
18
AGZ 025D through 190D
OMM 1087
Description Default
Range
High Condenser Pressure Unload
4137 KPA(600 PSI)
3241 to 4137 KPA (470 to 600 PSI)
Evaporator Flow Proof
5 sec
5 to 15 sec
Recirculate Timeout
3 min
1 to 10 min
Evaporator Water Freeze
2.2°C (36°F)
See section 5.1.1
Low OAT Start Time
165 sec
150 to 240 sec
Low Ambient Lockout
1.7°C (35.1°F)
See section 5.1.1
External Alarm Configuration Event
Event,
Alarm
Clear Alarms
Off
Off, On
Network Clear Alarms
Off
Off, On
Circuit Setpoints (exist individually for each circuit):
Description Default
Range
Mode/Enabling
Circuit mode
Enable
Disable, Enable, Test
Compressor 1 Enable
Enable
Enable, Disable
Compressor 2 Enable
Enable
Enable, Disable
Compressor 3 Enable
Enable
Enable, Disable
Network Compressor 1 Enable
Enable
Enable, Disable
Network Compressor 2 Enable
Enable
Enable, Disable
Network Compressor 3 Enable
Enable
Enable, Disable
EXV control
Auto
Auto, manual
EXV position
See Section 5.1.2
0% to 100%
Suction SH Target
5.56°C (10°F)
4.44 to 6.67 °C (8 to 12 °F)
Max Evap Pressure
1076 KPA(156.1 PSI)
979 to 1172 KPA (142 to 170 PSI)
Condenser
Condenser Target 100%
37.78°C (100°F)
32.22 to 37.78 °C (90 to 100 °F)
Condenser Target 67%
32.22°C (90°F)
32.22 to 37.78 °C (90 to 100 °F)
Condenser Target 50%
29.44°C (85°F)
29.44 to 32.22 °C (85 to 90 °F)
Condenser Target 33%
23.89°C (75°F)
23.89 to 32.22 °C (75 to 90 °F)
VFD Max Speed
100%
90 to 110%
VFD Min Speed
25%
25 to 60%
Fan Stage Up Deadband 1
8.33°C (15°F)
8.33 to 13.89 °C (15 to 25 °F)
Fan Stage Up Deadband 2
5.56°C (10°F)
5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Up Deadband 3
5.56°C (10°F)
5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Up Deadband 4
5.56°C (10°F)
5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Down Deadband 1
11.11°C (20°F)
8.33 to11.11 °C (15 to 20 °F)
Fan Stage Down Deadband 2
11.11°C (20°F)
8.33 to11.11 °C (15 to 20 °F)
Fan Stage Down Deadband 3
8.33 °C (15 °F)
5.56 to 8.33 °C (10 to 15 °F)
Fan Stage Down Deadband 4
5.56 °C (10 °F)
3.33 to 5.56 °C (6 to 10 °F)
Continued next page.
Description Default
Range
Sensor Offsets
Evap pressure offset
0 KPA (0 PSI)
-100 to 100 KPA (-14.5 to 14.5 PSI)
Cond pressure offset
0 KPA (0 PSI)
-100 to 100 KPA (-14.5 to 14.5 PSI)
Suction temp offset
0°C (0°F)
-5.0 to 5.0 °C (-9.0 to 9.0 °F)
Note – Condenser Target 67% and Condenser Target 33% will be available only when Number of
Compressors is 6. Condenser Target 50% will be available only when Number of Compressors is 4.
Summary of Contents for McQuay AGZ-D
Page 12: ...12 AGZ 025D through 190D OMM 1087 Figure 2 Typical Field Control Wiring...
Page 71: ......
Page 79: ......
Page 81: ......