McQuay AGZ026BS, Инструкция по установке, эксплуатации и обслуживанию

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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.