Heatrae Sadia FBM series Fitting Instructions And User Manual Download Page 6

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The cable entry is suitable for flexible cable or conduit connection and is
located on the left hand side of the terminal cover. Remove the terminal cover
by removing the fixing screws.

Flexible cable: Strip the outer sheath and insulation of the cable to the
required lengths ensuring that the outer sheath will be held in the cable grip
when the connections are made.

Conduit: The cable entry hole has a diameter of 20mm to accept standard
20mm conduit.
The conductors should be connected as follows (see Fig. 2 or 3).

Live (coloured Brown or Red) to THERMOSTAT termination marked L.
Neutral (coloured Blue or Black) to ELEMENT termination marked N.

Earth (coloured Green/Yellow or Green) to EARTH POST marked 

  .

If Twin and Earth cable is used the bare Earth conductor must be sleeved.

Ensure all electrical connections are tight. If using flexible cable secure by
clamping the outer sheath in the cable grip and tightening cable grip top bar.
Replace the terminal cover ensuring the shakeproof washers are in position
under the head of the fixing screws.

ELEMENT
3kW  AT 240V

EARTH POST

THERMOSTAT

THERMAL 
CUTOUT

ELEMENT
3kW  AT 240V

THERMOSTAT

THERMAL 
CUTOUT

L

N

230/240V ac SUPPLY
VIA DOUBLE POLE 
ISOLATING SWITCH

N.B. DO NOT LINK ELEMENTS 
        EACH ELEMENT HAS SEPARATE 
       THERMOSTAT AND THERMAL CUT-OUT.

Fig 3. Schematic wiring Diagram 6kW units

Summary of Contents for FBM series

Page 1: ...1 FBM RANGE Fitting Instructions and User Guide...

Page 2: ...able of supporting the full weight of the water heater see chart Mount the water heater as higher as possible the top of the water heater must be at least 1 2 m 4 feet above the highest draw off point...

Page 3: ...lts mark top two fixing positions Remove heater drill and plug these positions Replace heater onto bottom fixing bolts secure by screwing in top fixing bolts Tighten bottom fixing bolts FBM25 19 59 68...

Page 4: ...valve body and cistern wall secure by tightening backnut on outside of heater The Overflow fitting can also be mounted on the left or right by drilling the appropriate position as for the Float valve...

Page 5: ...at such that the Float Valve closes when the water level in the cistern corresponds with the marked water level line After adjustment replace the cistern cover and secure using the cover screw s provi...

Page 6: ...nation marked L Neutral coloured Blue or Black to ELEMENT termination marked N Earth coloured Green Yellow or Green to EARTH POST marked If Twin and Earth cable is used the bare Earth conductor must b...

Page 7: ...Over temperature Cut out is adjustable and should be set approx 15 C above the control thermostat setting The maximum Over temperature Cut out setting should be 85 C The 6kW units have two fixed temp...

Page 8: ...d for the storage of category 1 or 2 water It has not been tampered with or been subjected to misuse or neglect Within 60 days of installation the user completes and returns the certificate supplied a...

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