Quantech QWC4, Installation Operation & Maintenance, Page: 117 / 156

QUANTECH
117
SECTION 6 - OPERATION
FORM QWC4-NM1 (221)
ISSUE DATE: 02/28/2021
6
SETUP MODE VALUE LOW LIMIT HIGH LIMIT DEFAULT
Oil Differential Condenser Level Control Setpoint 20.0 psid 30.0 psid 24 psid
Level Control Decrement 1 0.10% 10.00% 2.00%
Level Control Decrement 2 0.10% 10.00% 0.50%
Level Control Increment 1 0.10% 10.00% 2.00%
Level Control Increment 2 0.10% 10.00% 0.50%
Level Control Startup Kp 0.5 3 0.7
Level Control Startup Tn 75 250 115
Smart Freeze DISABLED ENABLED DISABLED
Oil Pump DISABLED ENABLED DISABLED
Oil Level Switch DISABLED ENABLED DISABLED
VSD Aux Coolant Pump DISABLED ENABLED DISABLED
Hot Gas Bypass DISABLED ENABLED DISABLED
Hot Gas Bypass Setpoint Offset
0.0°F
0.0°C
2.0°F
1.1°C
0.0°F
0.0°C
Hot Gas Bypass Setpoint
1.0°F
0.6°C
5.0°F
2.8°C
1.0°F
0.6°C
Condenser Level Control Valve Startup Position 5% 50% 30%
Condenser Level Control Startup Delay 0 min 10 min 5 min
Condenser Level Ramp Up Time 0 min 10 min 5 min
Refrigerant Injection DISABLED ENABLED DISABLED
VI Step Valve DISABLED ENABLED DISABLED
High Discharge Pressure Cutout
195 psig
14.46 barg
333 psig
23.97 barg
195 psig
14.46 barg
Compressor Type WTS CTS WTS
Drop Leg Refrigerant Temperature Sensor DISABLED ENABLED ENABLED
Condenser Pressure Sensor DISABLED ENABLED ENABLED
Evaporator Refrigerant Temperature Sensor DISABLED ENABLED ENABLED
Unit Soft Shutdown Operation DISABLED ENABLED DISABLED
Skip Frequency 1 DISABLED ENABLED DISABLED
Skip Frequency 1 Low Limit 50 Hz 199 Hz 56 Hz
Skip Frequency 1 High Limit 57 Hz 68 Hz 68 Hz
Skip Frequency 2 DISABLED ENABLED DISABLED
Skip Frequency 2 Low Limit 70 Hz 202 Hz 88 Hz
Skip Frequency 2 High Limit 89 Hz 100 Hz 100 Hz
Line Voltage 380/415 V 460 V 460 V
Job Full Load Amperage 160.5 A 535.0 A 160.5 A
TABLE 39 - SETUP MODE PROGRAMMABLE (CONT'D)