Standard Maintenance; Level 1 Maintenance (See Note Opposite); Level 2 Maintenance (See Note Opposite); Level 3 (Or Higher) Maintenance (See Note Below) - Carrier AquaSnap 30RB Series Installation, Operation And Maintenance Instructions

11.7 - Other options and accessories
accessories
Connection sleeve
Energy Management Module EMM
Scrolling Marquee Interface
Power cable connection side extension
Connection sleeve, standard unit

12 - STaNDaRD MaINTENaNCE

Air conditioning equipment must be maintained by profes-
sional technicians, whilst routine checks can be carried out
locally by specialised technicians.
simple preventive maintenance will allow you to get the
best performance from your hvaC unit:
• improved cooling performance
• reduced power consumption
• prevention of accidental component failure
• prevention of major time-consuming and costly work
• protection of the environment
There are five maintenance levels for HVAC units, as
defined by the AFNOR X60-010 standard.

12.1 - level 1 maintenance (see note opposite)

Simple procedure can be carried out by the user:
• Visual inspection for oil traces (sign of a refrigerant leak),
• Air heat exchanger (condenser) cleaning - see chapter
'Condenser coil - level 1',
• Check for removed protection devices, and badly
closed doors/covers,
• Check the unit alarm report when the unit does not work
(see report in the 30RB Pro-Dialog Plus control manual).
• Verification of the charge in the liquid line sight glass,
• Verify that the temperature difference between the
heat exchanger inlet and outlet is correct.
• General visual inspection for any signs of deterioration.

12.2 - level 2 maintenance (see note opposite)

This level requires specific know-how in the electrical,
hydronic and mechanical fields. It is possible that these
skills are available locally: existence of a maintenance
service, industrial site, specialised subcontractor.
In these cases, the following maintenance operations are
recommended.
Carry out all level 1 operations, then:
• At least once a year tighten the power circuit electrical
connections (see table with tightening torques opposite).
• Check the expansion tank for signs of excessive corro-
sion or gas pressure loss and replace it, if necessary.
• Check and retighten all control/command connections,
if required (see table with tightening torques opposite).
• Remove the dust and clean the interior of the control
boxes, if required.
Description
- Piping to be welded with Victaulic connection
- See controls manual
- Remotely installed user interface (communication
bus)
- Side extension on the power control to allow a
reduced cable bend radius
- Water inlet/outlet extension for connection with a
Victaulic collar on the water inlet/outlet piping
advantages
Ease-of-installation
Easy connection by wired connection to a building
management system
Remote chiller control up to 300 m
Use of thicker power cables
Facilitates connection
• Check the presence and the condition of the electrical
protection devices.
• Check the correct operation of all heaters.
• Replace the fuses every 3 years or every 15000 hours
(age-hardening).
• Check the water connections.
• Purge the water circuit (see chapter 'Water flow control
procedure').
• Clean the water filter (see chapter 'Water flow control
procedure').
• Fully clean the condensers with a low-pressure jet and
a bio-degradable cleaner (counter-current cleaning -
see chapter 'Condenser coil - level 2).
• Replace the stuffing box packing of the pump after
10000 hours of operation.
• Check the unit operating parameters and compare
them with previous values.
• Keep and maintain a maintenance sheet, attached to
each HVAC unit.
All these operations require strict observation of adequate
safety measures: individual protection garments, compliance
with all industry regulations, compliance with applicable
local regulations and using common sense.

12.3 - level 3 (or higher) maintenance (see note below)

The maintenance at this level requires specific skills/approval/
tools and know-how and only the manufacturer, his repre-
sentative or authorised agent are permitted to carry out
these operations. These maintenance operations concern
for example:
• A major component replacement (compressor,
evaporator),
• Any intervention on the refrigerant circuit (handling
refrigerant),
• Changing of parameters set at the factory (application
change),
• Removal or dismantling of the HVAC unit,
• Any intervention due to a missed established
maintenance operation,
• Any intervention covered by the warranty.
Note: Any deviation or non-observation of these maintenance criteria will render
the guarantee conditions for the HVAC unit nul and void, and the manufacturer,
Carrier France, will no longer be held responsible.
Use
30RB 162-802
30RB 162-802
30RB 162-802
30RB 302-802
30RB 162-262
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