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 – Bill Sircy –MRT’s/Software – Joe Long –Splits – John Ferrel –Back-up –John. –

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

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

SERIAL NUMBER SEARCH SRT & MRT UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

CMX–C and CMX-D SERIAL 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 UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

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 WITH ATTACHMENTS… UNIT WIRING DIAGRAMS UNIT CHARGE CHARTS UNIT BOM UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

KNOCKOUTS ISSUE: Knockouts falling off panels during shipment ROOT CAUSE: Excessive force used in press Dies not balanced UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

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

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

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

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

SRT RTU-OPEN With Humidi- Mizer® System UPDATE 48/50 TC SIZE 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 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)

UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution 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 Q (TBA)

CMX-C Coil Improvement 16 D E V I UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution

2013 CMX-C Coil Improvements 17 UTC Climate | Controls | Security Confidential and Proprietary Information Not for Further Distribution