HWHC2100 v2.53 Operation Manual
CONFIDENTIAL
21 Harbor Park Dr. N, Port Washington, NY 11050 Phone: 516.626.72211 Fax: 516.626.7201
10
Fig.4 Reset
Ratio curve
‘1:1’ with
different
Compensator
parameters.
(Mild Weather
is 55
°
F)
Valve Close
100
140
180
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
Outdoor Temperature (in F)
S
y
s
te
m
W
a
te
r
T
a
rg
e
t
T
e
m
p
e
ra
tu
re
(
in
F
)
C10
Compens=0
Compens=-10
Boost Span
Morning boost time span. The controller boosts heat only with
AUTO
mode in effect.
Range: 0, 30, 60, 90, 120 minutes (0 means no boost) or “Vari-Boost”
(the length of the Boost time depends on
the outdoor temperature - Fig.4).
Fig.5 “Vari
Boost” curve
0
20
40
60
80
100
120
-20
-10
0
10
20
30
40
50
60
Outdoor Temperature (in F)
T
im
e
(
m
in
u
te
s
)
BoostAdvance
The controller adds the ‘BOOST ADVANCE’ value to the previously calculated system target temperature thus
increase heat delivery during the morning boost period.
Range: 0
°
to 30° F with 1° step (0 means no boost). Default value is 0.
