Table of Contents
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Table of Contents
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Summary of Contents for Lennox Quantum Waterside LQWFC 150
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Page 2: Table Of Contents
CONTENTS Page Quantum Waterside Fan Coil Specification Mounting Pipework Connections Duct Connections Electrical Connections Controls Fan Speed Settings Periodic Maintenance Fancoil Maintenance Coil Water Content Weights Minimum No. Spigots Coil Connections Wiring Diagram Fault Finding Spares List E U R O V E N T CERTIFIED PERFORMANCE Manufacturer reserves the right to change any product specifications without notice. -
Page 3: Quantum Waterside Fan Coil Specification
QUANTUM WATERSIDE FAN COIL SPECIFICATION Casings Heat Exchangers The casings shall consist of durable 1.2mm All heat exchangers shall be tested at a mini- galvanised sheet steel reinforced where mum of 25 bar pressure. The coils shall be required to form a rigid structure. manufactured using solid drawn copper tubes and aluminium fins. -
Page 4: Mounting
MOUNTING / CONNECTIONS Thank you for choosing the Lennox Quantum Waterside PIPEWORK CONNECTIONS Fan Coil Unit. Please read the following information 1. Water flow and return connection carefully prior to installation. These instructions should Plain pipe connection tails are all to BS 2871, Part 1: be kept in a safe place for future reference. -
Page 5: Electrical Connections
ELECTRICAL CONNECTIONS / CONTROLS ELECTRICAL CONNECTIONS 1. Fan Speed Out of 6 speeds available, SL (Super Low), EL(Extra Low), ISOLATE ELECTRICAL SUPPLY BEFORE L(Low), ML(Med/Low), M(Med), and H(High), the fan ATTEMPTING SERVICE WORK. speed selector switch will be wired for three speeds. Speed adjustment and fine tuning is achieved by following the instructions indicated on the label that is A 230V, 50Hz, single phase supply is required. -
Page 6: Fan Speed Settings
FAN SPEED SETTINGS O O O Fan speed Main tapping Output Volts switches ON +5v +10v 3 spd @design Switch speed FAN SPEED SETTINGS To achieve the design speed use a combination of main tappings on the transformer and switch positions on the outside of the control box. -
Page 7: Periodic Maintenance
PERIODIC MAINTENANCE PERIODIC MAINTENANCE PROCEDURE 6. Fan Motor and Fan A regular check on the fan/motor assembly is The following routine maintenance operations should be advisable to ascertain if any overheating of the motor is occurring and that the fan impeller is free running carried out twice a year or at such shorter intervals as and has not sustained any damage. -
Page 8: Fancoil Maintenance
FANCOIL MAINTENANCE FANCOIL MAINTENANCE CHECK IMPELLORS ARE S E- OK, BUT:- CURE AND NOT RUBBING ON Noisy RUNNING SCROLLS. CHECK MOTOR POOR AIRFLOW CHECK MAINS SUPPLY RESET MCB CONTACT SPARES DEPT CONTACT REPLACE CHECK UNIT FUSE SPARES DEPT MAX 3 AMP EXAMINE FILTER WASH OR CHECK FILTER FOR BLOCKAGE VACUUM REPLACE IF NEC,... -
Page 9: Coil Water Content
DATA ELECTRICAL DATA COIL WATER CONTENT Motor Full Load Start Water No of Water Power Current Current content litres Temp. rows MODEL MODEL SPEED Volts 0.09 Heating 0.42 0.53 0.32 0.41 150/3R 1.41 LQWFC 0.26 0.32 150/4R 1.88 0.21 0.25 High 1.41 150/3R... -
Page 10: Wiring Diagram
WIRING DIAGRAM LENN X... -
Page 11: Fault Finding
FAULT FINDING FANCOIL FAULT FINDING ENSURE AHU WAS TURNED OFF WHILE SOUND TES TING OK, BUT:- Noisy CHECK IMPELLORS ARE RUNNING TIGHT AND CENTRAL ON SHAFT WITHIN SCROLLS POOR AIRFLOW CHECK MAINS SUPPLY RESET MCB EXAMINE TRANSFORMER TAPPINGS REPLACE CHECK VOLTAGE TO FANS CHECK UNIT FUSE MAX 3 AMP EXAMINE SCHEDULE... -
Page 12: Spares List
SPARE PARTS LIST Size Used On : Part Number Description E142 Air Vent (409992007) Z303677 Cooling Coil 3 row (Low Temp. 5 - 8 deg.C Flow) Z303678 Cooling Coil 3 row (Low Temp. 5 - 8 deg.C Flow) Z303679 Cooling Coil 3 row (Low Temp. 5 - 8 deg.C Flow) Z303680 Cooling Coil 3 row (Low Temp.
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