7
2.2. DIMENSIONS
Size
Model
Dimensions (mm)
A
H
B
C
ØD1
ØD2
E
N
F
M
G
J
1
500
1076
1058
1032
1143
500
560
1009
12
12
4
14
50
560
560
620
630
630
690
2
710
1256
1058
1212
1325
710
770
1190
16
12
800
800
860
3
900
1455
1164
1412
1550
900
970
1390
16
15
1000
1000
1070
4
1120
1704
1394
1662
1815
1120
1190
1640
20
15
1250
1250
1320
Note
: weight of the particular unit is highly dependent on the in-built THGT motor.
3. INSTALLATION
3.1. PRIOR
The unit shall be installed, operated and serviced by competent and qualifi ed personnel, acting in accordance with all
safety precautions applicable and as required by law, regulations and standards in the country applicable.
THGT-HATCH is a roof unit. It may be installed onto a specifi c base or frame for this unit, or directly on the roof on (re-
quires JBS-HATCH mounting accessory). Consider the following for proper installation / safety:
• The unit is electrically isolated before any work is started.
• The unit’s HATCH cover is closed.
• Ensure suffi cient load capacity or strength to support the unit, wind effects, potential vibration…
• Avoid severe wind or exposure to turbulence, dust, moisture and weather infl uences.
• Surface must be solid, level, fl at and stable. Maximum roof fall shall not surpass 5º.
3.2. INSTALLATION
The unit should be located in position, and assembled with any accessory equipment supplied, on relevant mounting,
safety protection guards when applicable, on a solid level base to avoid any distortion and misalignment. Consider all
necessary weatherproofi ng material or sealant when doing so.
Use the corner holes to affi x the unit to the base/frame on the roof with bolts or studs.
In case ductwork or accessories are to be connected to the intake side of the fan, the lower area of the unit presents a
fl at fl ange provided with all necessary bolts. If fl exible connectors are to be installed, these shall be suitable for high
temperature and must be taught to ensure no disruption to air fl ow or vibrations.
