Assessments - 2, GPA: 4 ( )

Fabricante : Carrier Arquivo Tamanho: 272.76 kb Arquivo Nome : Língua de Ensino:

Before beginning any modification, make sure all power is disconnected to the unit and locked out. Failure to disconnect power supply prior to servicing may result in serious injury. All wiring must comply with applicable national and local codes. Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment. Untrained personnel can perform the basic maintenance functions of replacing filters. All other operations should be performed by trained service personnel. When working on air- conditioning equipment, observe precautions in the literature, tags and labels attached to the unit, and other safety precautions that may apply. Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for unbrazing operations. Have fire extinguishers available for all brazing operations. When removing panels from the unit, be careful not to damage the roof or other surfaces with the panels. GENERAL The Apollo control is a relay pack which is factory wired and mounted in the Carrier rooftop unit. The Apollo control allows the unit to be connected to a thermostat and a communication bus. The rooftop unit can then be used as part of a system which is controlled by devices on the communication bus. The thermostat and communication bus wiring must be field installed. Do not turn on unit power until Apollo control and thermo stat have been installed. Unit is shipped with loose leads which may cause electrical shock or death. Carrier TEMP System — The Carrier TEMP System usually consists of more than one thermostat and can be expanded to meet whatever number of single zone systems are required. The TEMP System thermostat maintains proper temperatures by controlling the amount of heated or cooled air supplied to the area in which it is installed or the area it controls (if using a remote room sensor). Each thermostat is responsible for controlling the temperature conditions in its space. Each thermostat will maintain its own independent occupied/unoccupied time schedule and heating (if applicable) and cooling set points. This allows the user to program the TEMP System thermostat so that it will maintain different temperature ranges at different times. TEMP System Components — The Carrier TEMP System consists of one or more thermostats that communicate by way of a communication bus. Each thermostat controls an Apollo control which in turn controls the Carrier rooftop unit. See Fig. 1. Each thermostat can be connected to others to provide communication between thermostats. Only one thermostat per system can have a timeclock that will broadcast time to the rest of the system. See Fig. 2. TEMP SYSTEM THERMOSTATS — The 33CSTMT-01, or 33CSVMT-XX (with timeclock) and 33CSTM-01 or 33CSVM-XX (without timeclock) TEMP System thermostats (see...

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