SVR-0224 MIN RESPONSE
Freezer Rooms
Sub-zero holding for frozen and deep-freeze stock
Freezer rooms operating at -18°C and below are unforgiving. When a defrost system fails in a Wonderboom freezer room, ice bridges the coil within hours and the room temperature climbs past the critical -15°C safety threshold where product integrity is lost.
TECHNICAL SPECIFICATION
Freezer Rooms — service specification
Symptoms
- ▸ Temperature rising above -15°C setpoint
- ▸ Thick ice bridging across the evaporator coil
- ▸ Defrost cycle not clearing or draining
- ▸ Frost heave damage to the floor or panels
- ▸ Alarms triggering on the room controller
Root causes
- ▸ Defrost heater element failure or broken termination thermostat
- ▸ Blocked or frozen drain pan and drain line
- ▸ Hot-gas or electric defrost solenoid stuck or leaking
- ▸ Evaporator fan motor failure reducing airflow across the coil
- ▸ Loss of refrigerant charge dropping suction pressure below cut-out
Repair process
- 01 Ice clearance and coil recovery without damaging fins
- 02 Defrost heater, termination and timer circuit diagnosis
- 03 Drain-line thaw, clearance and heat-trace reinstatement
- 04 Refrigerant leak search and recharge to nameplate charge
- 05 Commission with logged temperature pull-down verification
FREEZER ROOMS — AREA COVERAGE
Freezer Rooms across the Wonderboom corridor
Emergency Call
Freezer Rooms? Speak to a technician now
Direct line to a refrigeration engineer. 24/7 emergency breakdown cover across Wonderboom & Pretoria North.
069 268 0988
Enquiries & Quotes
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Cold room design, freezer room installation, service contracts and breakdown reporting.
info@reyds.co.za