16 DKDHR
VI.HE.M1.02
Danfoss District Energy
Instructions for installation and use
VX Solo HWS substations
11.0 Domestic hot water cylinder
Domestic hot water
The VX Solo HWS substation is supplied with connection pipes for
domestic hot water cylinder on the secondary side.
(Please note that cylinder control thermostat is to be ordered sepa-
rately, - either type ITC, which can be supplied loose from Danfoss as
an option or any other compatible/applicable thermostat).
Option:
Immersion control thermostat
Danfoss offers an immersion control thermostat type ITC, which must
be ordered separately and then supplied loose with the substation
for mounting and wiring to the terminal box on site.
The thermostat has a 100 mm insertion lengt and is supplied with
a ½” BSP/100 mm pocket.
It has an adjustment range of 0 to 90 °C and has SPDT contacts.
Recommended setting is 60 °C.
Mounting of immersion control thermostat
1) Mount sensor pocket in cylinder.
2) Mount immersion thermostats in immersion pocket.
3) Wire the immersion thermostat cable in the terminal box
according to the wiring diagram on page 11.
Please see also refer to enclosed
Installation Instructions for ITC Immersion Thermostat
DHW operation
When the sensor in the DHW cylinder calls for demand or the DHW
timer calls for demand, DHW operation is activated by the program-
mable room thermostat / DHW time controller TP9000 in connection
with a zone valve /thermal actuator TWA-A.
See operation descriptions on page 13 for further information.
ITC
ITL
ITD
Installation Instructions
ITC, ITL & ITD Immersion Thermostats
Control
Limit
Limit
Control
1
Thermal actuator TWA-A
TP9000
