Brivis BX3 Series User Manual

17
9.2 Wiring the Brivis Programmable Thermostat (ADD-ON & FAN ONLY)
The Classic control board does not have provision for “Add-On” cooling or “Fan Only” operation. For “Add-
On” cooling or “Fan Only” operation the unit must be configured.
To facilitate Add-On Cooling or Fan Only operation an additional accessory, ‘ACC LOOM ADD-ON RELAY
CLASSIC’ (Brivis Part No. B063283) must be fitted.
To configure a BX3 or 2PWN unit for “Add-On” cooling refer to Diagram 12.
To configure a BX3, 2PWN, UF3, or DF3 unit for “Fan Only” operation refer to Diagram 12 and omit the “Y”
connection. For more information regarding connection of the Add-On relay refer to the installation
instructions supplied with ‘ACC LOOM ADD-ON RELAY CLASSIC’ (Brivis Part No. B063283).
Diagram 12. BX3 & 2PWN Brivis Ice Add-On Schematic - Typical
Notes:
1. All electrical works to comply with relevant regulations.
2. Requires Brivis programmable Thermostat.
Note: For Brivis ICE Add-On connection to a Brivis Classic heater (CC3, 2PWN, or BX3) an additional relay
‘ACC LOOM ADD-ON RELAY CLASSIC’ (Brivis Part No. B063283) must be fitted.
Contact Brivis Technical Support for information on superseded Brivis Heaters.
Relay Wires
PCB Wires
Field Supplied Wires
To Add-On Cooling Unit
For connection refer to the installation manual
accompanying the Add-On cooling unit.
Heater
Control
Board
0
1
3
4
2
7
6
8
W
R
Relay
B063283
240V
Active
Terminal
Block
Brown
Red
Red
HEATER
Programmable
Thermostat
R
Y
G
W
White
Fan speed terminal block
Common (B)
Low (R)
Medium (W)
High (Br)
Blue
*
For Brivis Classic 2PWN units the ‘Fan speed terminal block’ is inside the fan housing. The RED wire from the heater PCB
extends to the ‘Fan speed terminal block’ with a BROWN wire quick connect fitting. This BROWN wire shall be joined to the
RED wire supplied with ADD-ON relay, i.e. terminal 4.
*

Brivis BX3 Series Specifications

General

Brand	Brivis
Model	BX3 Series
Category	Gas Heater
Language	English