15
0
6/16 - Subject to change. © Belimo Air
controls
(USA
), Inc
.
3. Setting PPM range (only required if sensor is confi gurable for other
ranges).
4. Power RTU and enter Settings Menu.
Note: When the CO
2
sensor is powered and 0-10 VDC is available at CO
2
+
and CO
2
, the ZIP Economizer will recognize the CO
2
presence and the
prompt to set up CO
2
settings.
5. Setting DCV settings.
a. With single speed indoor fan, only 2 DCV settings are required.
i. DCV Min Pos – This is the minimum occupied or zero occupancy
ventilation rate expressed in damper percent open (Title 24 2013
section 120.1(b)2; ASHRAE 62.1 Section 6.2.7).
ii. CO
2
PPM Set Pnt – This is the CO
2
concentration that is desired in the
space (Title 24 2013 section 120.1(c)4. prescribed as 600ppm plus
outdoor air CO
2
concentration assumed to be 400ppm = a set point of
1000ppm).
ECON-ZIP-EM and CO
2
sensor can be added during or after initial set up.
1. A
CO
2
sensor is needed with the following characteristics:
a. Output that is 0-10 VDC
b. Range of 0-2000ppm
2. Attach the Energy Module ECON-ZIP-EM to the ZIP Economizer
ECON-ZIP-BASE.
Before Getting Started
Wiring CO
2
Sensor to ZIP Economizer
1. Wire
CO
2
sensor 0-10 VDC output to ECON-ZIP-EM CO
2
sensor input.
Operation
Type of
Output
Ventilation Rate
(cfm/Person)
Analog
Output
CO
2
Control
Range (ppm)
Any
0-10V
0-2000
The ZIP Economizer logic will control the outside air damper position based on
space CO
2
dilution needs. If the CO
2
value is low, the damper shall remain at DCV
Min Pos when not in free cooling. When the CO
2
concentration rises above the
CO
2
PPM Set Pnt (as the space becomes more populated), then the damper will
start to modulate towards Vent Min Pos to maintain level at CO
2
PPM set Pnt.
When the CO
2
concentration drops in the space (the space population decreases)
the damper will start to modulate back towards DCV Min Pos.
2. Wire
CO
2
sensor power.
Note: If RTU transformer VA is suffi cient R/C terminals may be used on
ZIP Economizer.
Example CO
2
Sensor Diagram
Example CO
2
Sensor Diagram
WARNING
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this
product, it may be necessary to work with live electrical components. Have a
qualifi ed licensed electrician or other individual who has been properly trained
in handling live electrical components perform these tasks. Failure to follow all
electrical safety precautions when exposed to live electrical components could
result in death or serious injury.
Demand Control Ventilation Setup
ZIP Economizer
Setup and Configuration
