McQuay AGZ070BS User Manual

IOMM AGZ-5 AGZ 026B through 130B 57
Setpoints
The setpoints shown in Table 39 are retained by battery-back-up and remembered
during power off, are factory set to the Default value, and can be adjusted within the
values shown in Range.
The PW (password) column indicates the password. Passwords are as follows:
O = Operator =0100
M = Manager=2001
Table 39, Setpoints
Description Default Range PW
Unit Enable OFF OFF, ON O
Unit Mode COOL COOL, COOL w/Glycol, ICE w/Glycol, TEST O
Control source
DIGITAL
INPUT
KEYPAD, BAS, DIGITAL INPUT O
Available Modes COOL
COOL, COOL w/GLYCOL, COOL/ICE w/GLYCOL,
ICE w/GLYCOL. TEST
M
Display Units
Language
Protocol Modbus BACnet, LonWorks, Modbus M
Ident number (Modbus only) 001 001-999 M
Baud rate (Modbus only) 9600 1200,2400,4800,9600,19200 M
Cool LWT
44. 0°F 20.0(40.0) to 60.0 °F
O
Ice LWT
40. 0°F 20.0 to 40.0 °F
O
Evap Delta T
10. 0°F 6.0 to 16.0 °F
O
Startup Delta T
5.0°F 1.0 to 10.0 °F
O
Stop Delta T
0.5°F 0.5 to 3.0°F
O
Max Pulldown Rate
1.0°F 0.5 to 5.0 °F
M
Evap Recirculate Timer 30 15 to 300 sec M
Low Ambient Lockout
35 °F –2(35) to 60 °F
M
Demand Limit No No,Yes M
* Multipoint Power No No,Yes M
Compressor
* Number of Compressors 4 4,6 M
Stage Up Delay 120 90 to 240 sec M
Stage Down Delay 30 20 to 60 sec M
Start-Start 15 min 10 to 60 min M
Stop-Start 5 min 3 to 20 min M
Clear Cycle Timers No No,Yes M
Alarms
Low Evap Pressure-Hold 59 psi 31 to 65 psi M
Low Evap Pressure-Unload 59 psi 31 to 65 psi M
High Condenser Stage Down 370 psi 365 to 380 psi M
High Condenser Pressure 385 psi 385 to 390 psi M
Evaporator Water Freeze
38.0 °F 18(37) to 42 °F
M
* Phase Voltage Protection No No,Yes M
* Ground Fault Protection No No,Yes M
Evap Flow Proof 5 sec 3 to 30 sec M
Condenser Fans
VFD Enable No No,Yes M
* Number of Fans 4 4,6,8 M
Stage Up 2 Deadband 8 1 to 20
o
F M
Stage Up 3 Deadband 10 1 to 20
o
F M
Stage Up 4 Deadband 12 1 to 20
o
F M
Stage Down 0 Deadband 15 1 to 20
o
F M
Stage Down 1 Deadband 7 1 to 20
o
F M
Stage Down 2 Deadband 6 1 to 20
o
F M
Stage Down 3 Deadband 5 1 to 20
o
F M
VFD Max Speed 100% 90 to 110% M
VFD Min Speed 25% 25 to 60% M
Sat Condenser Temp Target 100
90 to 130 °F
M
Forced Fan 1 1 1 to # Fans Per Circuit M
Forced Fan 2 2 1 to # Fans Per Circuit M
Forced Fan 3 3 1 to # Fans Per Circuit M
(*) These items are factory set prior to shipment.

McQuay AGZ070BS Specifications

General

Brand	McQuay
Model	AGZ070BS
Category	Chiller
Language	English