Carrier 48gc

However, it is very important that the water rinse is made with a very low velocity water stream to avoid damaging the fin edges. Monthly cleaning as described below is recommended, carrier 48gc.

These packaged air conditioners deliver performance for various ranges of industrial applications. Carrier A Series Rooftop products are pre-wired and charged with refrigerant and tested in both cooling and heating modes at the factory. All models feature an industrial grade cabinet with fully hinged access panels. Superior supply fan performance with up to 3. A wide variety of gas options are available.

Carrier 48gc

Please enter the name by which you would like to log-in and be known on this site. Please enter a password for your user account. Note that passwords are case-sensitive. Remember Me? Results 1 to 9 of 9. Thread: Carrier Axial vane fan motors. Thread Tools Show Printable Version. Carrier Axial vane fan motors Hi new member here. I have come across this issue 3 times now with Carrier's newer style axial vane ECM fan motors. I am having an issue with these units tripping on high limit. I checked my ductwork to make sure I did not have any restrictions. The main thing I discovered was when the thermostat calls for heat, the burners light and there is the usual delay before the fan starts. I checked my fan motor had line voltage and checked the ECM motor was sending out the 10VDC signal to the control board and I checked the control board was returning the appropriate DCV signal back to the motor to signal to start and run.

Clean coil as follows:. I also made sure my manifold gas pressure was correct.

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Hide thumbs. Table of Contents. Quick Links. Service and Maintenance Instructions. Routine Maintenance. Supply Fan Direct-Drive. Staged Air Volume. Condenser Coil. Condenser Coil Maintenance and Cleaning.

Carrier 48gc

Hide thumbs. Table of Contents. Quick Links Download this manual. Service and Maintenance Instructions. Routine Maintenance.

One man 1 screwdriver

All 48N models feature a double wall foam panel cabinet design with hinged man-sized access panels. The multi stage cooling compressor logic allows for added comfort, energy savings and humidity control. For best results, backflush toward return-air section to remove foreign material. Units are pre-wired and pre-charged with Puron RA refrigerant and are factory tested. Which of the following applications apply to you? They are Carrier's most efficient commercial packaged rooftop ever produced and have the some of the industry's highest IEERs available. Carrier N Series rooftop units are pre-wired and factory-tested in both cooling and heating modes. Quick Reply. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Which one of the following best describes you? Ensure surfaces are not allowed to dry before rinsing. Thoroughly apply Totaline environmentally balanced coil cleaner solution to all coil surfaces including finned area, tube sheets and coil headers Hold garden sprayer nozzle close to finned areas and apply cleaner with a vertical, up-and-down motion. All rights reserved. Reconnect wiring. In 3 cases I have seen, on fairly new RTU's, the motor would receive the 8.

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If economizer or two-position damper is installed, remove economizer by disconnecting Molex1 plug and removing mounting screws. California Energy Commission Title 24 Compliant Maintenance Features Large hinged service access doors On-board diagnostics include refrigerant pressure sensors Auto component testing simplifies troubleshooting Standard Double wall construction Installation Features Shipped with RA refrigerant charge Single point electrical service entry, through unit bottom or side Lifting lugs Reliability Features Dual electrically and mechanically independent refrigerant circuits, with coil frost protection, liquid line filter driers, crankcase heaters, and Electronic Expansion Valves EXV standard on all models. The unit needs to be commissioned properly with the fan speed setup. Errors The following errors occurred with your submission. You will need static pressure readings. In 3 cases I have seen, on fairly new RTU's, the motor would receive the 8. Rinsing coils in the opposite direction of airflow is recommended. Results 1 to 9 of 9. Pre-painted exterior panels and primer-coated interior panels tested to hours salt spray protection VAV models use a duct static pressure sensor to vary the units indoor fan motor variable frequency drive VFD while cooling capacity is controlled by the units supply air temperature sensor, to make sure the correct temperature in each zone. All models feature an industrial grade cabinet with fully hinged access panels. Proper eye protection such as safety glasses is recommended during mixing and application. When I checked my supply temp before the would start, I saw deg in the heat exchanger compartment. All rights reserved.