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1. Prodigy 2.0 – M3 Unit Controller Description
The M3 unit controller provides all rooftop unit control functions to insure its safe and reliable operation. It also provides
status and diagnostic information to facilitate troubleshooting. The controller's programmable parameters allow
adjustment of time delays and set points that enable advanced features.
The default configuration requires a standard room thermostat or direct digital controller. By changing a single parameter,
the M3 unit controller can also control the unit from a room sensor. The M3 unit controller can also be configured as a
network controller when daisy-chained to the L Connection
may be connected to a computer (Microsoft
1.1.
Unit Sizes
Model Size
036
048
060
072
074
092
094
102
120
1.2.
Add-on Controllers
Add-on controllers connect to the M3 unit controller to build variations according to application or equipment type.
Packaged Unit
Models
LCH/LGH 036-060S
LCH/LGH 036-060H
LCH/LGH 072H and 074H
2
LCH/LGH 036-074U
LCH/LGH 092-150H / S
LCH/LGH 094U, 122U and 152U
LCH/LGH 156 H
LCH/LGH 180 H
LCH/LGH 180 U
LCH/LGH 210 H
LCH/LGH 240H/300S
LCH/LGH 240 U
1
If additional general purpose analog and digital outputs are required, the GP3 card will be required. Order catalog # 13J78 for the GP3 kit.
2
Requires A55 part number 104661-xx)
Figure 1 shows the M3 unit controller components and the location of the add-on control expansion ports.
®
®
Windows-based) which has the M3 unit controller software installed.
Tonnage
3-ton
4-ton
5-ton
6-ton
6-ton
7.5-ton
7.5-ton
8.5-ton
10-ton
Table 1. Add On Controllers
A55
Box Size
M3 Unit Controller
A
X
A
X
A
X
A
X
B
X
B
X
C
X
C
X
C
X
C
X
C
X
C
X
X = required O = Optional
7
Network. To simplify configuration, the M3 unit controller
Model Size
122
150
152
156
180
210
240
300
S = Standard Efficiency; H = High Efficiency; U = Ultra-High Efficiency
A178 (C3 Control)
#3 & 4 Compressor Control and
nd
2
Heat Circuit
Tonnage
10-ton
12.5-ton
12.5-ton
13-ton
15-ton
17.5-ton
20-ton
25-ton
GP3 Control
General Purpose
Digital and
Analog I/O
O
O
O
O
O
O
X
O
X
O
X
X
X
O
X
O
X
X
1
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