McQuay IM 743 Installation And Maintenance

IM710 31
Table 22: Software Configuration String
Configuration
String Position
Description Object Name
Attribute Name
(Attribute No.)
Values (Default in Bold)
1 Unit Type McQuay_SelfCon. App. McQuay. SC Unit State Unit Type (1579)
0, RA Zone Control
1, RA DAT Control
2, 100% OA Zone Control
3, 100% OA DAT Control
2 Cooling Type McQuay_SelfCon. App. McQuay. SC Cooling Clg Type (63177)
0, None
1, Compressorized Clg
2, Chilled Water
3
Number of
Compressors/
Number of
Cooling Stages
McQuay_SelfCon. App. McQuay. SC Cooling Comp Config (63886)
0, 2 Comp/2 Stage
1, 3 Comp/3 Stage
2, 4 Comp/4 Stage
3, 6 Comp/6 Stage
4, 3S & 1L Comp/5 Stage
5, 2S & 2L Comp/6 Stage
6, 1S & 3L Comp/6 Stage
4 Economizer McQuay_SelfCon. App. McQuay SC. Damper Control Econo Type (63953)
0,,Airside
1, Waterside
2, None
5
Head Pressure
Control
McQuay_SelfCon. App. McQuay. SC. Damper Control
Head Pressure Control
(63963)
0, No
1, Yes
6 Heat Type McQuay_SelfCon. App. McQuay. SC. Heating Htg Type (63530)
0, None
1, Single Staged Local
2, Two Staged Local
4, Steam or Hot Water
7 Not supported by software -
0
8 Discharge Fan Type McQuay_SelfCon. App. McQuay. SC. DF Cap Ctrl. Fan Ctrl Type (2296)
0, Constant Volume
1, Vanes (VIV)
2, VFD
9 Not supported by software -
4
10
VIV/VFD Control
Type SAF
McQuay_SelfCon. App. McQuay. SC. DF Cap Ctrl. DF Cap Ctrl (63317)
0, None
1, Duct Static Control
2, Building Static Control
3, Position
11 Not supported by software -
0
12
Second Static
Pressure Sensor
McQuay_SelfCon. App. McQuay. SC. Static P Select
Second P Sensor
(63923)
0, None
1, Duct Static Pressure
2, Building Static
Pressure
13
Communication
Option
McQuay_SelfCon
Communication Option
(2154)
0. None
1. BAC net Ethernet
2. BAC net MSTP
3. LonMark SCC
4. LonMark DAC
14 Open Value - - 0
15 Bypass Valve Control McQuay_SelfCon. App. McQuay. SC. Damper Control
Bypass Valve Ctrl
(63951)
0, Slave
1, Bypass

McQuay IM 743 Specifications

General

Brand	McQuay
Model	IM 743
Category	Controller
Language	English