© Danfoss A/S (Dept./Init.), 2014-05
VIILD102
3
Installation
The hot water heater should stand on a solid surface and be levelled with assistance from the setscrews underneath the tank.
The tank models that come without setscrews can be levelled with assistance of a shim. This must be done before the tank is
connected to the pipes and filled with water. Connections not in use must be plugged appropriately. During water filling, con-
densed water may emerge on the outside of the tank. This will result in water underneath the tank, on the floor. This will cease
when the tank is heated. There must be a floor drain in the same room.
All connections (including those not used) must be insulated to minimize idle losses.
Commissioning
Start by filling the tank, then pressurize it. Continue to fill the radiator system (the enclosed water). The working pressure may
not exceed 3 bar (gauge), a safety valve with a releasing pressure of 3 bar must always be installed.
Maintenance
Check the safety valve annually by manually opening and closing the valve handle and making sure that water is released.
Check annually all connections for eventual leakage (also peripheral installations, i.e. a heat pump, etc.).
Technical data
WT-C
500
750
Corrosion protection, coil
copper
copper
Volume, hot water heater
litre
500
750
Volume, coil
litre
4x3,5
6x3,5
Length, coil
m
4x12
6x12
Max. pressure, hot water heater
bar/MPa
3
3
Max. pressure, coil
bar/MPa
10
10
Max. immersion heater length
mm
670
850
Height (incl. feet)
mm
1730
1830
Net weight
kg
142
157
Immersion heater max. output
kW
9
2x9