McQuay MicroTech II Installation Manual

Page 38 IM 781-2
Figure 28. CSM Remote I/O Modules G and H Field Wiring Schematic
Remote G
Inputs
27 (Y)
26 (0)
DI 3
20 (Y)
19 (0)
17 (Y)
I6 (0)
14 (Y)
I3 (0)
11 (Y)
10 (0)
AI 4
AI 3
AI 2
AI 1
29 (Y)
28 (0)
DI 4
Lon Port
8 (Y)
7 (0)
DI 2
Cooling Tower Fan Output 12
Cooling Tower Fan Output 11
Cooling Tower Fan Output 10
Outputs
NC 57
Com56
NO 58
NC 54
Com53
NO 55
Com49
NO 50
Com47
NO 48
Relay 5
Relay 4
Relay 2
Relay 1
4
3
Cooling Tower Fan Output 9
35 (Y)
34 (0)
AO 2
32 (Y)
31 (0)
AO 1
Cooling Tower Fan VFD
24 Vac
0
24 Vac power
50/60 Hz
6 (Y)
5 (0)
DI 1
Cooling Tower Fan VFD
Notes: 1.
All remote I/O modules are optional. Their requirement is
based on the number pumps, valves and/or cooling tower
fans controlled by the CSM.
0
-10Vdc
0
-10Vdc
Tower VFD speed G4 for display only
Tower VFD speed G3 for display only
Tower VFD speed G2 for display only
Tower VFD speed G1 for display only
0-10Vdc
0-10Vdc
0-10Vdc
0-10Vdc
6A @ 230V
6A @ 230V
6A @ 230V
6A @ 230V
Cooling Tower Outputs 9 to 12
Lon Network to Chillers, CSM,
and/or other Remote I/O Modules
2
1
25
24
Remote H
Inputs
27 (Y)
26 (0)
DI 3
20 (Y)
19 (0)
17 (Y)
I6 (0)
14 (Y)
I3 (0)
11 (Y)
10 (0)
AI 4
AI 3
AI 2
AI 1
29 (Y)
28 (0)
DI 4
Lon Port
8 (Y)
7 (0)
DI 2
Cooling Tower Fan Output 16
Cooling Tower Fan Output 15
Cooling Tower Fan Output 14
Outputs
NC 57
Com56
NO 58
NC 54
Com53
NO 55
Com49
NO 50
Com47
NO 48
Relay 5
Relay 4
Relay 2
Relay 1
4
3
Cooling Tower Fan Output 13
35 (Y)
34 (0)
AO 2
32 (Y)
31 (0)
AO 1
Cooling Tower Fan VFD
24 Vac
0
24 Vac power
50/60 Hz
6 (Y)
5 (0)
DI 1
Cooling Tower Fan VFD
Lon Network to Chillers, CSM,
and/or other Remote I/O Modules
0
-10Vdc
0
-10Vdc
Tower VFD speed H4 for display only
Tower VFD speed H3 for display only
Tower VFD speed H2 for display only
Tower VFD speed H1 for display only
0-10Vdc
0-10Vdc
0-10Vdc
0-10Vdc
6A @ 230V
6A @ 230V
6A @ 230V
6A @ 230V
Cooling Tower Outputs 13 to 16
2
1
25
24
Cooling Tower Alarm # 16
Cooling Tower Alarm # 15
Cooling Tower Alarm # 13
Cooling Tower Alarm # 14
Cooling Tower Alarm # 12
Cooling Tower Alarm # 11
Cooling Tower Alarm # 9
Cooling Tower Alarm # 10
CD 251740501

McQuay MicroTech II Specifications

General

Brand	McQuay
Model	MicroTech II
Category	Controller
Language	English