UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further...

UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

Lt. Commercial Product Updates

2013 Zone Service Manager’s Meeting

Light Commercial Product Support Matrix

• Robin Craft– SRT’s– Robin.Craft@carrier.utc.com– 317-240-5329

• Bill Sircy– MRT’s/Software– Bill.Sircy@carrier.utc.com– 317-240-5336

• Joe Long– Splits– Joe.Long@carrier.utc.com– 317-240-5114

• John Ferrel– Back-up– John. A.Ferrel@carrier.utc.com– 315-708-8313

SERIAL NUMBER SEARCH

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SERIAL NUMBER SEARCH

UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

SERIAL NUMBER SEARCH SRT & MRT

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CMX–C and CMX-DSERIAL NUMBER INFORMATION

• SERIAL NUMBERS WITH “C” OR “P”

• Click on the link• new screen appears with a text

box• Type in serial number/s• Click submit• Option for more than one exists by

use of the “add” button

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ETP

SERIAL NUMBER INFORMATION

SERIAL NUMBERS WITH “G”CLICK ON THE LINK

NEW SCREEN APPEARS

TYPE NUMBER IN SUBJECT LINE ( SN * 2013Gxxxxx)

CLICK SEND

A SHORT TIME LATER …

RECEIVE AN EMAIL WITH ATTACHMENTS…

UNIT WIRING DIAGRAMS

UNIT CHARGE CHARTS

UNIT BOM

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tylapps@carrier.utc.com

KNOCKOUTS

ISSUE:Knockouts falling off panels

during shipment

ROOT CAUSE:

Excessive force used in press

Dies not balanced

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KNOCKOUTS

CORRECTIVE ACTION

Factory:Adjustments made to the Die

balancing process

Tab size was increased at CMX-D

Containment 5/23/2013

Long term corrective action:

Units ordered with NFD’s will have knockout panels only, as well as RC replacements.

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Humidi-Mizer® System Update

UPDATE :

Freeze protection thermostat wired in series with the solenoid valves and not the compressor(s), keeping the compressors running, causing the evaporator coil to freeze up and possible overcooling the space.

48TC 3-12.5 TON

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Humidi-Mizer® System Update

Locate FPT sensor wiring. If necessary, move to the

compressor contactor to allow the compressor(s) to shutdown to

prevent coil freeze up and overcooling the space.

Field instructions are being completed and will become

available thru RC

Factory wiring revision implemented on 8/28/2013

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48TC Humidi-Mizer® System PIPING UPDATE

• Units Affected:48/50 TC04,05,06,07,08,09,12,14 HGRH

• Factory Modification:REPLACE EQUALIZER FLARED TUBE & SUCTION LINE SIDE PORT WITH A STRAIGHT END TUBE & BRAZE JOINT. (SAME AS HC UNITS) to assist with error proofing

• Reason for Modification:MFG ADDING SCHRADER CORES

• Implemented 8/28/2013

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SRT RTU-OPEN With Humidi-Mizer® System UPDATE

48/50 TC SIZE 04-14

FIOP RTU-OPEN with Humidi-Mizer

The connection of the humidistat to

the control board was a field required

connection of the 2 pink wires

provided in the control box (loose)

• Humidistat will be wired to the RTU-OPEN board at J11, terminals 7 & 8 at the factory when both FIOP’s are installed

• Factory wiring revision implementation - 8/28/2013

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UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

48/50 LC with RTU OPEN

• COMING SOON!

SRT 48/50LC 3-5 TON

Units will have RTU OPEN as a factory installed option

Electro-mechanical with a new ICS board

# HK50AA054 (RCD Service Replacement)

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48/50 LC with Humidi-Mizer® System

• COMING SOON!

SRT 48/50LC 3-5 TON

Units will have Humidi-Mizer as a factory installed option

Electro-mechanical with a new ICS board

# HK50AA054

Integrated logic for Humidi-Mizer

Available – Release Q1 2014 (TBA)

CMX-C Coil Improvement

16

D

E V

I

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2013 CMX-C Coil Improvements

17UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution