IDEAL Henrad WH 30 FF Installation And Servicing Manual Download Page 21

Henrad WH

 FF

 - 

Installation

21

INSTALLATION

Notes.

1.

Some earth wires are omitted for
clarity. Ensure proper earth continuity
when wiring.

2.

Numbering of terminals on thermostats
is specific to the manufacturer.

3.

This is a fully controlled system - set
the boiler thermostat to maximum.

4.

Switchmaster 'Midi' is similar in
operation but the wiring differs slightly -
see the manufacturer's literature.

LEGEND

b

blue

bk

black

br

brown

r

red

w

white

y/g

yellow/green

or

orange

gy

grey

38 PICTORIAL WIRING

LEGEND

b

blue

bk

black

br

brown

r

red

y

yellow

w

white

or

orange

v

violet

p

pink

gy

grey

y/g

yellow/green

39 MID POSITION VALVE

Pumped only

INST

ALLA

TION

Summary of Contents for Henrad WH 30 FF

Page 1: ......

Page 2: ...2 5 3 14 5 5 8 Seasonal efficiency SEDBUK 76 2 75 8 76 2 76 7 77 1 76 0 76 4 Note Gas consumption is calculated using a calorific value of 38 7 MJ m3 1038 Btu ft3 gross or 34 9 MJ m3 935 Btu ft3 nett...

Page 3: ...own stream of the combustion chamber I2H An appliance designed for use on 2nd Family gas Group H only B G Certified P I No 87 AP 107 Destination Countries GB and IE Natural Gas only Appliance type C12...

Page 4: ...ed to these appliances unless covered by these Installation and Servicing instructions or otherwise recommended by Caradon Plumbing Limited in writing If in doubt please enquire Any direct reconnectio...

Page 5: ...in which the boiler is to be installed must be at least wide enough to accommodate the tool Pelmet restrictions If the ability to fit or remove the casing during installation and subsequent servicing...

Page 6: ...general guidance 1 The boiler MUST be installed so that the terminal is exposed to external air 2 It is important that the position of the terminal allows the free passage of air across it at all tim...

Page 7: ...y to have a purpose provided air vent in the room or internal space in which the boiler is installed 2 If the boiler is to be installed in a cupboard or compartment permanent air vents are required fo...

Page 8: ...circulator capable of providing an 11 C 20 F temperature differential e g Grundfos UPS 15 50 or equivalent The vertical distance between the pump and feed expansion cistern MUST comply with the pump m...

Page 9: ...FF shown LEGEND 1A Heat exchanger 2 Flue baffles 3 Tie rods 4A Pumped flow pipe 5A Pumped return pipe 6 Collector hood assembly 7 Combustion chamber 12 Main burner 19 Control box 24 Pressure switch 30...

Page 10: ...f z Polyurethane foam seal 400 lg 1 off z No 8 x 8 lg Pozi pan hd screws 3 off 6 UNPACKING Boiler Pack Contents z The complete boiler z Installation Servicing Instructions z User s Instructions z Hard...

Page 11: ...ptional extension kit for side flue or rear flue outlet Refer to Flue Extension Ducts 1 A maximum of 2 extension ducts plus the standard flue duct may be used together 2 Flue extensions of greater tha...

Page 12: ...he templates into the selected position 3 Ensure squareness by hanging a plumb line as shown 4 Mark onto the wall if required the following a The wall mounting plate screw positions choose one from ea...

Page 13: ...Ensure the boiler sealing ring is fully engaged Ensure the notch aligns with the groove on the outer flue duct This ensures correct alignment of the flue terminal 4 Stick the self adhesive foam strip...

Page 14: ...g plate hooks as shown Do not use the burner controls for lifting 2 Fit the M8 screw washer and rectangular plate to retain the boiler Note Before fully tightening the M8 screw check the boiler alignm...

Page 15: ...n making good the wall faces is not essential as seals are provided at both ends of the flue However both wall faces immediately around the cut hole should be flat make good if necessary For less accu...

Page 16: ...is cut square mark the flue all the way round 4 Insert the cardboard duct ring for support and cut to length 5 Remove cardboard duct ring and remove any burrs 24 FITTING BOILER SEALING RING TO THE FL...

Page 17: ...required then the downward routing pipe brackets and M8 spacer supplied in the Downward Piping Kit should be fitted to the wall mounting plate now 3 Fit the bottom 2 screws to secure the bracket s to...

Page 18: ...he fan 5 Pull the flue extension tube and engage onto the fan elbow and secure with the screw attached to the elbow Note The sealing ring studs will locate in the back panel one way only This will ens...

Page 19: ...ille Boiler Extension tube Not for 100 FF model 33 FITTING THE KIT 1 Remove the cardboard support aid from the flue and place safely to one side 2 Fit the inner flue extension duct onto the inner flue...

Page 20: ...st thermostat must be wired into the mains lead in parallel with the control s to be overridden Refer to Frame 41 3 If a proprietary system is used follow the instructions supplied by the manufacturer...

Page 21: ...ly controlled system set the boiler thermostat to maximum 4 Switchmaster Midi is similar in operation but the wiring differs slightly see the manufacturer s literature LEGEND b blue bk black br brown...

Page 22: ...will be left off for more than a day or so then a frost thermostat should be wired into the system This is usually done at the timer in which case the programme selector switches are set to OFF and al...

Page 23: ...y Remove the pod by pulling it forward to disengage from the keyhole slots b Remove the control box securing screws and swing it down into the servicing position See diagram B 5 Slacken the screw in t...

Page 24: ...d over instructions please complete the appliance log book and leave this with the customer 10 Stress the importance of regular servicing by a CORGI registered installer and that a comprehensive servi...

Page 25: ...the LH bottom rear of the burner and pull the burner downwards to disengage the retention tab Remove the burner to a safe place for inspection and cleaning 2 Remove the control box fixing screw Pull t...

Page 26: ...the tie rods from the combustion chamber 6 Remove the M5 central fixing screw at the rear of the collector hood and remove collector hood fan assembly 7 Check that the fan impeller runs freely Remove...

Page 27: ...in accordance with Initial Lighting Frame 43 Note In order to assist fault finding the control box printed circuit board is fitted with 2 indicator lights which represent the following boiler conditio...

Page 28: ...retaining clips and remove the switch 12 Re assemble in reverse order 57 THERMOSTAT CONTROL THERMISTOR SENSOR LEAD and ON OFF SWITCH REPLACEMENT 58 PILOT BURNER REPLACEMENT 1 Refer to Frame 54 2 Remov...

Page 29: ...that the retention tab is correctly located in the air box slot and reassemble in reverse order 6 Check the burner for cross lighting and flame stability 60 MAIN BURNER AND MAIN BURNER INJECTOR REPLAC...

Page 30: ...tube from the rear of the collector hood 6 Slacken the two M5 nuts on the front tie rods releasing the tie rods from the combustion chamber 7 Remove the M5 central fixing screw at the rear of the coll...

Page 31: ...ss 66 HEAT EXCHANGER REPLACEMENT Note Refer to Frame 5 Boiler assembly Exploded view for illustration of the procedure detailed below 1 Refer to Frame 54 2 Remove the burner air box assembly Refer to...

Page 32: ...e boiler casing correctly fitted Does the pilot light NO YES NO YES Does the spark stop after pilot is lit NO Is there a gas supply to the boiler Is the pilot injector blocked YES Replace gas valve NO...

Page 33: ...tiometer and on off switch 1 111973 23 386 149 Automatic ignition printed circuit board PACTROL PCB 25 B 1 079716 24 385 861 Pressure switch HONEYWELL YAMATAKE C6065 F 1373 2 1 155412 26 308 283 Therm...

Page 34: ...OL BOX Exploded View LEGEND 10 Burner manifold 11 Air box and pilot assembly 12 Main burner 13 Main burner injector 16 Pilot shield 17 Gas control valve 42 Gas service cock LEGEND 19 Control box 21 Th...

Page 35: ...Henrad WH FF Installation 35 SHORT LIST OF PARTS 71 BOILER CASING ASSEMBLY 72 SHORT PARTS LIST...

Page 36: ...P O Box 103 National Ave Kingston upon Hull HU5 4JN Telephone 01482 492 251 Fax 01482 448 858 Registration No London 322 137 These appliances are designed for use with Natural Gas only They have been...

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