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Please consult the wiring diagram of
the heat pump for all terminal
assignment options and electrical
connections!
IMPORTANT for source pump
AQUATOP T..R:
For proper cooling, reversible heat
pumps require the use of speed-
controlled source pumps, in order to
cope with the condensation at the
condenser. These are actuated by the
heat pump controller via a 0-10 V or a
PWM signal (pulse width modulation).
Electrical Connection
Schematic Diagram, Terminal Assignment
Factory-wired components:
Other important components that have to be wired in the system:
Description
RVS61 plug position
RVS61 output
N9
Low pressure
K
E9
N10
High pressure
K
E10
N24
Flow monitor consumer
P
EX3
N26
Pressure monitor source
P
EX7
Y22
Process reverse valve Y22
W
QX2
B81
Hot gas temperature sensor 1
f
B81
B21
Flow temperature sensor heat pump
n
B21
B71
Return temperature sensor heat pump
q
B71
B91
Source inlet temperature sensor
r
B91
B92
Source outlet temperature sensor
s
B92
B83
Coolant sensor liquid B83
w
BX5
N1/N2 Control unit AVS37
X30
X30
Description
RVS61 plug position
RVS61 output
N15
Flow monitor source (only needed for water-water HP)
P
EX4
B9
Outside temperature sensor
k
B9
Q8
Speed-controlled source pump
u
UX
Q9
Condenser pump
V
Q9
AQUATOP T..HR
to be wired
wired
AQUATOP T..HR
Source
Consumer
20