Luxury Central air conditioning is considered a luxury rather than an essential in most parts of North America. Air conditioning systems are more common in the southern areas and are more common in humid areas than in dry areas. There are probably more air conditioners per capita in Florida than in California, for example. You probably have a good sense already as to how common central air conditioning (more…)

It might surprise you to know that buying a bigger room air-conditioning unit won’t necessarily make you feel more comfortable during the hot summer months. In fact, a room air conditioner that’s too big for the area it is supposed to cool will perform less efficiently and less effectively than a smaller, properly sized unit. This is because room units work better if they run for relatively long periods (more…)

Introduction Geographically located in a humid subtropical region, over 80% of households In Hong Kong rely on air conditioners to maintain thermal comfort. During the hot seasons, air conditioners can constitute more than 50% of a household’s electricity bill. The purpose of this pamphlet is to provide basic information on procurement, operation and maintenance of residential air conditioning (more…)

There are several heat transfer loops in a refrigeration system as shown in Figure 2. Thermal energy moves from left to right as it is extracted from the space and expelled into the outdoors through five loops of heat transfer: Indoor air loop. In the left loop, indoor air is driven by the supply air fan through a cooling coil, where it transfers its heat to chilled water. The cool air then cools the building (more…)

INTRODUCTION Checking Product Received Upon receiving the unit, inspect it for damage from shipment. Claims for damage, either shipping or concealed, should be filed immediately with the shipping company. Check the unit model number, specifications, electrical characteristics and accessories to determine if they are correct. In the event an incorrect unit is shipped, it must be returned to the (more…)

WELCOME TO EFFICIENT HOME COOLING COMFORT Congratulations on your excellent choice and sound investment in home cooling comfort! Your new air conditioning unit represents both the latest in engineering development and the culmination of many years of experience from one of the most reputable manufacturers of comfort systems. This unit utilizes Carrier’s environmentally friendly Puron® refrigerant. (more…)

WELCOME TO EFFICIENT HOME COOLING COMFORT Congratulations on your excellent choice and sound investment in home cooling comfort! Your new air conditioning unit represents both the latest in engineering development and the culmination of many years of experience from one of the most reputable manufacturers of comfort systems. Your new unit is among the most energy-efficient and reliable air (more…)

Congratulations and thank you for choosing our portable air conditioner. We are sure you will find your new portable air conditioner a pleasure to use and a great asset to your comfort. Before you use the portable air conditioner, we recommend that you read through the whole user manual, which provides the description of the portable air conditioner and its functions. To avoid the risks that are always (more…)

THINK SAFETY 1. Power Supply – from Commercial Utility 1) Wire Size The power supply to the air conditioner must come through a circuit breaker or time delay fuse. The power supply must be 20 amperes and 12 AWG wire minimum. Any size larger wire at any time may be used and should be used if the length of the wire is over 32 feet. 2) Color Code The electric power from the electric service panel should (more…)

Absolutely not Must be done Do not damage the power cord, or do joint work. Piling up heavy objects on the power cable, approaching high temperature supply objects, or doing joint work will cause Do not apply the cold air to the body for a long time. It will deteriorate your physical conditions and cause health problems. WARNING The air conditioner must be grounded. Incomplete grounding may result in (more…)