Bradford-White Corp BWCV Manual De Usuario

Internet Version for Reference Only

Page 18

Copper Brute II

Page 19

Improper field wiring may result in fire or explosion 

which can cause property damage, severe injury, 

or death. Make only wiring connections which are 

in accordance with the Installation and Operation 

manual.

Un câblage incorrect lors de l’installation peut 

causer un incendie ou une explosion pouvant 

entraîner des dommages matériels, de graves 

blessures ou la mort. Ne faire seulement que les 

connexions conformes au Manuel d’installation et 

d’exploitation.

The wiring methods in this section must be 

used to connect an external staging control, such as a 

multiple heater control, building automation system, 

energy management system, etc.)  Other wiring 

methods may be unsafe.

Figure 9 shows how to wire the external 

controller to the heater’s field wiring panel, which is 

located on the right side of the heater.

Other Field Interlocks: To install other field-

wired devices to interlock with the 

heater 

(louver 

switches, flow switches, etc.), remove the jumper 

between the “COM” and “NO” terminals and wire the 

device in series across these terminals. (See Section 

5.3 for important information about external staging 

controls and building automation systems.)

System Heat Demand: Remove the jumper 

across the “COM D” and “Ht D” terminals, and 

connect the zone pump or valve end switch, 

thermostat, aquastat, or other indication of system heat 

demand to these terminals. If no indication of a system 

heat demand will be provided, the jumper must remain 

in place. When jumpered, the temperature control 

will always see a heat demand, and the Copper Brute 

II pump (if equipped) or any pump with its contactor 

connected to the “PMP” and “PMP” terminals will 

run continuously. In addition, any device connected 

through the “HT OUT” and “LWCO GND” terminals 

for an external indication of the heat demand will 

run continuously. See section 6 for more information 

on the system heat demand for various modes of 

operation.

Refer to Figures 23 through 25 for field wiring of 

additional components.