![background image](http://html.mh-extra.com/html/carrier/48lcb07/48lcb07_controls-start-up-operation-and-troubleshooting_2561052060.webp)
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480277-01
Printed in U.S.A.
Form 48-50LCB-7-26-02T Rev. A
Pg CL-4
3-2020 Replaces: 48-50LCB-7-26-01T
© 2020 Carrier Corporation
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
--
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
C
U
T
A
LO
N
G
D
O
T
T
E
D
L
IN
E
C
U
T
A
LO
N
G
D
O
T
T
E
D
L
IN
E
1 Default to meet California Title 24 requirements is 45°F
2 Do Not Use
3 Input Switch Configuration must be set for each Input Function
4 This input will only be shown if Service Configuration>Heat Type is set to Electric. For gas units (Service Configuration> Heat Type
set to 1 = Gas (48 series units) this input is automatically set to 7 = IGC Override
5 This input will only be shown if Input Configuration>Input 2 Function is set to 3 = Space RH Sensor and there is a valid Space Rela
-
tive Humidity value on J4 -2&3
6 This input will only be shown if Input Configuration>Input 2 Function is set to 2 = IAQ Sensor and there is a valid Indoor Air Quality
CO
2
Sensor value on J4 -2&3
7 This input will only be shown if Input Configuration>Input 2 Function is set to 2 = OAQ Sensor, there is a valid Indoor Air Quality CO
2
Sensor value on J4 -2&3, and Service Configuration>DCV Control is set to Enable at one of the VAV Zone controllers which has Ser
-
vice Configuration>Hardwired Sensor set to CO
2
Sensor with a valid value on J4 - RH&Gnd
8 This setpoint will only be shown if Service Configuration>SA Tempering is set to Enable
9 Compressor Stages default is Three Stages and cannot be changed
10 Economizer Exist default is Yes and cannot be changed
11 This configuration will only be shown if Input Configuration>Input 2 Function is set to 2 = IAQ Sensor
12 This configuration will only be shown if Input Configuration>Input 2 Function is set to 4 = OAQ Sensor
13 If using a Carrier Comfort Network
®
(CCN) and BACnet System (i.e., Carrier CCN Air Terminal to BACnet Air Source), the Application
Instance can be 1, 2, 3, or 4, depending on the number of air sources used in the system.
Summary of Contents for 48LCB07
Page 4: ...4 Fig 2 VAV RTU Open Control Module ...
Page 8: ...8 Fig 5 VAV RTU Open Control Wiring Diagram 48LC B07 ...
Page 9: ...9 Fig 6 VAV RTU Open Control Wiring Diagram 48LC B08 12 ...
Page 10: ...10 Fig 7 VAV RTU Open Control Wiring Diagram 48LC B14 26 ...
Page 11: ...11 Fig 8 VAV RTU Open Control Wiring Diagram 50LC B07 ...
Page 12: ...12 Fig 9 VAV RTU Open Control Wiring Diagram 50LC B08 12 ...
Page 13: ...13 Fig 10 VAV RTU Open Control Wiring Diagram 50LC B14 26 ...
Page 55: ......