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General| Brand | Carrier |
|---|---|
| Model | 42NL series |
| Category | Air Conditioner |
| Language | English |
Defines operational limits for cooling/heating modes, water circuit, and ambient conditions.
Specifies necessary clearances around the unit for installation and maintenance.
Guides on checking shipments and preparing units for installation.
Ensures correct supply voltage and frequency match unit specifications for safe operation.
General safety recommendations for installation, servicing, and protective equipment usage.
Guidelines for qualified electricians and power disconnection for safety.
Details on isolating devices, emergency stops, and control system installation.
Warnings regarding connecting multiple units to a single control device.
Lists essential requirements and European directives the equipment complies with.
Instructions for positioning and supporting the unit within a false ceiling.
Detailed steps for unit installation, including levelling and drain pipe setup.
Procedures for safely disconnecting and removing the unit.
Procedures for fan motor assembly removal, replacement, and wiring.
Instructions for removing the drain pan for maintenance purposes.
Covers the removal and replacement of the water coil component.
Details on plastic spigots, fire rating, and connection methods.
Guidelines for connecting rectangular flanges to unit air inlets and outlets.
Information on optional filter types and methods for accessing them.
Covers constant and variable fresh air controllers and their settings.
Details on valve actuators, replacement, and balancing functions.
Specifications for flexible pipe options, including bending radius and connections.
Procedure for replacing the optional electric heater unit.
Guidance on installing the optional water temperature sensor on the circuit.
Instructions for assembling and installing the optional condensate pump.
