REYDSPackhouse & Cold Storage

Danfoss · Upington

PLC & Controller Programming for Danfoss Systems in Potato & Onion Storage | Upington Industrial

Controller configuration, defrost strategies and supervisory integration. We support Danfoss expansion valves, controllers and pressure protection running R404A, R717 in potato & onion storage across Upington Industrial and Upington Industrial.

Technical highlights

SAQCC Gas certified plc & controller programming

SANS 10147 pressure and gas compliance, genuine Danfoss OEM parts and rapid dispatch to Upington Industrial.

  • SAQCC Gas registered technicians handling R404A, R717
  • SANS 10147 pressure vessel and installation compliance
  • Genuine Danfoss OEM parts — Danfoss ETS/TES valve bodies, AKS 32R transmitters and EKC 202 controllers
  • 1–2 days per plant to Upington Industrial, Upington

Common maintenance vectors

What we find on these systems

  • Default parameter sets left in place
  • Defrost timing mismatch
  • Alarm bands set too wide
  • TXV hunting from a lost bulb charge
  • Moisture-frozen orifices on systems with saturated driers
  • Drifting AKS probes causing false superheat readings

Dynamic specifications

Potato & Onion Storage duty on Danfoss plant

Bulk stores with plenum ventilation and humidity control

Typical system duty+4 °C to +10 °C (Full plant control range)
Design humidity85–95% RH
Recommended gas / pressure classR404A, R717 — handled by SAQCC Gas registered technicians
Equipment platformDanfoss Expansion valves, controllers and pressure protection — TXV/ETS electronic expansion, AKS sensors, EKC controllers, KP pressure switches
Compliance frameworksGLOBALG.A.P., HACCP, SANS 10147, SAQCC Gas registration
OEM parts heldDanfoss ETS/TES valve bodies, AKS 32R transmitters and EKC 202 controllers
Service deliverableParameter backup file and as-programmed schedule
Response / lead time1–2 days per plant
Location hubServing Upington Industrial, Upington Agri precinct and surrounds off the N10 / N14

Local context

Working in Upington Industrial

We service Upington Industrial, Upington Agri precinct and the surrounding blocks of Upington Industrial, Upington, with access off the N10 and N14. Extreme summer ambients above 40 °C mean condensers, gas charge and high-pressure protection must be specified for worst-case, not average, days.

Bulk-bin ventilation with sprout-inhibitor cycles Condensation on bins causes rot spread through the stack

Compliance

Documentation you receive

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

FAQ

Danfoss plc & controller programming in Upington Industrial

How fast can a technician service Danfoss equipment at a potato & onion storage site in Upington Industrial?

Upington Industrial sits on the N10 and N14, so our Upington dispatch reaches most Upington Industrial sites inside a standard callout window. Emergency plc & controller programming runs 24/7 because condensation on bins causes rot spread through the stack.

Do you stock OEM components for Danfoss systems?

Yes — Danfoss ETS/TES valve bodies, AKS 32R transmitters and EKC 202 controllers. Danfoss (Denmark) equipment on R404A/R717 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 GLOBALG.A.P. documentation your auditors expect.

What operating envelope do you commission this equipment to?

Potato & Onion Storage run at +4 °C to +10 °C at 85–95% RH, with plc & controller programming performed against Full plant control range. Condensation on bins causes rot spread through the stack

Get started

Schedule an on-site diagnostic in Upington 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.
CallWhatsAppGet Quote069 268 0988