Unit installation
Table Of Contents
- Introduction
- Installation
- Physical Data
- Electrical Data
- Dimensional Data
- Startup
- Operation
- Global UNT Controller Installation and Operation
- General Description
- Optional Sensors
- Sensors and Transducers
- Control Wiring
- External Voltage Inputs
- Interlock Wiring
- Unit Set Points and Calibration
- Optional Sensors
- Field Wiring
- Power Wiring
- Power Supplies
- Analog input signals
- Digital input signals
- Remote Stop/Start
- Chilled Water Flow Switch
- Digital Outputs
- External Alarm Annunciator Circuitry
- PC Connection
- Software Identification
- Controller Inputs /Outputs
- Additional Global UNT Features
- Alarms
- Zone Terminal (Optional)
- Zone Terminal Glossary
- UNT Troubleshooting Chart
- MicroTech Controller Installation and Operation
- Sensors and transducers
- Control wiring
- Remote 4-20 milliamp signals
- Interlock wiring
- Unit set points and calibration
- Modem kit
- Lead-Lag
- Field Wiring
- Power Wiring
- Power Supplies
- Analog Input Signals
- Digital Input Signals
- Remote Stop/Start
- Chilled Water Flow Switch
- Digital Outputs
- Chilled Water Pump Relay
- External Alarm Annunciator Circuitry
- PC Connection
- Telephone line
- Software Identification
- Controller Inputs /Outputs
- Reset Options
- Soft Loading
- Manual Operation
- Compressor Staging
- Head Pressure Control
- Pumpdown Control
- Safety Systems
- Circuit Alarm Conditions
- System Alarm Conditions
- Sequence of Operation
- Start-Up and Shutdown
- Keypad / Display
- Menu Descriptions
- Trouble Analysis for the MicroTech
- Test Procedures
- Unit Maintenance
- Service
76 AGZ 035A through 065A IOMM AGZ-3
Table 42, MENU 20 Schedule
Screen Display Factory Setpoint Range
1 Override= xx.xx hr 0.00 Hr 00:00 - 63.50
2 NMPSchedule= N/A N/A
3 Sun 00:00-23:59 00:00 - 23:59 00:00 - 23:59
4 Mon 00:00-23:59 00:00 - 23:59 00:00 - 23:59
5 Tue 00:00-23:59 00:00 - 23:59 00:00 - 23:59
6 Wed 00:00-23:59 00:00 - 23:59 00:00 - 23:59
7 Thu 00:00-23:59 00:00 - 23:59 00:00 - 23:59
8 Fri 00:00-23:59 00:00 - 23:59 00:00 - 23:59
9 Sat 00:00-23:59 00:00 - 23:59 00:00 - 23:59
10 Hol 00:00-23:59 00:00 - 23:59 00:00 - 23:59
Table 43, MENU 21 Holiday Date
Screen Display Factory Setpoint Range
1 #1 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
2 #1 Dur = 0 Day(s) 0 0 - 31
3 #2 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
4 #2 Dur = 0 Day(s) 0 0 - 31
5 #3 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
6 #3 Dur = 0 Day(s) 0 0 - 31
7 #4 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
8 #4 Dur = 0 Day(s) 0 0 - 31
9 #5 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
10 #5 Dur = 0 Day(s) 0 0 - 31
11 #6 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
12 #6 Dur = 0 Day(s) 0 0 - 31
13 #7 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
14 #7 Dur = 0 Day(s) 0 0 - 31
15 #8 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
16 #8 Dur = 0 Day(s) 0 0 - 31
17 #9 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
18 #9 Dur = 0 Day(s) 0 0 - 31
19 #10 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
20 #10 Dur = 0 Day(s) 0 0 - 31
21 #11 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
22 #11 Dur = 0 Day(s) 0 0 - 31
23 #12 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
24 #12 Dur = 0 Day(s) 0 0 - 31
25 #13 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
26 #13 Dur = 0 Day(s) 0 0 - 31
27 #14 Date = N/A 0 N/A 0 Jan - Dec 1 - 31
28 #14 Dur = 0 Day(s) 0 0 - 31
Table 44, MENU 22 Alarm Spts
Values for R-22 refrigerant, ( ) indicates Centigrade values
Screen Display Factory Setpoint Range
1 FreezStat= xxpsi (kPa) 54 (372) 20 - 60 (138 - 414)
2 FreezH2O= xx.x °F (°C) 36.0 (2.3) 0.0 - 40.0 (-17.5 - 4.5)
3 FreezeTim= xxx sec
4 Hi Press = xxxpsi (kPa) 380 (2622) 280 - 426 (1932 - 2939)
Table 45, MENU 22 Alarm Spts
Values for 134a refrigerant, ( ) indicates Centigrade values
Screen Display Factory Setpoint Range
1 FreezStat= xxpsi (kPa) 26 (179) 4 - 26 (27 - 179)
2 FreezH2O= xx.x °F (°C) 36.0 (2.3) 0.0 - 40.0 (-17.5 - 4.5)
3 FreezeTim= xxx sec
4 Hi Press = xxxpsi (kPa) 380 (2622) 280 - 426 (1932 - 2939)