Copyright 2020 Carrier Corp D 3300 Riverwood Parkway Atlanta GA, 30339 Edition Date: 12/20 Catalog No. 40MAHB-01SI
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Replaces: NEW
Ductless Start-Up Checklist (CONT)
Piping
Leak Check:
System held 500 psig (max. 550psi) for a minimum of 30 minutes using dry nitrogen. YES:______ NO:______
Evacuation Method:
•
Was the Triple Evacuation Method used as outlined in the installation manual? YES:______ NO:______
• Was the Deep Vacuum Method used as outlined in the installation manual? YES:______ NO:_______
• Did the System Hold 500 microns for 1 hour? YES:______ NO:_______
• Does the line set match the diameter of the evaporator connections? YES:______ NO:_______
• For Conventional Fan Coils, does the line set match the outdoor unit size? YES:______ NO:_______
Single Zone Piping:
Has the liquid pipe length been measured and the additional charge calculated? Size:___________ Length:_________ Charge:____________
Performance Check
NOTE:
• T1 - Ambient Space Temperature Sensor
• T2 - IDU Coil Temperature Sensor
• T3 - Outdoor Coil Temperature Sensor
• T4 - Outdoor Ambient Temperature
• Tb - Suction Line Temperature @PMV
• Tp - Discharge Temperature Sensor
• Th - IPM Board Temperature
• LA/Lr - PMV Temperature
Error Codes
Were there any error codes present at start-up? YES:______ NO:______
Comments:
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NOTES:
PORT LIQUID SIZE SUCTION SIZE LENGTH CHARGE
NOTES:____________________________________
___________________________________________
___________________________________________
A
For 1:1 Single Zone Systems: Adjust the set-point to create an operational call for the desired testing operation. Allow the system to run for a
minimum of 10 min. and record the following details:
(Operational data recorded on applicable heads with the wireless remote controller’s Point Check function)
UNIT
SET-POINT
MODE T1 T2 T3 T4 Tb Tp Th LA/Lr
A
Indoor Unit Error Code: Notes:
Outdoor Unit Error Code:
Wall Controller:
24V Interface:
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