25
GTV
FORCED CONVECTION AIR HEATERS
Instructions for Installation and Servicing
22. picture: Possible regulation mode controlled by AHP-3-type thermostat
Applicable regulatory options according to regulation ECO DESIGN EU2016/426 3-point,
modulation: GTV-20...78 kW
Regulation possibilities
23. picture: Possible regulation mode controlled by AHP-MOD-type thermostat
The appliance operates either using of inside air or outside air respectively inside-outside mixed air,which can be sucked in through of
located air duct system�
If the appliance uses indoor air than need replace the air by ventilation�
6.
Appliance specification
Ventilation
This type of control is the so-called PILOT control, at which the communication between the programme clock and warm air blower is
solved by just one wire namely by „control cable”� The automatic burner control located in the appliance receives and processes the
transmitted control signals from the temperature regulator – transmitted by the mentioned control cable – and as a function of these
signals starts the requested programme�
AHP – 3
L N L1 N1 L2
1 2
1 2
L2
N
L1
L
PE
N
PE
L1
L2
GTV 1
...
L2
N
L1
L
PE
GTV x
2A
L3
AHP – MOD
L N L1 N1 S1
1 2
1 2
PE
2A
S1
N
L1
L
PE
N
PE
L1
L2
GTV 1
...
S1
N
L1
L
PE
GTV x
L3
