Condensate Drain Pans; Fan Motor Assembly; Heat Exchange Coil; Ce Certificate Of Conformity - Carrier 42KY Installation, Operation And Maintenance Instructions

5.2. Condensate drain pans

The main and auxiliary condensate drain pans must be kept clean. The pans and drainage fittings may be completely cleaned
using non-abrasive, water-based detergents. Also check periodically that the drain pipe is not blocked.
When using our device as a filtration cassette, according to standard VDI 6022, it is essential to clean the condensate drain pan.
 Removing the pans:
- To remove the auxiliary pan:
- Unscrew the bolt under the pan (Fig. 17, b).
- Then unclip it from its location.
- Refit the bolt on the cassette (Fig. 17, a).
- To remove the main pan.
- Open and remove the intake grille on the diffuser (Fig. 18, a).
- Loosen the 4 bolts (Fig. 18, d).
- Pivot the 4 bolts holding the diffuser in position (Fig. 18, c).
- Remove the panel (Fig. 18, d).
- Remove the 4 brackets (8 bolts) (Fig. 18, e)
- Swivel the pan (approximately 30°) downwards (Fig. 18, f) and release it from its retaining lugs. (Fig. 18, g)
To refit, perform the operation in reverse order.

5.3. Fan motor assembly

From time to time, check that the fan-blades and the motor are clean. If necessary, clean them using a vacuum cleaner, taking
care to ensure they are not damaged.
The electric motor's bearings are lubricated for life and do not require specific maintenance.
 Removing the fan motor assembly:
- Open the electrical box
- Disconnect the wires in the fan motor wiring loom from the terminal strip.
- Follow the same procedure as for disassembling the main pan (Fig. 18) (see section 5.2 Condensate drain pans)
- Use a screwdriver to undo the screw securing the fan wheel and its foolproofing device (Fig. 19), and remove the fan wheel.
- Remove the grommet cap (Fig. 20, a)
- Pull the fan motor assembly wiring loom towards the interior of the casing
- Undo the 3 motor retaining screws and remove the motor (Fig. 20, b).
To refit, perform the operation in reverse order.

5.4. Heat exchange coil

A clean coil is crucial to the efficiency of the unit. If necessary, clean the coil with a vacuum cleaner.
If the coil must be disassembled on account of a leak:
Disconnect the electrical supply to the unit before carrying out any work.
 Removing the coil:
- Isolate the unit hydraulically from the network and drain the coil.
- Disconnect the coil inlets and outlets
- Next, follow the same procedure as for disassembling the main pan (Fig. 18) and the fan motor assembly (Fig. 20) (see
sections 5.2 Condensate drain pans and 5.3 Fan motor assembly)
- Undo the 2 screws on the coil retaining clamp (Fig. 21 - a) and the coil connecting plate screw (Fig. 21 - b).
- Remove the coil
To refit, perform the operation in reverse order, remembering to bleed the coil before refilling with water.
5.5. Return/discharge panel
Wipe with a damp, slightly soapy sponge and buff them using a soft, dry cloth.
Never use abrasive products. We shall not be held liable for any type of corrosion.

6. CE CERTIFICATE OF CONFORMITY

CARRIER's products carry the CE mark, demonstrating that they may be sold throughout the European Union. This mark is your
assurance that the products are safe to use.
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