54
AGR 070A through 100A
IOMM AGR-1
1.
With the ZT on a flat surface, press the white tab with your index finger Figure 32.
2.
Pull the front cover of the ZT away from the back and slide the Insert into position.
3.
Press the ZT together. With the Insert in place and the ZT connected, the
l
in top position of each
display lines up with the first word.
Figure 32, Installing the Insert
CONNECTING THE ZONE TERMINAL
You can unit mount the ZT, or use it as a portable tool for convenient access to any chiller
information.
McQuay Global Reciprocating Controller Connection
A standard telephone-style jack connects the ZT to a McQuay Chiller Controller directly.
Figure 33, Connecting ZT to a Global UNT Controller Using 6 to 8 Pin Cable
Connect ZT
here.
BINARY IN
ANALO G INPUTS
BINARY OUTPUTS
OF
F
1 2 3 4 5 6 7 8
AS-UNT330-1
BINA RY IN
A NA LO G INPUTS
1 2 3 4 5 6
1 2 3 4
A NA LOG INPUTS
C O MMO N
BINARY COM
+
15V
D
C
C OM
PW R
IN
2 4 V
A C
T O
ZO N E
STAT
BINARY OUTPUT
24V A C TO LO A DS
1 2 3 4 5 6 7 8
6 Pin
Connection
8 Pin
Connection
ALARM STATUS
The ZT indicates an alarm as follows :
•
The warning signal (
s
) flashes to the right of the Display Indicator dot (
l
) if the system operating
values are in alarm.
•
The On/Off Status bar ( | ) or circle (
m
) flashes when an On/Off status is in alarm.
•
The red alarm light to the right of the Mode Selector Panel flashes when any of the above items
are in alarm.
Alarms cannot be cleared with the ZT. The problem must be corrected by maintenance or repair of
the affected item.
Summary of Contents for AGR 070AS
Page 20: ...20 AGR 070A through 100A IOMM AGR 1 Figure 9 Typical Field Wiring with Global UNT Controller...
Page 22: ...22 AGR 070A through 100A IOMM AGR 1 Figure 11 Standard Single Point Connection with FanTrol...
Page 24: ...24 AGR 070A through 100A IOMM AGR 1 Figure 13 Unit Control Schematic 2 compressor UNT...
Page 25: ...IOMM AGR 1 AGR 070A through 100A 25 Figure 14 Staging Schematic 2 compressor 4 stage UNT...
Page 26: ...26 AGR 070A through 100A IOMM AGR 1 Figure 15 Staging Schematic 2 compressor 6 stage UNT...
Page 27: ...IOMM AGR 1 AGR 070A through 100A 27 Figure 16 MicroTech Controller Schematic...
Page 28: ...28 AGR 070A through 100A IOMM AGR 1 Figure 17 Unit Control Schematic MicroTech...
Page 29: ...IOMM AGR 1 AGR 070A through 100A 29 Figure 18 Staging Schematic 4 stage MicroTech...
Page 30: ...30 AGR 070A through 100A IOMM AGR 1 Figure 19 Staging Schematic 6 stage MicroTech...
Page 31: ...IOMM AGR 1 AGR 070A through 100A 31 Figure 20 Unit Control Schematic 2 compressor MicroTech...
Page 32: ...32 AGR 070A through 100A IOMM AGR 1 Figure 21 UNT Instrument Layout See legend on page 34...
Page 35: ...IOMM AGR 1 AGR 070A through 100A 35 Figure 25 MicroTech Sensor Layout...
Page 99: ...IOMM AGR 1 AGR 070A through 100A 99 Notes...
Page 100: ...Post Office Box 2510 Staunton Virginia 24402 USA 800 432 1342 www mcquay com...
