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Table 9: CVM Preloaded Standard Applications

Application Name

Description

Elec Reheat 3 Stg Series Fan W/C Adj

Single Duct Electric Staged Reheat, 3 Stages, Single Speed Series Fan,

Warm/Cool Adjust

Elec Reheat 3 Stg Series Fan SP Adj

Single Duct Electric Staged Reheat, 3 Stages, Single Speed Series Fan,

Setpoint Adjust

Elec Reheat 3 Stg Parallel Fan W/C Adj

Single Duct Electric Staged Reheat, 3 Stages, Parallel Fan, Warm/Cool

Adjust

Elec Reheat 3 Stg Parallel Fan SP Adj

Single Duct Electric Staged Reheat, 3 Stages, Parallel Fan, Setpoint

Adjust

Incr HW Reheat Series Fan W/C Adj

Single Duct Incremental Hot Water Reheat, Single Speed Series Fan,

Warm/Cool Adjust

Incr HW Reheat Parallel Fan W/C Adj

Single Duct Incremental Hot Water Reheat, Parallel Fan, Warm/Cool

Adjust

SCR Elec Reheat W/C Adj

Single Duct SCR Electric Reheat/Proportional Heating Valve, Warm/

Cool Adjust

SCR Elec Reheat Series Fan W/C Adj

Single Duct SCR Electric Reheat/Proportional Heating Valve, Single

Speed Series Fan, Warm/Cool Adjust

SCR Elec Reheat Parallel Fan W/C Adj

Single Duct SCR Electric Reheat/Proportional Heating Valve, Parallel

Fan, Warm/Cool Adjust

Note:

All applications use the Imperial unit of

measure.

Note:

Warm/Cool Adjust applications also support

sensor only.

Note:

The NS8000 is supported with these

applications when used as a Netsensor.

Troubleshooting equipment controllers

Table 10 provides LED status indicator information for troubleshooting the CVM03050 controller.

General

troubleshooting

provides some additional troubleshooting information for possible problems.

Note:

If you experience short circuits in the 24 VAC

power supply causing protective devices such as

breakers or fuses to trip, make sure that the power

connections on the CVM are not reversed. The

most common cause of this problem is when the 24

VAC power supply on the CVM is reversed but not

reversed on a connected secondary device.

M4-CVM VAV Box Controllers Installation Guide

Содержание CVM03050

Страница 1: ...e and modernization path for customers with existing N2 controllers For installation and commissioning support and tips for efficient and safe replacement refer to the Modernization Guide for Legacy N...

Страница 2: ...al block or N2 protocol as required 13 EOL End of Line Switch See Setting the End of Line EOL switch 14 SA Bus Port RJ 12 6 Pin Modular Jack See Modular ports 15 FC Bus Port RJ 12 6 Pin Modular Jack S...

Страница 3: ...you must provide hard stops at both full closed and full open damper positions If you install the CVM controller at the full open position the controller provides the open stop for 45 and 60 boxes The...

Страница 4: ...ons Important Electrostatic discharge can damage controller components Use proper electrostatic discharge precautions during installation setup and servicing to avoid damaging the controller For detai...

Страница 5: ...A bus Note Stranded 4 wire 2 twisted pair shielded cable One twisted pair is the and leads The second pair is COM and POWER Note Do not use the modular SA Bus port and the terminal block SA Bus simult...

Страница 6: ...avant d avoir v rifi toutes les connexions du c blage Le c blage inad quat de cette borne peut causer un court circuit sur l alimentation lectrique de 24 V c Un court circuit peut causer le d clenche...

Страница 7: ...ings and requirements To determine wire size and maximum cable length 15 V 15 VDC Power Source for active 3 wire input devices connected to the Universal UI n terminals Provides 35 mA total current Sa...

Страница 8: ...INARY Outputs BO C Binary Output 24 VAC Triac Internal Power Connects BO n to 24 BO C when activated Internal Power Source 30 VAC maximum voltage to load 0 5 A maximum output current 1 3 A at 25 duty...

Страница 9: ...and the load current in mA when wiring inputs and outputs Note Figure 9 applies to low voltage 30 V inputs and outputs only Figure 9 Maximum wire length for low voltage 30 V Inputs and Outputs by curr...

Страница 10: ...Common SA BUS 1 POWER 15 VDC Supply Power for Devices on the SA Bus 0 6 mm 22 AWG stranded 4 wire 2 twisted pairs shielded cable recommended Note The and wires are one twisted pair and the COM and POW...

Страница 11: ...on for the applicable termination diagrams Table 8 Termination details Type of Field Device Type of Input Output Termination diagrams Voltage Input External Source UI Voltage Input Internal Source UI...

Страница 12: ...xternal Source CO Note Applies to CO4 and CO5 Incremental Control to Actuator Switch Low External Source CO Note Applies to CO4 and CO5 Analog Output Voltage CO Incremental Control to Actuator Switch...

Страница 13: ...AC supply from the controller 2 Set the address switches to the desired N2 address For details about setting a device address see Setting the device address 3 Reconnect the 24 VAC supply to the contro...

Страница 14: ...ommunication 1 254 Note Addresses 0 and 255 are reserved and not for use on equipment controllers The device address is a decimal address set using three rotary switches located at the top of the cont...

Страница 15: ...the CVM03050 controller use the following procedure 1 With the desired application loaded in the controller commission the VAV Box Refer to the Controller Tool Help LIT 12011147 2 Perform airflow bal...

Страница 16: ...Elec Reheat Series Fan W C Adj Single Duct SCR Electric Reheat Proportional Heating Valve Single Speed Series Fan Warm Cool Adjust SCR Elec Reheat Parallel Fan W C Adj Single Duct SCR Electric Reheat...

Страница 17: ...ration SA Bus devices offline such as netsensors Rapid blink SA Bus communications issue Off Steady No faults On Steady Device fault or no application loaded FC BUS Green Blink 2 Hz Blink 2 Hz Data tr...

Страница 18: ...COM there must be no short circuit Note Some installations require the secondary of the transformer to be Earth Grounded If this is the case verify that the Earth Ground connection is valid and not s...

Страница 19: ...ontroller Display NS ATV7003 0 Handheld VAV Balancing Tool NS Series Network Sensors Refer to the NS Series Network Sensors Product Bulletin LIT 12011574 for specific sensor model descriptions AS CBLT...

Страница 20: ...cks 30 terminal blocks in total MS FIT100 0 The Field Inspection Tool FIT is a portable handheld device with a user interface that is used to test and troubleshoot the BACnet protocol MS TP RS 485 com...

Страница 21: ...er and equipment controllers 4 wire SA Bus between equipment controller network sensors and other sensor actuator devices includes a lead to source 15 VDC supply power from equipment controller to bus...

Страница 22: ...e of its products Repair information If the CVM03050 equipment controller fails to operate within its specifications replace the unit For a replacement unit contact the nearest Johnson Controls repres...

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