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Table of Contents
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Summary of Contents for Daikin ERAP110MBYNN
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Page 1: Operation Manual
OPERATION MANUAL Air-cooled condensing units ERAP110MBYNN ERAP150MBYNN ERAP170MBYNN... -
Page 2: Table Of Contents
• Frequency (Hz) • Voltage In case of persisting problems contact your local Daikin Dealer. 12.4 12.4 • Nominal running current Before starting up the unit for the first time, make sure that it has been properly installed. -
Page 3: Description
ESCRIPTION The ERAP air-cooled condensing units are available in 3 standard sizes. 1000 1000 2346 10 11 Figure - Main components Condenser Power supply intake Compressor (M1C) Emergency stop (S5E) Discharge stop valve Switchbox Liquid stop valve Digital display controller Suction stop valve Transportbeam Suction line... -
Page 4: Function Of The Main Components
Function of the main components Y11S S1PH S14PH Y16S Y15S M11F M12F M13F M14F Figure - Functional diagram Condenser Suction stop valve Drier Strainer Charge valve Standard Liquid stop valve Dual pressure relief valve (OP03) Safety valve Standard (see A) or dual pressure relief valve (see B) As the refrigerant circulates through the unit, changes in its state or An overview of all safety devices is given below. -
Page 5: Internal Wiring - Parts Table
High pressure switch R1F ......Feedback resistance Each circuit is protected by two high pressure switches (S*PH) R1P ......Reverse phase protector which measure the condenser pressure (pressure at the outlet R4T ......Sensor for thermostat of the compressor). They are installed in the compressor housing of the circuit. -
Page 6: Power Supply Connection And Crankcase Heating
Earth wiring PERATION Make sure that the earth wires have been connected properly and that the earth terminals are tightened. The ERAP units are equipped with a digital controller offering a user- friendly way to set up, use and maintain the unit. Internal wiring This part of the manual has a task-oriented, modular structure. -
Page 7: Working With The Unit
Switching the unit on NOTE Temperature readout tolerance: ±1°C. Legibility of the alphanumeric display may decrease in Press the J key on the controller. direct sunlight. Depending on wheter or not a remote ON/OFF switch has been configured (refer to the installation manual), the following How to enter a menu conditions may occur. - Page 8 When a circuit is OFF, the following status information may Select the setpoint to be adjusted using the q key. appear. A setpoint is selected when the cursor is blinking behind the • : one of the circuit safety devices is activated setpoint's name.
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Page 9: Advanced Features Of The Digital Controller
Advanced features of the digital controller To define the schedule timer. This chapter gives an overview and a brief functional description of According to the settings of the screens provided by the different menus. In the following chapter, following screens will be available or you will find how you can set up and configure the unit using the not. - Page 10 Along with the basic information, more detailed information screens To check the status of the changeable can be consulted while the safety menu is active. Press the q key. digital inputs. Screens similar to the following will appear. To check the time and control mode at the moment of the unit shutdown.
- Page 11 Each day of the week can be appointed to a group. The actions defined Defining and activating the control mode in a group will be executed in each day belonging to that group. : used to define to which The unit is equipped with a thermostat which controls the capacity of group each day of the week belongs ( / the unit.
- Page 12 Tasks of the safeties menu Defining BMS control Listing activated safeties and checking the unit status allows the user to control the unit from a supervisory system. screen and screen of the If the alarm buzzer is activated and the user presses the p key, the service menu have to be used to set BMS parameters.
- Page 13 Tasks of the input/output menu The changeable relay outputs are: : indicates the status of the second evaporator Checking the status of the inputs and outputs pump. : indicates when the unit is working at 100%. The input/output menu provides a means of checking the status of : indicates the closed status of the changeable the digital inputs and the status of the relay outputs.
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Page 14: Troubleshooting
Symptom 3: The unit does not start and the ON LED does not light up ROUBLESHOOTING OSSIBLE CAUSES ORRECTIVE ACTION This section provides useful information for diagnosing and The unit is in failure mode. Refer to Symptom 5: One of the correcting certain troubles which may occur in the unit. -
Page 15: Maintenance
AINTENANCE Symptom 5.5: Reverse phase protector is activated OSSIBLE CAUSES ORRECTIVE ACTION In order to ensure optimal availability of the unit, a number of checks Two phases of the power supply are Invert two phases of the power and inspections on the unit and the field wiring have to be carried out connected in the wrong phase supply (by licensed electrician). - Page 16 NNEX NNEX Thermostat parameters Schedule timer example Thermostat control MARCH The figure below shows the thermostat diagram. Fast load up Slow load up No action Slow load down Fast load down To come to the schedule above following settings have to be made: Setpoint The default value and the upper and lower limits of the thermostat parameters are listed in the table below.
- Page 17 NNEX ERAP110~170MBYNN Operation manual Air-cooled condensing units 4PW22681-1...
- Page 18 Zandvoordestraat 300, B-8400 Oostende, Belgium 4PW22681-1...