Entrematic Ditec HA7 - Start-up and Configuration; Spring Pre-tension Adjustment

38
Issue 2020-08-31
1021444-2.0
12 Start-up
12 Start-up
Note: An external door stop is to be installed to prevent the door from over travel.
12.1 Spring pre-tension
The spring pre-tension is factory set to either size #2 PUSH / PULL or size #4 PUSH. Adjust the spring
according to the following information.
Door closer power size
according to ANSI 156.4
Closing force between
13mm (
1
/
2”
) and 76mm (3”)
Door weight
F (lbf) F (N)
Size #1 PUSH / PULL 2 - 3 9 - 13 50 lbs / 23 kg
Size #2 PUSH / PULL
3 - 5 13 - 22 80 lbs / 36 kg
Size #3 PUSH
5 - 8 22 - 36
100 lbs / 45 kg
Size #4 PUSH
8 - 11 36 - 49
125 lbs / 57 kg
18 mm
Spring shall not be over pre-
tensioned. Make sure that the spring
does not exceed the red line on the
sticker.
Force (+) PUSH size
#4
PULL
size #2
Force (
-)
PUSH size
#3
PULL
size #1
CAUTION
Warning
hands pinching
Force (+) PUSH size
#2
Force (
-)
PUSH size
#1
CAUTION
Warning
hands
pinching
Force (-) PUSH size
#3
PULL size #1
Force (+) PUSH size
#4
PULL size #2
CAUTION
Warning
hands pinching
Force (+) PUSH size
#4
PULL size #2
Force (
-)
PUSH size
#3
PULL size #1
CAUTION
Warning
hands pinching
13 - 76mm (
1
/
2 -