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Installation Instructions for theELQZ-2-504 Air Quality Sensor
GOLD/COMPACT
1. General
The carbon dioxide content of the indoor air is an effective
indicator of how many occupants are in a room and the
degree of ventilation required to maintain the air quality
we need. Ventilation control based on CO
guarantee the adequate supply of fresh air, and at the
same time keeps energy costs as low as possible.
2. Function
Demand Control
Set the air handling unit to "DEMAND REGULATION"
under the "FAN REGULATION" (CONTROL) function menu
(see the Operation and Maintenance Instructions).
Set the setpoint required as a percentage of the sensor's
operating range.
If a setpoint of 1000 ppm is required, for instance, set
the setpoint to 50%. Enter the setting under the "FLOW/
PRESSURE" menu group (see the Operation and Mainte-
nance Instructions).
ReCO
2
Set the GOLD unit to "CO
menu (see the Operation and Maintenance Instructions).
Set the setpoint required as a percentage of the sensor's
operating range.
If a setpoint of 1000 ppm is required, for instance, set
the setpoint to 50%. Enter the setting under the "FLOW/
PRESSURE" menu group (see the Operation and Mainte-
nance Instructions).
3. Mounting
Locate the sensor where the indoor climatic conditions are
typical for the premises. Avoid any spot where the sensor
would be exposed to direct draught or poor air mixture. We
advise locating the sensor at least 2 metres above the
floor to minimize the risk of physical damage or inaccurate
readings due to direct exposure to exhaled air. Access to
the sensor is needed for checking its function and servi-
cing only.
1. Route the cable to where the sensor is to be located.
The cable can be recessed in the wall or other surface and
should then be passed into the air quality sensor through
its bottom section. If the wire is surface-mounted, it can
be passed into the sensor through one of the knockout
lead-throughs in the top of the sensor.
2. Back off the screw and pull the top section straight
upward.
Specifications are subject to alteration without notice.
measurements
2
" under the "ReCO2" Function
2
3. Push the intermediate plate together with cover
upward and hold firmly against the base plate.
4. Bend the intermediate plate with cover obliquely
outward and detach it from the hooks. 1
1
GB.ELQZ504480.110202
1
www.swegon.com 1
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Summary of Contents for Swegon ELQZ-2-504 series
- Page 1 PRESSURE” menu group (see the Operation and Mainte- nance Instructions). ReCO Set the GOLD unit to ”CO ” under the ”ReCO2” Function menu (see the Operation and Maintenance Instructions). Set the setpoint required as a percentage of the sensor’s operating range. If a setpoint of 1000 ppm is required, for instance, set the setpoint to 50%. Enter the setting under the “FLOW/ PRESSURE” menu group (see the Operation and Mainte- nance Instructions). 3. Mounting Locate the sensor where the indoor climatic conditions are typical for the premises. Avoid any spot where the sensor would be exposed to direct draught or poor air mixture. We advise locating the sensor at least 2 metres above the 4. Bend the intermediate plate with cover obliquely floor to minimize the risk of physical damage or inaccurate outward and detach it from the hooks. 1 readings due to direct exposure to exhaled air. Access to the sensor is needed for checking its function and servi- cing only. 1. Route the cable to where the sensor is to be located. The cable can be recessed in the wall or other surface and should then be passed into the air quality sensor through its bottom section. If the wire is surface-mounted, it can be passed into the sensor through one of the knockout lead-throughs in the top of the sensor. 2. Back off the screw and pull the top section straight upward. www.swegon.com 1 Specifications are subject to alteration without notice.
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Page 2: Technical Data
± 5% of the reading Warm-up period < 1 min. Response time < 2 min. Wiring nuts for max. 1,5 mm² Enclosure Class IP 20 Operating temperature 0 till +50 °C Storage temperature -20 till +70°C Dimensions (H×W×D) 120×82×30 6. A Insert the hooks into the holes in the upper section of the base plate. *The accuracy is defined for continuous operation (at least three weeks Press the front against the base plate until its after installation). hooks lock into the bottom edge of the front. 7. Push in the top section under the locking hooks in the base plate and secure it in position by means of the screw. 2 www.swegon.com Specifications are subject to alteration without notice. -
Page 3: Electrical Connections
20% 0% Out 2 Supply air fan Current Voltage Current Voltage Exhaust air fan A = Control of supply air fan B = Control of extract air fan ReCO Air quality sensor GOLD RX/CX IQnomic control unit IQnomic Plus Out 1 20% 0% Out 2 Current Voltage Current Voltage www.swegon.com 3 Specifications are subject to alteration without notice. - Page 4 9 G+ 10 G0 Out 1 20% 0% Out 2 Current Voltage Current *Demand regulation (control) should be selected for Voltage the one fan and slave control should be selected to the other fan if so desired. 4 www.swegon.com Specifications are subject to alteration without notice.
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