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MB Pool & spa heater

3. To remove the manual reset high limit, follow the
procedure for the high limit thermostat but in
addition, disconnect the electrical connections
and release its mounting bracket from the side
panel by removing the M4 nut at the front of the
bracket. The thermostat can then be removed

from its bracket. Ensure thermostat phial is

correctly located in its pocket.

4. Reverse above procedure to reinstall.

185, 265 & 405 Models

MANUAL RESET HIGH LIMIT REMOVAL

1. Shut off main electrical power switch to

heater.

2. Remove inspection panels.

3. Disconnect electrical connections from

thermostat.

4. Remove defective high limit and replace

with a new high limit. Secure bulb in

pocket with chip provided.

5. Reverse above procedure to reinstall.

HIGH LIMIT REMOVAL (A.G.S.)

1. Shut off main electrical power

switch

heater.

2. Remove inspection panels.

3. Drain heater.

4. Remove defective high limit

and replace with a new high limit.

5. Reverse above procedure to reinstall.

All Models

PILOT SAFETY IGNITION

The heater employs a pilot safety which closes the
main gas valve within 8/10ths of a second whenever
the pilot fl ame is interrupted. Pilot fl ame is automati-
cally lit when the device is powered. Unit performs
its own safety check and opens the main valve only
after the pilot is proven to be lit.

BURNER DRAWER REMOVAL

1. Shut off main electrical power switch to

heater.

2. Shut off gas upstream of heater.

3. Remove front door.

4. Disconnect gas line from gas valve.

5. Remove (2) screws that mount burner tray

unit.

6. Disconnect wires that terminate at gas valve.

7. Slide out burner tray.

8. Reverse above procedure to re-install.

NOTE

IMPORTANT Reconnect Earth Connection

055, 105 & 155 Models

GAS VALVE REMOVAL

1. Remove burner tray. (See burner drawer

removal

procedure).

2. Disconnect pilot tubing from gas valve.

3. Remove gas valve with manifold from

burner

tray.

4. Remove manifold from gas valve.

5. Reverse above procedure to re-install.

185, 265 & 405 Models

GAS VALVE REMOVAL

1. Shut off gas supply to the heater. Remove

gas piping to gas valve inlet.

2. Disconnect wires, pilot tubing and bleed

line,

required.

3. Turn vertical gas pipe from manifold

slightly and unscrew gas valve.

4. Reverse above procedure to re-install.

All Models

MAIN BURNER AND INJECTOR REMOVAL

1. Remove burner drawer. See burner

drawer

removal

procedure.

2. Remove screws and burner hold down

bracket.

NOTE:

If the heat exchanger is sooted badly, the

burner hold down bracket and spacer can become
distorted from direct fl ame impingement and this
usually necessitates replacement of these parts.

3. Lift burners from slotted spacers and slide

from orifi ces. Clean with a wire brush.

4. Orifi ces usually do not need to be

replaced. To clean, run either copper wire

or a drill shank through orifi ce. Do not

enlarge hole. To remove orifi ce, use a

socket wrench and remove from manifold.

NOT

overtighten when reinstalling.

055, 105 & 155 Models

PILOT REMOVAL AND CLEANING

1. Remove burner drawer. (See burner

drawer

removal

procedure).

2. Disconnect pilot tubing, disconnect wires

from

gas

valve.

3. Disconnect pilot bracket from burner shield.

4. Remove pilot from bracket.

5. Remove pilot orifi ce, and clean with wire or

small

brush.

CAUTION! DO NOT

enlarge

hole in pilot orifi ce.

6. Reverse above procedure to re-install.

Содержание MB055

Страница 1: ...WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbour s phone Follow the gas sup plier s instructions Installation and service must be performed by a Gas Safe registered installer service agency or the gas supplier Operating Installation and Servicing Instructions fo...

Страница 2: ...G31 37 mbar MODEL 055 105 155 185 265 405 Corgi Work Code 1014374 1014375 1014376 1014377 1014378 1014379 HEAT GROSS kW 14 65 12 9 26 67 38 98 49 53 71 5 108 4 INPUT Btu h 50 000 44 000 91 000 133 000 169 000 244 000 370 000 NET kW 13 2 11 9 24 54 35 86 45 57 65 8 99 8 Btu h 45 000 40 500 83 720 122 360 155 480 224 480 340 400 HEAT kW 11 0 10 06 20 8 30 4 38 63 55 8 84 58 OUTPUT Btu h 37 400 34 30...

Страница 3: ...ons 16 Plumbing for water connections 16 Left side water connection conversion 19 Electrical wiring SERVICING INSTRUCTIONS 22 General location of controls 24 Temperature controls 25 Pressure switch 26 High limit 26 Pilot safety 26 Burner drawer removal 26 Gas valve removal 26 Main burner orifice removal 26 Pilot removal cleaning 27 Heat exchanger removal 27 Control immersion well replacement 27 Tu...

Страница 4: ...ERSONAL INJURY OR LOSS OF LIFE START UP PROCEDURES BEFORE START UP BURNERS Clean air louvres of dust lint and debris Keep heater area clear and free from combustibles flam mable liquids and chemicals Do not obstruct the flow of combustion and ventilating air WATER Water must be flowing through the heater during operation Ensure that system is filled with water and the pump is operating 055 105 155...

Страница 5: ...e appliance and to replace any part of the control system and any gas control which has been under water OPERATING MODELS 055 105 and 155 Quick Start Check that the Electricity and Gas Supplies are on Turn on the Pool Pump Turn on the Heater with the switch on the Front Panel and set the desired temperature with the Pool Temperature Knob In a few seconds the Heater will fire Summary of Controls Le...

Страница 6: ...nd pool heating is off On There is Pool Heating Demand and the Pool is not up to temperature Flashing The Pool Heating Demand is met the pool is up to temperature Pool Temperature Control Knob 16 C to 32 C or 41 C 60 F to 90 F or 106 F Maximum is changed in Setup Mode see Page 34 Rotate clockwise to increase the Pool Temperature The Setting Temperature is shown whilst rotating the control knob and...

Страница 7: ...Pregnant Women Beware Soaking in water over 39 C 102 F can cause fetal damage dur ing the first three months of pregnancy resulting in the birth of a brain damaged or deformed child Pregnant women should stick to the 38 C 100 F maximum rule 4 Before entering the spa or hot tub users should check the water temperature with an accurate thermometer spa or hot tub thermostats may be in error in regula...

Страница 8: ... running i e overnight Chlorinators must feed downstream of the heater and have an anti siphoning device to prevent chemical back up into the heater when the pump is shut off NOTE High chemical concentrates from feeders and chlorinators that are out of adjustment will cause very rapid corrosion to the heat exchanger in the heaters Such damage is not covered under the warranty COLD WEATHER OPERATIO...

Страница 9: ...nded that this manual be reviewed thoroughly before installing your pool spa heater If there are any questions that this manual does not answer please contact the supplier All heaters are inter changeable and can be used either indoor or outdoors The appropriate top designated for that type of use is required If desired the top can be changed at a later date to change from outdoor to indoor or vic...

Страница 10: ...k regulations 1989 CP341 Water Supply British Gas Publications IM2 Purging Procedures of Non domestic Gas Installations IM5 Soundness Testing Procedures for Industrial and Commercial Gas Installations Sheet Metal 24 Gauge 0 7mm 12 Min 300mm 12 Min 300mm 4 Min 100mm Hollow concrete cinder block align holes and leave ends open Alternative method for providing a non combustible base Models 185 265 40...

Страница 11: ...me the heat exchanger Heaters must not be installed under an overhang of less than 1 0m 3 feet from the top of the heater Three 3 sides must be open in the area under the overhang Roof water drainage must be diverted away from the heaters installed under overhangs with the use of gutters The point from where the flue products exit the heater must be a minimum of 1 25m 4 feet below four 4 feet hori...

Страница 12: ...ted in an area where water sprinklers or other devices may cause water to spray through the cabinet louvres and into the heater This could cause heavy internal rusting or damage some electrical components and this would void the warranty It is recommended that the casing is cleaned and sprayed with WD40 or similar liquid and exposed threads on the manifolds are lightly coated in grease after assem...

Страница 13: ...l be trapped between the brackets and the top of the stack Place the stack over the inner adapter panel flanged hole and lower the louvered jacket top panel back into its original position Reinstall the four No 10 flat head screws removed in step 1 above S8960 Draught Diverter Jacket Top Mounting Screws 8 Screw Hole Location 3 25 82 5mm Draught Diverter No 10 Screw 3 Flue Collector Part of Heater ...

Страница 14: ... NPT 31 8 70 2 3 5 105 127 5 1 NPT 48 105 3 5 8 155 152 6 2 NPT 62 135 3 5 8 825mm 32 1 2 Gas Connection 60mm 2 3 8 525mm 20 3 4 455mm 18 620mm 24 1 2 130mm 5 1 8 325mm 12 7 8 475mm 18 3 4 65mm 2 1 2 85mm 3 3 8 190mm 7 1 2 Gas Con nection 65mm 2 1 2 325mm 12 3 4 510mm 20 690mm 27 1 4 1070mm 42 610mm 24 DIMENSIONS 105 Model Only DIMENSIONS 055 Model Only 835mm 32 7 8 ...

Страница 15: ... 8 405 1570mm 61 SPECIFICATIONS DIMENSIONS 185 265 405 MODEL WIDTH FLUE DIA CONNECTIONS SHIPPING WEIGHT A B GAS WATER kg lbs mm in mm in APPLIANCE DIVERTER 185 464 18 1 4 150 6 2 NPT 86 8 191 5 5 12 265 568 22 3 8 175 7 2 PLASTIC 97 214 7 15 405 743 29 1 4 230 9 2 PLASTIC 115 253 9 20 DIMENSIONS 155 Model Only 610mm 24 1140mm 44 7 8 770mm 30 3 8 390mm 15 3 8 370mm 14 1 2 680mm 26 3 4 900mm 35 1 2 ...

Страница 16: ...ht of the flue terminal above the draught diverter must ensure sufficient buoyancy to overcome the re sistance of the bends and horizontal runs of the flue pipe The number of bends and length of horizontal run must be kept to a minimum to reduce resistance The chimney must terminate in a downdraught free zone The flue chimney design should avoid the formation of excessive quantities of condensate ...

Страница 17: ...PTFE tape on the gas line pipe thread A flexible sealant is recommended Models 055 and 105 are fittef with a BSP gascock all others have a gascock A minimum of 20 mbar 8 WG and a maximum of 22 mbar 8 W G upstream pressure under load and no load conditions are provided for natural gas or a minimum of 37mbar 14 W G and a maximum of 45 mbar 18 W G for propane gas GAS PRESSURE For LPG Heaters the gas ...

Страница 18: ...s from their pockets beware of the heatsink compound anddisconnect the connections to the pressure switch and the overheat thermostat 3 Re route the sensors and cables to the other side 4 Remove the 12 bolts holding the Headers to their respective tubesheets 5 Clean the mating surfaces for the header gaskets and the gaskets themselves NB Use only silicone grease as a lubricant 6 Fit the headers on...

Страница 19: ...ucture of adjacent area High temperature 2 plastic pipe CPVC may be threaded directly into the Cast Iron header flanges This is not the same as the Schedule 80 PVC pipe which is also coloured grey PVC may be used immediately after the CPVC adapters NOTE If operating pressure above 2 bar 30psi are encountered then connection pipes must either be screwed into the flange or suitably anchored CAUTION ...

Страница 20: ...46 1 C despite continually changing flow rates from the filter and changing pool temperatures This nar row range is needed to prevent damaging conden sation on the burners which will occur if the heater runs for any length of time below 37 8 C It is also needed to inhibit scale formation in the tubes by maintaining temperatures well below accelerated scaling temperatures INTERNAL AUTOMATIC BY PASS...

Страница 21: ... All fuses must be ASTA approved to BS1362 Connect the power supply as shown above Ensure that the cable is clamped in the cable clamp The wires must be such that the current carrying con ductors become taut before the earth conductor in the event of the cable clamp not gripping the cable adequately NOTE Input power to the heater 220V should be supplied from the load Pump side of time clock or swi...

Страница 22: ...4V SOLID STATE THERMOSTAT R GAS VALVE 3 AMP FUSE WITH THERMAL FUSE TRANSFORMER NON REPLACEABLE POTENTIOMETER MANUAL SWITCH TEMP SENSOR L N E BR B Y Y 230 V 24 V G Y Y Y Y G Y GND PV MV MV PV TH 24 TR GND Y Y Y Led ROBERTSHAW PILOT ROBERTSHAW FAULT INDICATIONS Reset by turning supply off then on OK WORKING FAILED TO LIGHT PILOT FAILED INTERNAL CHECK OFF or OFF ON FLASHING Bk Bk Bk Bk Bk Bk Bk Bk Bk...

Страница 23: ...E Br B 230 V 24 V G Y PILOT G Y GAS VALVE Gy B B Br Or Or R W V P Y Bk Bk Or ROBERTSHAW FAULT INDICATIONS Reset by turning supply off then on OK WORKING FAILED TO LIGHT PILOT FAILED INTERNAL CHECK OFF or OFF ON FLASHING 21 07 06 GND PV MV MV PV TH 24 TR GND Y Led R Bk Y G Y Y Y 3 Amps WIRING DIAGRAM 185 265 405 MODELS ONLY KEY Bk BLACK Br BROWN R RED Y YELLOW G Y GREEN YELLOW Bl BLUE Or ORANGE V V...

Страница 24: ...itch Burners Pilot Gas Valve Solid State Thermostat Ignition Control Drain Valve Unitherm Governor Bronze Units Only Bypass Valve High Limits Overheat Thermostats High Limits Overheat Thermostats Unitherm Governor Drain Valve Solid State Thermostat Control Ignition Control Pressure Switch Gas Valve Thermal Fuse Pilot ...

Страница 25: ...jacket top panel 4 Rotate control panel down until panel stops Do not force NOTE Caution must be taken not to damage controls or wiring Jacket Top Panel Control Panel Mounting Screws 2 185 265 405 Models CONTROL PANEL REMOVAL 1 Remove 4 screws from sides of control panel 2 Rotate control panel down until panel stops Do not force NOTE Caution must be taken not to damage controls or wiring CONTROL P...

Страница 26: ... short press the Set temperature is displayed It will flash if the Lock is ON Pool Temperature Display This normally shows the Pool Temperature but also show the Setting Temperature when the Pool Temperature Control Knob is moved A Setting Dot is displayed whilst it is adjusted The Display is also used for commissioning and diagnostic purposes Page 34 Pool Demand LED Green Off There is no Pool Hea...

Страница 27: ...1 5 m Max 1 5 m Max FLAME ROLL OUT SAFETY SWITCH The heater is equipped with a thermal cutoff device to prevent flame roll out in the event that the heat exchanger becomes blocked This is a Single use typefusiblelinkorthermalfuse thatmustbereplaced when disabled by an over temperature condition causedbyexcessiverestrictionintheheatexchanger flue passage HIGH LIMITS The heater is equipped with one ...

Страница 28: ...nect wires that terminate at gas valve 7 Slide out burner tray 8 Reverse above procedure to re install NOTE IMPORTANT Reconnect Earth Connection 055 105 155 Models GAS VALVE REMOVAL 1 Remove burner tray See burner drawer removal procedure 2 Disconnect pilot tubing from gas valve 3 Remove gas valve with manifold from burner tray 4 Remove manifold from gas valve 5 Reverse above procedure to re insta...

Страница 29: ...jacket top flue collector and baffles 7 Remove upper front jacket panel and disconnect wires at toggle switch 8 Remove capillary bulb from inlet outlet header 9 Disconnect press switch tube from return header 10 Disconnect hi limit wire from thermostat and pressure switch Remove overheat thermostat capilliary phial 11 Lift heat exchanger straight up from combustion chamber using caution not to dam...

Страница 30: ...tainer located under outlet pipe connection 4 Remove spring and replace old U G with a new U G 5 Reverse above procedure to reinstall Extension Pieces 2 Auger with Carbide Tip Wire Brush To test the operation of the Unitherm Governor place in hot water over 43 C and watch for movement against spring If there is no movement replace unit 055 105 155 Models COMBUSTION CHAMBER REMOVAL 1 Remove heat ex...

Страница 31: ...ebris or blow out gas line Low flow Scale forming in heat exchanger clean heat exchanger and check pool pH and total alkalinity Heater going on and off Dirty filter Backwash filter continuously Low water level in pool Raise water level External bypass setting out of adjustment Adjust bypass Pressure switch out of adjustment Adjust pressure switch Liming or scale forming on Pool water Recommended p...

Страница 32: ...g time to heat Calculate temperature in hr Heat rise hr Heater Output pool or spa Pool gallonage x 8 33 or refer to heater sizing chart This does not take into account heat loss due to weather Filter not running long enough Reset time clock Dirty filter Clean filter Gas line or meter undersized Refer to installation instructions Liming Bypassing too much water Inspect bypass for movement if no mov...

Страница 33: ...g time to heat Calculate temperature in hr Heat rise hr Heater Output pool or spa Pool gallonage x 8 33 or refer to heater sizing chart This does not take into account heat loss due to weather Filter not running long enough Reset time clock Dirty filter Clean filter Gas line or meter undersized Refer to installation instructions Liming Bypassing too much water Inspect bypass for movement if no mov...

Страница 34: ...D GAP CHECK CABLE FOR SIGNS OF MELTING CHECK VALVE VALVE WIRING GAS SHUT OFF VALVES CHECK FLAME SENSE WIRE AND GROUND WIRE CHECK PILOT FLAME COVERS SENSE ROD CLEAN SENSE ROD CHECK VALVE VALVE WIRING CHECK LIMITS AND CIRCULATION FAN CHECK CONTINUITY OF SENSOR CABLE AND GROUND WIRE POOR GROUNDING MAY CAUSE OCCASIONAL SHUTDOWNS CHECK FOR EXCESSIVE HEAT AT FLAME SENSOR INSULATOR CHECK THERMOSTAT CHECK...

Страница 35: ...ansformer is open circuit check combus tion chamber for heat leaks Check 3 Amp fuse TEMPERATURE 40 C 40 5 C Control ok RESISTANCE ABOVE 15k OHMS OPEN CIRCUIT OR SHORT CIRCUIT Fix loose or broken wires Replace sensor if necessary MEASURED AND ESTIMATED RESISTANCE DON T MATCH Replace sensor Reconnect all leads and check out system Check voltage at 24 V terminals VOLTAGE BETWEEN 21 5 28 5 V Set contr...

Страница 36: ... Temperature Displayed units and the Maximum Temperature can also be checked and viewed in Setup Mode User Setup Mode The following must be carried out within 5 seconds of turning on the Mains supply this is when the display is fully illuminated Turn the Mains supply ON Press and hold the Lock Unlock Button until the display stops flashing The Control is now in Setup Mode The display will show add...

Страница 37: ...erheat Log Number of Operations Resets to zero OH1 Red LED ON 3 Hi Limt Log Number of Operations Resets to zero HI Front Red PCB LED ON 4 Thermal Fuse Log Number of Operations Resets to zero roL Rear Red PCB LED ON 5 Hours run 0 Press resets to zero 156 1560 hrs both PCB LEDs on 6 Display td0 td1 td0 td1 Test Temperature Display Mode 1 td1 The display will now show the Pool sensor temperature and ...

Страница 38: ...ENT PARTS LIST 055 Easiheat Model NOTE To supply the correct part it is important that you state the model number serial number and type of gas when applicable 4 P 3 P 2 P 1 P spares2 pcx Pilot Silver Pilot Black 7 P 8 P 6 P 5 P 2 G ...

Страница 39: ...28 9 H Bulb Retainer Clip 300203 10 H U G Gasket 800276 11 H Inlet Outlet Flange 350746 12 H Flange Gasket 800013B 13 H Bypass Baffle 306079 M MISCELLANEOUS COMPONENTS 1 M Pressure Switch 650634 2 M Pressure Switch Tube Assembly 062212 3 M Thermostat Knob 800201 4 M Knob Stop 305138 5 M Dial Plate M3060 6 M Transformer M650531 7 M Toggle Switch 650595 8 M Wire Harness II M3552 9 M Thermal Fuse 651...

Страница 40: ... C 6 H 7 H 11 H 3 J 2 M 3 H 1 M 5 C 1 H 5 M 5 S 3 M 4 M 12 H 4 S 1 R 2 B 3 B 1 G 2 J 4 C 3 S 1 B 4 H 8 H 6 S 6 S 4 J 3 C 9 M REPLACEMENT PARTS LIST 105 Model 4 P 3 P 2 P 1 P Pilot Silver Pilot Black 7 P 8 P 6 P 5 P 10 M 2 G 2 H 2 G softlite tif 14 H ...

Страница 41: ...ing Clip 300203 16 H Sensor Well High Limit M3028 J BOX CONTROL BOX 2 J Ignition Control Abbey SPMB502 1 Ignition Control Robertshaw SPMB502 3 J Transformer 230V 24V M650531 4 J Toggle Switch 650595 M MISCELLANEOUS COMPONENTS 1 M Pressure Switch 650634 2 M Pressure Switch Tube Assembly 064685 3 M Thermostat Knob 800201 4 M Knob Stop 305138 5 M DialPlate M3060 8 M Wire Harness M3551 9 M Thermal Fus...

Страница 42: ...40 MB Pool spa heater REPLACEMENT PARTS LIST 155 Model 4 P 3 P 2 P 1 P bits tif Pilot Silver Pilot Black 7 P 8 P 6 P 5 P 2 G 2 C 12 H ...

Страница 43: ...765F 15 H Well Retaining Clip 300203 16 H Inlet Outlet Flange 003766F 17 H Flange Gasket 1 1 2 Connections 800217 Flange Gasket 2 Connections 800080B J BOX CONTROL BOX 2 J Ignition Control Abbey SPMB502 1 Igintion Control Robertshaw SPMB502 3 J Transformer 230V 24V M650531 4 J Toggle Switch 650761 M MISCELLANEOUS COMPONENTS 1 M Pressure Switch 650634 2 M Pressure Switch Tube Assembly 054374 3 M Th...

Страница 44: ...7 H 4 H 6 H 2 C 8 H 3 H 8 S 18 H 1 V 2 M 1 M 18 H 4 S 1 J 2 J 6 S 5 M 3 B 4 B 1 G 3 S 1 B 7 S 10 S 4 S 12 S 4 P 3 P 2 P 1 P 3 V 17 H 16 H 1 C 11 H 12 H 9 H 10 H 13 H 2 S 5 S Pilot Silver Pilot Black 7 P 8 P 6 P 5 P 2 G 6 C 7 H 3 H 8 H 7 H 8 H 14 H 17 H 16 H 9 H 5 C 2 C 1 M 2 H 12 H 11 H ...

Страница 45: ...MB125 12 H Bypass Spring 850293 850293 850293 14 H Sensor Well Pool Temperature 066899 066899 066899 15 H Well Retaining Clip SPMB100 SPMB100 SPMB100 16 H Inlet Outlet Flange Unions inc O rings SPMB2 010 SPMB2 010 SPMB2 010 17 H Flange O Rings 2 sets 006724F 006724F 006724F 18 H Drain Plug 006721F 006721F 006721F H HEAT EXCHANGER CAST IRON 1 H Heat Exchanger Assembly SPMB601 SPMB301 SPMB404 2 H In...

Страница 46: ... 400607 400607 400607 4 P Hi Tension Wire 650998 650998 650998 P PILOT Black 5 P Pilot Natural Propane M3685 M3685 M3685 6 P Pilot Orifice Natural M3687 M3687 M3687 Pilot Orifice Propane M3688 M3688 M3688 7 P Pilot Tube M3690 M3690 M3690 8 P Hi Tension Wire SPMB555 SPMB555 SPMB555 9 P Electrode SPMB536 SPMB536 SPMB536 R 1 REFRACTORY 1 R Refractory Common Left Right 700461 700461 700461 2 R Refract...

Страница 47: ...Blank page ...

Страница 48: ...Station Lane Industrial Estate Witney Oxon Tel 01993 778855 Fax 01993 703407 October 2015 ...

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