90
VIDEO DOOR ENTRY SYSTEM -
INSTALLATION RULES
D45
table 1
*N: in this condition (EPs quantity), the riser system power
supply cannot provide current to this kind of handset, an
additional power supply must be used .
*1: 2 small EP and 1 EP can work at the same time with
handsets connected to the same power supply
*2: 1 small EP and 1 EP can work at the same time with
handsets connected to the same power supply
The information of table is 5 based on below condition
1 . 50 m cable from Floor shunt to handset and 5m cable
between floors .
2 . 0 .5 m cable between Floor shunt and Floor shunt in same
floor for the projects with more than one floor shunt on
each floor .
3 . Between Power supply and 1st Floor shunt or riser shunt,
for the connection use 2 wire cables .
4 . Type of door lock release for EP is DC12 V/1 A ., release
time 100 ms or less . The door lock does not need power
during .
5 . When using an entrance panel video mixer in the riser
(more than one EP in the riser), the distance between
entrance panel video mixer and riser shunt is 0 .5 m .
6 . The data listed in above table are the requirements
based on 4 apartments per floor . For example: if riser
use type of handset, and there is only one EP without
a/C, then we could found that this system power supply
can afford other 40 handsets except EP and riser shunt
according to above table . But these 40 handsets need
to be arranged as 4 apartments per floor . if the height
of each floor is 5 m, the height limit should be applied at
the same time, which means (40/4- 1)*5=45 m
7 . If the riser EP get power from an auxiliary power supply,
the riser system power supply only provide power to
riser shunt, the Floor shunt and the handsets .
Maximum distance between EP or handset and power supply .
In the riser, the quantity of devices managed by a power supply are shown in table 4, table 5, and table 6 .
Case 1, case 2, case 3, case 4, case 7, case 8, case 9 are for 323005(PW1) and 323010(aPW1) . Case 4, case 5, case 6, case 10, case
11, case 12 are for 323005(PW1)
Notes:
1 . The current can also be affected by the distance . Here every floor is supposed to be 5 m height .
2 . If there are many 323002, it is supposed that the distance of 323002is 0 .5 m .
Table 4: Case 1 to Case 4, the quantity of devices managed by 323005(PW1)
How many apartments on every floor
HANDSET
Case 1
Case 2
Case 3
Case 4
Total Qty of
handsets
Floor limit
Total Qty of
handsets
Floor limit
Total Qty of handsets
Floor limit
Total Qty of
handsets
Floor limit
2 apartments/floor
(Don’t use extra power cable)
24
max: 12 floors
4
max: 2 floors
16
max: 8 floors
10[*1]
max: 5 floors
2 apartments/floor
(use extra power cable)
78
max: 39 floors
-
-
16
max: 8 floors
20[*1]
max: 10 floors
4 apartments/floor
40
max: 10 floors
4
max: 1 floor
16
max: 4 floors
12[*1]
max: 3 floors
8 apartments/floor
56
max: 7 floors
4
max: 1 floor
16
max: 2 floors
12[*1]
max: 2 floors
12 apartments/floor
56
max: 5 floors
4
max: 1 floor
16
max: 2 floors
12[*1]
max: 1 floor
16 apartments/floor
56
max: 4 floors
4
max: 1 floor
16
max: 1 floor
16[*1]
max: 1 floor
20 apartments/floor
68
max: 4 floors
4
max: 1 floor
16
max: 1 floor
20[*1]
max: 1 floor
24 apartments/floor
68
max: 3 floors
4
max: 1 floor
16
max: 1 floor
20[*1]
max: 1 floor
28 apartments/floor
68
max: 3 floors
4
max:1 floor
16
max: 1 floor
20[*1]
max: 1 floor
32 apartments/floor
68
max: 3 floors
4
max:1 floor
16
max: 1 floor
20[*1]
max: 1 floor
36 apartments/floor
68
max: 2 floors
4
max:1 floor
16
max: 1 floor
20[*1]
max: 1 floor
Power supply check and calculation
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