ˜ƒ ξ™—ξ™‹ξ™ˆξ˜ƒ
ξ™†ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ˜ξ˜ƒξ™˜ξ™–ξ™ˆξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™‰ξ™’ξ™ξ™ξ™’ξ™šξ™Œξ™‘ξ™Šξ˜ƒξ™“ξ™•ξ™’ξ™†ξ™ˆξ™‡ξ™˜ξ™•ξ™ˆξ˜
IMPORTANT - Charge unit in standard cooling mode.
ξ˜”ξ˜ƒξ˜ξ˜ƒ ξ˜€ξ™—ξ™—ξ™„ξ™†ξ™‹ξ˜ƒξ™Šξ™„ξ™˜ξ™Šξ™ˆξ˜ƒξ™ξ™„ξ™‘ξ™Œξ™‰ξ™’ξ™ξ™‡ξ™–ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™ˆξ˜ƒξ™˜ξ™‘ξ™Œξ™—ξ˜ƒξ™Œξ™‘ξ˜ƒξ™†ξ™’ξ™’ξ™ξ˜
ing mode with economizer disabled until system
ξ™–ξ™—ξ™„ξ™…ξ™Œξ™ξ™Œξ™ξ™ˆξ™–ξ˜ƒξ˜‹ξ™„ξ™“ξ™“ξ™•ξ™’ξ™›ξ™Œξ™ξ™„ξ™—ξ™ˆξ™ξ™œξ˜ƒξšΏξ™™ξ™ˆξ˜ƒξ™ξ™Œξ™‘ξ™˜ξ™—ξ™ˆξ™–ξ˜Œξ˜‘ξ˜ƒξ˜°ξ™„ξ™Žξ™ˆξ˜ƒξ™–ξ™˜ξ™•ξ™ˆξ˜ƒ
outdoor air dampers are closed.
ξ˜•ξ˜ƒξ˜ξ˜ƒ Check each system separately with all stages
operating.
ξ˜–ξ˜ƒξ˜ξ˜ƒ Use a thermometer to accurately measure the out
door ambient temperature.
ξ˜—ξ˜ƒξ˜ξ˜ƒ Apply the outdoor temperature to TABLE 10 to
TABLE 13 to determine normal operating pressures.
ξ˜³ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ™–ξ˜ƒξ™„ξ™•ξ™ˆξ˜ƒξ™ξ™Œξ™–ξ™—ξ™ˆξ™‡ξ˜ƒξ™‰ξ™’ξ™•ξ˜ƒξ™–ξ™ˆξ™„ξ˜ƒξ™ξ™ˆξ™™ξ™ˆξ™ξ˜ƒξ™„ξ™“ξ™“ξ™ξ™Œξ™†ξ™„ξ™—ξ™Œξ™’ξ™‘ξ™–ξ˜ƒξ™„ξ™—ξ˜ƒ
ξ˜›ξ˜“ξšƒξ˜©ξ˜ƒξ™‡ξ™•ξ™œξ˜ƒξ™…ξ™˜ξ™ξ™…ξ˜ƒξ™„ξ™‘ξ™‡ξ˜ƒξ˜™ξ˜šξšƒξ˜©ξ˜ƒξ™šξ™ˆξ™—ξ˜ƒξ™…ξ™˜ξ™ξ™…ξ˜ƒξ™•ξ™ˆξ™—ξ™˜ξ™•ξ™‘ξ˜ƒξ™„ξ™Œξ™•ξ˜‘
ξ˜˜ξ˜ƒξ˜ξ˜ƒ Compare the normal operating pressures to the
ξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ™–ξ˜ƒξ™’ξ™…ξ™—ξ™„ξ™Œξ™‘ξ™ˆξ™‡ξ˜ƒξ™‰ξ™•ξ™’ξ™ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™Šξ™„ξ™˜ξ™Šξ™ˆξ™–ξ˜‘ξ˜ƒξ˜°ξ™Œξ™‘ξ™’ξ™•ξ˜ƒξ™™ξ™„ξ™•ξ™Œξ™„ξ˜
ξ™—ξ™Œξ™’ξ™‘ξ™–ξ˜ƒξ™Œξ™‘ξ˜ƒξ™—ξ™‹ξ™ˆξ™–ξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ™–ξ˜ƒξ™ξ™„ξ™œξ˜ƒξ™…ξ™ˆξ˜ƒξ™ˆξ™›ξ™“ξ™ˆξ™†ξ™—ξ™ˆξ™‡ξ˜ƒξ™‡ξ™˜ξ™ˆξ˜ƒξ™—ξ™’ξ˜ƒ
ξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™†ξ™ˆξ™–ξ˜ƒξ™Œξ™‘ξ˜ƒξ™Œξ™‘ξ™–ξ™—ξ™„ξ™ξ™ξ™„ξ™—ξ™Œξ™’ξ™‘ξ™–ξ˜‘ξ˜ƒξ˜Άξ™Œξ™Šξ™‘ξ™ŒξšΏξ™†ξ™„ξ™‘ξ™—ξ˜ƒξ™‡ξ™Œσ°€¨ξ™ˆξ™•ξ™ˆξ™‘ξ™†ξ™ˆξ™–ξ˜ƒ
could mean that the system is not properly charged
ξ™’ξ™•ξ˜ƒξ™—ξ™‹ξ™„ξ™—ξ˜ƒξ™„ξ˜ƒξ™“ξ™•ξ™’ξ™…ξ™ξ™ˆξ™ξ˜ƒξ™ˆξ™›ξ™Œξ™–ξ™—ξ™–ξ˜ƒξ™šξ™Œξ™—ξ™‹ξ˜ƒξ™–ξ™’ξ™ξ™ˆξ˜ƒξ™†ξ™’ξ™ξ™“ξ™’ξ™‘ξ™ˆξ™‘ξ™—ξ˜ƒξ™Œξ™‘ξ˜ƒ
the system. Correct any system problems before
proceeding.
ξ˜™ξ˜ƒξ˜ξ˜ƒ ξ˜¬ξ™‰ξ˜ƒξ™‡ξ™Œξ™–ξ™†ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™Œξ™–ξ˜ƒξ™‹ξ™Œξ™Šξ™‹ξ˜ξ˜ƒξ™•ξ™ˆξ™ξ™’ξ™™ξ™ˆξ˜ƒξ™•ξ™ˆξ™‰ξ™•ξ™Œξ™Šξ™ˆξ™•ξ™„ξ™‘ξ™—ξ˜ƒ
ξ™‰ξ™•ξ™’ξ™ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™œξ™–ξ™—ξ™ˆξ™ξ˜‘ξ˜ƒξ˜¬ξ™‰ξ˜ƒξ™‡ξ™Œξ™–ξ™†ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ˜ƒξ™Œξ™–ξ˜ƒξ™ξ™’ξ™šξ˜ξ˜ƒξ™„ξ™‡ξ™‡ξ˜ƒ
ξ™•ξ™ˆξ™‰ξ™•ξ™Œξ™Šξ™ˆξ™•ξ™„ξ™‘ξ™—ξ˜ƒξ™—ξ™’ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™œξ™–ξ™—ξ™ˆξ™ξ˜‘
β€’ Add or remove charge in increments.
β€’ ξ˜€ξ™ξ™ξ™’ξ™šξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™œξ™–ξ™—ξ™ˆξ™ξ˜ƒξ™—ξ™’ξ˜ƒξ™–ξ™—ξ™„ξ™…ξ™Œξ™ξ™Œξ™ξ™ˆξ˜ƒξ™ˆξ™„ξ™†ξ™‹ξ˜ƒξ™—ξ™Œξ™ξ™ˆξ˜ƒξ™•ξ™ˆξ™‰ξ™•ξ™Œξ™Šξ™ˆξ™•ξ˜
ant is added or removed.
ξ˜šξ˜ƒξ˜ξ˜ƒ ξ˜Έξ™–ξ™ˆξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™‰ξ™’ξ™ξ™ξ™’ξ™šξ™Œξ™‘ξ™Šξ˜ƒξ™„ξ™“ξ™“ξ™•ξ™’ξ™„ξ™†ξ™‹ξ˜ƒξ™ξ™ˆξ™—ξ™‹ξ™’ξ™‡ξ˜ƒξ™„ξ™ξ™’ξ™‘ξ™Šξ˜ƒξ™šξ™Œξ™—ξ™‹ξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒ
ξ™‘ξ™’ξ™•ξ™ξ™„ξ™ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™‘ξ™Šξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ™–ξ˜ƒξ™—ξ™’ξ˜ƒξ™†ξ™’ξ™‘ξšΏξ™•ξ™ξ˜ƒξ™•ξ™ˆξ™„ξ™‡ξ™Œξ™‘ξ™Šξ™–ξ˜‘
TABLE 10 581129-01
KGC/KCC092S Fin/Tube - W & W/O Reheat
Outdoor
Coil
Entering
Air Temp
CIRCUIT 1 CIRCUIT 2
Discharge
+ 10 psig
Suction
+ 5 psig
Discharge
+ 10 psig
Suction
+ 5 psig
ξ˜™ξ˜˜ξšƒξ˜© 270 128 ξ˜•ξ˜˜ξ˜˜ 140
ξ˜šξ˜˜ξšƒξ˜© 310 131 ξ˜•ξ˜œξ˜˜ 146
ξ˜›ξ˜˜ξšƒξ˜© ξ˜–ξ˜˜ξ˜• 133 338 ξ˜”ξ˜˜ξ˜”
ξ˜œξ˜˜ξšƒξ˜© 401 136 388 ξ˜”ξ˜˜ξ˜˜
ξ˜”ξ˜“ξ˜˜ξšƒξ˜© ξ˜—ξ˜˜ξ˜– 140 433 160
ξ˜”ξ˜”ξ˜˜ξšƒξ˜© ξ˜˜ξ˜”ξ˜” ξ˜”ξ˜—ξ˜˜ 488 162
TABLE 11 581130-01
KGC/KCC102S Fin/Tube - W & W/O Reheat
Outdoor
Coil
Entering
Air Temp
CIRCUIT 1 CIRCUIT 2
Discharge
+ 10 psig
Suction
+ 5 psig
Discharge
+ 10 psig
Suction
+ 5 psig
ξ˜™ξ˜˜ξšƒξ˜© ξ˜•ξ˜™ξ˜œ 128 276 138
ξ˜šξ˜˜ξšƒξ˜© 308 132 314 142
ξ˜›ξ˜˜ξšƒξ˜© ξ˜–ξ˜˜ξ˜“ ξ˜”ξ˜–ξ˜˜ ξ˜–ξ˜˜ξ˜œ 146
ξ˜œξ˜˜ξšƒξ˜© ξ˜–ξ˜œξ˜™ ξ˜”ξ˜–ξ˜œ 407 ξ˜”ξ˜—ξ˜œ
ξ˜”ξ˜“ξ˜˜ξšƒξ˜© 447 141 ξ˜—ξ˜˜ξ˜› ξ˜”ξ˜˜ξ˜•
ξ˜”ξ˜”ξ˜˜ξšƒξ˜© ξ˜˜ξ˜“ξ˜• 146 ξ˜˜ξ˜”ξ˜– ξ˜”ξ˜˜ξ˜™
TABLE 12 581131-01
KGC/KCC120S Fin/Tube - W & W/O Reheat
Outdoor
Coil
Entering
Air Temp
CIRCUIT 1 CIRCUIT 2
Discharge
+ 10 psig
Suction +
5 psig
Discharge
+ 10 psig
Suction +
5 psig
ξ˜™ξ˜˜ξšƒξ˜© 263 ξ˜”ξ˜•ξ˜˜ 262 132
ξ˜šξ˜˜ξšƒξ˜© 301 ξ˜”ξ˜•ξ˜˜ 304 140
ξ˜›ξ˜˜ξšƒξ˜© 341 123 348 146
ξ˜œξ˜˜ξšƒξ˜© 386 ξ˜”ξ˜•ξ˜˜ ξ˜–ξ˜œξ˜— ξ˜”ξ˜˜ξ˜•
ξ˜”ξ˜“ξ˜˜ξšƒξ˜© 440 130 447 ξ˜”ξ˜˜ξ˜™
ξ˜”ξ˜”ξ˜˜ξšƒξ˜© ξ˜—ξ˜œξ˜• ξ˜”ξ˜–ξ˜œ ξ˜—ξ˜œξ˜œ ξ˜”ξ˜˜ξ˜›
TABLE 13 581132-01
KGC/KCC150S Fin/Tube - W & W/O Reheat
Outdoor
Coil
Entering
Air Temp
CIRCUIT 1 CIRCUIT 2
Discharge
+ 10 psig
Suction +
5 psig
Discharge
+ 10 psig
Suction +
5 psig
ξ˜™ξ˜˜ξšƒξ˜© 281 121 283 137
ξ˜šξ˜˜ξšƒξ˜© 320 ξ˜”ξ˜•ξ˜˜ ξ˜–ξ˜•ξ˜˜ 141
ξ˜›ξ˜˜ξšƒξ˜© 364 ξ˜”ξ˜•ξ˜œ 370 143
ξ˜œξ˜˜ξšƒξ˜© 407 132 ξ˜—ξ˜”ξ˜˜ ξ˜”ξ˜—ξ˜˜
ξ˜”ξ˜“ξ˜˜ξšƒξ˜© ξ˜—ξ˜˜ξ˜™ ξ˜”ξ˜–ξ˜˜ 464 148
ξ˜”ξ˜”ξ˜˜ξ˜ƒξšƒξ˜© ξ˜˜ξ˜“ξ˜› ξ˜”ξ˜–ξ˜œ ξ˜˜ξ˜”ξ˜š ξ˜”ξ˜˜ξ˜”
ξ˜¦ξ™‹ξ™„ξ™•ξ™Šξ™ˆξ˜ƒξ˜Ήξ™ˆξ™•ξ™ŒξšΏξ™†ξ™„ξ™—ξ™Œξ™’ξ™‘ξ˜ƒξ˜ξ˜ƒξ˜€ξ™“ξ™“ξ™•ξ™’ξ™„ξ™†ξ™‹ξ˜ƒξ˜°ξ™ˆξ™—ξ™‹ξ™’ξ™‡ξ˜ƒξ˜ξ˜ƒξ˜€ξ˜«ξ˜΅ξ˜¬ξ˜ƒξ˜·ξ™ˆξ™–ξ™—ξ™Œξ™‘ξ™Šξ˜ƒ
(Fin/Tube Coil Continued)
ξ˜”ξ˜ƒξ˜ξ˜ƒ ξ˜Έξ™–ξ™Œξ™‘ξ™Šξ˜ƒξ™—ξ™‹ξ™ˆξ˜ƒξ™–ξ™„ξ™ξ™ˆξ˜ƒξ™—ξ™‹ξ™ˆξ™•ξ™ξ™’ξ™ξ™ˆξ™—ξ™ˆξ™•ξ˜ξ˜ƒξ™†ξ™’ξ™ξ™“ξ™„ξ™•ξ™ˆξ˜ƒξ™ξ™Œξ™”ξ™˜ξ™Œξ™‡ξ˜ƒξ™—ξ™ˆξ™ξ˜
perature to outdoor ambient temperature.
ξ˜€ξ™“ξ™“ξ™•ξ™’ξ™„ξ™†ξ™‹ξ˜ƒ ξ˜·ξ™ˆξ™ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™˜ξ™•ξ™ˆξ˜ƒ ξ˜ ξ˜ƒ ξ˜―ξ™Œξ™”ξ™˜ξ™Œξ™‡ξ˜ƒ ξ™—ξ™ˆξ™ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™˜ξ™•ξ™ˆξ˜ƒ ξ˜‹ξ™„ξ™—ξ˜ƒ
ξ™†ξ™’ξ™‘ξ™‡ξ™ˆξ™‘ξ™–ξ™ˆξ™•ξ˜ƒξ™’ξ™˜ξ™—ξ™ξ™ˆξ™—ξ˜Œξ˜ƒξ™ξ™Œξ™‘ξ™˜ξ™–ξ˜ƒξ™„ξ™ξ™…ξ™Œξ™ˆξ™‘ξ™—ξ˜ƒξ™—ξ™ˆξ™ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™˜ξ™•ξ™ˆξ˜‘
ξ˜•ξ˜ƒξ˜ξ˜ƒ Approach temperature should match values in
TABLE 14. An approach temperature greater than
value shown indicates an undercharge. An approach
temperature less than value shown indicates an
overcharge.
ξ˜–ξ˜ƒξ˜ξ˜ƒ ξ˜·ξ™‹ξ™ˆξ˜ƒξ™„ξ™“ξ™“ξ™•ξ™’ξ™„ξ™†ξ™‹ξ˜ƒξ™ξ™ˆξ™—ξ™‹ξ™’ξ™‡ξ˜ƒξ™Œξ™–ξ˜ƒξ™‘ξ™’ξ™—ξ˜ƒξ™™ξ™„ξ™ξ™Œξ™‡ξ˜ƒξ™‰ξ™’ξ™•ξ˜ƒξ™Šξ™•ξ™’ξ™–ξ™–ξ™ξ™œξ˜ƒξ™’ξ™™ξ™ˆξ™•ξ˜ƒ
or undercharged systems. Use TABLE 10 to TABLE
ξ˜”ξ˜–ξ˜ƒξ™„ξ™–ξ˜ƒξ™„ξ˜ƒξ™Šξ™˜ξ™Œξ™‡ξ™ˆξ˜ƒξ™‰ξ™’ξ™•ξ˜ƒξ™—ξ™œξ™“ξ™Œξ™†ξ™„ξ™ξ˜ƒξ™’ξ™“ξ™ˆξ™•ξ™„ξ™—ξ™Œξ™‘ξ™Šξ˜ƒξ™“ξ™•ξ™ˆξ™–ξ™–ξ™˜ξ™•ξ™ˆξ™–ξ˜‘

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Lennox KCC092S4 Specifications

General IconGeneral
BrandLennox
ModelKCC092S4
CategoryAir Conditioner
LanguageEnglish

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