Carel · Gqeberha

PLC & Controller Programming for Carel Systems in Third-Party Cold Storage (3PL) | Coega

Controller configuration, defrost strategies and supervisory integration. We support Carel electronic controllers and humidity systems running R404A, R744 in third-party cold storage (3pl) across Coega and Coega SEZ.

Request a site assessment 069 268 0988 WhatsApp

Technical highlights

SAQCC Gas certified plc & controller programming

SANS 10147 pressure and gas compliance, genuine Carel OEM parts and rapid dispatch to Coega.

SAQCC Gas registered technicians handling R404A, R744
SANS 10147 pressure vessel and installation compliance
Genuine Carel OEM parts — Carel EVD Evolution drivers, NTC/ratiometric probes and pGD terminals
1–2 days per plant to Coega, Gqeberha

Common maintenance vectors

What we find on these systems

Default parameter sets left in place
Defrost timing mismatch
Alarm bands set too wide
EVD driver alarms from a mis-set superheat target
Corroded probe terminations in high-humidity rooms
Lost parameter sets after unprotected power dips

Dynamic specifications

Third-Party Cold Storage (3PL) duty on Carel plant

Racked freezer stores, dock chill and blast capacity

Typical system duty	−25 °C to +4 °C (Full plant control range)
Design humidity	85–90% RH
Recommended gas / pressure class	R404A, R744 — handled by SAQCC Gas registered technicians
Equipment platform	Carel Electronic controllers and humidity systems — pCO/pRack controllers, EVD Evolution driver, humiSteam humidification
Compliance frameworks	HACCP, SANS 10147, SAQCC Gas, ISO 22000, SAQCC Gas registration
OEM parts held	Carel EVD Evolution drivers, NTC/ratiometric probes and pGD terminals
Service deliverable	Parameter backup file and as-programmed schedule
Response / lead time	1–2 days per plant
Location hub	Serving Coega SEZ, Port of Ngqura and surrounds off the N2 / R335

Local context

Working in Coega

We service Coega SEZ, Port of Ngqura and the surrounding blocks of Coega, Gqeberha, with access off the N2 and R335. Coastal salt-laden air plus wide day-night temperature swings demand coated coils and tight vapour barriers.

Multi-client, multi-temperature racked storage running 24/7 A single plant outage puts several clients' stock at risk

Compliance

Documentation you receive

HACCP
SANS 10147
SAQCC Gas
ISO 22000
SAQCC Gas registration
Parameter backup file and as-programmed schedule

FAQ

Carel plc & controller programming in Coega

How fast can a technician service Carel equipment at a third-party cold storage (3pl) site in Coega?

Coega sits on the N2 and R335, so our Gqeberha dispatch reaches most Coega SEZ sites inside a standard callout window. Emergency plc & controller programming runs 24/7 because a single plant outage puts several clients' stock at risk.

Do you stock OEM components for Carel systems?

Yes — Carel EVD Evolution drivers, NTC/ratiometric probes and pGD terminals. Carel (Italy) equipment on R404A/R744 charges is supported with the fast-moving spares held at our Pretoria North workshop and non-stock items brought in on OEM order.

What pressure testing and gas compliance certificates are provided?

Every plc & controller programming job closes with a pressure test record and gas handling Certificate of Conformance issued under SANS 10147 by a SAQCC Gas registered technician, plus the HACCP documentation your auditors expect.

What operating envelope do you commission this equipment to?

Third-Party Cold Storage (3PL) run at −25 °C to +4 °C at 85–90% RH, with plc & controller programming performed against Full plant control range. A single plant outage puts several clients' stock at risk

Related services & locations

Get started

Schedule an on-site diagnostic in Coega

Tell us what you need cooled and where. We respond with a scoped quote, and for emergencies we dispatch straight away.

Phone / WhatsApp: 069 268 0988
Email: info@reyds.co.za
Workshop: 386 Eeufees Street, Pretoria North, Gauteng
Hours: Mon–Fri 07:00–17:00, Sat 08:00–13:00. 24/7 emergency breakdown line.