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1. O1 10 11 12 13 13 14 15 15 16 2 8 507 3 SI CONVERSION FACTORS GENERAL DESCRIPTION SI Metric CONVERSION FACTORS To Multiply To To Convert By Multiply To Obtain Convert By Obtain kPa CFH 1 699 m min kPa BTU ft 0 0374 mJ m C pound 0 453 Kg Inches Mm BTU hr 0 000293 kW hr Feet Meters Gallons 3 785 Liters CFM m3 min Psig 27 7 W C INTRODUCTION The Ceiling Cassette units effectively make each area served an independent controlled temperature zone Through thermostatic control of operations conditions can be varied to suit diverse requirements or activities Optional fresh air intakes are available to provide for ventilation and recirculation of room air Ceiling Cassettes are available in a choice of three models DX cooling and heat pumps in five model sizes and chilled water cooling in six model sizes to properly match units to job requirements Optional heating can be provided by factory installed electric heat or hot water modules depending on model This versatility eliminates compromising architecture or design Important cost savings are often realized during building modernizations as existing piping and or wiring can frequently be reused Design techniques are incorporated in every Ceiling Cassette to reduce noise levels to an absolute minimum These techniques include low blower speeds rigid panel and cabinet construction
2. Pressing these buttons will adjust the room temperature setpoint SETPOINT DISPLAY Indicates current room temperature setpoint SLEEP Pressing this button will cause the room temperature setpoint to be setback 2 F after first hour 4 F after second hour SWING INDICATOR Indicates operation of the air vanes Med Large cassettes only SWING Pressing this button will operate the air vanes Med Large cassettes only SLEEP INDICATOR Indicates when sleep mode is selected OFF Pressing this button will switch the unit off 8 507 3 INFRA RED CONTROLLER Receiver Self Diagnostics The IR receiver is an extension of the control board and is located on the fascia of the unit connected by means of a 7 pin plug and socket The green On Off indicator will be either permanently illuminated when the unit is running or flashes if heating or cooling is called for but the compressor anti cycle timer is delaying compressor operation Yellow indicators show the present unit status cool or heat When both yellows flash the PCB control board battery needs changing see page 3 Note Take care when changing the battery as the holder can be damaged INFRA RED RECEIVER WINDOW UNIT ON OFF INDICATION TIMER ALARM ON OFF BUTTON SR es Z7 ES MM v AA The microprocessor controller has a built in diagnostics feature so that in the event of an alarm the nature of the fault c
3. The controller will auto restart in its previous mode of operation after a power failure When power is restored the controller will revert to its last operating mode e g if the controller was turned on before power fail after power is restored the controller will automatically turn on Alternatively if the controller was turned off before power fail after power is restored the controller will remain off Battery Backup To maintain all the user and time clock settings during a power off situation a 10 year battery backup has been provided When the battery requires replacing the Cool and Heat status LED s on the IR receiver will flash at 1 second intervals This assumes normal power outages With no power the battery will last up to three months 13 METHOD OF OPERATION NETWORK OPTION ALARMS The controller monitors the following alarm conditions Return Air Sensor Failure Indoor Coil Sensor Failure Condensate High Level High Pressure Switch Trip Heat pump units only Indoor Coil Over Temperature Heat pump units only Indoor Coil Under Temperature Battery Backup Low Voltage Indoor Coil Under Temperature In cooling mode if the indoor coil sensor realizes a temperature of 28 F or less for a period exceeding two and a half minutes the controller will switch off the compressor and outdoor fan until the coil temperature has remained above 40 F for a period exceeding six minutes When the compressor and outdoor fan are di
4. been purchased Seller extends the warranty herein for an additional four 4 years or nine 9 years on certain heat exchangers EXCLUSION OF CONSUMABLES amp CONDITIONS BEYOND SELLER S CONTROL The above referenced warranty shall not be applicable to any of the following items refrigerant gas belts filters fuses and other items consumed or worn out by normal wear and tear or conditions beyond Seller s control including without limitation as to generality polluted or contaminated or foreign matter contained in the air or water utilized for heat exchanger condenser cooling or if the failure of the part is caused by improper air or water supply or improper or incorrect sizing of power supply APPLICABLE WARRANTY PERIOD TEN YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN ONE HUNDRED TWENTY SIX MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST Heat Exchangers Low Intensity Infrared Units Compressors Condensing Units for Cassettes FIVE YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN FIVE YEARS FROM DATE OF RESALE BY BUYER OR ANY OTHER USER WITHIN FIVE YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN SIXTY SIX MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST Bur
5. 8 507 3 5H101551A Rev C July 2009 INSTALLATION AND SERVICE MANUAL Infra Red Remote Controller for Ceiling Cassettes with Microprocessor Controls US Liste 3087217 The ETL Listed Mark indicates that your product has been tested by Intertek found in compliance with accepted national standards and meets the minimal requirements required for sale or distribution To your distributors retailers and customers the ETL Mark is assurance that the product is compliant with safety standards having been tested and certified by a third party organization INSPECTION on ARRIVAL 1 Inspect unit upon arrival In case of damage report immediately to transportation company and your local sales representative 2 Check rating plate on unit to verify that the power supply meets available electric power at the point of installation 3 Inspect unit received for conformance with description of product ordered including specifications where applicable IMPORTANT The use of this manual is specifically intended for a qualified installation and service agency A qualified installation and service agency must perform all installation and service of these appliances This manual is the property of the owner Please be sure to leave it with the owner when you leave the job SPECIAL PRECAUTIONS TABLE OF CONTENTS SPECIAL PRECAUTIONS THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO
6. F 90 F Press the ON SEND button to switch the unit ON and transmit the new system settings 10 8 507 3 METHOD of OPERATION Setting the Current Time ON SEND CLK TIMER HEU Press CLK TIMER button once you should see CLOCK SET flashing in the time display Press either buttons within the CLK TIMER area the hours of the current time should now start to flash Use the buttons to change the hour setting Press CLK TIMER button once to enter the selected hour The minutes of the current time should now be flashing Again use the buttons to change the minute setting Press CLK TIMER button once to enter the selected minutes The current weekday should now be flashing Again use the buttons to change the weekday setting Press CLK TIMER button once to enter the selected weekday CLOCK SET in the time display should now disappear and the current time and weekday have now been set 8 507 3 11 INFRA RED CONTROLLER Setting the Weekly Time Program amp eb MO TU WE TH FR PROGRAM 1 72 F 12 ON SEND Press CLK TIMER button twice you should see PROGRAM flashing and the days Monday to Friday in the time display Press the button three times for Saturday and four times for Sunday Press either buttons within the CLK TIMER area PROGRAM 1 should appear and START TIME should be flashing Use the buttons to change the h
7. ICH SHALL WITHIN THE APPLICABLE WARRANTY PERIOD Component Applicable Models Heat Exchangers Gas Fired Units except PSH BSH DEFINED HEREIN AND UPON PRIOR WRITTEN APPROVAL BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER FOR GAS FIRED PRODUCTS INSTALLED IN HIGH HUMIDITY APPLICATIONS AND UTILIZING STAINLESS STEEL HEAT EXCHANGERS BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO TEN YEARS FROM DATE OF SHIPMENT FROM SELLER These warranties are issued only to the original owner user and cannot be transferred or assigned No provision is made in these warranties for any labor allowance or field labor participation Seller will not honor any expenses incurred in its behalf with regard to repairs to any of Seller s products No credit shall be issued for any defective part returned without proper written authorization including but not limited to model number serial number date of failure etc and freight prepaid OPTIONAL SUPPLEMENTAL WARRANTY Provided a supplemental warranty has been purchased Seller extends the warranty herein for an additional four 4 years on certain compressors Provided a supplemental warranty has
8. PROVIDE SAFE EFFICIENT AND TROUBLE FREE OPERATION IN ADDITION PARTICULAR CARE MUST BE EXERCISED REGARDING THE SPECIAL PRECAUTIONS LISTED BELOW FAILURE TO PROPERLY ADDRESS THESE CRITICAL AREAS COULD RESULT IN PROPERY DAMAGE OR LOSS PERSONAL INJURY OR DEATH THESE INSTRUCTIONS ARE SUBJECT TO ANY MORE RESTRICTIVE LOCAL OR NATIONAL CODES HAZARD INTENSITY LEVELS 1 DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury 2 WARNING Indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury 3 CAUTION Indicates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury 4 IMPORTANT Indicates a situation which if not avoided MAY result in a potential safety concern WARNING 1 Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage 2 All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance Any wiring different from the wiring diagram could result in a hazard to persons and property 3 Any original factory wiring that needs replacement must be replaced with wiring material having a temperature rating of at least 105 C 4 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than the rated voltage 4 CAUTION This produ
9. an be determined The red timer alarm LED flashes on the fascia in a pre determined frequency depending on the fault These are identified below 1 Alarm LED flashes once every second indoor coil sensor failure low coil temperature condensate high level trip or remote shutdown activated 2 Alarm LED flashes once every 5 seconds return air sensor failure Note When the microprocessor is used in a master slave network AND is configured for slave operation both the cool and heat indicators will be permanently lit even during periods when the unit is switched off 8 507 3 INFRA RED CONTROLLER Receiver Indication Reference Guide Indicator Off Jl indicator On WI Indicator Flashing Unit Off timer operation off indoor fan off cooling and heating off m T i e e Unit Off timer operation on indoor fan off cooling and heating off 0 i i e e Unit On timer operation off indoor fan on cooling and heating off m E i e e Unit On timer operation on indoor fan on cooling and heating off 0 m D d e e Unit On timer operation off indoor fan on cooling and heating off anti cycle protection delay active 7 o gt 3 wae e Unit On timer operation on indoor fan on cooling and heating off anti cycle p
10. and sound absorbent cabinet insulation For individual comfort Ceiling Cassettes are available with electro mechanical or micro processor based controls The micro processor controller includes an infrared transmitter which enables room conditions to be maintained at a user defined set point Ceiling Cassettes are also available with Carel microprocessor controls and network cards to allow units to be connected to a Building Management System MODEL IDENTIFICATION CEILING CASSETTE UNITS Base Model Ceiling Cassette Unit DX Cooling Ceiling Cassette Unit Heat Pump Ceiling Cassette Unit Chilled Water Model Size Nominal Cooling in BTU Hr See Performance Data for Details CSD or SSD CSH or SSH CCW or SCW 8 to 42 Cabinet Size 2 Small Body 2 X 2 Series _ Medium Body 3 X Series Large Body 3 X 4 Series Control Type EM Electro Mechanical Control MC Microprocessor Controlled Remote Control Infrared or Pendant CA Carel Controller 2 blank EM MC or CA CSD or SSD 18MC Ceiling Cassette Unit DX Cooling 18 000 Nominal BTU Hr Microprocessor Controlled 8 507 3 GENERAL DESCRIPTION Controller Before using the Infra Red IR Transmitters please read this handbook fully and ensure the batteries supplied loose are fitted into the IR transmitter or Pendant A microprocessor mounted in a metal enclosure is used to control the entire unit operating f
11. ate a network The master slave operation has been programmed to operate the units in the following manner When the master unit receives a transmission from the transmitter the transmitter settings are provided to all units on the network Slave units do NOT monitor the return air temperature but rely instead on the master unit to monitor return air temperature and make all control decisions Slave units will mimic the operation of the master unit and will cool heat switch on switch off etc with the Master When the units are configured as heat pumps the defrost program is operated independently to avoid unnecessary defrosting and loss of heating performance At all times the slave units will follow the usual method of operation regarding alarms and will act accordingly When a master unit experiences an alarm it will act in the usual manner while maintaining instruction to slave units to operate normally The exception to this is when the Master unit experiences a return air sensor failure Due to the fact that it cannot control correctly the Master unit will instruct the slave units to revert to stand alone operation In the event of the network cable being severed or communications between Master and Slaves being lost for any reason the slave units will revert to stand alone control after six minutes without instruction from the Master During this time the slaves will monitor the return air temperature themselves and will make
12. ct must be installed in strict compliance with the enclosed installation instructions and any applicable local state and national codes including but not limited to building electrical and mechanical codes TABLE OF CONTENTS Inspection on Special Hazard Intensity SI Metric Conversion 5 Introd ction 3 4 eo teer eres Model Number General PCB Control Infra Red Controller Transmitter eene Receiver Self Diagnostics Receiver Indication Reference Guide Basic Operation Settings for COOL ONLY Basic Operation Settings for HEAT ONLY Basic Operation Settings for AUTO Mode Setting the Current Setting the Weekly Time Program Method of Operation Setting Jumper 5 Software Main Control Network Option Microprocessor Control Option x eee Ped eden eras
13. d the bracket then affixed to the wall Slide the Pendant controller into the wall bracket from the top to complete the assembly Note The Pendant controller transmits a signal to the unit via an optical lens on the back of the controller to the mounting bracket The Pendant controller MUST be mounted in the wall bracket and operated from this position to communicate with the unit controller Plug the 2 way female connector on other end of the cable into the pendant connector on the cassette unit microprocessor circuit board Finally connect the screen wire to the either one of the two network terminals marked The pendant connector and network terminal positions are illustrated on page 4 SAFETY IMPORTANT The information contained in this manual is critical to the correct operation and maintenance of the unit and should be read by all persons responsible for the installation start up and maintenance of the Ceiling Cassette 1 The equipment has been designed and manufactured to meet international safety standards but like any mechanical electrical equipment care must be taken if you are to obtain the best results 2 Service and maintenance of this equipment should only be carried out by skilled personnel 3 When working with any air conditioning unit ensure that the electrical disconnect supplying the unit is switched off prior to servicing or repair work and that there is no power to any part of th
14. e equipment In the case of a DX system both the indoor and outdoor units should be switched off 4 Also ensure that there are no other power feeds to the unit such as fire alarm circuits BMS circuits etc 5 Electrical installation start up and maintenance work on this equipment should be undertaken by competent and trained personnel in accordance with local relevant standards and codes of practice A CAUTION This product must be installed in strict compliance with the enclosed installation instructions and any applicable local state and national codes including but not limited to building electrical and mechanical codes 8 507 3 15 COMMERCIAL WARRANTY Seller warrants its products to be free from defects in material and workmanship EXCLUSIVE HOWEVER of failures attributable to the use of materials substituted under emergency conditions for materials normally employed This warranty covers replacement of any parts furnished from the factory of Seller but does not cover labor of any kind and materials not furnished by Seller or any charges for any such labor or materials whether such labor materials or charges thereon are due to replacement of parts adjustments repairs or any other work done This warranty does not apply to any equipment which shall have been repaired or altered outside the factory of Seller in any way so as in the judgment of Seller to affect its stability nor which has been subjected
15. elay active D EH m E i O m i EEG m BH BH BH 8 507 3 INFRA RED CONTROLLER Basic Operation Settings for COOL ONLY Mode MN Press MODE Button until the Cool symbol is ON SEND Press FAN Button until the desired fan speed is highlighted Note that in Auto the fan speed will be determined by the temperature conditions Press the buttons until the desired temperature set point is displayed Limits are 58 F 90 F Press the ON SEND button to switch the unit ON and transmit the new system settings 8 8 507 3 INFRA RED CONTROLLER Basic Operation Settings for HEAT ONLY Mode Press MODE Button until the Heat symbol is highlighted ON SEND Press FAN Button until the desired fan speed is highlighted Note that in Auto the fan speed will be determined by the temperature conditions Press the buttons until the desired temperature setpoint is displayed Limits are 58 F 90 F Press the ON SEND button to switch the unit ON and transmit the new system settings 8 507 3 INFRA RED CONTROLLER Basic Operation Settings for AUTO Mode Press MODE Button until the Auto symbol is ON SEND si Press FAN Button until the desired fan speed is highlighted Note that in Auto the fan speed will be determined by the temperature conditions Press the buttons until the desired temperature setpoint is displayed Limits are 58
16. ivated when the room temperature falls to more than 8 F below setpoint Hysteresis of 2 F will be applied to prevent hunting The boost heat facility is automatically enabled disabled by selecting non heat pump Jumper 2 open Temperature Control The controller will switch heating or cooling loads in order to maintain the temperature setpoint The dead band is programmed to 4 F Under normal operation cooling or heating will be activated at the limits of the dead band and will continue to operate until setpoint is achieved The temperature setpoint can be adjusted between 58 and 90 F in 2 F increments Compressor Protection The compressor is protected by a ten minute consecutive start delay and a four minute stop to start delay e g if the compressor has run for over ten minutes stops and is then required to restart immediately there will be a four minute time delay before the compressor runs If the compressor has run for only four minutes stops and is then required to restart immediately there will be a six minute time delay before the compressor runs These delays are to prevent unnecessary wear and potential damage to the compressor motor While the unit is switched on and either of the compressor s start delays are active the Green On Off LED on the IR receiver will flash at one second intervals As a further protection compressor operation will be inhibited if the indoor coil temperature falls below 28 F Power Failure
17. l c 1osse1iduo5 N NLISHASLN 104 F i N 5 c1 N jeusi JossaJduio 10 z aBed fjoyeg 5 5 youre esnj voL i 2v AO0EZ OVAO C INFRA RED CONTROLLER Transmitter When using the IR transmitter always point the transmitter head directly at the receiver Atthe time of transmission the symbol will display and an audible alarm will be heard if the signal has been received When the batteries are first installed the transmitter or Pendant will have a default setpoint of 64 F low fan speed will be selected and the system will be set to cool only mode ON SEND Pressing this button will switch the unit on and transmit the system settings TRANSMIT INDICATOR This symbol will flash when the system settings are transmitted MODE Pressing this button will cycle through the mode options COOL AUTO DRY FAN amp HEAT ON SEND MODE INDICATOR Highlighted symbol indicates current mode of operation FAN Pressing this button will cycle through the fan speed options LOW MED HIGH amp AUTO FAN MODE INDICATOR Highlighted symbol indicates current fan operating mode CLK TIMER Pressing these buttons will select and adjust the clock and stop start times CLOCK TIMER DISPLAY Shows current day time and stop start times CLK TIMER TEMP
18. lay Switches the electric heater on when required Indoor Fan Motor Compressor Reversing Valve RV Condensate Pump Vane Motor Electric Heat External Connections Power Input Network Connection Nominal 230 Volt AC 60Hz Twisted pair shielded cable Microprocessor PCB Battery The microprocessor PCB is fitted with a battery back up system that maintains the CPU memory and time clock settings during brief power outages The battery is small round and silver in appearance similar to a wrist watch battery When the unit is shipped the battery is packed in a plastic bag and is placed inside the small rectangular box containing the infra red transmitter The battery should be installed into the PCB s battery holder see page 4 for location details approximately 5 minutes before mains power is initially applied to the unit MICROPROCESSOR CONTROL BOARD PCB Control Board ul Syur N speeds uey indino 10101 e EL e zn 21 1s04jeq ZL us jddng BI Josueg 10596 indino H e 5 S J0129uu02 a e J9AI928H HI B Ma u
19. mitter or Pendant and adjust control parameters as instructed e Operate to time functions if they are required MAIN CONTROL FUNCTIONS Indoor Fan Operation The indoor fan will run continuously at the most recently set speed or will alter the speed according to the room temperature conditions when set to Auto The indoor fan will continue to run until the unit is turned off by the user or via a pre set time setting When the unit is turned off during heating the indoor fan will continue to run for approximately two minutes this helps to dissipate residual heat from the electric heaters In SLEEP mode the fan will cycle with a call for heating or cooling 8 507 3 Heat Pump Units The control system allows the selection of heat pump or non heat pump modes via jumper 2 Non heat pump units can have only one stage of heating optional which is enabled by the electric heater relay Heat pump units can have up to two stages of heating the first stage being heat pump and the optional second stage is electric heating boost heat Defrost Is initiated by the outdoor unit a 24vac signal is sent to T2 terminals on the cassette micro This then turns on the electric heat if available to act as re heat Boost Heat The electric heat relay can be used to initiate either low watts density electric heating or low pressure hot water heating neither of which is fitted as standard but are available as options The boost heat will be act
20. ners Low Intensity Infrared Units Other Components excluding Heat Exchangers Coils Condensers Burners Sheet Metal TWO YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TWO YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN THIRTY MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST Heat Exchangers Coils Indoor and Outdoor Duct Furnaces and System Units PSH BSH Steam Hot Water Units Oil Fired Units Electric Units Cassettes Vertical Unit Ventilators Compressors Vertical Unit Ventilators Burners High Intensity Infrared Units Sheet Metal Parts All Products ONE YEAR FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN ONE YEAR FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN EIGHTEEN MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST Modine Manufacturing Company has a continuous product improvement program and therefore reserves the right to change design and specifications without notice Commercial Products Group MODINE Modine Manufacturing Company 2009 CSD CSH and CCW Model Series Phone 1 866 823 1631 Toll Free www airedaleusa com SSD SSH and SCW Model Series Phone 1 800 828 4328 HEAT www modine com Modine Manufacturing Company 1500 DeKoven Avenue Racine WI 53403 07 09 Litho in USA
21. our setting of program 1 start time Press CLK TIMER button once to enter the selected hour The minutes of program 1 start time should now be flashing Again use the buttons to change the minute setting Press CLK TIMER button once to enter the selected minutes START TIME will disappear and STOP TIME should flash Use the buttons to change the hour setting of program 1 stop time Press CLK TIMER button once to enter the selected hour The minutes of program 1 stop time should now be flashing Again use the buttons to change the minute setting Press CLK TIMER button once to enter the selected minutes If program 2 is to be used then repeat from steps 3 7 If program 2 is not to be used leave the start stops set to 12 00am When the programming is complete SEND will flash in the time display press ON SEND button while pointing at receiver to transmit the program settings The main unit should beep and the red indicator should be lit A small clock should be seen within the time display indicating a time program has been set up 8 507 3 METHOD OF OPERATION METHOD OF OPERATION SETTING JUMPER LINKS Jumper links are located on the Microprocessor Controller PCB to offer different control features and their functionality is listed below Jumper Links ON OFF JMP1 Reversing Valve RV RV On in Heating On in Cooling factory JMP2 Heat Pump Mode See Non Heat Pum
22. p Wiring Diagram Mode CW Master Factor Jumper link settings must be made with the power turned off and PCB battery removed Jumper link 1 will be factory set to ON jumper link 2 will be factory set to suit the type of unit Jumper link 3 will be factory set to ON should a Master Slave system be required jumper link 3 will require setting during the startup of the units WARNING 1 Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage 2 All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance Any wiring different from the wiring diagram could result in a hazard to persons and property 3 Any original factory wiring that needs replacement must be replaced with wiring material having a temperature rating of at least 105 C 4 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than the rated voltage SOFTWARE CONTROL The control system software performs the following primary functions e Control of the indoor fan compressor heat pump and electric heater to achieve and maintain the temperature setpoint e Monitor status and temperature inputs for error conditions and shutdown the relevant outputs in the event of a fault occurring e Communicate with other controllers when operating in a Master Slave set up e Receive coded IR data from the hand held IR trans
23. rotection delay active mO 0 2 3 wae ve Unit On indoor fan on Timer off slave unit controlled by master unit m D m dX e i e Unit On timer operation off indoor fan on cooling on and heating off m D m m 7 e i e Unit On timer operation on indoor fan on cooling on and heating off 7 m 2 m5 e i e Unit On timer operation off indoor fan on check main PCB battery 0 Unit On timer operation off indoor fan on cooling off and heating on 0 0 F Unit On timer operation on indoor fan on cooling off and heating on 7 m O a 8H B 8H gi Unit On timer operation on indoor fan on check battery backup 0 Unit On timer operation off indoor fan on cooling off heating on anti cycle protection delay active n Unit On timer operation on indoor fan on cooling off heating on anti cycle protection delay active O CN O 0 lt gt LM g Pai BH 58 Unit On alarm present indoor fan on Unit On alarm present indoor fan on Unit On alarm present indoor fan on check battery backup cooling off heating off cooling off heating off anti cycle protection d
24. sabled in this manner the indoor fan will operate at high speed and the Timer LED on the IR receiver will flash at one second intervals Indoor Coil Over Temperature During heat pump mode the electric heaters will be switched off if the indoor coil sensor realizes a temperature greater than 140 F for a period exceeding one minute The electric heater will remain switched off and the indoor fan will operate at high speed until the coil temperature has remained below 130 F for a period exceeding 8 minutes Electric Heater Overheat Protection In the event of an auto reset overheat cut out the electric heater will be switched off until the temperature drops sufficiently for the auto cut out to reset itself Should the manual reset overheat cut out operate the electric heater will be switched off and remain off until the reset button on the manual overheat cut out is pressed SWITCH OFF POWER TO UNIT BEFORE RESETTING High Condensate Level Alarm On occurrence of a high condensate level condition the compressor will stop When the high condensate alarm level condition clears the compressor will automatically switch back on providing the compressor protection delays are not active NETWORK OPTION MICROPROCESSOR CONTROLLER Master Unit Slave Unit 1 14 Master Slave Operation The network option allows for 1 master unit and up to 19 slave units to be interconnected using a twin twisted pair screened cable to cre
25. their own control decisions based upon the last set of transmitter settings received from the Master Network Connection The network cable is routed between controllers and terminated at each unit in the manner shown below Note The cable screen is provided to prevent signals being imposed on and corrupting the data carried by the 2 cable cores The screen must be grounded at only one end for each unit on the network A remote shutdown is possible by installing a dry contact between the indoor coil sensor and terminal T3 When the contact is closed the unit operation is normal When the contact is open the unit will be shutdown and the alarm light will flash once per second Slave Unit 2 gt To next unit gt To next unit 51 To Other Units PENDANT OPTION SAFETY PENDANT OPTION Pendant Optional The pendant option is a hard wired replacement for the hand held transmitter it has all the functionality of the transmitter but is field mounted and therefore cannot be misplaced The Pendant assembly consists of the following parts Pendant Controller Pendant Wall Mounting Reverse of Wall Mounting Bracket Bracket Showing cable connection v Position the wall bracket and mark through the 2 fixing holes Item A Connect the 3 way female cable connector Item B with the male bracket connector Item C The cable can be routed from either the top or the left hand side of the wall bracket an
26. to misuse negligence or operating conditions in excess of those for which such equipment was designed This warranty does not cover the effects of physical or chemical properties of water or steam or other liquids or gases used in the equipment BUYER AGREES THAT SELLER S WARRANTY OF ITS PRODUCTS TO BE FREE FROM DEFECT IN MATERIAL AND WORKMANSHIP AS LIMITED HEREIN SHALL BE IN LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED WHETHER ARISING FROM LAW COURSE OF DEALING USAGE OF TRADE OR OTHERWISE THERE ARE NO OTHER WARRANTIES INCLUDING WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE WHICH EXTEND BEYOND THE PRODUCT DESCRIPTION CONFIRMED BY BUYER AND SELLER AS OF THE DATE OF FINAL AGREEMENT This warranty is void if the input to the product exceeds the rated input as indicated on the product serial plate by more than 5 on gas fired and oil fired units or if the product in the judgment of SELLER has been installed in a corrosive atmosphere or subjected to corrosive fluids or gases been subjected to misuse negligence accident excessive thermal shock excessive humidity physical damage impact abrasion unauthorized alterations or operation contrary to SELLER S printed instructions or if the serial number has been altered defaced or removed BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY COMPONENT WH
27. unctions with adjustments and settings being made from a hand held IR transmitter or Pendant The controls comprise of the following basic components PCB Control Board Infra Red Transmitter or Pendant Infra Red Receiver mounted on the fascia Microprocessor Control Board The PCB control board relays control the operation of the indoor fan motor outdoor fan motor compressor and electric heater if fitted to maintain room conditions at a user defined set point Temperature settings fan speeds and other control functions can be changed by the IR transmitter or Pendant The controller PCB provides the following input output facilities Inputs 3 T1 Return Air Temperature Sensor T3 Indoor Coil Temperature Sensor T2 Defrost Signal 50K 77 F NTC 50K 77 F NTC Switched 24VAC signal from Condensing Unit Outputs The controller will switch a combination of 3 10A 230 VAC 3 Speed Settings resistive rated relays to deliver the selected indoor fan speed A 30A 230 VAC resistive rated relay is used to switch the compressor by a contactor in the outdoor unit enabling cooling or heat pump operation A 10A 230 VAC resistive rated relay is used to switch the reversing valve in a heat pump unit Activated when unit is in cooling mode Cassette units only A 10A 230VAC resistive rated relay Switches the vane motor on when Air Sweep is selected Med amp Large Cassette Units only A 30A 230VAC resistive rated re

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