Johnson Controls YORK ACTIVA 100 User manual

Barometric damper for ROOF TOP
ACTIVA 100/175
Options and Accessories, Installation manual
Ref.: N-40431_EN 0913

Index
1Barometric damper for ROOF TOP ACTIVA 100/175..............................................................1
1.1 General information..................................................................................................................2
1.2 Dimensions..............................................................................................................................3
1.3 Installation................................................................................................................................3
1.3.1 Installation in unit with lower return air inlet..............................................................................3
1.3.2 Installation in unit with side return air inlet................................................................................5
Index
i

1
Barometric damper for ROOF TOP
ACTIVA 100/175

1.1 General information
It consists of an assembly of excess pressure dampers (two in 100 / 125 models and three in 150 / 175
models), and rain protection, including a bird protection grille.
This is the most suitable and economical exhaust system for units using an economiser or motorised
damper, in installations where the return air operation is preferably carried out without a duct, or with a
very short duct, and planned air exhaust is a maximum of 25% of the total supply air flow.
When the economiser operates and the outdoor air inlet opens the return air flow is closed proportionally,
and the pressure inside the building increases. When the pressure is slightly greater than atmospheric
pressure, the dampers are opened to release any excess air flow directly outdoors.
For transportation reasons, the assembly dampers is supplied fitted to the side panel of the unit. This is
the correct location in the case of facilities where the return air inlet to the unit is at the lower part. See
section
Installation in unit with lower return air inlet, see on page 3 .
•In the case of facilities where the return air inlet to the unit is through a minimal duct on the side, the
assembly of dampers must be installed directly on the front face of the return duct itself, as close to
the unit as possible. See section Installation in unit with side return air inlet, see on page 5 .
The rain protection is supplied separately, for on-site installation. The two side panels, the upper panel,
the protection grille, the nuts and bolts and the sealing strips required for installation are located inside
the unit in the return zone.
1Barometric damper for ROOF TOP ACTIVA 100/175
1.1 General information
2

1.2 Dimensions
583
170 L
418
B
A
B
A
ARainhood economiser
B Rainhood barometric damper or exhaust fan
Model L
100 / 125 1805
150 / 175 2255
1.3 Installation
1.3.1 Installation in unit with lower return air inlet
The excess pressure damper assembly is already installed on the side of the unit.
In this case, it is not necessary to add a seal in addition to that present on the unit supports.
Install the rain protection (rainhood):
Barometric damper for ROOF TOP ACTIVA 100/175 1
Dimensions 1.2
3

NOTE
The necessary nuts and bolts are supplied with the panels and the grille of the protection.
1. Place both side panels in the correct position and attach them to the supports of the side of the unit
with three bolts for each one.
NOTE
The fixing holes in the supports on the unit are hidden under the rubber sealing strip.
2. Put in place the upper panel supported by the
sides and slide it until it makes contact with the
side of the unit.
3. Attach the top flange to the unit and to both sides.
NOTE
Use bolts and sealing washers.
4. Place the lower grille in its position and attach it to both side panels and the upper panel.
NOTE
Use bolts and sealing washers.
1Barometric damper for ROOF TOP ACTIVA 100/175
1.3 Installation
4

1.3.2 Installation in unit with side return air inlet
Remove the excess pressure damper assembly from the unit and then directly install it on the front face
of the return duct itself, as close as possible to the unit.
A flat front surface is required on the return duct with minimal dimensions.
L
H
1
ATTENTION
The total weight of the excess pressure dampers assembly and the rain protection is:
•28 kg in 100 / 125 models.
• 37 kg in 150 / 175 models.
1Side return duct
Model L H
100 / 125 1880 705
150 / 175 2330 705
Barometric damper for ROOF TOP ACTIVA 100/175 1
Installation 1.3
5

Installation process:
1. Remove the excess pressure damper panel assembly from the unit by loosening the bolts.
2. Drill the holes and make the rectangular opening necessary for attachment to the front face of the
duct.
53096
50 16
96530 530
20 20
62
258
258
1700
41
55735735 16055
16
40
40
516
2150
41
55685685 71055
16
20
62
258
258
510
96
50 16
96
510 510 510
o3,5 o3,5
o3,5 o3,5
41
41
40
40
516
20
564
564
100/125
150/175
1Barometric damper for ROOF TOP ACTIVA 100/175
1.3 Installation
6

3. Install and attach the panel damper assembly in the rectangular opening.
NOTE
Use the bolts supplied.
Barometric damper for ROOF TOP ACTIVA 100/175 1
Installation 1.3
7

4. Install the rain protection.
a. Apply rubber sealing strip (supplied with the nuts and bolts kit) in the supporting flanges of both
side panels and the upper panel.
NOTE
•It must be applied in a continuous strip, without cuts.
•There must be approximately a 10 mm excess on the end of the flange in all cases.
ARubber sealing strip
b. Place the side panels in the correct position and attach them to the front face of the duct with three
bolts on each panel.
c. Put in place the upper panel supported by the
sides and slide it until it makes contact with the
front face of the duct.
d. Attach the top flange to the face of the duct and the sides.
10
10
10
10
10
A
A
A
10
1Barometric damper for ROOF TOP ACTIVA 100/175
1.3 Installation
8

NOTE
Use bolts and a sealing washer.
e. Place the lower grille in its position and attach
it to the side panels and the upper panel.
NOTE
Use bolts and a sealing washer.
f. Make sure that the joint of the upper panel with the contact surface of the duct is sealed.
• If you have any doubts, apply a silicone bead along all its length -A-.
A
Barometric damper for ROOF TOP ACTIVA 100/175 1
Installation 1.3
9