Maintenance methods of central air conditioning

The contracting methods for the maintenance of central air-conditioning are divided into three methods: large package, medium package and small package. The following Shanghai Central Air-Conditioning Engineering Company will explain in detail:

1 large bag

The big package is a three-year or five-year contract. The contract includes the replacement cost of all parts of the air-conditioning system, maintenance and daily operation management labor costs, daily maintenance and inspection costs, routine two-month comprehensive inspection costs, system cleaning and oil change costs, etc., due to the unit and All problems generated by the system are within the scope of the warranty.

Its characteristics are: high contracting costs, high risks, high profits, large numbers of people, and a certain amount of spare parts inventory. Therefore, in order to balance the failure rate and reduce the risk, the contract is generally more than three years.

2 Medium package

The middle contract contract takes more than two years. Compared with the large contract, it only reduces the management cost of the daily operation personnel (that is, all maintenance, material and labor costs are included, and the operation management cost is not included)

Its characteristics are: high contracting costs, high risks, high profits, large numbers of people, and a certain amount of spare parts inventory. Therefore, in order to balance the failure rate and reduce the risk, the contract is generally more than two years.

3 packets

Small package refers to only the labor cost of repair and maintenance, and does not include any material cost for unit repair and maintenance. When the unit breaks down and needs to be overhauled or needs routine maintenance, the material cost incurred will be re-signed with Party A for the material supply contract , Or we will repair it free of charge by Party A.

Its characteristics are: low contracting costs, low risks, low profits, few personnel, and spare parts are not required. The contract is generally signed once a year.

Air conditioner maintenance reminds the air conditioner user and the maintainer to reach an agreement on the daily operation, overhaul and maintenance, emergency maintenance, and seasonal maintenance of the air conditioner, and deliver us a form of cooperation to complete all or part of the above work.

According to customer needs can be divided into

Full-day type: The maintenance party sends technicians to live with the customer for a long time to complete the daily operation, overhaul and maintenance of the refrigeration and air-conditioning equipment, emergency maintenance, and seasonal maintenance.

Regular type: The customer conducts the operation of the equipment by himself, and the maintenance party regularly (once a week or once a month) sends technicians to the customer to conduct overhaul and maintenance of the equipment, seasonal maintenance and emergency maintenance.