INSTRUCTION MANUAL
UNIT AIR HEATER
TYPE WWH-EC; WWH-LT
Version
EN 402f
THIS DOCUMENTATION MUST ABSOLUTELY BE READ BEFORE STARTING THE INSTALLATION
.
INSTRUCT USER AND LEAVE THIS DOCUMENT WITH HEATER FOR REFERENCE.
Content
1
GENERAL
2
1.1
D
ESCRIPTION
2
1.2
F
UNCTION
2
1.3
M
ATCHING CAPACITY HOT WATER BOILER AND
WWH
2
1.4
G
UARANTEE
2
2
TECHNICAL FEATURE
3
2.1
T
ABLE WITH DATA
3
2.2
U
SER
’
S RESTRICTIONS
5
2.3
P
RE
-
CHECK
5
3
INSTALLATION
5
3.1
S
USPENSION
5
3.2
W
ATER CONNECTIONS
7
4
ELECTRICAL CONNECTION
8
4.1
230V
AC SUPPLY
8
4.2
G
ENERAL FUNCTIONING OF THE UNIT
8
4.3
C
ONNECTING OPTIONS
8
4.4
C
ONTROL WITH ZONE VALVE
12
5
MAINTENANCE AND OPERATION
13
5.1
M
AINTENANCE
13
5.2
S
AFE OPERATION
13
5.3
F
ROST DAMAGE
13
6
WATER TEMPERATURES/ AIR VOLUMES
14
6.1
WWH-EC
CAPACITIES AT SEVERAL WATER TEMPERATURES
14
6.2
WWH-LT
CAPACITIES AT SEVERAL WATER TEMPERATURES
14
6.3
E
XAMPLE
14
