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VAV-UCM 4.2
Trane VAV-UCM 4.2 User Manual
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36
VAV
-
S
V
X
01
C
-
E
N
UCM Pr
ogrammi
ng and Oper
ation
UCM Home T
abs: Instr
uctions
Configuration:
T
o access the data fields for eac
h tab
and to mak
e adjustments, select the
Configure
button as
shown in
Figure
22, p.
36
. T
o mak
e adjustments, fi
nd the cor
rect param
eter
, c
hange it, and
download to UCM.
Setpoints T
ab
Figure
22.
Select th
e co
nfigure but
ton
Figur
e 23.
Setpoints tab
35
37
Table of Contents
Default Chapter
3
Table of Contents
3
General Information
6
Chapter Overview
6
Unit Control Module 4.2 (UCM 4.2)
6
Specifications
6
UCM 4.2 Enhancements
7
UCM 4.2 Features
7
Shipping
8
Storage
9
VAV Start Up/Check out Procedure
10
Chapter Overview
10
UCM 4.2 Pre-Power Check-Out
10
Light Emitting Diode (LED) Operations
10
Zone Sensor Check-Out
11
UCM 4.2 Installation and Wiring
12
Chapter Overview
12
UCM 4.2 Power Wiring
12
Power Requirements
12
Zone Sensor Wiring
13
Location and Mounting
13
Wiring
13
Multiple Ucm's Per Zone Sensor
14
Multiple Ucm's Per Auxiliary Duct Temperature Sensor
14
Zone Sensor Hardwired Option
14
Zone Sensor Wireless Option
14
Communication Wiring
15
Communication Link Wiring
15
DIP Switch Settings
16
Wireless Zone Sensor
21
Overview
21
Dimensional Diagrams
21
Setting the Address, Mounting, Wiring, and Associating the Receiver and Sensor
22
Choosing a Location for Mounting the Sensor
23
Setting the Rotary Address Switches on the Receiver and the Sensor
23
Factory Wiring of the Receiver to the VAV UCM
25
Replacing and Securing the Receiver Cover
26
Applying Power to the Receiver
27
Powering the Sensor and Associating the Sensor to the Receiver
28
Testing Signal and Battery Strength
28
Disassociation
29
UCM Programming and Operation
30
Chapter Overview
30
Accessing Rover/Comm4
30
Rover Overview
30
Laptop Requirements and Complete Connection Instructions
30
UCM Home Tabs: at a Glance
33
Status Tab
34
Setpoints Tab
35
Wireless Tab
35
Advanced Configuration Tab
35
UCM Home Tabs: Instructions
36
Configuration
36
Setpoints Tab
36
Wireless Tab
43
Advanced Configuration Tab
43
Entering and Exiting the Service Mode
44
Overriding Vavs
45
Resetting Diagnostics
45
Downloading Program Files from PC to DDC UCM 4.2
46
Sequence of Operations
48
Chapter Overview
48
Single Duct Units
48
Override Conditions (Single Duct)
48
Fan-Powered Units
49
Parallel Fan-Powered Units
49
Occupied Units
49
Override Conditions (Parallel Fans)
50
Series Fan-Powered Units
51
Occupied Units
51
Override Conditions (Series Fan)
51
Zone Sensor Functions
52
Flow Sensor
53
Failure Modes
53
Air and Water Balancing
54
Chapter Overview
54
Air Balancing
54
System Checkout
54
System Setup
54
VAV Single Duct Unit Air Balancing
55
Water Balancing
57
Troubleshooting
58
Chapter Overview
58
Diagnostic Table
60
UCM Failure Procedures
60
UCM Communication Loss Procedures
60
Wired Zone Sensor Failure Procedures
61
Wired Zone Setpoint Failure Procedures
63
Airflow Failure Procedures
68
Auxiliary Temperature Sensor Failure Procedures
70
Auxiliary C02 Sensor Failure Procedures
71
VAV Damper Failure Procedures
72
VAV Series Fan Failure Procedures
73
VAV Parallel Fan Failure Procedures
73
VAV Electric Heat Stage(S) Failure Procedures
76
VAV Proportional Hot Water Failure
77
Trane/Honeywell Proportional Valve Check out Procedures
78
Cartridge Failure
78
Actuator Failure
78
VAV Two Position Hot Water Failure
78
Wiring Diagrams
79
Appendix
87
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Trane VAV-UCM 4.2 Specifications
General
Brand
Trane
Model
VAV-UCM 4.2
Category
Control Unit
Language
English
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