Part
1. Overview
20
Design Guide
DCM014A51
c. The setpoints can be different in each indoor unit within the changeover group.
The demand is calculated based on the setpoints in comparison to room
temperature for each indoor unit. The demand within the Primary Changeover
deadband (PCd) is considered as
no demand
.
d. A good method for Heat Pump systems (or multiple units on the same port of
the BS Box in Heat Recovery system) as a pseudo-simultaneous cooling and
heating operation.
e. A weight (0-3) can be added to each indoor unit demand in the changeover
group. The default is 1.
f. An option for heating override can be applied if there is an indoor unit which
the heating demand exceeds [H_SP- (PCd + SCd)].
Figure 17. Vote Method