Manuals / Potthof & Co / Household Appliance / Boiler

Potthof & Co 28kw, 24kw, 33kw manual General Layout

Models: 24kw 28kw 33kw

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						2.0	General Layout
						2.1	Layout
23
1						1.	Expansion Vessel
1					15	2.	Automatic Air Vent
						2.	Automatic Air Vent
						3.	DHW Plate Heat Exchanger / Automatic Bypass
22						4.	Circulation Pump
						4.	Circulation Pump
						5.	Drain Off Point
14						6.	Safety Pressure Relief Valve
						7.	Optional Integral Timer Position
					13	8.	Central Heating System Pressure Gauge
21						9.	PCB
					16	10.	Control Box
						11.	3-Way Valve Assembly
					20	12.	Condensate Trap
						12.	Condensate Trap
						13.	Flame Sensing Electrode
						14.	Spark Electrode
						15.	Primary Heat Exchanger
						16.	Fan Assembly
						17.	On/Off/Reset Selector Switch
						18.	Central Heating Temperature Control
						19.	Hot Water Temperature Control
10						20.	Venturi
9	8					21.	Air/Gas Collector
9
						22.	Combustion Box Cover & Burner
		7				22.	Combustion Box Cover & Burner
						23.	Igniter
						24.	Burner On Light
						25.	Central Heating Mode Light
						26.	Domestic Hot Water Mode Light
					12	27.	Display
					12
						28.	Integral Timer
	11				2
	11
					3
			4		5
					6
		25	26
			26
									2	1	12
									3		11
									4		10
	Reset						2		5			9
	Reset								PM
								3	PM			8
								3	7			7
									8			AM
							0	4	9		0	5
							bar		10		4
									11		3
									12	1	2
	17	27	24	18	19		8			28

8© Baxi Heating UK Ltd 2012

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Potthof & Co 28kw, 24kw, 33kw manual General Layout

Contents

Installation & Service Instructions Gold HE ARange CondensingISO FM 0086Natural Gas Installer Notification Guidelines Scheme Members onlyLegislation Safe Manual Handling GeneralPreparation TechniqueCONTENTS 1.1Description 1.0Introduction1.2Contents of Pack General Layout Layout3.0Appliance Operation 3.1Central Heating Mode Fig.3.2Domestic Hot Water Mode Fig. 3.3Frost Protection ModePump - Available Head 4.0Technical Data4.1Gold Combi 24, 28 & 33 HE A 5.0 Dimensions and Fixings Dimensions780mm At least6.0System Details 6.1Information6.2Central Heating Circuit 6.3Bypass6.7Safety Pressure Relief Valve Fig. 6.0System Details6.5System Filling and Pressurising Fig. 6.6Expansion Vessel Central Heating only6.0System Details 6.8Domestic Hot Water Circuit Fig.Showers 6.10Hard Water Areas7.2 Clearances Figs. 8 & 7.0 Site Requirements7.1Location 7.0Site Requirement 7.3Ventilation of Compartments7.4Gas Supply 7.5Electrical Supply7.0Site Requirements of pipe runMinimum fall7.0Site Requirement metreMinimum fall7.0 Site Requirement metremetre metreR N M I F B L A G I 7.0Site Requirements7.8Flue 8.0Flue Options Total equivalent length = A+B+C+2x90Bends8.1Horizontal Flue Systems Horizontal FluesFlue Options Total Equivalent Length =A+B+C+1x90Bend Vertical Flues8.3Flue Accessories 8.0Flue Options8.5Twin Flue Connection 8.0Flue Options8.4Twin Flue Duct Adaptor 8.7Flue Dimensions 8.0Flue Options8.6For Roof Terminals 8.8Flue Trim9.0 Plume Displacement 9.1 Plume Displacement Kit Fig.9.0Plume Displacement 28/3328/33 28/33Plume Displacement 50mmGeneral Fitting Notes 30mm30mm Plume Displacement10.2Flushing 10.0Installation10.1Unpacking & Initial Preparation Fitting the Filling Loop Kit 10.0 Installation10.3 10.6Condensate Drain see section 10.0Installation10.4Fitting The Boiler 10.0Installation 10.7Fitting The Flue10.0 Installation 10.7Fitting the Flue Cont10.9Preliminary Electrical Checks 10.0Installation10.8Making The Electrical Connections 11.0Commissioning 11.1Commissioning the Boiler11.0Commissioning 11.3Setting the Timer 11.0Commissioning12.0Completion 12.1Completion13.0 Servicing 13 .1 Annual Servicing13.2 Annual Servicing - Inspection13.0 Servicing Electrode Position10 ±1 Annual Servicing - Inspection Cont14.2Spark and Sensing Electrodes Fig. 14.0 Changing Components14.1Igniter Fig. 14.0Changing Components 14.3Fan Fig.14.4Venturi Fig. 14.5Injector Fig.14.7Insulation Fig. 14.0 Changing Components14.6Burner Fig. 14.10Central Heating Temperature Sensor NTC Fig. 14.11Safety Thermostat Fig.14.12DHW Temperature Sensor NTC Fig. 14.0Changing Components14.0Changing Components 14.14Pump - Head Only Fig.14.15Pump - Complete Fig. 14.16Automatic Air Vent Fig.14.0Changing Components 14.17Pressure Gauge Figs. 94 &14.18Hall Effect Sensor Fig. 14.19Pressure Relief Valve Fig.14.20Plate Heat Exchanger Fig. 14.21Diverter Valve - Motor Unit & Assembly Fig.14.0Changing Components 14.22P.C.B. Fig. 14.23 Selector Switch Fig.14.0Changing Components 14.25Expansion Vessel Fig. 14.0Changing Components14.24Gas Valve Fig. 15.0Setting the Gas Valve 15.1Setting the Gas Valve CO2 check16.0Electrical 16.1Illustrated Wiring DiagramControl PCB brown17.0 Short Parts List Short Parts List315316 311 404419 422 400 415 503 50418.2Error Codes 18.0Fault Finding18.1Initial Fault Finding Checks 18.0 Fault Finding Turn Domestic Hot Water Fault Finding Solutions Sections 18.0 Fault Finding10 ±1 18.0 Fault FindingElectrode Position 18.0 Fault Finding 19.0Pages for Notes 60 Baxi Heating UK Ltd19.0Pages for Notes Baxi Heating UK LtdGAS BOILER SYSTEM COMMISSIONING CHECKLIST CENTRAL HEATING MODE Measure and RecordDOMESTIC HOT WATER MODE Measure and Record ALL INSTALLATIONSService Record POTTERTON Brooks House, Coventry Road, Warwick. CV34 4LLe&oe 7202085 - 07 5/12