Setting The Heating Demand - Navien LCB700-21RS Installation & Operation Manual

9.3 Setting the Heating Demand

Set the heating demand on the DIW switch. To use the DHW
tank, control the panel for DHW settings.
9.3.1 CH Demand Setting
The DIP SW on the circuit board that configures source of the
heat demand is listed in the following table.
Switch2 Function
Switched Live
CH thermostat
Navien Thermostat 6-OFF, 7-ON, 8-OFF
OT RC
CH Heat
6 & 7 & 8
Demand
Not used
Not used
Not used
Not used
9.3.2 DHW Tank Demand Setting (System/
Regular)
You can set the DHW tank demand on the 4-3 DHW Call Signal
menu.
Item
4-1 DHW
Aquastat
Thermostat
4-2 Wiring When VCU-10R (wiring centre) is connected
Centre to the boiler
The 4-2 Wiring Centre menu is displayed only when
Note
the CH heat demand is set to Navien Thermostat
and the wiring centre (VCU-10R) is connected to the
boiler.
Setting
6-OFF, 7-OFF, 8-OFF
6-ON, 7-OFF, 8-OFF
6-ON, 7-ON, 8-OFF
6-OFF, 7-OFF, 8-ON
6-ON, 7-OFF, 8-ON
6-OFF, 7-ON, 8-ON
6-ON, 7-ON, 8-ON
Description
Connecting Electrical Supplies 43