Carrier 37MARAQ12AA1 - Performance Check

37MARAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
30
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:_________
NOTE: Final Charge Amount must be recorded!
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:
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
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 INTERFERENCE