STIEBEL ELTRON HUV 1, HUV 2, HUV 65, HUV 80 Operating And Installation
Bedienung und installation
operating and installation
utilisation et installation
geBruik en installatie
3-Wege-umschaltventil | 3-Way sWitching valve | soupape d’inversion à 3 voies | drieWeg-omschakelklep
» huv 1
» huv 2
» huv 65
» huv 80
OPERATION
!
!
GENERAL INFORMATION
1. General information
This accessory installation guide is aimed at specialist technicians.
For installing the heat pump or similar items, see the additional
operating and installation instructions.
Please read
Read these instructions carefully before use and keep
them in a safe place. If you pass on the equipment to
another user, give them the instructions as well.
1.1 Explanation of symbols
Symbols in the documentation:
This documentation contains symbols and highlights. These have
the following meanings:
Beware of injury
Indication of possible risk of injury to the technician or
user, and possible damage to the device.
Beware of electrocution
Beware of burns and scalding
Beware of damage
Indicates a potentially dangerous situation which might
occur while installing or operating the device and could
damage the device or cause environmental or financial
harm.
Please read
Read these instructions carefully before use and keep
them in a safe place. If you pass on the equipment to
another user, give them the instructions as well.
2. Safety
2.2 Safety instructions
Observe the following safety instructions and regulations.
Heat pump systems and accessories may only be installed by a
recognised specialised company.
The qualified technician is responsible for observing all applicable
regulations during installation and commissioning.
Only operate the device when it is fully installed with all its safety
equipment.
Beware of electrocution
Switch off the power supply immediately if cables are
damaged. Make sure it is secured against being switched
on again unintentionally.
Beware of electrocution
Make sure all cable entries are fitted with the appropriate protection class.
Beware of burns and scalding
Before working on the system, let the pipes on the relevant section cool down as necessary and reduce the
system pressure to ambient pressure.
Beware of injury
The appliance may be used by children aged 8 and up
and persons with reduced physical, sensory or mental
capabilities or a lack of experience provided that they
are supervised or they have been instructed on how to
use the appliance safely and have understood the resulting risks. Children must never play with the appliance.
Children must never clean the appliance or perform user
maintenance unless they are supervised.
Beware of damage
The 3-way switching valve is designed for use in STIEBEL
ELTRON or Tecalor heat pump systems and may not be
used for applications outside the stated range, particularly in aircraft or other means of transport.
2.1 Proper use
The 3-way switching valve distributes and regulates the flow in
STIEBEL ELTRON or Tecalor heat pump systems. Any different or
extended use is considered improper, especially use with other
media to be heated. Proper use also includes observing the installation instructions. Only use the device for the purpose stated by
the manufacturer and do not make any modifications to it.
This appliance is designed for domestic use. It can be used safely
by untrained persons. The appliance can also be used in a nondomestic environment, e.g. in a small business, as long as it is
used in the same way.
10 | HUV 1/2/65/80
3. Device description
3.1 Overview of models and combination options
Model Order no.
HUV 1 247420
HUV 2 223391
HUV 65 227425
HUV 80 227426
3.2 Scope of delivery
- 3-way switching valve
- Servo drive
- 3 x counter screws G1
- 3 x counter screws G2
The servo drive is delivered already fitted to the 3-way switching
valve.
1
/2” x 1” (HUV 1 only)
3
/4“ x 2“ (HUV 2 only)
OPERATION
HUV 65 | HUV 80
min. X
DEVICE DESCRIPTION
3.3 Function
The 3-way switching valve is controlled using a servo or
lift drive.
Note
As well as the flow direction A – AB and B – AB which
is marked with an arrow on the housing, the opposite
direction AB – A and AB – B is also permitted in STIEBEL
ELTRON or Tecalor heat pump systems.
Flow direction
HUV 1 | HUV 2
A
AB
A
B
B
AB
3.4 Dimensions, distances and connections
3.4.1 3-way switching valves
Dimensions and flanges for HUV 1 | 2
min. Y
min. X
H
D
L
Dimensions and flanges for HUV 65 | 80
min. Y
ENGLISH
B
C26_03_01_0995
A
AB
A
B
B
AB
HUV 1 | HUV 2 only: The servo drive is constantly regulated by a
control system and moves the ball of the 3-way switching valve,
that acts as a restrictor, to the position specified by the actuator
signal. The valve opens by turning clockwise and closes by turning
anticlockwise (factory setting).
HUV 65 | HUV 80 only: The lift drives are regulated by a 3-point
control system and move the closing element, which acts as a
mixer, to the opening position defined by the actuator signal.
C
C26_03_01_0998
HB
D
L
Dimensions HUV 1 HUV 2 HUV 65 HUV 80
L mm84.5 131,5 290 310
H mm46 56 100 110
B mm47.5 71.5 120 130
D DN 25
C mm– – 16 18
K mm– – 130 150
d mm– – 4 x 14 4 x 18
25 mm
(1 inch)
1
/
G1
2
DN 50
50 mm
(2 inches)
G23/
4
DN 65
160 mm
d
DN 80
190 mm
K
C26_03_01_0996
HUV 1/2/65/80 | 11
Distances*
X mm240 240 515 515
Y mm90 90 100 100
* Distances in relation to the centre of the valve
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