Central AC Units Check List

Published on June 2016 | Categories: Documents | Downloads: 38 | Comments: 0 | Views: 168
of 1
Download PDF   Embed   Report

Comments

Content

MAINTENANCE CHECK LIST FOR CENTRAL SPLIT/PACKAGE & ASSOCIATED EQUIPMENTS
Location :
Unit Details :
Contractor :
Type of Unit :
S.No.
1
2
3
4
5
6

7

8
9
10
11
12
13
14
15
16

Description

Monthly
OK Not Ok

Quarterly
OK Not Ok

Half Yearly
OK Not Ok

Yearly
OK Not Ok

Check for abnormal operating noise and vibration,
replace vibration isolators if required.
Check for abnormal heating of electrical switch
gear/starter/panels
Check oil level/condition in crankcase & top up if
required, check crankcase heater.
Check & record refrigerant and oil pressures/top
up if required. Check for moisture in refrigerant
Visual inspection of condenser/evaporator fan
motors to ensure correct direction of rotation.
Check/inspect for any signs of refrigerant leaks,
repair and charge refrigerant if required.
Check to ensure that condenser/evaporator fans
motor bearing are not over heating & there is no
abnormal noise. if found, repair/replace as
required
Check & record compressor motors/system
amps/voltage of the unit for any abnormality.
Inspect air/duct filters, check differential pressure
across filters, clean & replace if required.
Check blower belts, for proper tension and
alignment and rectify/replace if required.
Check and clean the condensate traps and check
blockage in drain pipes.
Check LP & HP safety cut out for there proper
functioning, repair/replace if required
Check controls, fan speed, thermostat, electrical
connection, PCB, contactor, over load
etc.replace/repare if required
Check control/electrical wiring for cleanness &
tightness.
Check operation of linkage, blades, and fusible
link of dampers and fire dampers
Wash condenser coils with high water pressure

17
Clean supply air grill/diffusers and return air grills
18

Inspect filter drier/drier core and change if required
19 Check all holding down bolts, vibration isotaor.
20 Check compressar mounts/body, clean/repaint

Submitted by :
CONTRACTOR REPRESENTATIVE

Senior Forman

Senior Supervisor

Remarks

Sponsor Documents

Or use your account on DocShare.tips

Hide

Forgot your password?

Or register your new account on DocShare.tips

Hide

Lost your password? Please enter your email address. You will receive a link to create a new password.

Back to log-in

Close