Customer Contact Information 
Company Name:    Contact Name:   
Contact Number:    E-Mail Address:   
Site Reference     Date of Visit:   
Site Address   
  Postcode:   
 
System Details 
Indoor Model No.  Indoor Serial No.  Location Served 
     
     
     
     
     
     
     
     
     
     
     
     
     
Outdoor Model No.  Outdoor Serial No.  Location 
     
Drain: Pumped or Gravity  Refrigerant Type  Refrigerant Charge 
     
17 Old Park Lane, London, W1K 1QT    Tel: + 44 (0) 2074 092009 
Mi Commissioning & Installation Checklist 
Checklist  Complete 
1)  Indoor unit correctly located                                 
 
2)  Outdoor unit correctly located                                        
3)  Wall/Roof Penetration sealed                                    
4)  Waffle pad under condensing unit feet                            
5)  Install outdoor unit drain or tray (if required)  
6)  Purge nitrogen while brazing                                             
7)  Pipe work pressure tested (Refer COP)  
8)  Pipe work insulated, secured & covered                 
9)  Evacuation to less than 2 Torr (Refer COP)  
10) Open both L/Line & Suction valves                           
11) Pour 2- 4 litres of water into the evaporator drain tray      
12) Configure wall controller to manufacturer’s manual           
13) Open remote control: insert batteries & set the clock                                      
14) Operate unit in all modes (cool, heat, dry, fan, auto) 
15) Check the operation of the ‘Auto’ function (if fitted)   
16) Measure Suction Pressure                          
 
17) Measure Heard Pressure 
 
18) Compressor run current amps   Amps
19) Measure Indoor ambient temp                                             
20) Measure Indoor supply air temp   ˚C 
21) Measure outdoor ambient temp   ˚C
22) Measure condensing unit ‘air off’ coil temp   ˚C  Δk
23) Superheat: suction line temp              ˚C - SST           ˚C =
24) Add or remove refrigerant according to pipe run (refer to manufacture manuals)  
25) Carry out site clean (walls, replace furniture, pick up all off cuts)