Carel · Welkom

PLC & Controller Programming for Carel Systems in Craft Breweries | Welkom Industrial

Controller configuration, defrost strategies and supervisory integration. We support Carel electronic controllers and humidity systems running R404A, R134a in craft breweries across Welkom Industrial and Welkom Industrial.

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Technical highlights

SAQCC Gas certified plc & controller programming

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

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 Welkom Industrial, Welkom

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

Craft Breweries duty on Carel plant

Glycol chillers, cold liquor tanks and keg cold rooms

Typical system duty	−4 °C to +12 °C (Full plant control range)
Design humidity	60–70% 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, SAQCC Gas, HACCP, 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 Welkom Industrial and surrounds off the N1 / R30

Local context

Working in Welkom Industrial

We service Welkom Industrial and the surrounding blocks of Welkom Industrial, Welkom, with access off the N1 and R30. Dry heat by day and sharp frost by night stress door heaters, oil viscosity and defrost timing in equal measure.

Glycol duty against fermentation exotherm and crash cooling A stalled crash cool ruins a fermentation batch

Compliance

Documentation you receive

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

FAQ

Carel plc & controller programming in Welkom Industrial

How fast can a technician service Carel equipment at a craft breweries site in Welkom Industrial?

Welkom Industrial sits on the N1 and R30, so our Welkom dispatch reaches most Welkom Industrial sites inside a standard callout window. Emergency plc & controller programming runs 24/7 because a stalled crash cool ruins a fermentation batch.

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?

Craft Breweries run at −4 °C to +12 °C at 60–70% RH, with plc & controller programming performed against Full plant control range. A stalled crash cool ruins a fermentation batch

Related services & locations

Get started

Schedule an on-site diagnostic in Welkom Industrial

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.