Service Documents
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Customer Contact Information 
Company Name:    Contact Name:   
Contact Number:    E-Mail Address:   
Site Reference     Date of Visit:   
 
Indoor Details 
Model No.  Serial No. 
Location Served  
   
 
Maintenance Interval (Months) 
3 ☐  6 ☐  9 ☐  12 ☐ 
 
Maintenance Activity  
Task  Frequency  Complete/Reading 
Check operation of the system in both heating and cooling mode  Every Visit 
☐ 
Check operation of all functions on the remote controller  Every Visit 
☐ 
Inspect & Clean Unit Air Filter(s)  Every Visit 
☐ 
Check unit for noise and vibration  Every Visit 
☐ 
Check Evaporator Coil for Dirt and Clean as required  Every Visit 
☐ 
Test & Clean drain pump (if fitted) and drip tray  Every Visit 
☐ 
Check Fan Motor and Fan Blade Movement  Every Visit 
☐ 
Check Air On Coil Temperature in Heating  Every Visit  ˚C
Check Air Off Coil Temperature in Heating  Every Visit  ˚C
Check indoor covers are secure & Clean Indoor Casing  Every Visit  ☐ 
 
Additional Notes (remedial/additional work completed, faults, follow-up required etc) 
 
 
 
 
Mi Indoor Maintenance Checklist 
17 Old Park Lane, London, W1K 1QT    Tel: + 44 (0) 2074 092009