291
EN
cod. 3541V620 - Rev. 00 - 05/2021
ALHENA TECH H
1. Operating instructions
1.1 Introduction
Dear Customer,
ALHENA TECH H
is a high-efficiency, low emissions
premix condensing
heat generator with
heat exchanger in s/steel
and incorporated DHW production, using
Natural Gas
(G20),
Lique-
fied Gas
(G30-G31) or
Propane-Air
(G230) and equipped with a microprocessor control system.
The sealed chamber unit is suitable for indoor installation or outdoors in a
partially protected
place
(according to
EN 15502
) with temperatures to -5°C.
A
The boiler is arranged for connection to an external storage tank for hot water (op-
tional). In this manual all the functions relevant to domestic hot water production
are only active with the optional hot water tank connected as indicated in
sec. 2.3
1.2 Control panel
fig. 1- Control panel
Panel legend fig. 1
1
DHW temperature setting decrease
button
2
DHW temperature setting increase but-
ton
3
Heating system temperature setting de-
crease button
4
Heating system temperature setting in-
crease button
5
Display
6
Return button
7
“Winter”, “Summer”, “Unit OFF”, “ECO”,
“COMFORT” mode selection button
8
Eco mode ( )
9
DHW mode
10
Summer/Winter mode
11
Menu / confirm button
12
System pressure
13
Heating mode
14
Burner lit
4
3
6
7
2
1
11
25
°C
45
°C
13
9
1.2
bar
12
10
8
5
14
14
Содержание ALHENA TECH H
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