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General| Brand | Viessmann |
|---|---|
| Model | NC-Box |
| Category | Heating System |
| Language | English |
Pre-assembled unit for natural cooling function with brine/water heat pumps up to 17 kW.
Explanation of warning symbols and notes for safe operation.
Identifies authorized personnel and lists regulations to be observed during installation.
Safety precautions for electrical isolation and handling live components.
Explanation of symbols and details on NC-Box design, function, and compatible heat pumps.
Describes on-site pipework and connection set methods for hydraulic hookup.
Precautions against damage from impacts, compression, and tensile loads on appliance panels.
Ensuring a dry, frost-free room with ambient temperatures between 0 and 35°C.
Instructions for physically mounting the NC-Box, with or without a connection set.
Procedure for opening the unit, including removing casing parts.
Steps for closing valves and draining heat transfer medium before connecting pipes.
Details required primary and secondary circuit connections for heating/cooling circuits.
Details required primary circuit connection for separate cooling circuits.
Specified torques for fitting union nuts for hydraulic connections.
Procedure for mounting and connecting the contact humidistat for condensate monitoring.
Warnings about injury from damaged wiring and incorrect connections.
Details on heat pump connecting cable (NC signal) and KM BUS cable.
Installation of isolators and RCDs for electrical safety.
Connecting NC-Box power to the heat pump control unit, fuse protection.
Filling and venting circuits, and setting parameters for cooling operation.
Lists major assemblies and components, including part ordering details.
Visual representation of electrical connections with labels for components and terminals.
Key dimensions, weight, ambient temperature limits, and hydraulic connection sizes.
Lists standards and directives the NC-Box complies with, including CE marking.
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