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HRS Hevac Ltd AquaModule AMB
Installation, Operating & Instruction Manual
3.4 Installation
of
an
Aqua
0RGXOH66 '6
Indirect (Semi-Instantaneous) unit
V
Recycling flow rate PR must be < 60% PC flow rate.
Protect the storage tank by installing the added safety valve. Pressure gage=tank MAX working
pressure and can be different from tap water module’s safety valve pressure gauge. The safety
vaIve protects the storage vessel and not the tap water system.
Secondary charging pumps have the following limitations as per water quality:
pH 6 to 9 and TH<25 French degrees (25°TH) or 14 German degrees (14°dH).
Picture 7
REP
DESIGNATION
REP
DESIGNATION
A
Primary inlet
HE
Heat Exchanger (PHE)
B
Primary Outlet
PP
Primary pump (single/double)
VR
Setting valve
PC
Charging Pump (1 or 2)
CW
Cold water inlet
PR
Recycling pump (on installation)
V3V
Mixing 3 port control valve with actuator
V
Manual gate valve
PRV
Pressure relief valve
S1
DHW temperature sensor (master)