Carel · Gqeberha

Humidity Control Systems for Carel Systems in Table Grape Packhouses | Markman

Dehumidification and humidification to hold product-specific RH bands. We support Carel electronic controllers and humidity systems running R404A in table grape packhouses across Markman and Markman Industrial.

Request a site assessment 069 268 0988 WhatsApp

Technical highlights

SAQCC Gas certified humidity control systems

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

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 weeks to Markman, Gqeberha

Common maintenance vectors

What we find on these systems

Coil design driving over-dehumidification
Condensation on cold surfaces
Steam humidifier scaling
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 (45–95% RH depending on product)
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	RH log across a full operating cycle
Response / lead time	1–2 weeks
Location hub	Serving Markman Industrial and surrounds off the N2 / R335

Local context

Working in Markman

We service Markman Industrial and the surrounding blocks of Markman, 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.

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
RH log across a full operating cycle

FAQ

Carel humidity control systems in Markman

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

Markman sits on the N2 and R335, so our Gqeberha dispatch reaches most Markman Industrial sites inside a standard callout window. Emergency humidity control systems 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 humidity control systems 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 humidity control systems performed against 45–95% RH depending on product. Slow pull-down causes SO₂ pad burn and berry shatter

Related services & locations

Get started

Schedule an on-site diagnostic in Markman

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.