Carrier 48LCB07 Controls, Start-Up, Operation And Troubleshooting page 60

With vav-rtu open controller

Table of Contents

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

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

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

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

Instance can be 1, 2, 3, or 4, depending on the number of air sources used in the system.

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

Sensor with a valid value on J4 - RH&Gnd

(CCN) and BACnet System (i.e., Carrier CCN Air Terminal to BACnet Air Source), the Application

Printed in U.S.A.

Form 48-50LCB-7-26-02T Rev. A

Pg CL-4

3-2020 Replaces: 48-50LCB-7-26-01T

Table of Contents

50lcb07 48lcb26 50lcb26