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General| Brand | Daikin |
|---|---|
| Model | Skyline IM 777-8 |
| Category | Air Handlers |
| Language | English |
Describes general installation practices and safety precautions for the unit.
Details procedures for checking and handling units to prevent shipping damage.
Explains the model coding system and unit designations.
Specifies required space around the unit for maintenance access.
Covers safe and proper lifting and rigging procedures for units.
Explains how to mount units on curbs and ensure they are level.
Details the process of joining modular unit sections together.
Provides instructions for securely joining shipping sections.
Details how to remove and access unit panels, frame channels, and doors.
Describes opening fan section doors and related safety precautions.
Discusses the properties and cutting procedure for foam-insulated panels.
Provides instructions for mounting junction boxes and components.
Covers the use of flexible connectors for ductwork and plenum discharge.
Explains access to damper controls and flashing for top connections.
Details the responsibility and process for mounting field-installed actuators.
Describes mounting of face and bypass sections and damper linkage.
Explains the function and installation of isolation dampers for fans.
Covers options for piping vestibules and sealing openings.
Provides instructions for installing a field-supplied vestibule.
General guidelines for designing and installing piping for coils.
Specifics for water supply, return, and drain connections for cooling coils.
Details for DX coils, including distributor and expansion valve connections.
Guidelines for steam supply, return, and piping for steam coils.
Recommendations for steam trap selection, sizing, and installation.
Guidance on selecting and using modulating and two-position valves.
Instructions for installation, use, and maintenance of water heating coils.
Details on installing drain pan traps to prevent drying out.
Procedures for adjusting spring isolators for fan and motor assemblies.
Requirements for seismic stability, anchoring, and mounting procedures.
Covers electrical service, grounding, wiring practices, and VFD connections.
Safety precautions and initial checks before operating the unit.
Comprehensive checklist for pre-operation verification.
Instructions for verifying and setting up Variable Frequency Drives (VFDs).
Procedures for starting the fan and checking rotation.
Guidelines for aligning fan wheels to the inlet funnel for optimal performance.
Torque specifications for setscrews on fan wheels and hubs.
Information on Daikin Fan Array, VFDs, and block-off plates.
Details on airflow measurement using piezometer rings and calculation methods.
Specifies operating limits for fan wheels to prevent distortion or fracture.
Guidelines for acceptable vibration levels and causes of vibration.
Outlines routine checks for wear and connections every six months and annually.
Instructions and recommendations for lubricating motor and fan shaft bearings.
Guidance on replacing sheaves and calculating fan speed.
Instructions for mounting and adjusting VM and VP variable pitch sheaves.
Procedures for mounting and adjusting LVP variable speed sheaves.
Mounting and adjusting instructions for MVP variable speed sheaves.
Procedures for adjusting belt tension and checking for slippage.
Details on removing and replacing filters in front-load options.
Explains the function of filter gauges and typical pressure drops.
General recommendations for cleaning and maintaining coils.
Procedures for draining and treating water coils to prevent freezing.
General guidance for removing and replacing unit components.
Steps for removing the fan cabinet assembly.
Instructions for removing and installing single coils.
Procedure for removing stacked coils.
Steps for removing and installing staggered coils.
Information on ordering replacement parts from Daikin.
Details on Daikin's warranty policy and how to get details.
Procedure for returning defective materials under warranty.
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