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IDEAL imax plus F120, Installation And Servicing, Page: 25 / 40

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Installation & Servicing

INSTALLATION

28 PARAMETER MODE

By pressing the 

mode key once, PARA mode (abbreviation for

parameter) is displayed.  In this mode it is possible to change
the settings of the boiler control module.

DHW Storage Temperature Setpoint  (degC)

Press

Display

Description

P   A   R   A

Press

Display

Parameters accessible to user

MODE

STEP

Lower

Limit

Upper

Limit

Factory

Setting

40

65

60

2.        0     1

STEP

CH and DHW Options

00 = CH & DHW are both off
01 = CH is on, DHW is off
02 = CH is on, DHW is off, System pump runs continuously
11 = CH & DHW are both on
12 = CH & DHW are both on, System pump runs continuously

11

1.         6   0

Maximum CH Flow Temperature Setpoint (degC)

STEP

30

90

80

3.         8   0

Flow Temperature Minimum Design Setpoint (degC)

Press

Display

Description

Parameters accessible to trained installers and service engineers only, after entering service code.

STEP

Lower

Limit

Upper

Limit

Factory

Setting

15

60

20

4.         2    0

see Frame 34 for guidance

Outside Temperature Minimum Design Value (degC)

STEP

-20

10

-10

5.         2    0

see Frame 34 for guidance

Minimum Flow Temperature Blocking Setpoint (degC)

STEP

15

30

25

6.         2    0

see Frame 34 for guidance

Night time Setback Parallel Shift (degC)

STEP

00

40

10

7.         2    0

see Frame 35 for guidance

1st digit - Outside Temperature Correction (degC)

see Frame 34 or 35

STEP

x0

x9

09

8.         0    0

2nd Digit - CH hysteresis (degC)

-5x

5x

CH Pump Overrun Time (minutes)

STEP

05

9.         2    0

3

99

-

-

INST

ALLA

TION

Summary of Contents for imax plus F120

Page 1: ...D When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that...

Page 2: ...3 910 Btu ft3 nett at 15 C and 1013 25 mbar a For l s divide the gross heat input kW by the gross C V of the gas MJ m3 b For ft h3 divide the gross heat input Btu h by the gross C V of the gas Btu ft3...

Page 3: ...g systems Fully pumped systems may be open vented or sealed The range of boilers is NOT suitable for 1 Gravity DHW systems 2 Gravity heating systems 3 Direct domestic hot water supply 4 Single feed in...

Page 4: ...r conditioning If this should occur the appliance MUST be isolated from the gas supply labelled as unsafe until corrective action can be taken Terminal Position Due to the high efficiency of the boile...

Page 5: ...rrent suitability should be confirmed directly with the manufacturer G E Betz Ltd Sentinal Division Foundry Lane Widnes Cheshire WA8 8UD Tel 0151 424 5351 or Fernox Manufacturing Co Ltd Cookson Electr...

Page 6: ...GRAPH 1 WATER PRESSURE LOSS ima 5774 F80 F120 F160 20 C F 80 20 C F 120 11 C F160 11 C F 120 11 C F 80 20 C F 160 1300 1250 1200 1150 1100 1050 1000 950 900 850 800 750 700 650 600 550 500 450 400 350...

Page 7: ...y are on the R H or on the L H side of the boiler see views on the left Flue connection shown on RH side options shown dotted at rear or left Model Modules No off A B Weight Connections ima 5773 The b...

Page 8: ...ING CIRCUIT PRIMARY BOILER CIRCUIT ima 5790 The use of a mixing header means that compensating controls can be used to operate mixing valves on a variable temperature circuit without affecting the wat...

Page 9: ...t 4 The boiler is at the highest point of circulation in the system Systems designed to rise above the boiler flow tappings will automatically require a minimum static head higher than that shown 5 Th...

Page 10: ...alarms may be necessary Expansion vessels used must comply with BS 4814 and must be sized on the basis of the total system volume and initial charge pressure Initial minimum charge pressure should not...

Page 11: ...TC Temperature Sensors 3 to 8 Overheat Thermostats 3 to 8 Burners 2 to 7 Aluminium Heat Exchanger 3 to 8 Sections Condensate Sump Flue Collector Box Boiler Frame Filling Up Elbow Min Depth 100 mm ima...

Page 12: ...connections simply remove the blanking plates from the connection required and attach the flue air connections Seal off the unused connections with the removed blanking plates Note To enable cleaning...

Page 13: ...IN A condensate drain for the boiler should be assembled as shown below This can be built using the parts provided plus other pieces not supplied The parts provided are 40mm plastic pipe All additiona...

Page 14: ...rb the lip seal The flue should be supported in such a way as to not place a load on the flue manifold 14 ELECTRICAL CONNECTIONS Warning This appliance MUST be earthed A mains supply of 230V 50Hz is r...

Page 15: ...hese terminals provide a 24V supply and return to be switched open closed circuit Open circuit enables the night time set back period If no night time set back period is required then a link wire shou...

Page 16: ...e of providing the boiler with the actual stored DHW temperature allowing closer output matching and reduced cycling Use of a tank sensor kit cannot be timer controlled A diverting valve or a separate...

Page 17: ...BROWN BLUE YEL GRE RED YEL GRE ORANGE RED BLUE BLUE GREEN GREEN WHITE RED BLUE BLACK BLUE BLACK BLUE BROWN FILTER GE FITELEC 1 YEL GREEN YEL GREEN YEL GREEN YEL GREEN CVI CONTROL MAIN SUPPLY 230 V 50...

Page 18: ...ate required and the flow temperature required It can communicate directly with the CVI controls of 2 modules The AM 5 board is a supplementary board used with boilers containing more than 2 modules I...

Page 19: ...F O N 1 2 O F F O N The Modular Boiler Drive MBD see Frame 20 for location manages to check a two burner group 2 x 40 80 kW For boilers with outputs greater than 80 kW 1 2 or 3 supplementary AM 5 boa...

Page 20: ...rough a relay powers the 3 way valve thus closing port A and opening port B Simultaneously terminal 16 is energised which through another relay powers the primary system pump If PARA A 2nd digit is se...

Page 21: ...Installed on the Secondary Circuit in Parallel with the Heating Circuit 1 2 4 3 5 76 ST O R E M O D E R ES ET ST EP 16 1718 11 12 13 ima 5783 Flow Return Filter Primary System Pump Mixing header non r...

Page 22: ...n installer once he has entered the service code By pressing the mode key again DATA mode is displayed In this mode it is possible to read information on the operation of the boiler The following mode...

Page 23: ...O R E M O D E R E S E T As above As above it selects parameters data all single test all single it chooses the mode It displays when in DATA mode It stores when in PARA mode it in creases or decreases...

Page 24: ...sing mode S T E P S T O R E M O D E R E S E T it selects parameters data all single test all single it chooses the mod e It displays when in DATA mode It stores when in PARA mode it in creases or decr...

Page 25: ...y 11 1 6 0 Maximum CH Flow Temperature Setpoint degC S T E P 30 90 80 3 8 0 Flow Temperature Minimum Design Setpoint degC Press Display Description Parameters accessible to trained installers and serv...

Page 26: ...P E 2 0 Ignition fan speed of parameter C S T E P F 2 0 2nd Digit DHW type x0 3 way valve normally open to CH system x1 DHW pump x2 3 way valve normally open to DHW tank DO NOT ADJUST 58 DO NOT ADJUST...

Page 27: ...ow temperature NTC1 C Local return temperature NTC2 C Module 4 fan speed set point rpm Module 4 actual fan speed rpm Local flow temperature NTC1 C Local return temperature NTC2 C Module 5 fan speed se...

Page 28: ...emperature NTC2 C Module 6 fan speed set point rrpm xxxx Module 6 actual fan speed rpm xxxx Local flow temperature NTC1 C Local return temperature NTC2 C Module 7 fan speed set point rrpm xxxx Module...

Page 29: ...burner module 3 Test mode low for burner module 3 Test mode off for burner module 4 Test mode high for burner module 4 Test mode low for burner module 4 S T E P A L L S T E P B U R 1 S T E P B U R 2 S...

Page 30: ...nd closing the circuit connected across terminals 5 6 Without the outside sensor connected PARA 3 fixes the boiler set flow temperature If the outside sensor is connected automatic detection then the...

Page 31: ...ws the building temperature to be dropped during periods e g night time The heating curve can be adjusted using the following parameters see also Frames 26 and 28 Parameter 3 Highest set flow temperat...

Page 32: ...ON 4 Fill the condensate trap with water before putting the unit into operation see frame 11 for guidance 5 Check the indication on the pressure gauge sealed system installations If the pressure is l...

Page 33: ...in a safe place for ready reference IMPORTANT Point out to the owner that the boiler must have regular maintenance and cleaning at least annually in order to ensure reliable and efficient operation Re...

Page 34: ...it is checked at regular intervals and serviced as necessary The frequency of servicing will depend upon the installation condition and usage but should be carried out at least annually Caradon Ideal...

Page 35: ...ssed air through the metal fibre side of the burner Do not brush the metal fibre side of the burner If they show any signs of damage they must be replaced 12 Inspect the heat exchanger some aluminium...

Page 36: ...f the silicon tubes to the air pressure switch Measure the signal across the air pressure switch If greater than 53 Pa replace the air pressure switch If less than 53 Pa check the following Check for...

Page 37: ...es are equivalent the code with the lowest first digit prevails in the case that the first digits are equivalent the code with the highest second digit prevails Error Code Description Alarm L1 2 Local...

Page 38: ...ons The NTC and or wiring of the global temperature involved is defective Insufficient or even no circulation of water due to the obstruction of the sections or pump failure ERRORCODESRELATEDTOGLOBALT...

Page 39: ...ir Vent 1 173 029 32 Global Flow Return Sensor T7335D1040 12K 2 173 038 32 Module Temperature Sensor 1 per Section T7335D1040 12K 5 to 8 173 038 1 Module Temperature O H Sensor 1 per Section T7335D104...

Page 40: ...ent in the design and performance of its products The right is therefore reserved to vary specification without notice The Ideal Boilers Technical Training Centre offers a series of first class traini...

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