Instruction manual
DXA heater
pag
e 2
Foreword
This installation and user
manual
is intended mainly for the gas, oil and electrical fitter. It also
provides instructions for the user and for the
maintenance of the air heater. To use this air
heater in a safe and effective way, it is strictly essential that this manual is used correctly.
Contents:
Pag
e
1
ABOUT THIS MANUAL
3
1.1
G
UARANTY
3
2
SAFETY INSTRUCTIONS AND PRECAUTIONS
3
2.1
K
EY TO SY
MBOLS
3
2.2
S
YMBOLS ON THE APPLIANCE
3
2.3
W
ARNINGS
3
2.4
P
RE
-
CHECK
. 4
2.5
S
AFETY PRECAUTIONS
4
2.6
W
ATER AND CHEMICAL SU
BSTANCES
5
2.7
U
SE IN A GREENHOUSE
5
2.8
U
SE IN A POULTRY SHED
5
3 INTRODUCTION DXA HEA
TER
5
4
INSTALLATION
6
4.1
M
OUNTING THE HEATER
6
4.2
G
AS CONNECTION
6
4.3
E
LECTRICITY SUPPLY
7
4.4
I
NTERFACE
U
NIT
; 8
4.5
C
HECKS BEFORE TAKEN I
NTO OPERATION
8
5
FUNCTION OF THE HEAT
ER
9
5.1
F
UNCTION BUTTON ON TH
E HEATER
9
5.2
H
EAT DEMAND
9
5.3
DELAYED START 9
5.4
V
ENTILATION
10
5.5
T
EMPERATURE LIMITER
10
5.6
A
IR TRANSPORT,
VANE SWITCH
10
5.7
M
INIMUM GAS PRESSURE
SWITCH 10
5.8
D
ESCRIPTION HEATER CO
NTROL
HC
10
5.9
G
AS CIRCUIT
11
5.10
M
EASURING AND ADJUSTI
NG THE BURNER PRESSU
RE
11
5.11
M
EASURING COMBUSTION
VALUES
12
6
MAINTAINING THE HEAT
ER
12
6.1
G
ENERAL MA
INTENANCE
13
6.2
E
XTENSIVE MAINTENANCE
IN A POULTRY SHED
13
6.3
C
LEANING THE BURNER U
NIT
13
6.4
C
HANGING GAS TYPE
14
6.5
S
PARE
P
ARTS
14
7
PROBLEM SOLVING
15
7.1
G
ENERAL
15
7.2
E
RROR CODES
15
8
WIRING DIAGRAM
17
9
SPECIFICATIONS
19
9.1
DXA H
EATER
75
19
9.2
DXA H
EATER
100
20
9.3
DXA H
EATER
120
21
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