Airedale DeltaChill FreeCool 110kW - 1080kW - Manual (Page 154)

DELTACHILL
™
Chillers
154
Chillers
Installation, Commissioning and Maintenance Manual : 7025232 12 / 2013
Operational Maintenance checks
Owners Responsibility
To ensure that the chiller can be maintained correctly the following requirements are required.

Maintain a safe working environment around the chiller, free from obstructions and debris.

The unit shall follow the following maintenance regime as a minimum.
The equipment contains live electrical and moving parts, ISOLATE prior to maintenance or repair work.
Ensure Lock off procedures is carried out accordingly.
If inverter driven pumps are used ensured at least 5 minutes is allowed for them to discharge any electrical
charge.
Item Task Frequency
Unit Inspection 3 Mths 12 Mths 60 Mths
General
Inspections
Check for visible mechanical damage to unit.

Visually inspect the unit for general wear and tear, treat
metalwork. 
Rust should be inhibited, primed and touched up with matching paint.
Check for excess vibration from other rotating equipment.

Clean Micro Channel condenser coils. Do not steam clean
use detergent and stiff bristled brush. For heavy dirt, use
either a high pressure water with a broad spray pattern or a
non acidic cleaner (Ph <10.5).
Take care not to damage fins.
Steam cleaning can cause dangerously high pressures in
the system and is not recommended.

Electrical
Inspection
Check main power supply voltages

Check electrical terminals are tight.

Check for signs of hot spots/ discolouration on power
cables. 
Check amperages are as per design.

Service tools / Test Equipment

Voltmeter

Screwdrivers/ Allen keys
Safety Equipment

Safety Glasses/ Goggles