
Use 1.5mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 6 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater control box
between terminals 1,2,3,4 or 5.
Thank you for purchasing a BNThermic product. Manufactured to a high standard, this product will, if used according to these instructions and
properly maintained, give you years of trouble free performance. Please ensure instructions remain with your customer for their reference.
Please ensure you follow the correct wiring diagram for the heater you are connecting the CS-7 controller too.
Incorrect installation may damage the heater and is not covered by the guarantee.
Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes.
The model number of the heater can be found on the silver label attached to the heater close to the mains cable electrical connection box.
1. Heater Model – 830
Model- 830 + CS-7
Model- 830 + CS-7 + Thermostat
2. Heater Model – 830T
Model- 830T + CS-7
Use 1.5mm² 3 Core Mains Cable (see note above).
Use 1.5mm² 6 Core Cable to connect the heater to the CS-7 Controller (see note above).
Use 1.5mm² 4 Core Cable to connect the CS-7 Controller to Thermostat (see note above).
Remove any links that may be present in heater control box between terminals 1,2,3,4 or 5.
INSTRUCTIONS FOR:-
HEATER CONTROLLER
Model:- CS-7
IMPORTANT: PLEASE READ THESE INSTRUCTIONS IN CONJUNCTION WITH THE HEATER INSTRUCTIONS, NOTE
THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS, AND CAUTIONS. USE THIS PRODUCT CORRECTLY, AND
WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY.
Use 1.5mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 5 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater control box
between terminals 1,2,3,4 or 5.

Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes.
3. Heater Model – 860
Model- 860 or RH60 + CS-7
Model- 860 or RH60 + CS-7 + Thermostat
4. Heater Model – 860T
Model- 860T + CS-7
5. Heater Model – SCHG-30T / SCHG-45T + SMH-30T / SMH-45T Series
Model – SCHG-30T / 45T +CS-7
SMH-30T / SMH45T
Use 4mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 5 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater control box
between terminals 1,2,3,4 or 5.
Use 2.5mm² 3 Core Mains Cable (SCHG45 or SMH-45T) or 1.5mm² 3 Core Mains
Cable (SCHG-30T or SMH-30T) (see
note above).
Use 2.5mm² 6 Core Cable (SCHG-45T or
SMH-45T) or 1.5mm² 6 Core Cable
(SCHG-30T or SMH-30T) to connect the
heater to the CS-7 Controller (see note
above).
Remove any links that may be
present in heater control box between
terminals 1,2,3,4 or 5. DO NOT REMOVE
LINK IN POWER SUPPLY BOX
Use 4mm² 3 Core Mains Cable (see note above). Use 1.5mm² 6 Core Cable to connect the heater to the CS-7 Controller (see note above).
Use 1.5mm² 4 Core Cable to connect the CS-7 Controller to Thermostat (see note above).
Remove any links that may be present in heater control box between terminals 1,2,3,4 or 5.
Use 4mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 6 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater control box
between terminals 1,2,3,4 or 5.

Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes.
6. Heater Model – RH20 / RH30 Series
Model- RH20 / RH30 + CS-7
Model- RH20 / RH30 + CS-7 + Thermostat
7. Heater Model – SCHG-60 or SMH-60
Model- SCHG-60 or SMH-60 + CS-7
Model- SCHG-60 or SMH-60 + CS-7 + Thermostat
Use 4mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 5 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater control box
between terminals 1,2,3,4 or 5.
Use 4mm² 3 Core Mains Cable (see note above). Use 1.5mm² 6 Core Cable to connect the heater to the CS-7 Controller (see note above).
Use 1.5mm² 4 Core Cable to connect the CS-7 Controller to Thermostat (see note above).
Remove any links that may be present in heater control box between terminals 1,2,3,4 or 5.
Use 1.5mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 5 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater terminal box
between terminals 1,2,3,4 or 5.
Use 1.5mm² 3 Core Mains Cable (see note above). Use 1.5mm² 6 Core Cable to connect the heater to the CS-7 Controller (see note above).
Use 1.5mm² 4 Core Cable to connect the CS-7 Controller to Thermostat (see note above).
Remove any links that may be present in heater terminal box between terminals 1,2,3,4 or 5.

BN Thermic Ltd,
34 Stephenson Way,
Crawley, RH10 1TN
Tel: +44 (0) 1293 547361
Web: www.bnthermic.co.uk
Please Note:- Specified cable sizes are for typical installations, correction factors may need to be used when determining actual cable sizes.
8. Heater Model – SCHG-30 / 45 or SMH-30 / 45
Model- SCHG-+ CS-730/45 or SMH-30/45
Model- SCHG-30/45 or SMH-30/45 + CS-7 + Thermostat
9. Heater Model – SCHG-30E
Model- SCHG-30E + CS-7
PLEASE CHECK ALL CONNECTIONS BEFORE TURNING ON AS INCORRECT WIRING IS NOT COVERED BY THE GUARANTEE
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 from date of purchase. We will
repair or replace at our discretion any part found to be defective. We cannot assume any consequential
liability. This guarantee in no way prejudices your rights under common law and is offered as an
addition to consumer liability rights.
CS-7INS-v01.1
Use 2.5mm² 3 Core Mains Cable (SCHG-45 or
SMH-45) or 1.5mm² 3 Core Mains Cable (SCHG30 or SMH-30) (see note above).
Use 2.5mm² 5 Core Cable (SCHG-45 or SMH-45)
or 1.5mm² 5 Core Cable (SCHG-30 or SMH-30) to
connect the heater to the CS-7 Controller (see
note above).
Remove any links that may be present in
heater terminal box between terminals 1,2,3,4 or 5.
Use 1.5mm² 3 Core Mains Cable (see
note above).
Use 1.5mm² 6 Core Cable to connect
the heater to the CS-7 Controller (see
note above).
Remove any links that may
be present in heater control box
between terminals 1,2,3,4 or 5.
Use 2.5mm² 3 Core Mains Cable (SCHG-45 or SMH-45) or 1.5mm² 3 Core Mains Cable (SCHG-30 or SMH-30) (see note above).
Use 2.5mm² 6 Core Cable (SCHG-45 or SMH-45) or 1.5mm² 6 Core Cable (SCHG-30 or SMH-30) to connect the heater to the CS-7 Controller (see note above).
Use 2.5mm² 6 Core Cable (SCHG-45 or SMH-45) or 1.5mm² 6 Core Cable (SCHG-30 or SMH-30) to connect the CS-7 Controller to Thermostat (see note above).
Remove any links that may be present in heater terminal box between terminals 1,2,3,4 or 5.