Installation and Commissioning Guide - Wall Hung Split System
Doc. No.9590-5007
Ver. 2 210416
Installation and Commissioning Guide
Wall Hung Split System
46
CAUTION
Do Not Use High Alkaline Detergent !
When using detergent for coil cleaning, ensure that the alkaline level is no higher than 8.5, which can cause corrosion damage to
the coils.
Coil Cleaning Procedures
•
Disconnect power to the unit.
•
Remove the louvered panels from the unit to gain access to the air inlet side of the coils.
•
Use a soft brush to remove loose dirt and debris from both sides of the coils.
•
Straighten bent coil fins with fin comb.
•
Prepare the detergent solutions according to the manufacturer’s instructions.
•
Spray solution at a 90
o
angle to the coils, keeping a minimum nozzle spray angle of 15
o
, with at least a 1800mm distance
from the coils and 600 psi pressure.
•
Spray leaving air side of the coils first then the air inlet side. Allow the solution to stand on the coils for five minutes.
•
Rinse both sides of the coils with cool clean water.
•
Inspect the coils, if they are still dirty, repeat the cleaning procedure.
•
Clean and wipe dry the outer and inner sides of the unit, the refrigerating parts and other components.
•
Ensure that the condensate drain lines are not blocked.
•
Reinstall all unit panels, covers and guards.
•
Restore electrical power to the unit.
16. Maintenance Frequency Checklist
Regular servicing of equipment by a qualified technician is recommended every 12 months for residential applications and
every quarter for commercial applications. Regular servicing of your unit helps in maintaining its optimum performance
and reliability.
The following checklist and service periods are provided as a guide only, as some sites may require
more frequent servicing.
Electrical
Parts
Service Frequency
Detail of Service Check
Service Methods
1
Mth
3
Mth
6
Mth
1
Yr
2
Yrs
3
Yrs
4
Yrs
5
Yrs
Printed Circuit
Boards
Visual Inspection.
Tighten Terminals as necessary on
printed circuit boards.
Electrical
Connections
Check all electrical
terminals, mains,
communications, etc.
Re-tighten if loose.
Magnetic
Contactor
Check for loose terminal
connections.
Tighten electrical terminals.
Remove any dust.
Содержание WRC-026CS
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