Carel · Bloemfontein

PLC & Controller Programming for Carel Systems in Table Grape Packhouses | Estoire

Controller configuration, defrost strategies and supervisory integration. We support Carel electronic controllers and humidity systems running R404A in table grape packhouses across Estoire and Estoire 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 Estoire.

SAQCC Gas registered technicians handling R404A
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 Estoire, Bloemfontein

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

Table Grape Packhouses duty on Carel plant

Forced-air tunnels, SO₂ fumigation rooms and holding chambers

Typical system duty	−0.5 °C to +1 °C (Full plant control range)
Design humidity	90–95% RH
Recommended gas / pressure class	R404A — handled by SAQCC Gas registered technicians
Equipment platform	Carel Electronic controllers and humidity systems — pCO/pRack controllers, EVD Evolution driver, humiSteam humidification
Compliance frameworks	PPECB, GLOBALG.A.P., SANS 10147, 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 Estoire Industrial and surrounds off the N1 / N8

Local context

Working in Estoire

We service Estoire Industrial and the surrounding blocks of Estoire, Bloemfontein, with access off the N1 and N8. Dry heat by day and sharp frost by night stress door heaters, oil viscosity and defrost timing in equal measure.

Rapid 4-hour pull-down windows after field heat arrival Slow pull-down causes SO₂ pad burn and berry shatter

Compliance

Documentation you receive

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

FAQ

Carel plc & controller programming in Estoire

How fast can a technician service Carel equipment at a table grape packhouses site in Estoire?

Estoire sits on the N1 and N8, so our Bloemfontein dispatch reaches most Estoire Industrial sites inside a standard callout window. Emergency plc & controller programming runs 24/7 because slow pull-down causes so₂ pad burn and berry shatter.

Do you stock OEM components for Carel systems?

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

What operating envelope do you commission this equipment to?

Table Grape Packhouses run at −0.5 °C to +1 °C at 90–95% RH, with plc & controller programming performed against Full plant control range. Slow pull-down causes SO₂ pad burn and berry shatter

Related services & locations

Get started

Schedule an on-site diagnostic in Estoire

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.