Fläkt Woods
8217 GB 2014.07.02 5
Specifications are subject to alteration without notice
TopMaster Air Handling unit
CONTROL AND REGULATION EQUIPMENT
Sensors and accessories
Temperature sensors
The TopMaster is equipped as standard with three factory-
mounted temperature sensors:
Supply air sensor GT1
Positioned at the supply air inlet connection spigot.
Outdoor air sensor GT3
Positioned at the outdoor air inlet spigot.
Extract air sensor GT12
Positioned at the extract air inlet connection spigot.
Other sensors:
Room temperature sensor GT2
Included when room control is selected, and then repla-
ces extract air sensor GT12.
It is intended for placement
on an inner wall. The sensor should be placed in an
area with good air circulation and it should not be ex-
posed to direct sunlight. It is delivered loose without
any cable.
Freeze-protection sensor GT5
Included as standard when the unit is equipped with
heat water coil.
To be mounted on the heater’s return
line.
Note! If a cooling coil is mounted in
the duct, the supply air sensor must
be moved from the unit into the duct,
and placed after the coil.
Filter monitors (accessories)
The filter monitors GP1 and GP2 are enclosed separately.
Connect hose to test point. Set the required alarm limit
across the filter using the knob on the sensor. For installa-
tion, see enclosed instruction.
Air flow monitors (accessories)
The air flow monitors GP1 and GP2 are enclosed sepa-
rately. For installation, see enclosed instruction. Connect
hose to test point. Air flow monitors cannot be combined
with filter monitors.
Damper with actuator (accessory)
2 positions with spring return, 15 Nm, 24 VAC.
Damper with mounted actuator is delivered separately.
Timer, prolonged, forced mode
Any timers are enclosed separately. When the push but-
ton is used the internal timer in the controller must be set
to the required time.
Function of control inputs Timer 1 (T1) and Timer 2
(T2) can be selected according to the following table.
Timer Function 1
Timer 1
Timer 2
Manual/Automatic Mode
0
0
Trickle
1
0
Normal
0
1
Boost
1
1
Timer Function 2 (default)
Timer 1
Timer 2
Manual/Automatic Mode
0
0
Trickle
1
0
Boost
0
1
Stop
1
1
Timer Function 3
Timer 1
Timer 2
Manual/Automatic Mode
0
0
Normal
1
0
Boost
0
1
Stop
1
1
Timer Function 4
Timer 1
Timer 2
Stop
0
0
Manual/Automatic Mode
1
0
Stop
0
1
Boost
1
1
Timer Function 5
Timer 1
Timer 2
Stop
0
0
Manual/Automatic Mode
1
0
Stop
0 1
Normal
1
1