
1. Operating instructions for the user and the qualified installer
1.1 Description of the unit
The AQ pressureless(open) small instantaneous
water heater is a device for heating water for a
shower. Any desired temperature can be set on
the unit. The electrical power is electronically
controlled. The flow is switched on and off by
using the cold water valve.
The unit switches the power on once the flow
volume is sufficient.
The "Power" light (B) indicates the unit is
switched on.
The unit is fitted with a overheating protection
device.
1.2 The essentials - in brief
A Rotary control for temperature
adjustment
B "Power" light
C Shower accessories
2. Installation instructions for the qualified installer
AQ
Type
35E 45E
Design open outlet
Rated pressure 0 MPa (0 bar)
Cold water connection G 1/2"
Electrical connection 1/N/PE ~ 220 .... 240 V
Rated Power (kW) - Rated current (A) kW - A kW - A
220 V 3.5 - 15.9 4.5 - 20.5
230 V 3.8 - 16.5 4.9 - 21.3
240 V 4.2 - 17.5 5.4 - 22.5
35 45
1.6 Technical data (the data on the unit rating plate apply)
3
Warning!
If, during a shower , the water valve is
closed, (such as applying soap to the body), then
valve opened again, high water temperature may
occur, to avoid risk of scalding, stay any from the
shower head discharge zone momentarilly.
1.4 Care and Maintenance
All that is needed for the housing is a damp
cloth. Do not use any abrasive cleaning agents
or agents containing solvents.
Maintenance work may only be
carried out by a qualified installer.
1.5 Hot water capacity
The hot water capacity depends on the power
of the unit, the cold water temperature, and
the flow volume.
1.3 Important information
The unit must not be put under
pressure. The outlet of the unit
is also used as a vent. A periodical scale
removal is essential for the function of
the shower head.
The unit is optionally equipped
with an ELSD (Type AQ..E only)
It is recommended to test the ELSD
one time per month.
How to test:
Switch on the electrical supply. Press the
Test button, the Trip light will go on. Press
the Reset button.
Warning!
If the Trip light activate after reset or if the
light activate during shower, never try to
fix it. Contact your dealer for a check and
repair.
2.1 Technical data
1 Thermostat
2 Cable duct for electrical connection
3 Power light
4 Rotary control for temperature
adjustment
5 Hot water connection for shower hose
6 Cold water connection
7 Lower fixing hole
8 Position for electrical connection
9 Upper fixing hole
10 Connection cable
11 Cover securing screw
12 Depth for mounting screw
13 Rear wall installation
14 Combination filter/seal
15 ELSD (option)
2.2 Regulations and Provisions
- Regulations of the local power supply
company should be observed.
- Regulations of the water supply company
should observed
- Technical data.
- Install the unit flush with the wall.
- Electrical connection to be secure.
The device must be capable of being
isolated from the mains, for example by
fuses, with an isolating distance of at least
3.5 mm, in all poles.
The unit must be earthed (see circuit
diagram). To protect against water
penetration, the cable seal (2) must be used.
2.3 Important note
All the information in these Operating
and Installation Instructions must be
carefully followed. These instructions provide
important details regarding the safety, operation,
installation, and maintenance of the unit.
2.4 Installation location
The shower unit is to be installed in
a closed, frost-free room (disconnected
units are to be stored in a frost-free location,
since there will always be some water left in the
unit) The AQ is to be installed vertically on a wall
(hot water connection downwards).