A:
B:
In order to ensure the safe, normal and efficient operation of the a-central air conditioning system, a-b is entrusted with the professional maintenance, inspection and maintenance of the c-ac equipment. This agreement has been concluded between the two parties in accordance with the contract law of the people's republic of china and agreed upon in good faith and in conformity with the agreement。
I. Type and quantity of ac equipment
Ii. Service modalities
B. Protection of air-conditioning systems in a. B is responsible for the normal use of air-conditioning units and the normal and safe operation of the equipment through daily maintenance and maintenance of the ac system. During the term of the contract, all parts and components of the air-conditioning system and the end end end were damaged in use, and if replacement of spare parts is required, party b shall provide and replace spare parts within five days and the cost of spare parts shall be borne by party a. The cost of materials required for air conditioning and the number of replacements are to be borne by and determined by (b) to be guaranteed at the most favourable price。
Iii. Services provided by b
Regular visits and daily maintenance
B is required to provide maintenance to a on a regular basis (twice a year, one month before the start of the cooling and heating season) free of charge, including:
1. 1 host system
1. 1. 1 checks whether the mainframe operating pressure (high pressure, low pressure) is normal and adjusts the pressure appropriately to the prevailing ambient temperature
1. 1. 2 checks the balance of the three-conjunction group of compressors and the reliability of the insulation of the rounding group。
1. 1. 3 thermal tests have been conducted to determine whether the efficiency of the operation of the system meets specified performance indicators。
1. 1. 4 anomalous sound during operation of compressors to determine the lubrication level of the system。
1. 1. 5 control systems: check the integrity of the mainframe screen and the correctness of the parameters set, and check the historical alarm records for the analysis of the alarm content to eliminate the risk。
1. 1. 6 evaporaters: check that the evaporation unit is clean and ensure sufficient heat exchange if the sludge is washed。
1. 2 end system
Check if the windshield is functioning properly, there is no abnormal noise and the wind is entering and entering normally。
1. 3 circuits
1. 3. 1 inspection of the main power supply of the system and the various phase voltages at the end of the circuits, currents:
1. 3. 2 check all contact points for reliable exposure, detect inhaled instant currents, and tighten points to ensure safety
1. 3. 3 control lines are tested to ensure that they are sensitive。
1. 3. 4 various system protection features (e. G., high pressure protection, low pressure protection, overheating protection, sequential protection, etc.) are tested to ensure the safe operation of air conditioning systems。
1. 4 circulation water system
Check whether the circulatory water system meets the system requirements。
After each inspection is completed, the inspection report is completed and signed and filed (one by each party) by the heads of the parties on the ground。
2. Special maintenance
In the case of air-conditioning system malfunctions due to special and irregular causes, the commissioning and overhauling of air-conditioning is performed by skilled refrigeration engineers。
2. 1 add frozen oil
Anticipated refrigerated oil when required。
2. 2 add refrigerant
Refrigerants should be replenished when fluorine losses occur。
2. 3 thermal expansion valve adjusted
3. Maintenance in case of malfunction
3. 1 during the maintenance insurance period, all parts and components of the air conditioners were damaged under normal use and were replaced free of charge by party b and the cost of spare parts was borne by party a. A list of maintenance programmes and costs is submitted to a prior to maintenance, which is followed by confirmation of signature (sequest) for operation, and after maintenance, the results of disposal are reported to a, maintenance work cards are submitted, signed and filed with a。
3. 2 the b side shall explain clearly, guide the proper use of the equipment and make proposals for rationalization。
4. Response time and commitments
4. 1 the a side shall notify b in a timely manner of any failure of the system in its day-to-day work, and b shall arrive at the site within eight hours of such notification for trouble management。
4. 2 in the context of the protection of b, a shall cooperate actively in facilitating the work of b。
4. 3 the cost of spare parts shall be borne by party a if replacement of spare parts is required and provided by party b in the shortest possible time。
Iv. Fees
Schedule of fees
V. Duration of protection
The duration of the air conditioner commission maintenance insurance and maintenance is: years. The period is one year from the day following the date of the contract. After the expiration of the contract, the parties may renew the contract after friendly consultations between them。
Vi. Methodology:
6. 1 the annual maintenance and repair costs of a are payable 50 per cent of the full amount of b after the contract has been signed and the balance is paid within one week of the second inspection of the annual preservation operation。
6. 2 during the term of the contract, all contract and non-contract construction costs shall be settled in real time by a signature stamped on behalf of a。
Vii. Rights and obligations of the parties
7. 1 rights and obligations of party a
7. 1. 1 party a shall pay to party b a protection premium in a timely manner as contracted。
7. 1. 2 information on air conditioning equipment, drawings and records of work are provided to party b。
7. 1. 3 facilitating normal operations of maintenance personnel on side b。
7. 2 rights and obligations of party b
7. 2. 1b undertakes regular maintenance and overhaul of the geothermal pumping system in accordance with the terms and projects approved by a。
7. 2. 2 on each of the regular operations, each party completes a report form, signed and filed by both parties as the basis for the inspection。
7. 2. 3 during the course of the preservation operation, if replacement spare parts are required, party b shall report confirmation to party a that the spare parts costs are borne by party a。
7. 2. 4 maintenance personnel on the side of b shall strictly observe the safety, confidentiality and technical security norms of communications at work。
7. 2. 5 timely submission of the corresponding report to party a after the contract for maintenance and maintenance of air conditioners。
Party 7. 2. 6 b shall establish a customer-specific file for party a, with regular telephone interviews or personnel visits。
Viii. Initial inspection
The parties signed the stamp, and after the entry into force of the agreement, party b will commence the first inspection under the contract within one week to deal with the faults identified by the inspection. However, the replacement of the spare parts in question, which were found to have been damaged at the time of the first inspection and confirmed in the presence of the a personnel, shall be at the expense of a, which will provide the spare parts and replace them at a preferential price。
Ix. Duration and amount of contract
9. 1 duration of contract: to
The total amount of the contract is rmb:
This agreement is one-sided. The parties are clear and have equal legal effect。
11. Failure to do so is resolved by mutual agreement。
A: b:
(stamp)
Responsible:
(signature)
Date:
