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DLFSOAH: Installation Instructions
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?
•
Was the Deep Vacuum Method used as outlined in the installation manual?
•
Did the System Hold 500 microns for 1 hour?
•
Does the line set match the diameter of the evaporator connections?
•
For Conventional Fan Coils, does the line set match the outdoor unit size?
Single Zone Piping:
Has the liquid pipe length been measured and the additional charge calculated? Size:___________ Length:_________ Charge:____________
NOTES:
PORT
LIQUID SIZE
A
Performance Check
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
A
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 Position
Error Codes
Were there any error codes present at start-up?
Indoor Unit Error Code:
Outdoor Unit Error Code:
Wall Controller:
24V Interface:
Comments:
__________________________________________________________________________________________________________________
__________________________________________________________________________________________________________________
© 2022 Carrier. All rights reserved.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
SUCTION SIZE
MODE
T1
T2
Notes:
YES:______ NO:______
YES:______ NO:_______
YES:______ NO:_______
YES:______ NO:_______
YES:______ NO:_______
LENGTH
CHARGE
NOTES:____________________________________
___________________________________________
___________________________________________
T3
T4
YES:______ NO:______
Edition Date: 12/22
24
Tb
Tp
Th
Catalog No: IM-DLFSOAH-01
LA/Lr
Replaces: NEW
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