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General| Brand | Zehnder Rittling |
|---|---|
| Model | RC-390 |
| Category | Heater |
| Language | English |
Illustrates various wall-mounted unit configurations and airflow patterns.
Displays different floor-mounted unit types and their airflow directions.
Shows various ceiling-mounted unit styles and their airflow configurations.
Details steam and hot water heating capacities, including GPM and MBH for various models.
Provides airflow (CFM), coil, blower, and filter specifications like FPI, face area, and dimensions.
Lists motor horsepower, RPM, and Full Load Amperage (FLA) for different unit configurations.
Covers power input in Watts and important notes on circuit ampacity and overcurrent protection.
Provides specific dimensional data for RF and RFI floor-mounted unit models.
Illustrates typical piping connections for hot water and steam on RF/RFI models.
Details dimensions for RS and RSI floor-mounted unit models.
Illustrates piping configurations for RS and RSI floor-mounted units.
Details dimensions for wall-mounted RW, RWI, and RC unit types.
Illustrates piping configurations for wall-mounted RW, RWI, and RC units.
Provides dimensional data for various recessed unit configurations like RRW, RFRW, RRC, RFRWI.
Illustrates piping configurations for recessed unit models.
Details dimensional data for the motorized and manual damper assemblies.
Provides dimensional data for the outside air wall box components.
Introduces Cabinet Unit Heaters and the 2-year warranty, stressing manual review.
Details steps for inspecting shipments for damage and verifying received units against documentation.
Outlines essential safety practices for installation, service, and operation of equipment.
Defines DANGER, WARNING, and CAUTION signal words for hazard identification.
Guides on careful unpacking, inspection for loose parts, and proper storage conditions.
Warns against storing units in corrosive or extreme environments to maintain performance.
Advises on careful handling, avoiding undue force, and secure anchoring for safe installation.
Stresses the need for adequate clearance for electrical enclosures, pipe connections, and filter removal.
Provides instructions for making sweat or solder joint connections to coils and valve packages.
Emphasizes protecting water coils from freezing and testing the system for leaks.
Outlines ductwork installation requirements and methods for freeze protection and vibration isolation.
Guides on using the unit serial tag and wiring diagram for correct electrical hookups.
Details requirements for field wiring, conductor type, NEC compliance, and factory authorization.
Presents typical 120V wiring diagrams and blower motor wiring configuration charts.
Shows typical wiring diagrams for 208V, 240V, and 277V power supplies.
Emphasizes understanding unit operation, options, and controls before initial start-up.
Lists essential checks for blower operation, wiring, panels, filter, and ductwork before start-up.
Details the process of balancing air systems, typically performed by a specialist.
Guides on flushing the hot water system and venting air from coils using vents.
Explains the importance of expert water system balancing and recording operating conditions.
Lists recommended water quality parameters to ensure compatibility and warranty compliance.
Stresses verifying controls operate correctly after other systems are functional and ready.
Provides instructions for repairing scratches and repainting exposed cabinet units.
Outlines general maintenance practices, focusing on motor/blower assembly cleaning and lubrication.
Details procedures for cleaning unit coils and inspecting electrical connections for proper operation.
Covers inspection of valves, piping, strainers, and replacement of throwaway and cleanable filters.
Lists essential information needed for ordering correct replacement parts from the factory.
Provides a comprehensive checklist for receiving, handling, connections, and initial unit start-up.
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