Hydraulic Connection With On-Site Pipework; Hydraulic Connection With Ac-Box Connection Accessories - Viessmann AC-Box Installation And Service Instructions For Contractors

Hydraulic connection with on-site pipework

If the AC-Box cannot be installed immediately to the
left of the heat pump:
1. Install the AC-Box near the heat pump.

Hydraulic connection with AC-Box connection accessories

The AC-Box connection accessories comprise 4 ther-
mally insulated connecting pipes, each with 1 air vent
valve and gaskets.
1 0
Fig.2
AC-Box
A
B Primary circuit connection line: AC-Box brine inlet
Primary circuit connection line: AC-Box brine outlet
C
Primary circuit flow: AC-Box brine outlet
D
Primary circuit return: AC-Box brine inlet
E
Flow, heating/cooling circuit or separate cooling
F
circuit
Return, heating/cooling circuit or separate cooling
G
circuit
Secondary circuit connection line: AC-Box heating
H
water outlet
2. Connect on-site connection lines so that they are
free of load and torque stress.
Secondary circuit connection line: AC-Box heating
K
water inlet
L Secondary circuit connection line: Heat pump
heating water inlet
DHW cylinder flow
M
Secondary circuit connection line: Heat pump
N
heating water outlet
Primary circuit connection line: Heat pump brine
P
inlet
Preparing for installation
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