30 WGS 130A to 190A OM WGS-5
Description Default Range Type PW
Stage Up Delay 5 min 0 to 60 min M M
Disc. Temp Sensor Type PT1000 NTC, PT1000 M M
Alarms
Low Evap Pressure-Unload 28 psi [0,26] to 45 psi M M
Low Evap Pressure-Hold 30 psi [0,28] to 45 psi M M
Low Oil Level Delay 120 sec 10-180 sec M M
High Oil Press Diff Delay 15 sec 0-90 sec M M
High Discharge Temperature
200 F
150 to 200 F M M
High Lift Pressure Delay 5 sec 0 to 30 sec M M
Evaporator Water Freeze
36 F 15(36) to 42 F
N M
Evaporator Flow Proof 3 sec 3 to 10 sec N M
Recirculate timeout 3 min 1 to 10 min. N M
Startup Timer 60 sec 20 to 90 sec. M M
Condenser Water Freeze
(water cooled only)
38 F 34 to 42 F
N M
Condenser Flow Proof (water
cooled only)
3 sec 3 to 10 sec N M
Cooling Tower(available for Water cooled only)
Tower Control None None, Temperature N M
Tower Stages 2 0 to 2 N M
Stage #1 On
70 F 40 to 120 F
N M
Stage #2 On
75 F 40 to 120 F
N M
Stage Differential
3.0 F 1.0 to 10.0 F
N M
Stage Up Time 2 min 1 to 60 min N M
Stage Down Time 5 min 1 to 60 min N M
Stage Fan Down @ 20% 0 to 100% N M
Stage Fan Up @ 80% 0 to 100% N M
Valve/VFD Control None
None, Valve Setpoint, Valve Stage,
VFD Stage, Valve SP/VFD Stage
N M
Valve Type NC to tower NC, NO N M
Valve Setpoint
65 F 60 to 120 F
N M
Valve Deadband
2.0 F 1.0 to 10.0 F
N M
Minimum Start Position 0% 0 to 100% N M
Minimum Position @
60 F 0 to 100 F
N M
Maximum Start Position 100% 0 to 100% N M
Maximum Position @
90 F 0 to 100 F
N M
Valve Control Range (Min) 10% 0 to 100% N M
Valve Control Range(Max) 90% 0 to 100% N M
Error Gain 25 10 to 99 N M
Slope Gain 25 10 to 99 N M
Auto Adjusted Ranges
The following settings have different ranges of adjustment based on other settings.
Table 6, Cool LWT
Mode Range
Unit Mode = Cool 40 to 60
o
F
Unit Mode = Cool w/Glycol, Ice w/ Glycol 20 to 60
o
F
Table 7, Evaporator Water Freeze
Mode Range
Unit Mode = Cool 34 to 42
o
F
Unit Mode = Cool w/Glycol, Ice w/ Glycol 15 to 42
o
F
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