Caltiq Trading & Contracting

MULTILINK TRADING – DOHA

Annual Maintenance Contract (AMC) forAC Units & Electrical Services

Client: Multilink Trading

Location: Doha, Qatar

Scope: Annual Maintenance Contract (AMC) covering AC units and complete Electrical maintenance services.

PROJECT OVERVIEW

Multilink Trading operates from a commercial facility consisting of office rooms, administrative areas, staff workspaces, storage sections, and client-facing service areas. In these environments, reliable cooling and safe electrical distribution are essential for maintaining comfort, ensuring smooth workflow, and preventing productivity loss. Because the facility depends entirely on Split AC units for cooling, the performance and reliability of these units directly influence daily operations.

Caltiq Trading, Contracting & Maintenance (CTCM) was selected to manage the Annual Maintenance Contract (AMC) for all Split AC units and electrical systems across the property. The goal of the AMC is to ensure consistent cooling, eliminate unexpected breakdowns, reduce operational disruptions, and maintain electrical safety throughout the year.

Caltiq implemented a specialized maintenance program for environments that rely exclusively on split air-conditioning, focusing on efficient operation, rapid corrective support, and preventive inspections.

1. SPLIT AC UNIT MAINTENANCE (PRIMARY SCOPE)

Multilink Trading’s entire cooling infrastructure is built on wall-mounted and high-wall Split AC systems, installed across offices and storage areas. These units must operate continuously, especially during peak summer conditions. Caltiq carried out complete preventive and corrective maintenance, including:

A. Indoor Unit Servicing

B. Outdoor Unit Servicing

C. Drainline & Condensation Management

Drain-related issues are the most common cause of Split AC failure. Caltiq performed:

D. Regular Preventive Maintenance Visits

The AMC included structured servicing cycles:

This ensured the Split AC units performed efficiently year-round.

E. Emergency Breakdown Support

Rapid-response servicing covered:

Quick troubleshooting minimized disruption to office operations.

2. ELECTRICAL SYSTEM MAINTENANCE

Since Split AC units depend on stable electrical supply, Caltiq also performed electrical maintenance to prevent voltage issues, overheating, and tripping incidents.

A. Distribution Board (DB) Servicing

B. Power Supply for Split AC Units

Caltiq inspected:

This reduced AC shutdowns caused by electrical faults.

C. Lighting and General Power Checks

Basic inspections were performed to ensure the office environment remained safe and fully operational, including lighting repairs and minor wiring corrections.

3. TECHNICAL CHALLENGES & SOLUTIONS

Challenge 1: Inconsistent Cooling in Office Areas

Caused by dirty coils and airflow restrictions.
Solution: Deep cleaning of indoor/outdoor coils and airflow balancing.

Challenge 2: Frequent Water Leakage from Indoor Units

Due to clogged drainlines.
Solution: Full drain flushing and tray cleaning.

Challenge 3: AC Tripping During Peak Hours

Electrical load issues affected AC circuits.
Solution: Terminal tightening, breaker replacement, and load redistribution.

Challenge 4: Refrigerant Loss & Low Cooling Performance

Small leaks reduced system efficiency.
Solution: Leak testing, gas charging, and pressure balancing.

PROJECT OUTCOME

With Caltiq’s annual maintenance support, Multilink Trading achieved:

Caltiq remains a reliable engineering partner, ensuring that Multilink Trading maintains a safe, cool, and efficient working environment throughout the year.