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Technical
information
Ventilation
Example 1
Example 2
Room
Bathroom
Room
Kitchen
Volume
2.0 x 2.0 x 2.0 = 8m
3
Volume
2.8 x 2.8 x 2.8 = 22m
3
Number of air changes
required
3
Number of air
changes required
10
Performance
8 x 3 = 24m
3
/h
Performance
22 x 10 = 220m
3
/h
Fan required
GFAN4 = 93m
3
/h
Fan required
GFAN6 = 250m
3
/h
Stale air is also removed by installing the appropriate GET fan. In certain circumstances, such as in toilets, a timer is incorporated to provide
an automatic turn-on period of up to 25 minutes as stipulated in The Building Regulations.
Recommended minimum number of air changes in certain environments
Environment
Changes per hour Environment
Changes per hour Environment
Changes per hour
Bathrooms and
shower rooms
3
Halls and landings
3
Shops
8
Bedrooms
2
Hospital rooms
4
Sports facilities
6
Cafés
10
Kitchens (domestic)
10
Store rooms
3
Canteens
8
Laundries and
launderettes
10
Toilets (domestic)
3
Cellars
3
Living and other
domestic rooms
3
Toilets (public)
10
Changing rooms with
showers
15
Meeting rooms
4
Utility rooms
15
Conference rooms
8
Offices
6
Workshops
6
Garages
6
Restaurants & bars
6
Hairdressing salons
10
School rooms
2
Standard 4”
100mm
Standard 4”
100mm
slimline
Premium
4” 100mm
slimline
4” 100mm
panel
Premium 6”
150mm
Voltage Supply
220 - 240V 50Hz 230V - 50Hz
220 - 240V 50Hz 220 - 240V 50Hz 220 - 240V 50Hz
Power
20W Max
26W Max
16W
16W
26W
Timer Control (where applicable)
3 - 25 mins
3 - 25 mins
1 - 25 mins
1 - 25 mins
1 - 25 mins
Humidistat Timer Control (where applicable) 3 - 50 mins
1 - 50 mins
1 - 25 mins
1 - 25 mins
1 - 25 mins
Extract Capacity
93
3
/hr max
250
3
/hr max
129
3
/hr
115
3
/hr
295
3
/hr
Humidity Adjustment
50 - 60% 50 - 90% 60 - 90% 60 - 90% 60 - 90%
Noise Level
45dB
35dB
37dB
36dB
39dB
IP Rating
IPX4
IPX4
IP24
IP24
IP24
Max. Room Temperature
40°C
40°C
45°C
45°C
45°C
Double Insulated
yes
yes
yes
yes
yes
Fitted with Fused Thermal Protection
yes
yes
yes
yes
yes
155mm
12mm
Ø 100mm
155mm
30mm
112mm
Ø 150.6mm
212mm
Standard 4” (100mm)
Standard 6” (150mm)
Standard 4” (100mm) slimline
Dimensions
Part number
A
B
C
D
GPGPTFAN4TB
Designer Range
126
32
100
170
GSPTFAN4T
Premium Range
126
30
100
150
GSPTFAN4LT
Aluminium Panel
126
30
100
150
D
B
C
A