Sirac · China

Sirac Heat Pump Repairs in Johannesburg

Sirac heat pump repairs across Gauteng. Modular banks where lead/lag sequencing faults are frequently mistaken for capacity shortfall.

Sirac equipment we work on includes commercial modular heat pumps. Commonly replaced parts on this brand are controllers, contactors, sensors, and we keep or source these against the unit's model and serial plate rather than by guesswork.

Heat pump repairs cover the refrigeration circuit, the electrical control side and the water side of the unit. Most call-outs we attend start as 'no hot water', but the underlying fault is usually a failed capacitor, a blocked evaporator, a defrost sensor out of tolerance, or a slow refrigerant loss that only shows up under load.

Control scheduling is often the cheapest available improvement, particularly where heating windows overlap with peak tariff periods. Where a site runs on borehole water, hardness and iron content shorten service intervals considerably and are worth testing before setting a maintenance plan.

069 268 0988 info@reyds.co.za

Parts: Controllers, contactors, sensors
Turnaround: Most single-unit repairs are completed in one visit when parts are ex-stock.
Call: 069 268 0988

What is included

Scope of work

Compressor, capacitor and contactor testing and replacement
Fan motor, blade and bearing replacement
Refrigerant leak detection, repair and recharge (R410A, R32, R134a)
Reversing valve, TXV and EEV diagnosis
Controller, sensor and PCB fault-finding
Circulation pump, flow switch and non-return valve replacement

Technical detail

Specifications

Typical capacities	3 kW – 120 kW thermal
Refrigerants handled	R410A, R32, R134a, R417A
Supply	220 V single phase and 400 V three phase
Test equipment	Electronic leak detection, clamp meters, digital manifolds
Sirac ranges	Commercial modular heat pumps

When to call

Symptoms we see on this equipment

Water heats slowly or only to 35–40 °C
Unit runs continuously without reaching setpoint
Ice build-up on the evaporator outside of a defrost cycle
Breaker trips shortly after start-up

Coverage

Sirac Heat Pump Repairs by area

Other Sirac services

FAQs

Frequently asked questions

Are you an authorised Sirac agent?

We are an independent specialist. We repair and maintain Sirac equipment using correct-specification parts, and where a unit is still under manufacturer warranty we will tell you before doing anything that could affect it.

Can you get Sirac parts?

Controllers, contactors, sensors for Sirac are ordered against the model and serial plate. Where an original part has a long lead time we will offer a compatible equivalent and say clearly which one is being fitted.

What does Sirac heat pump repairs include?

Compressor, capacitor and contactor testing and replacement, Fan motor, blade and bearing replacement, Refrigerant leak detection, repair and recharge (R410A, R32, R134a), plus verification that the unit performs to the manufacturer's stated figures after the repair.

Where do you service Sirac equipment?

Across Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria. Call 069 268 0988 to confirm attendance for your address.

Is it worth repairing an older Sirac unit?

We give a repair-versus-replace figure with the quotation so the decision is based on cost, not on guesswork. Modular banks where lead/lag sequencing faults are frequently mistaken for capacity shortfall.

Sirac heat pump repairs

Serving Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria.

069 268 0988 Request a quote