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General| Brand | Daikin |
|---|---|
| Model | DPS012 |
| Category | Air Conditioner |
| Language | English |
Explains the meaning of DANGER, WARNING, and CAUTION notices used in the manual.
Outlines the responsibilities of the installer regarding safety and code compliance for equipment installation.
Provides instructions for assembling and installing the roof curb, including warnings about mold and ensuring proper levelness.
Provides safety warnings and instructions for rigging and handling the unit, emphasizing the use of proper lifting points and spreader bars.
Provides guidance on installing ductwork, including airtight connections, flexible connections, and sound transmission considerations.
Explains the procedure for field installing duct static pressure sensor taps for VAV units to ensure proper system operation.
Details how to install static pressure taps for building pressurization control applications, emphasizing proper location and installation.
Provides installation recommendations for static pressure taps in laboratory pressurization applications.
Explains precautions to take to prevent ESD damage to electronic components, including grounding procedures.
Emphasizes that start-up and service must be done by trained technicians and recommends owner/operator presence.
Lists pre-start-up checks and requirements, including notifying inspectors, reviewing literature, and verifying power and gas supply.
Describes the Four-Way Valve (4WV) or Reversing Valve used in heat pumps to direct refrigerant flow for heating and cooling modes.
Describes the Outdoor Expansion Valve (EVO) operation in heating and cooling modes, used for refrigerant expansion in the outdoor coil.
Details the defrost operation on heat pumps, its purpose, mechanism, and the role of supplemental heat.
Discusses advanced charge management systems, electronic expansion valves, and the procedure for refrigerant charging or removal.
Explains the high pressure switch function on each compressor, its pressure limit, and how it interrupts control signals.
Details the Indoor Expansion Valve (EVI) operation in cooling mode, controlling superheat and expanding refrigerant.
Explains the Suction Pressure Transducer (PTS) function in monitoring compressor operating envelope and regulating suction superheat.
Details the Discharge Pressure Transducer (PTD) function in monitoring compressor operating envelope and regulating outdoor fan speed.
Details VFD compressor modulation control, start-up sequence, and operating ranges based on unit model.
Describes VFD compressor control via digital output enable and analog modulating signal, including start sequence.
Explains the unit's sequence for monitoring and restoring oil level in the VFD compressor sump.
Outlines modulating control functions that protect the VFD compressor from damage under abnormal conditions like high pressure.
Details the VFD compressor's upper discharge pressure limit and the speed reduction/lockout procedures.
Explains the function of the discharge temperature sensor and the VFD compressor speed reduction/shutdown procedures.
Describes how the unit monitors and adjusts VFD compressor speed based on discharge superheat levels.
Details the VFD compressor emergency stop control activation, conditions, and lockout procedures.
Discusses the benefits and applications of variable speed scroll compressors for energy efficiency and precise control.
Describes the optical oil sensor used to monitor oil level in the VFD compressor sump and its role in oil boost sequences.
Details the VFD compressor, its factory programming, compatibility, and control setup.
Explains the reheat coil option, its components, and how hot gas is routed to control discharge air temperature during dehumidification.
Details the control and arrangement for MHGRH, including PI loop for valves, compressor staging, and communication with reheat valves.
Describes the design of the electric heat option, including heating coil, DDC staging control, and safety switches.
Introduces the Daikin Tubular Heater Series, its certifications, and installation warnings.
Explains the gas furnace design, including heat exchanger types, safety switches, and clearance requirements.
Provides important installation notes regarding gas supply, technician qualifications, and safety warnings.
Explains the function of the auxiliary limit switch, its manual reset, and its location in different cabinet types.
Details gas piping routing into the unit, including on-the-roof piping, support requirements, and regulator sizing.
Provides detailed procedures for adjusting gas pipe manifold pressure for two-stage and modulating furnaces.
Details the sequence of operation for staged and modulating gas furnace controls in DPS 003–015 units.
Details the sequence of operation for staged and modulating gas furnace controls in DPS 016–028 units.
Outlines responsibilities and preliminary checks for unit start-up, emphasizing safety and technician qualifications.
Provides step-by-step instructions for operating the gas furnace, including safety warnings and turning off gas.
Details the procedure for safely turning off gas to the appliance before servicing.
Provides guidance on planned maintenance, typical service intervals, and specific tasks for burner controls and components.
Explains the typical electrical schematic and LED diagnostics for staged gas furnaces.
Lists LED indicators and their corresponding fault conditions for diagnosing staged gas furnace issues.
Details the typical electrical schematic with sensors for modulating gas furnaces.
Covers variable furnace controller functions and troubleshooting using the VB-1200 guide.
Explains the self-diagnostic capabilities of the Rebel furnace control and how LEDs indicate system state and faults.
Provides information on furnace ID plug and normal furnace operation displays for troubleshooting.
Lists functional alerts, their descriptions, possible causes, and solutions for DPS 003–015 furnaces.
Continues the list of functional alerts, possible causes, and solutions for DPS 003–015 furnaces.
Lists lockout errors, their descriptions, possible causes, and solutions for DPS 003–015 furnaces.
Continues the list of lockout errors, possible causes, and solutions for DPS 003–015 furnaces.
Provides troubleshooting for ignition control on DPS 016–028 staged gas furnaces using the UTEC 1016 Ignition Board.
Lists LED status indicators for modulating control, indicating system status and operational modes.
Shows the electrical schematic for a 2-stage control gas furnace, 300 MBH, DPS 016–028.
Presents the electrical schematic for a 2-stage control gas furnace, 450/600 MBH, DPS 016–028.
Displays the electrical schematic for a 4-stage control gas furnace, 300/450/600 MBH, DPS 016–028.
Shows the electrical schematic for a modulating control gas furnace, 300/450/600 MBH, DPS 016–028.
Describes the design considerations for hot water coils, including freeze prevention and coil configurations.
Details the factory-installed frost protection options available for the enthalpy wheel, including defrost control.
Describes the constant speed frost prevention method, jogging the wheel to avoid frosting.
Explains the variable speed frost prevention method, slowing the wheel to avoid frosting.
Describes thermal dispersion technology and its application in measuring airflow rate and air temperature accurately.
Provides a table for troubleshooting common issues with the transmitter, including LCD display problems and signal fluctuations.
Lists potential causes and remedies for communication issues between the transmitter and the host control system.
Describes how the MicroTech III controller performs ventilation override for smoke purge and how to set the maximum vent speed.
Presents the first part of the typical wiring diagram for CAV/VAV units, 208-230 VAC, DPS 003–006.
Shows the second part of the wiring diagram, detailing sensors, control modules, and various components.
Continues the wiring diagram, illustrating compressor circuits, heating elements, and fan connections.
Completes the wiring diagram, including terminal block details and a wiring legend.
Presents the first part of the wiring diagram for CAV/VAV units, 460 VAC, DPS 003–006.
Shows the second part of the wiring diagram for 460 VAC units, detailing sensors and control modules.
Continues the wiring diagram for 460 VAC units, illustrating compressor circuits, heating elements, and fan connections.
Completes the wiring diagram for 460 VAC units, including terminal block details and a wiring legend.
Presents the first part of the wiring diagram for 575 VAC units, including transformer connections.
Provides instructions for preparing for and starting the compressor, including crankcase heater operation and troubleshooting compressor cycling.
Details how to calibrate the outdoor air sensor and set up discharge/suction superheat for optimum control.
Emphasizes that service must be performed by qualified personnel and provides important warnings.
Outlines routine preventive maintenance tasks, including blower checks, coil cleaning, filter replacement, and safety control checks.
Explains how refrigerant charge affects unit configuration and efficiency, and the importance of using correct oil types.
Details the procedure for evacuating and recharging the unit, including vacuum requirements and charging by weight.
Checklist for furnace gas pressure, high limit control, flame failure shutoff, airswitch, and main gas valve.
