Brivis Iceberg, Service Manual

Page 1: ...ervice Manual Brivis Iceberg Service shall be carried out only by Authorised Personnel This Service Manual must NOT be left with the Owner or distributed to other persons not permitted to obtain this information by Brivis Climate Systems ...

Page 2: ...285 Issue 1 Service Manual Iceberg ii Issue Date Description 1 March 2015 Release of the Iceberg cooler Model number XQ4 ICEBERG ...

Page 3: ... 10 5 0 Installation Requirements 11 5 1 XQ4 Dimensions 11 5 2 Platform Service Clearance With Module 11 5 3 Platform Service Clearances Without Module 12 5 4 Electrical Power Supply to the Cooler 12 5 5 Water Supply to the Evaporator Module 13 6 0 Inlet Connection 13 7 0 Solenoid Valve 14 7 1 Water Inlet Solenoid Operation 14 7 2 Water Inlet Solenoid Removal 14 7 3 Water inlet Solenoid Does not s...

Page 4: ...at the motor terminal 27 10 4 1 If damper motor assembly does not operate 27 10 4 2 If motor operates 27 10 4 3 If NO power present at ServoSeal motor Active Open terminal 28 10 4 4 If winter seal damper motor operates 28 10 4 5 If winter seal damper motor doesn t operate 28 10 4 6 Damper blade will not close 29 10 4 7 Circuit Diagram 29 11 0 Fan Motor Assembly 30 11 1 Fan motor assembly removal 3...

Page 5: ...cessory located on the roof of the home and is designed to provide the minimum ventilation requirement of 0 5m to the Evaporator Module installed within the roof space The model range as follows Model XQ4 Iceberg The main sections covered include Cooler Operation Troubleshooting Servicing Components Removal Assembly Procedures Technical Specifications Definitions Shall Indicates a mandatory requir...

Page 6: ...ements of 0 5m required by the Iceberg 0 5m may be achieved with the use of roof vents gable vents eve vents or the Brivis Icecap There are 4 x fan motors installed on the unit The fan module has 4 x duct connections Each of 450mm diameter Fresh air is drawn into the unit via the air inlet mesh when the damper assembly winterseal has opened enabling air flow into the home The Iceberg Evaporator Mo...

Page 7: ...e Internal Inlet Mesh Acoustic Cooling Chamber Acoustic Cooling Chamber Hydrochill Pads Toggle Clips Control Service panel Water Inlet Isolation switch Primary Drain Discharge Discharge pop Fan assembly Circulation Pump Drain Pump Pump Outlet Drain pipe Water distribution outlet Water distribution pipe ...

Page 8: ...ntrol Panel 2 4 Brivis Icecap Components Brivis Icecap Plastic BAL Icecap Metal Mesh Screen Note For installation requirements refer to the Appendix for more detail 2 x Fan Power Supplies Aquasave Main Control Board Isolation switch Water Solenoid Valve ...

Page 9: ...g thus saving water 2 4 Trident Water Management System The Trident Water Management System uses three stainless steel probes to detect the water level within the tank There is a high and low level feedback to the PCB 2 5 Winterseal Assembly The Evaporator Module is fitted with a Winter Seal damper which opens when there is a call for cooling and closes when the system is turned off 2 6 Drain and ...

Page 10: ...77 Type 48VDC 1 ph Pump Rating 110 240 V Model Fans Tech Pump Capacity 30 L min DM075D3 DF0 32 Winding Resistance 122Ω Watts 290W Amps 6 R P M Rated 3480 Distribution Hose Size 20mm 20DN pressure pipe R P M Max Setting 3400 Current draw 8Amps 48Vdc PCB Water Supply Solenoid XQ4 Main PCB Inlet Valve Type ELBI E V Type 329 Inlet Valve Rating 240 V 0 03 Amps Fan Power Supply Inlet Valve Capacity 5 5L...

Page 11: ...285 Issue 1 Service Manual Iceberg 6 3 1 Wiring Diagram ...

Page 12: ...rom Electronic Filter Common to Fan modules Motor power supply to Fan Modules Trident water Sensor Speed Control Signal 0 10Volts Drain Pump Circulation pump Solenoid valve Not in use Wall Control Aqua Saver Dips Switches Drain refill cycles count Fan Motor B Neutral Fan Motor A Neutral Earth Neutral Fan Motor A Neutral Fan Motor B Neutral ...

Page 13: ...hut down The damper assembly will shut 2 min after the fans have shut off and 45min the drain pump will be turned on and the water will be drained out of the system The following will occur When the wall control is turned OFF the Iceberg Cooler will drain the water after a 45min delay time The pump will then turn on and continuously run for 10min During this 10 min on time the solenoid will open f...

Page 14: ...id opens 45 sec later Solenoid turns off after 90 seconds Fan turns on and operates at its set speed 4 min Cycle Damper winterseal will open Wall control has been turned off Fan runs down and then increases to a set speed for 6 min to dry pads fan will then stop 45 min later the drain pump starts operating 2 min later the Solenoid opens for 5sec The drain pump operates for 7 min 30 sec then stops ...

Page 15: ...ure is lower The ON fan signal from the Networker accompanies a fan speed signal to determine the speed required according to the temperature differential between the room temperature and set comfort level The fan will operate at minimum speed when the room temperature is up to 10 C above the set comfort level and is incremented to be at maximum fan speed when the room temperature is 50 C or more ...

Page 16: ...g 11 5 0 Installation Requirements The below section provides an overview of the platform installation requirements for more detail refer to the Iceberg Installation manual 5 1 XQ4 Dimensions 5 2 Platform Service Clearance With Module ...

Page 17: ...roof space in close proximity to the Evaporator Module The power socket should be wired back to the meter box on a dedicated power circuit IMPORTANT Switch OFF the power and unplug the Cooler before touching any internal cooler breaker wiring If any internal electrical wiring is damaged it must be replaced by the manufacturer its service agents or an electrically qualified technician in order to a...

Page 18: ...ecommended as they may cause damage or lock up the Cooler s inlet mechanism where high lock up pressures or freezing water in pipes may occur For the owner s convenience an additional isolating valve may be provided at ground level to isolate the water supply The water supply pipe must be supported and secured so as not to place strain on the Cooler s water connection fittings or cause water hamme...

Page 19: ...e compartment runs down to the solenoid chamber Note The water inlet solenoid uses the water supply pressure to activate the diaphragm in the closing action of the valve Ensure the solenoid closes within 5 seconds of turning the 240 Volt power Off to the water inlet solenoid 7 2 Water Inlet Solenoid Removal Power supply Turn off the water Care must be taken when disconnecting the water supply as t...

Page 20: ...delay period i e Damper motor delay Check the water supply tap is turned ON Check that the water supply pressure is within the operation range 300 KPa 1000 KPa Checks that both the High and Low Level Sensors are open Circuit are not current Check that the water inlet solenoid is energised 240 Volt at the water INLET SOLENOID ACTIVE and INLET SOLENOID NEUTRAL terminals Neutral Active Check if 240 V...

Page 21: ...e water inlet solenoid from functioning Check the power supply is turned ON and is the correct polarity and voltage Mains Active in and Neutral terminals Check that the control board fuse is not open circuit Check the control board has power turned ON and is correctly wired If water inlet solenoid operates Replace control board and check for output voltage to the water inlet solenoid If water inle...

Page 22: ...uires the water inlet Solenoid to be energised Check the Cooler is not in Pre Program operation requiring the water inlet solenoid to be operating i e wash or flush function If no power Check the water inlet solenoid has not blocked or jammed open 8 0 Brivis Aquastop The Aquastop is a valve that protects the property from being damaged due to excessive water should a failure occur The built in sen...

Page 23: ...cated in the acoustic cooling chamber base close to the main service compartment back wall and can be easily accessed from inside the cooler The pump loom is part of the pump and can disconnect and removed from the control board Please ensure when pulling the pump loom away from the control board it will need to be placed back into the correct location The pump allows the water to flow through the...

Page 24: ...Isolate the 240 Volt power supply Remove the fan motor and pad assembly either right or left hand side Pull the pump away from the distribution pipe Lift upwards and away from the base of the unit Remove the pump wiring loom away from the main control board ...

Page 25: ...erate Check that the pump is switched ON and that the pump is not in an operation delay period i e water contact across Trident probes Check for 240 Volt output to the pump at the PUMP NEUTRAL and PUMP ACTIVE terminals on the pump Neutral Active Testing across the two terminals should read 240 Volts ...

Page 26: ...pump doesn t operate Refer to mechanical checks Replace pump 9 2 4 If NO power Check the Cooler s operation is not in a delay period preventing the pump from functioning Check the power supply is turned ON at the power point Check for the correct polarity and voltage MAINS ACTIVE IN and NEUTRAL terminals Check the cooler isolation switch is turned ON Check the pump loom and all terminals Check the...

Page 27: ...2 6 Circulation Pump Mechanical Checks Check that the tank water level is correct Check the water distribution piping is not blocked Dismantle the pump as per the instructions Check and clear the pump filter housing of any obstruction Replace the Circulation pump assembly if impellor is damaged or jammed 9 3 Drain Pump This pump is the same pump type as the circulation pump To diagnose this pump p...

Page 28: ...ouver blade to the open and close position pending if the unit is in or not in use The motor that drives the winter seal damper assembly is 240 Volts controlled through a geared cam shaft and switch The motor is powered to open on one switch circuit and powered to close on another The cam shaft causes the switch contacts to open stopping the motor and mechanism at the correct position whether the ...

Page 29: ...e 240 Volt power supply Unscrew the 2 holding screws and lift the cover away from the damper motor assembly Remove the control wiring away from the control board Remove the Toggle clips and lift the chambers lid up and away from the unit Turn the lid upside down to expose the grub screw and unscrew using an allen key ...

Page 30: ... hold the damper assy Then remove the assembly Once you have removed the damper assy Then you can pull the back part of the blade out of the holding bracket Once you have pulled the bracket away from the blade pull the blade away from the damper motor assembly end ...

Page 31: ...ck if 240 Volt power present on the Winter Seal MOTOR SWITCH a and MOTOR b Active Open terminals and Neutral see diagram Check unit is not in delay operation e g Pre Wet 10 3 If power is present to the switch terminal but not to the motor terminal Check wiring loom and connections between the motor and the micro switch for open circuit Check the MOTOR MICRO SWITCH cam shaft is not damaged Replace ...

Page 32: ...NEUTRAL Replace damper motor assembly 10 4 1 If damper motor assembly does not operate Replace damper motor assembly 10 4 2 If motor operates Check linkages are free moving and not jammed Check gear linkage mechanism is not jammed Replace gear linkage mechanism Active Black and Red Check the damper motor assembly winding resistance 12 5 KOhm 20 0 C on both motor windings ACTIVE TO NEUTRAL Neutral ...

Page 33: ...osition to open close depending on which direction the motor is to be driven If the motor is driven too far in either direction damage will occur to the linkages and mechanism 10 4 4 If winter seal damper motor operates Check wiring and connections for open circuit Replace main control board and re test 10 4 5 If winter seal damper motor doesn t operate Replace damper motor assembly Motor Active M...

Page 34: ... damper motor assembly is not in a delay period from a prior Cooler operation i e 2 minute after the fans are turned off Follow check procedures as above for damper blade will not open with power test to Active Close terminal on the damper motor assembly and switch 10 4 7 Circuit Diagram ...

Page 35: ...ual mode the fan motor will be powered to turn on just as the damper winter seal motor will start to open When the fan motors start they will all run on a minimum fan speed and after 20secs it will then gradually increase till it s reached the speed set from the wall control Once the unit has been turned off the fan motors drop their speed down to a minimum level and then run for 6min for pad dry ...

Page 36: ...ggle clips that hold the acoustic cooling chamber top onto the chamber base Then proceed to lifting the top chamber away from the base of the cooler Disconnect the wiring loom from the fan motor plug Slide the fan motor upwards and then from the centre of the cooler pull the motor towards you Then remove it away from the cooler chamber You then need to remove the 2 screws and nuts that hold the fa...

Page 37: ...e circuit board and that the connections are good Check that the extended wiring loom is correctly connected to the motor loom Check the motor winding resistance refer Motor Circuit Diagram and Technical Information Sheet With a spanner hold the locking nut at the back of the fan and unscrew the screws holding the fan motor from the front of the fan wheel Then turn the fan wheel in a clock wise di...

Page 38: ... Active and Blue Neutral at both Fan Power Module located in the service compartment As the incoming power is on the bottom of the Fan Power Module you would check the power supply on the Main Control board If 240Volt AC is present then Check if there is 48Volt DC output at maximum fan speed at each 4 fan motor connections Red Active and Blue Neutral on both Fan Power Module GF600 1C AM located in...

Page 39: ...her Auto or Manual mode the cooler will start a Pre Wet stage to ensure the pads are thoroughly wet before the fan starts This contributed to the effective operation and performance of the cooler The Pre Wet time will vary depending on how long the cooler has been OFF and whether it needs to fill the tank prior to operation Operating Modes The cooler has several operating modes which are as follow...

Page 40: ...ws you to pre set the cooler to turn ON early and not let the house build up heat The outlet airflow noise is kept to a minimum as the fan speed is only as fast as required to maintain the set comfort level Thos slower speed also results in more efficient saturation of the cooler filter pads and a cooler outlet air temperature 2 MANUAL mode MANUAL mode operation allows you to manually control the ...

Page 41: ...utton to save the timer setting 5 Controller will return to the OFF screen and time until on will be displayed eg ON IN 4 00 Setting the timer to turn system OFF 1 System must be running in the desired operating mode ie AUTO COOL MANUAL or FAN ONLY 2 Push the TIMER button to enter timer setting mode 3 Press the and buttons to adjust OFF time 4 Press the TIMER button to save the timer setting 5 Con...

Page 42: ... the Installation Check will start automatically and proceed through the following sequence A WinterSeal will open B Water solenoid will open and tank will begin to fill with water C When high level is reached the solenoid will close and drain pump will run for 2 minutes D After 2 minutes item b will repeat followed by c E If there are no issue with the water supply and primary drain the Winter Se...

Page 43: ...lush operation if necessary The iceberg will leave the factory at 150 refills position 9 as its features the aquasave to purify the water this reducing the drain cycle Potentiometer position Description 1 Drain water system after 10 refills 2 Drain water system after 20 refills 3 Drain water system after 30 refills 4 Drain water system after 50 refills 5 Drain water system after 70 refills 6 Drain...

Page 44: ...properly supported along its entire run and must not place strain on the Evaporator Modules outlet fitting or base The drain connection size at the Evaporator Module is a 20mm socket to suit 20mm pressure pipe Check the water drains completely 14 1 Safety Tray Secondary Drain The Safety Tray must be drained independently of the Evaporator Module and be assembled using 40mm DWV with no reduction in...

Page 45: ...solenoid will close and drain pump will run for 2 minutes d After 2 minutes item b will repeat followed by c e If there are no issue with the water supply and primary drain the WinterSeal will close 6 If the WinterSeal does not close and the system stops check the following a Supply pressure is between 300kPa and 1000kPa b There is continuous fall on the primary drain 7 Once Completed return dip s...

Page 46: ...er Inlet Solenoid Check the Water Inlet Solenoid and water supply hose including the Aquastop has filters fitted and are clean Check the water supply hose and clamps are in good condition Check the Water Inlet Solenoid opens in the normal operation sequence and closes within 5 seconds of the Main Control Module turning OFF the power supply Check the water pressure is sufficient to fill the tank wi...

Page 47: ...onfigured for best room air mixing Check the air distribution is correctly balanced Check there is adequate exhaust opening available for correct operation Check the Iceberg wall control is located in a suitable position for correct operation Check the unit operates in both Manual and Auto modes IMPORTANT NOTICE This document is a guide only Laws regulations and industry standards can vary between...

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