Carel · Johannesburg

PLC & Controller Programming for Carel Systems in Wineries & Wine Cellars | Selby

Controller configuration, defrost strategies and supervisory integration. We support Carel electronic controllers and humidity systems running R404A, R134a in wineries & wine cellars across Selby and Selby Industrial.

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 Selby.

SAQCC Gas registered technicians handling R404A, R134a
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 Selby, Johannesburg

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

Wineries & Wine Cellars duty on Carel plant

Must chillers, barrel cellars and cold stabilisation tanks

Typical system duty	+8 °C to +16 °C (Full plant control range)
Design humidity	70–80% RH
Recommended gas / pressure class	R404A, R134a — handled by SAQCC Gas registered technicians
Equipment platform	Carel Electronic controllers and humidity systems — pCO/pRack controllers, EVD Evolution driver, humiSteam humidification
Compliance frameworks	SANS 10147, GLOBALG.A.P., 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 Selby Industrial and surrounds off the M2 / N17

Local context

Working in Selby

We service Selby Industrial and the surrounding blocks of Selby, Johannesburg, with access off the M2 and N17. Highveld summers push afternoon ambients past 32 °C with heavy thunderstorm humidity, so condensers here are sized with a generous approach and cleaned before every summer.

Harvest-season must chilling and tartrate stabilisation Fermentation temperature spikes strip aroma compounds

Compliance

Documentation you receive

SANS 10147
GLOBALG.A.P.
SAQCC Gas registration
Parameter backup file and as-programmed schedule

FAQ

Carel plc & controller programming in Selby

How fast can a technician service Carel equipment at a wineries & wine cellars site in Selby?

Selby sits on the M2 and N17, so our Johannesburg dispatch reaches most Selby Industrial sites inside a standard callout window. Emergency plc & controller programming runs 24/7 because fermentation temperature spikes strip aroma compounds.

Do you stock OEM components for Carel systems?

Yes — Carel EVD Evolution drivers, NTC/ratiometric probes and pGD terminals. Carel (Italy) equipment on R404A/R134a 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 SANS 10147 documentation your auditors expect.

What operating envelope do you commission this equipment to?

Wineries & Wine Cellars run at +8 °C to +16 °C at 70–80% RH, with plc & controller programming performed against Full plant control range. Fermentation temperature spikes strip aroma compounds

Related services & locations

Get started

Schedule an on-site diagnostic in Selby

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.