Johnson & Starley 42-451-09, Инструкции по установке, пусконаладке и обслуживанию

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15.5.6 Release the two screws securing Pilot Burner Assembly to the main burner, and remove Pilot Burner
Assembly.
15.5.7 Refitting or replacement is in reverse order.
NOTE: When refitting or replacing Thermocouple, tighten only to FINGER TIGHT + 1 FLAT.
15.6 MULTIFUNCTIONAL CONTROL REMOVAL
15.6.1 Remove the Burner and Controls Assembly as detailed in 15.2
15.6.2 Disconnect the Thermocouple at the Multifunctional Control, avoiding damage to the capillary.
15.6.3 Disconnect the Pilot Feed Pipe from the Multifunctional Control.
15.6.4 Disconnect Multifunctional Control input and output supply feeds.
15.6.5 Refitting or replacement is in reverse order.
NOTE: When refitting or replacing the Multifunctional Control, the ‘O’ ring seal is to be replaced.
15.7 PIEZO UNIT REMOVAL
15.7.1 Disconnect the 2 conductors from Piezo unit.
15.7.2 Release the retaining nut and remove the Piezo unit from its mounting bracket.
15.7.3 Refitting or replacement is in reverse order.
17.8 AIR CIRCULATING FAN, REMOVAL & CLEANING
15.8.1 Ensure that the electrical supply is isolated.
15.8.2 Remove the appliance upper and lower doors, release the securing screw and hinge down the fan
chamber door.
15.8.3 Disconnect the fan flying leads from the Fan Assembly.
15.8.4 Release the Fan Assembly securing screw and withdraw the Fan Assembly from the Heater cabinet,
avoiding damage to the fan blades.
15.8.5 Remove all dust from both the impeller and motor, taking care to not disturb the balance of the fan.
15.8.6 Refitting or replacement is in reverse order.
15.9 ELECTRICAL ASSEMBLY REMOVAL
15.9.1 Ensure that the electrical supply is isolated.
15.9.2 Remove the appliance upper and lower doors, release the securing screw and hinge down the fan
chamber door.
SYSTEM E-T models
15.9.3 Disconnect the following
a. Air circulation fan flying leads from the capacitor,
b. 230V mains ‘ L ’, ‘ N ’ and ‘ E ’ from connection block terminals ‘ 1 ’ and ‘ 2 ’, and Earth Stud
respectively,
c. Thermista-stat connections from connection block terminals ‘ 7 ’ and ‘ 8 ’,
d. Limit Switch from connection block terminals ‘ 13 ’ and ‘ 14 ’,
e. Fan Delay Control from connection block terminals ‘ 18 ’ and ‘ 17 ’,
f. Multifunctional Control from connection block terminals ‘ 16 (N) and ‘ 15 ’ (L),
g. Water heater from connection block terminals ‘ 10 ’ (L) and ‘ 9 ’ (N),
h. Water Pump from connection block terminals ‘ 12 ’ (L) and ‘ 11 ’ (N),
i. Cleanflow from connection block terminals ‘ 19 ’ (24V) and ‘ 20 ’ (0V),
j. Earth lead from the fan chamber floor,
BASIC models
17.9.4 Disconnect the following
a. Air circulation fan flying leads from the Fan assembly,
b. 230V mains ‘ L ’, ‘ N ’ and ‘ E ’ from connection block terminals ‘ 1 ’ and ‘ 2 ’, and Earth Stud
respectively,
c. Room thermostat connections from connection block terminals ‘ 7 ’ and ‘ 8 ’,
d. Limit Switch from connection block terminals ‘ 13 ’ and ‘ 14 ’,
e. Fan Delay Control from connection block terminals ‘ 18 ’ and ‘ 17 ’,
f. Multifunctional Control from connection block terminals ‘
16
’ (N) and ‘
15
’ (L),
g. Water heater from connection block terminals ‘
10
’ (L) and ‘
9
’ (N),
h. Water Pump from connection block terminals ‘
12
’ (L) and ‘
11
’ (N),
i. Cleanflow from connection block terminals ‘ 19 ’ (24V) and ‘ 20 ’ (0V),
j. Earth lead from the fan chamber floor,
BOTH MODEL TYPES
17.9.5 Disconnect the 2 x Spillage switch connections from terminal block terminal ‘
15
’, and the relay
module ‘ COMM ’ terminal.
17.9.6 Release the 2 x screws from the hinged access door and withdraw the Electrical Assembly, releasing
wiring from cable clamps and grommets as required..
17.9.7 Refitting or replacement is in reverse order.