Table of Contents
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Table of Contents
Summary of Contents for BENSON BENDX ACHW 34
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Page 1: Operation Manual
AIR CONDITIONER WATER HEATER OPERATION MANUAL... -
Page 2: Table Of Contents
CONTENTS PAGE SPECIAL FEATURES REMOTE CONTROLOPERATION GUIDE OUTLINES AND DIMENSIONS WIRING DIAGRAMS SAFETY PRECAUTIONS BEFORE INSTALLATION INSTALLATION SERVICING AND MAINTENANCE TROUBLESHOOTING INSTALLATION INSTRUCTIONS FOR R290 TANK INSTALLATION AND AIR BLEEDING OF SYSTEM SYSTEM INSTALLATION EQUIPMENT DESIGN SAFETIES,OPERATION SET POINTS AND GENERAL DESIGN WATER SOFTNESS OR HARDNESS EXCLUSIONS TO WARRANTY HEAT EXCHANGER AND LEAKS ON THE TOP WATER SECTION... -
Page 3: Special Features
1. SPECIAL FEATURES HEAT RECLAIM EQUIPMENT (OUTDOOR UNIT) ONE OF THE MOST ENERGY EFFICIENT HEATING SYSTEM IN THE MARKET ACHW heat reclaim series is absolutely free from electrical eliments.The design utilizes the otherwise wasted condenser heat from air-conditioner system to generate domestic hot water at temperature of up to 60℃. Cogeneration effect. -
Page 4: Indoor Unit
INDOOR UNIT EASY INSTALLATION -The wall mounted fan coil unit is easily installed because of its compact size,slimness and light weight. -Slim and short outdoor unit can be easily installed even in a narrow wall areas. QUIET OPERATION -Cooling comfort is improved by whisper-quiet operation which is achieved by a tangential fan. ... -
Page 5: Remote Controller Operation Guide
2.Remote Controller Operation Guide Remote Controller O p e r a t i o n d i s p l a y Transmission source The source where the signal will be transmitted Temperature setting -To set the desined room temperature, On/Off Button press the button to increase or decrease the set temperature. - Page 6 Special Opera ons of the AC Hot Water Dry Mode Removes moisture from the air in high humidity by cycling the indoor fan off or to very low speed. Cooling Only Use the system the same as you would use any air condi oning system, set you air movement flaps to suit the room.
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Page 7: Outlines And Dimensions
OUTLINES AND DIMENSIONS BENDX ACHW 34 BENDX ACHW 34... - Page 8 OUTLINES AND DIMENSIONS BENDX ACHW 41 BENDX ACHW 51 BENDX ACHW 41 BENDX ACHW 51...
- Page 9 OUTLINES AND DIMENSIONS BENDX ACHW 65 BENDX ACHW 65...
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Page 10: Water Tank
WATER TANK 650kPa P and T Valve Be fitted (Recommended filter or strainer) Low Ambient Use Closed loop heat exchanger tanks, a Glycol mixture can be circulated. Used in Areas were the water pipes freeze. This tank is a guide only for connection, installation may vary with tanks supplied. -
Page 11: Wiring Diagrams
4.WIRING DIAGRAMS INDOOR UNIT Model 34,41 and 51 OUTDOOR UNIT Model 34,41 and 51... - Page 12 4.WIRING DIAGRAMS INDOOR UNIT Model 65 OUTDOOR UNIT Model 65...
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Page 13: Safety Precautions Before Installation
5. SAFETY PRECAUTIONS BEFORE INSTALLATION Before operating, please read the following〝Safety Precautlons〞carefully. To prevent injury to the user or other people and properties damage,the following instructions must be followed. ·Incorrect operation due to ignoring of instruction will cause harm or damage,the seriousness is classified by the following indications. - Page 14 Symbol (with white background) denotes item that is PROHIBITED from doing. Symbol (with black background) denotes item that is COMPULSORY to be carried out. Caution ！ Please confirm the following important points when installation ·Grounding is necessary It may cause electrical shock if grounding is not perfect. ·Do not install the unit where leakage of flammable gas may occur In case of gas leaks and accumulates at the surrounding of the unit,it may cause fire ignition.
- Page 15 6.INSTALATION...
- Page 16 1) SELECTION OF LOCATION AND SPACE (A) INDOOR UNIT Install the fan coil (indoor) unit at a location with following requirements •Location is suitable of wiring,piping and drainage. •No obstruction of air flow into and out of unit where cooler air can be evenly distributed.(See fig.1) •Ensure that air discharge is not short circuited with air intake.
- Page 17 (B)OUTDOOR UNIT As condensing temperature rises,evaporating temperature rises and cooling capactlydrops.In order to achieve maximum cooling capacity,the location selected for outdoor unit should fulfill the following requirements: •Install the condensing (outdoor)unit in away such that hot air distributed by the outdoor condensing unit cannot be drawn in again (as in the case of short circuit of hot discharge air).Allow sufficient space for maintenance around the unit.
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Page 18: Installation
2)DRILL HOLES AND MOUNTING INSTALLATION PLATE CAUTION: i) Please check the unit weight for each model. Always ensure that the wall is sufficiently strong to withstand the weight. If not,it is necessary to reinforce the wall with plate, beams or pillars. ii) The installation plate provided MUST be used, this maybe mounted on another multiply ... - Page 19 3)WIRING ELECTRICAL CONNECTION • Wiring regulation on wire diameters differ from country to country. Please refer to your LOCAL ELECTRICAL CODES for field wiring rules. Be sure that installation comply with such rules and regulations. GENERAL PRECAUTIONS • Ensure that the rated voltage of the unit corresponds to the name plate before carrying out proper wiring according to the wiring diagram.
- Page 20 Moisture and Air purification Use vacuum pump Take off covers for gas and liquid valves betfre staring, put covers back tightly after work. (gas may leak) Tighten connecting nuts for indoor and outdoor Flares, Small amounts of leakloc can be used as well Refer to figure at right to connect stop valve, gas charging hose, mixing valve and vacuum pump.
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Page 21: Servicing And Maintenance
7.SERVICING AND MAINTENANCE CAUTION: After installing or servicing the unit, please ensure that the front panel is secured by the 1 hook undemeath the front panel. The unit is designed to give a long life operation with minimum maintenance required.However, it should be regularly checked and the following items should be given due attention. - Page 22 Indicator lights(cooling only unit) IR signal recelver When there is infrared remote control operating signal,the signal recelver on Indoor unit will make a(beep)for signal acceptance confirmation. Indoor color display The table shows the Indoor color display for air coonditioner unit under nomal operation and fault condition.
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Page 23: Troubleshooting
8.TROUBLESHOOTING By means pressure readings: PRESSURE PROBABLE CAUSE Data Circuit 1.Over charged with refrigerant. High side 2.Non-condensable gases in refrigerant circult (e.g.oil) Low side 3.Obstructed air-intake/discharge. 4.Short circuiting of hot air at condensing unit. High side 1.Poor compression /no compression (compressor defective). Low side 1.Undercharged with refrigerant. - Page 24 The most common causes of air conditioner failure to”start”are” a)Voltage not within+/-10% of rated voltage. b)Power supply interrupted. c)Control settings improper. d)Air Conditioner is disconnected from main power source. e)Fuse blown or circuit brealer off. ii). Diagnosis of Refrlgerant Circuit/Application There might be some cases where the unit starts running but does not perform satisfactory,l.e.
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Page 25: Installation Instructions For R290
9.Installation Instructions for R290 Connecting pipe work Preparation R22 Rated copper tubing can be used and is recommended. De-bur all before Flaring Both gas and Liquid lines a need to be insulated All lines must have been sealed to stop moister or dirt from entering the pipe work during installation. - Page 26 9.Installation Instructions for R290 Charging (after evacuation) Charging (bomb charging) We check the weight of the gas bottle and zero scales. Open the bottle valve (One valve Liquid, bottle upright) and charge to the correct weight listed on the unit. R290 is a mono structure gas. Extra refrigerant Over 4 meters 2.0 –...
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Page 27: Tank Installation And Air Bleeding Of System
10. Tank installation and air bleeding of system Potable Water In line filter supplied (warranty void if not Cold water in Water is taken from a fi ng approximately 300mm above the om of the tank and is heated and returned into a fi... -
Page 28: System Installation
58`C (+/-3%) with the sensor fi ed to the lower sensing point Off Peak /manual turning on and off of the hot water system The Benson Global has a lead on the indoor unit that when closed by a relay or switch will keep the hot water system ac vated. -
Page 29: Equipment Design Safeties,Operation Set Points And General Design
Equipment Design safe es, oper on set points and general design High Pressure Cut Out (3000 kPa) Auto reset Low Pressure Cut Out (50 kPa) Auto reset High discharge compressor temperature protec on 100`C (Error codes on tank & compressor sensors failure) Circula on Pump Material Bronze Circula on flow rates BENDX ACHW 41 Low 5.6 l/min (+/- 15%) High 8.2 l/min (+/- 15%) Other units flow rates to be advised... -
Page 30: Water Softness Or Hardness
Water So ness or Hardness When the Benson Global Heat Pump system is installed in areas of Heavily Mineralized Water or a unfiltered supply, such as a Dam, Spring, Bore, River or other water supply’s we require the water to be tested and/or Water tank storage exceeds the following limits, the system may have problems with corrosion of the systems components and void the warranty. -
Page 31: Exclusions To Warranty
Exclusions to Warranty The following area may cause the warranty to be void, as a result service and parts charges may apply. Were services are required to be disconnected and reconnected, due to faulty installa on, abnormal water supply problems (i.e. High Pressure) or power supply problems. Where the system fails because it is misused, accidentally damaged, floods, acts of God, incorrect installa on and work carried out by unlicensed persons. -
Page 32: Heat Exchanger And Leaks On The Top Water Section
The Atmosphere vented port is indicated in a drawing below. In the event the system has water leaking from the top sec on of the unit a Benson Global authorized agent should be called to check the system. Do not a mpt to repair the system yourself, this can void warranty, or worse there is live electrical wiring in the area (Electrical Shock). - Page 33 Benson Airconditioning PO Box 286 Mt Hawthorn WAustralia 6016 Email bensonac@hotmail.com www.bensonairconditioning.com OPERATING and SAFETY INSTRUCTIONS Compliance with AS 1677:2 1998 Section S2.6.2(Residential,Schools, Public Buildings etc)is compulsory and states that: “A3 refrigerants(R290)shall be permitted only is systems with a refrigerant change of up to 1.5kg for each individual system,provided sudden loss of...
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