Alpha-InnoTec Luxtronik Series User Manual

6 We reserve the right to make technical changes | 83055600dUK – Translation of the original instruction manual (HMD 2) | ait-deutschland GmbH
External return ow sensor
The return ow sensor (optional accessory) is functionally-rele-
vant for hydraulic integration of an isolating tank (multifunction
tank .). This has to be installed as follows:
ZUP
TRLext
HUP
1 Separation or multi-functional storage tank
2 Circulation pump in the separation storage
tank (heat pump circuit)
3 Circulation pump from the separation storage
tank (heating circuit)
4 External return sensor (Ø = 6 mm)
ZUP Charging loop, heat pump
HUP Discharging loop, heating circuit
Connect the return ow sensor coming from the isolating tank to
the circuit board of the heating and heat pump regulator.
 Terminal diagram in the operating manual “Hydraulic mod-
ule 2““
Dismantling
DANGER
Danger of fatal injury due to electric current!
Electrical connections may be installed only by qualied
electricians.
Before opening the unit, disconnect the system from the
power supply and secure it from being switched back
on!
Softwareupdate / ‑downgrade
Software updates/downgrades can be carried out via the USB in-
terface on the control unit of the heating and heat pump control-
ler.
1. Expose the USB interface on the control unit.
 Part 1 of the controller manual, program area “Service“, sec-
tion “Basic Information on the operation“
2. Insert a USB stick with the software into the USB interface
and follow the on-screen instructions.
IMPORTANT
Only install updates/downgrades that are cited as “valid
updates” (“Gültiges Updates”) in the screen list.
Dimensional drawings
All dimensions in mm.
1 Fastening holes (Ø 4,3)
2 Cable gland M16 x 1,5
3 Cable gland SW 20
Hot water sensor
The domestic hot water sensor is an optional accessory and only
functionally-relevant for a separate domestic hot water tank. You
may only use domestic hot water sensors which have been ap-
proved by the manufacturer of the heat pump.
IMPORTANT
The domestic hot water tank must be lled before con-
necting the domestic hot water sensor to the heating and
heat pump regulator.
If not already prepared at the factory, mount the domestic hot
water sensor (Ø = 6 mm) on the halfway level of the domestic hot
water tank – and always above the internal heat exchanger of the
domestic hot water tank.
1 Domestic hot water connection
2 Cold water connection
3 Heat exchanger
4 Domestic hot water sensor (Ø = 6 mm)
5 Hot-water tank

Alpha-InnoTec Luxtronik Series Specifications

General

Brand	Alpha-InnoTec
Model	Luxtronik Series
Category	Control Unit
Language	English