Alpha-InnoTec WZS Series User Manual

7
We reserve the right to modify technical specifications without prior notice.
UK830501/200520 © Alpha-InnoTec GmbH
Cooling function
The cooling
f
unction is available only
f
or heat pumps
wit
h
t
h
e model des
ig
nator K
.
I
t is not possible to retrot heat pumps
f
or cooling with
-
o
ut t
h
is
d
esignator.
F
or t
h
e mo
d
e
l
d
esignator, p
l
ease re
-
f
er to the
p
urchase documents. It is also on the ratin
g
p
late attached to the outside o
f
the unit
.
The coolin
g
function is based on the
p
rinci
p
le of
p
as
-
s
ive cooling.
A
n existing low temperature level is mixed
to a temperature above the dew point and trans
f
erred
to the heatin
g
medium b
y
means of a heat exchan
g
er.
The heat pump remains switched o
ff
during cooling; onl
y
the circulating pumps
f
or the heating circuit and the heat
s
ource are
i
n o
p
erat
i
on.
The cooling power depends on the heat source temper
a
-
ture, w
h
ic
h
varies seasona
ll
y.
F
or example, i
f
the ground
s
tored more heat toward the end of the summer, the
c
ooling power o
f
a brine/water pump is reduced.
The e
ff
ectiveness o
f
passive cooling is generally not com
-
p
arable to that of an air conditionin
g
s
y
stem
.
N
OT
IC
E
.
T
he use of the
p
assive coolin
g
function r
e
-
quires oor or wall heating.
THE ROOM THERMOSTAT FOR THE COOLING FUNCTION
The room thermostat is used to switch the cooling
f
un
c
-
t
ion on and off
:
I
C
oolin
g
function on
C
o
olin
g
function of
f
UTILIZATION OF THE COOLING FUNCTION
The heating and heat pump regulation program activates
the cooling
f
unction only i
f
the
f
ollowing conditions are
fullled
:
r
H
eat
p
um
p
mo
d
e
l
must
h
ave inte
g
rate
d
coo
l
in
g
f
unction.
r
Room thermostat for the coolin
g
function must
be
sw
i
tc
h
e
d
o
n
.
r
T
emperature o
f
the heat source must b
e
≥
+5
°
C
.
r
Heat
p
um
p
must not currentl
y
be occu
p
ied with
“heating” or “water heating”
.
If the heat
p
um
p
re
g
ulation
p
ro
g
ram sends the
command “water heatin
g
” to the heat
p
um
p
, the
cooling
f
unction o
f
the heat pump automaticall
y
sto
p
s as
l
on
g
as t
h
e water is
h
eatin
g
.
r
T
he
“
Automatic
”
setting must be selected on the
control element under “O
p
eratin
g
mo
d
e: coo
l
-
ing”.
r
T
he outdoor temperature release set on the con
-
t
r
ol
ele
m
e
n
t
m
ust
be
e
x
ceeded.
O
p
eratin
g
manual of the heatin
g
and heat
p
um
p
regulator.
T
he cooling
f
unction can be used in two variants:
V
a
ri
a
n
t
1
:
M
anual switchin
g
f
rom heatin
g
to coolin
g
o
p
er
a
-
tion (and vice versa). This variant operates at a
p
re-set forward ow tem
p
erature.
O
p
eratin
g
manual of the heatin
g
and heat
p
um
p
regulator.

Alpha-InnoTec WZS Series Specifications

General

Brand	Alpha-InnoTec
Model	WZS Series
Category	Heat Pump
Language	English