McQuay AGS 225D, Руководство по эксплуатации

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24 OM AGSD-1
Description Default Range PW
Evap pressure offset 0 -10.0 to 10.0 psi M
Cond pressure offset 0 -10.0 to 10.0 psi M
Oil pressure offset 0 -10.0 to 10.0 psi M
Suction temp offset 0 -5.0 to 5.0 deg M
Discharge temp offset
0 -5.0 to 5.0 deg M
Fans
Fan VFD enable On Off, On M
Number of fans 6 6 to 9 M
Saturated Condenser Temp
Target Min
90.0 80.0-110.0
o
F M
Saturated Condenser Temp
Target Max
110.0 90.0-120.0
o
F M
Stage 1 On Deadband 5 1.0-20.0
o
F M
Stage 2 On Deadband 5 1-20
o
F M
Stage 3 On Deadband 8 1-20
o
F M
Stage 4 On Deadband 10 1-20
o
F M
Stage 5 On Deadband 8 1-20
o
F M
Stage 6-8 On Deadband 8 1-20
o
F M
Stage 2 Off Deadband 8 1-20
o
F M
Stage 3 Off Deadband 7 1-20
o
F M
Stage 4 Off Deadband 6 1-20
o
F M
Stage 5 Off Deadband 5 1-20
o
F M
Stage 6-8 Off Deadband 5 1-20
o
F M
VFD Max Speed 100% 90 to 110% M
VFD Min Speed 25% 20 to 60% M
Forced Fantrol 1 2 1 to number of fans M
Forced Fantrol 2 3 1 to number of fans M
Forced Fantrol 3 4 1 to number of fans M
Auto Adjusted Ranges
Some settings have different ranges of adjustment based on other settings. For example, for
the chilled water leaving setpoint range (Cool LWT), if the “Cool” mode is selected, the
range is 40F to 60F. If “Cool w/Glycol” mode is selected, the range is automatically
adjusted to 25F to 60F.
Cool LWT
Mode Range
Unit Mode = Cool 40 to 60
o
F
Unit Mode = Cool w/Glycol 25 to 60
o
F
Evaporator Water Freeze
Mode Range
Unit Mode = Cool 36 to 42
o
F
Unit Mode = Cool w/Glycol, Ice w/ Glycol 15 to 42
o
F
Low Evaporator Pressure Inhibit
Mode Range
Unit Mode = Cool 28 to 45 Psig
Unit Mode = Cool w/Glycol, Ice w/ Glycol 0 to 45 Psig
Low Evaporator Pressure Unload
Mode Range
Unit Mode = Cool 26 to 45 Psig
Unit Mode = Cool w/Glycol, Ice w/ Glycol 0 to 45 Psig