Indoor air quality enthalpy probe for Roof Top 017/040 Ref.: N-40394_EN 0911

Indoor air quality enthalpy probe for Roof Top 017/040 Ref.: N-40394_EN 0911
Indoor air quality enthalpy probe for
Roof Top 017/040
Options and Accessories, Installation manual
Ref.: N-40394_EN 0911
Index
Index
1
Indoor air quality probe............................................................................................................1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
General information..................................................................................................................2
General dimensions.................................................................................................................2
Technical specifications...........................................................................................................2
Assembly..................................................................................................................................3
Operation.................................................................................................................................3
Installation................................................................................................................................4
Wiring diagram.........................................................................................................................6
i
1
Indoor air quality probe
1
1.1
Indoor air quality probe
General information
1.1 General information
The probe measures the degree of pollution due to different reasons such as the level of room occupancy,
tobacco, kitchen smoke, carbon monoxide, etc. When the pre-set limits are exceeded, the control acts
on the economiser, adjusting the outdoor air damper.
This option requires the economiser for it to work properly.
1.2 General dimensions
48,2
101
Measurements in mm
39
28
28
30
30
28
3,6
28
86
30
30
96,4
86
1.3 Technical specifications
This accessory includes the following components:
•
•
•
2
Air quality probe.
230 Vac to 5 Vdc signal conversion board.
Connection cable for probe fitting inside machines.
Indoor air quality probe
Assembly
1
1.4
1.4 Assembly
Probe installed on the return side inside the machine
B
A
A.
Indoor air quality probe.
B.
Rain protection assembly and economiser (existing).
Probe installed in room
The place where the indoor air quality probe -A- is
installed in the room must be representative of its air
quality level.
It must be installed on a wall free of obstacles at a
distance of 1,5 to 3 m from the floor.
Probes should not be installed behind curtains or
shelving or in gaps or areas where people are
permanently present (in this case, the minimum
distance should be 1 to 2 metres).
A
X
X = 1,5 ÷ 3 m.
1.5 Operation
The air quality probe has a VOC (volatile organic compounds) sensor that compares their concentrations
in the air with the setting selected on the probe. Where the value is higher than the setting, the probe
triggers output Y1 using a relay.
3
1
1.6
Indoor air quality probe
Installation
The 230 VAC output signal between Y1 and N is connected to the 230 Vac to 5 Vdc conversion board.
This board is fitted alongside the economiser control board. The 5 Vdc signal wire must be connected
when J18 is connected on the economiser board.
Where the thermostat setting temperature of the room is met and there is an air quality request signal,
the damper is opened to the programmed renewal minimum and the inside fan starts up. The damper
then opens further, bearing in mind the maximum (30 °C) and minimum (12 °C) supply temperatures.
In the following cases:
• Disappearance of the air quality request signal,
• the thermostat makes a cold or heat request
The damper returns to the renewal minimum. Where there is no request from the thermostat and the
inside fan is in automatic mode, the fan will stop and the dampers will close.
A.
Connection terminals.
B.
Air quality level selection.
C.
VOC sensor.
A
Three air quality levels can be selected on the probe
according to the bridge positions:
0: Normal, default position.
-:
Acceptable.
+:
Very good.
B
C
1.6 Installation
•
•
NOTE
The electrical connection for the probe will be different depending on the place where it is installed.
Bear in mind the current regulations in the country where the equipment is to be installed.
Disconnect the power supply to the unit using the main switch -Q3- (See Installation Manual).
Install the air quality probe on the return side of the economiser or inside the room.
Install the 230 Vac to 5 Vdc signal conversion board next to the economiser board. Previously remove
the plastic cover and secure the board using the plastic separators on the plate support.
Connect the 5 Vdc signal wire when J18 is connected on the economiser board.
Probe installed on the return side inside the machine:
Connect the black and blue wires (386 and 387) of the economiser cable (inside the cable ducting on
the electrical box side) to X1 terminals L and N, respectively. Then connect air quality probe terminals L
and N.
Run the brown (Y1) and blue (N) wires from the probe to the signal conversion board.
Probe installed in room:
Install a 4 x 1 mm2 cable (black, blue, brown and yellow-green) from the electrical box on the unit to the
location where the probe is to be installed in the room.
Connect the black (L), blue (N), brown (Y1) and yellow-green (earth) wires to the X1 connector terminals
and to the probe. Then connect wires 387 (N) and 386 (Y1) to the side of the electrical box (connector
X1) and to the side of the signal conversion board.
4
Indoor air quality probe
Installation
1
1.6
Checking the correct working order of the probe:
Set the thermostat so that the room temperature is met.
Bridge terminals L and Y1 or make the probe detect smoke to check that the output relay is triggered.
The damper should open very slowly.
CAUTION
Loose connection terminals produce overheating of cables and terminals. The unit will work incorrectly
and there is a risk of fire.
Check that the cables are firmly secured to their connection terminals.
CAUTION
Do not turn on the general switch on the unit or start the unit until all installation work has been completed.
5
1
1.7
Indoor air quality probe
Wiring diagram
1.7 Wiring diagram
F11
F3
KM11
ENTALP
J19J20
50%
0%
100%
M
K1
J14
YECO
582
583
X2-R
X2-7
2
SW1
J16
700
3
A4
B16
B15
POWER
J13
1
J15
VO.2
P1
B17
M11
J6 J3
581
580
X2-B
X2-R
J17
EXT. RET.
J18 0-10V C R
CO2
M
8
+
S
7
+
S
X1-386
X1-387
6
X1-387
X1-386
6
X1
L
N
Y1
L
N
Y1
4
5
L
N
Y1
I-2647a
6
Indoor air quality probe
Wiring diagram
1
1.7
Optional
F11
1.
KM11
•
•
•
•
Reg. 2,5 A (017, 022).
Reg. 5,5 A (032, 040).
Reg. 1,4 A (045, 060).
Reg. 3 A (075, 090).
A1 to X2-7 (Cable 583)
A2 to X2-B
M11
Exhaust fan
X2-R
24 VAC Phase-R switching
X2-7
To A1 from KM11
2.
Accessories
3.
Accessories
Air quality probe, optional, fitted on return (inside machine)
4.
L
Black
N
Blue
Y1
Brown
Air quality probe, optional, fitted on ambient (machine exterior)
5.
L
Black
N
Blue
Y1
Brown
Yellow-Green
6.
Air quality board (green)
Enthalpy probe C7400A return, optional
7.
+
Red
S
White
Enthalpy probe C7400A outside, optional
8.
+
Red
S
White
B15
Return probe (black)
B16
Supply probe, optional depending on model (yellow)
B17
Indoor probe (white)
Damper
M10
X1
0-10 V
Grey
C
Black
R
Red
Cables to be installed on site (not supplied)
Data and measurements subject to changes without prior notice.
7
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