YORK INTERNATIONAL
48
NOTE:
The micro controls loading and unloading on a
10 STEP scale regardless of the number of
stages present. Therefore, loading and unload-
ing responses on 5 Step (standard) chillers may
appear delayed (time between stages in-
creased) when missing steps are activated or
deactivated by the micro.
NOTE:
1. The Lead Comp + 2 Steps, Lag Comp Off
Step is skipped on a temperature drop.
2. The micro controls loading and unloading
on a 10 STEP scale regardless of the num-
ber of stages present. Therefore, loading
and unloading responses on 7 Step (op-
tional) chillers may appear delayed (time
between stages increased) when missing
steps are activated or deactivated by the
micro.
5 STEP (STANDARD)
FIG. 16
7 STEP LOADING / UNLOADING (RETURN WATER CONTROL)
FIG. 15
5 STEP LOADING / UNLOADING (RETURN WATER CONTROL)
7 STEP (OPTIONAL)
LD02002
LD02003