Heat Recovery Unit; Electrics Box; Electric Heaters; Hydraulic Coils - Carrier 39HXA Installation, Operation And Maintenance Instructions

Plug & play air handling unit with direct expansion coil
Table of Contents

Advertisement

6 - MAINTENANCE/SERVICE INTERVALS
7. Disconnect the motor's electrical connections
To refit, perform the operations in reverse order.
Check that the box and the connectors are secure before commissioning.

6.3 - HEAT RECOVERY UNIT

6.3.1 - Rotary heat exchangers
Check the rotation speed once a year.
When stationary, the rotary heat exchangers accumulate dust and moisture at their lowest point.
Schedule cleaning during prolonged stoppages.
Check the permanently lubricated bearings once a year.
6.3.2 - Wheel consumption
Power (W)
Constant speed
Voltage (V)

6.4 - ELECTRICS BOX

Retighten the connections twice a year.
Visually inspect the components, wires and cables.

6.5 - ELECTRIC HEATERS

The electric heater requires very little maintenance. However, the following checks are necessary:
Visually inspect the heating elements, wires and connection cables after every 1500 hours of operation.
Check and retighten the connections once or twice a year.

6.6 - HYDRAULIC COILS

The hydraulic coil requires very little maintenance as it is protected by the filter.

6.7 - DX COIL

The DX coil requires very little maintenance as it is protected by the filter.

6.8 - SERVICE INTERVALS

Regular maintenance will keep the unit running at optimum performance. The values given in the table below are provided for guidance
only. They do not take into account individual factors that can lengthen or shorten the unit's service life.
20
8. Take out the FMA
010
020
25
25
230 V 1-Ph
Sizes
030
050
40
90
400 V 3-Ph
075
180

Advertisement

Table of Contents
loading

Table of Contents