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4.  ELECTRICAL CONNECTIONS 

4.1  Connecting Slave Heaters to Master Heaters 

WARNING- 

 

400v ac may be present in the terminal boxes due to supplies being taken from different phases. 

 

Please make sure you have read the Safety instructions and that you are a suitably qualified electrician before continuing. 
Drawings show connections inside the 2 Terminal boxes on the top of the Slave heaters. 

Do NOT use power tools to undo or do up terminal screws.

 

Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes. 

Cable Sizes 

Mains Cable - Use 1.5mm² 3 Core Mains Cable (see note above). 

 

 

Additional Slave heaters beyond 5 may be connected  

Slave Link Cable- Use 1.0mm² 4 Core Cable.

 

 

Summary of Contents for SMH-R30S

Page 1: ...boxes due to supplies being taken from different phases 1 2 GENERAL SAFETY INSTRUCTIONS Remove all packaging and store it away from children check the package and heater for visible damage or tampering Familiarise yourself with the applications and limitations of the heater Ensure the heater is in good order and condition both physically and electrically before use If in any doubt do not use the u...

Page 2: ... easy neat wiring Remember to leave plenty of clearance to allow the inner heater assembly to be inserted inside the main case after installation Using the drawing above mark out the holes required to secure the heater case to the ceiling Use the 4 x keyhole slots and an additional 2 holes once installed to lock the heater in place These addition 2 holes must be used to stop the possibility of the...

Page 3: ...electrician before continuing Drawings show connections inside the 2 Terminal boxes on the top of the Slave heaters Do NOT use power tools to undo or do up terminal screws Please Note Specified cable sizes are for typical installations correction factors may need to be used when determining actual cable sizes Cable Sizes Mains Cable Use 1 5mm 3 Core Mains Cable see note above Additional Slave heat...

Page 4: ...er fails to operate or the safety cut out operates again turn off the heater and contact a qualified electrician NOTE It is our policy to continually improve products and as such we reserve the right to alter data specifications and component parts without prior notice IMPORTANT No liability is accepted for incorrect use of this product WARRANTY Your BN Thermic product is guaranteed for one year f...

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