Sabroe · White River

PLC & Controller Programming for Sabroe Systems in Deciduous Fruit Packhouses | Rocky Drift

Controller configuration, defrost strategies and supervisory integration. We support Sabroe industrial compressor packages running R717, R744 in deciduous fruit packhouses across Rocky Drift and Rocky Drift Industrial.

Request a site assessment 069 268 0988 WhatsApp

Technical highlights

SAQCC Gas certified plc & controller programming

SANS 10147 pressure and gas compliance, genuine Sabroe OEM parts and rapid dispatch to Rocky Drift.

SAQCC Gas registered technicians handling R717, R744
SANS 10147 pressure vessel and installation compliance
Genuine Sabroe OEM parts — Sabroe valve kits, Unisab control boards and oil separators
1–2 days per plant to Rocky Drift, White River

Common maintenance vectors

What we find on these systems

Default parameter sets left in place
Defrost timing mismatch
Alarm bands set too wide
Unisab sensor faults on legacy panels
Oil cooler fouling reducing capacity
Vibration cracking on discharge pipework supports

Dynamic specifications

Deciduous Fruit Packhouses duty on Sabroe plant

CA rooms, pre-cooling tunnels and grading hall climate

Typical system duty	−0.5 °C to +2 °C (Full plant control range)
Design humidity	90–95% RH
Recommended gas / pressure class	R717, R744 — handled by SAQCC Gas registered technicians
Equipment platform	Sabroe Industrial compressor packages — SMC/HPC reciprocating and screw packages for ammonia and CO₂
Compliance frameworks	PPECB, GLOBALG.A.P., SANS 10147, SAQCC Gas registration
OEM parts held	Sabroe valve kits, Unisab control boards and oil separators
Service deliverable	Parameter backup file and as-programmed schedule
Response / lead time	1–2 days per plant
Location hub	Serving Rocky Drift Industrial and surrounds off the N4 / R40

Local context

Working in Rocky Drift

We service Rocky Drift Industrial and the surrounding blocks of Rocky Drift, White River, with access off the N4 and R40. Lowveld heat and escarpment humidity combine into high wet-bulb loads through the citrus and subtropical pack season.

Controlled-atmosphere rooms held for 4–9 months CA gas-tightness failure ends long-term storage

Compliance

Documentation you receive

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

FAQ

Sabroe plc & controller programming in Rocky Drift

How fast can a technician service Sabroe equipment at a deciduous fruit packhouses site in Rocky Drift?

Rocky Drift sits on the N4 and R40, so our White River dispatch reaches most Rocky Drift Industrial sites inside a standard callout window. Emergency plc & controller programming runs 24/7 because ca gas-tightness failure ends long-term storage.

Do you stock OEM components for Sabroe systems?

Yes — Sabroe valve kits, Unisab control boards and oil separators. Sabroe (Denmark) equipment on R717/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 PPECB documentation your auditors expect.

What operating envelope do you commission this equipment to?

Deciduous Fruit Packhouses run at −0.5 °C to +2 °C at 90–95% RH, with plc & controller programming performed against Full plant control range. CA gas-tightness failure ends long-term storage

Related services & locations

Get started

Schedule an on-site diagnostic in Rocky Drift

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.