Reyds.Heat pumps · Boilers · Steam

Sirac · China

Sirac Industrial Heat Pump Repairs in Johannesburg

Sirac industrial 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.

Industrial heat pump plant is usually multi-module, three phase and tied into a buffer or calorifier bank. Repairs have to account for staged control, flow balancing across modules and the fact that the plant normally cannot be shut down for long. We work off pressure and temperature logs before touching the refrigerant circuit.

Peak draw-off matters more than total daily volume: plant that satisfies a whole day of demand can still fail at a 45-minute shower peak. Sites with long, poorly insulated pipework lose more heat in distribution than most owners expect, which reads as a capacity problem at the outlet.

069 268 0988 info@reyds.co.za
Parts
Controllers, contactors, sensors
Turnaround
Staged repairs so the remaining modules keep carrying load.
Call
069 268 0988

What is included

Scope of work

  • Multi-module and cascade system fault-finding
  • Scroll and semi-hermetic compressor replacement
  • Three-phase starter, VSD and phase-failure relay repairs
  • Plate heat exchanger inspection, flush and replacement
  • BMS and Modbus control integration checks
  • Load balancing across module banks

Technical detail

Specifications

Typical capacities50 kW – 1 MW thermal
ConfigurationsModular banks, cascade, split condenser
ControlModbus RTU/TCP, BMS, standalone PLC
ReportingPressure, superheat and delta-T logs per module
Sirac rangesCommercial modular heat pumps

When to call

Symptoms we see on this equipment

  • One or more modules locked out while the bank still runs
  • Storage temperature dropping during peak draw-off
  • High running cost against previous kWh baseline
  • Repeated high-pressure trips on the lead module

Coverage

Sirac Industrial Heat Pump Repairs by area

Related

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 industrial heat pump repairs include?

Multi-module and cascade system fault-finding, Scroll and semi-hermetic compressor replacement, Three-phase starter, VSD and phase-failure relay repairs, 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?

Where the tank or coil has perforated, replacement is usually the honest answer and we will say so on site. Modular banks where lead/lag sequencing faults are frequently mistaken for capacity shortfall.

Sirac industrial heat pump repairs

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

069 268 0988 Request a quote