Energy Wall ERV-600 Instruction manual

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
INSTALLATION, OPERATION & MAINTENANCE MANUAL
ENERGY RECOVERY VENTILATORS
ENERGY WALLTM ERV-600
MODEL: ERV-600

2ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
INSTALLATON
REQUIRED TOOLS
CONTROL MODES
Mode 0 – Remote ON/OFF (Max 24V AC/DC)
Fan speeds are independently controlled by potentiometers located
on the front of the controller board. The enable input allows for a
simple remote ON/OFF operation of the system. The system is
shipped as always ON by means of a factory installed jumper. This
jumper must be removed if external enable control is desired. The
enable inputs will accept up to 24VDC/AC. If a DC signal is used
ensure to bring both the signal and DC common wire to the
controller. A voltage differential must be present across the contacts
for the system to turn on.
Mode 1 – Remote Speed Control (0-10 VDC)
The maximum fan speeds are independently controlled by
potentiometers located on the front of the controller board. The fans
will not exceed this setting, if maximum fan speed is desired ensure
that the potentiometers are turn completely clock wise. Two analog
input signals allow for remote control of the fan speeds for each
airstream. The enable input works the same as in Mode 0. Ensure
that the DC common for the signals is connected to the COM terminal
on the controller, the inputs are single ended and accept 0-10 VDC.

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 3
ERV-600 ENERGY WALLTM
INSTALLATON
STEPS 1-4
Step 1
Mount the system as desired. (Ceiling
mount exampled)
Step 2
Slip duct work over 1” flange. You may have to
slide the duct work over a fan cube.
Step 3
Attach the duct work to the plastic flange
with self tapping sheet metal screws.
Step 4
Rotate electrical access panel latches (4).
5/16”
(7.9 mm)

4ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
INSTALLATON
STEPS 5-8
Step 5
Remove electrical access panel.
Step 6
Loosen threaded plugs located in the
electrical power and control ports.
12 mm
Step 7
Remove threaded plugs from power and
control ports.
Step 8
Install power and control conduit fittings.
(customer supplied)
3/4” NPT
Threaded Port

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 5
ERV-600 ENERGY WALLTM
INSTALLATON
STEPS 9-12
Step 9
Connect power wires to the integrated
disconnect. (L1 & L2)
4 mm
Step 10
Connect ground wire to green terminal block.
1.2x6.5 mm
Step 11
Connect remote enable wires.
(See controller documentation)
0.6x2.5 mm
Step 12
Adjust exhaust and supply air maximum fan speeds
using potentiometers.
0.6x2.5 mm

6ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
Label
IO Type
A
Analog Input
B
Analog Output
C
Fan Control
D
Pressure Drop
E
Power Supplies
F
Local Fieldbus
G
Digital Inputs
H
BMS 1
I
Relay Output
J
Local Setpoint
Control
K
BMS 2
L
Cellular
Connectivity
UNIVERSAL AHU CONTROLLER
OPERATION

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 7
ERV-600 ENERGY WALLTM
OPERATIO
N
UNIVERSAL AHU CONTROLLER
Label
IO Type
Description
A
Analog Input
(Qty 10) 0-10 VDC single ended analog inputs
Can be used for fan speed control, modulating damper actuator
feedback, and customer supplied external sensors
B
Analog
Output
(Qty 6) 0-10 VDC single ended analog outputs
Can be used for modulating damper control or general customer IO
C
Fan Control
Factory IO used for local fan control and feedback
D
Pressure
Drop
(Qty 4) +/- 2 inWG differential pressure drop sensor
Used for dirty filter alarm monitoring, external pressure control, and air
flow calculation
E
Power
Supplies
(Qty 2) Local power supply control and monitoring connections
F
Local
Fieldbus
(Qty 4) Local factory sensor connection
Used to add temperature, relative humidity, and CO2 sensors to the
system.
G
Digital
Inputs
(Qty 5) Digital inputs (Max voltage: 24 VAC/DC)
One digital input serves as the system enable input the other four inputs
may be used by the customer
H
BMS 1
(Qty 1) RS-485 communication port allowing for remote Modbus /
BACnet MSPT control and monitoring
I
Relay
Output
(Qty 4) Relay outputs
Used to control On/Off dampers and may be used by the customer
J
Local
Setpoint
Control
(Qty 3) Integrated potentiometers
Allows local independent adjustment of fan speeds for both airstreams
and an external sensor setpoint
K
BMS 2
(Qty 1) Ethernet connection
Allows for integration into BMS over BACnet/IP
L
Cellular
(Qty 1) Cellular connectivity
Firmware updates, device configuration, and remote data monitoring

8ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
EA Exhaust Air OA Outside Air RA Return Air FA Fresh Air
EA Exhaust Air OA Outside Air RA Return Air FA Fresh Air
EA Exhaust Air OA Outside Air RA Return Air FA Fresh Air
APPLICATIONS
INSTALLATIO
FA to AHU, RA from Room
FA to Room, RA from Room
OUTDOOR AHU
OA
EA
ERV
FA TAPPED INTO AHU RETURN
AHU RA DUCT
RA FROM SPACE
ERV
RA
FA
OA
EA
FA to Room, RA from AHU
OA
FA
RA FROM AHU
EA
AHU RA DUCT
OUTDOOR AHU
ERV

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 9
ERV-600 ENERGY WALLTM
STRUT AND SUPPORT LOCATIONS
INSTALLATION
OA
EA
FA
RA
UP
EA Exhaust Air OA Outside Air RA Return Air FA Fresh Air
Vertical Positioning
OA
EA
FA
RA
EA Exhaust Air OA Outside Air RA Return Air FA Fresh Air
Strut / Support Locations

10 ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
TYPICAL MOUNTING
INSTALLATIO
N
Units Can Be Suspended Using Threaded Rod and Strut Arrangement

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 11
ERV-600 ENERGY WALLTM
STEP 1 Navigate to the following website URL to download the configuration software:
https://fw.energywall.com/unit-config/publish.htm
STEP 2 Download installer by clicking “launch” link.
(The “install” button at the bottom is only
necessary if Microsoft .NET Framework 4.6.1 is not already installed on your computer.)
INSTALLATION
CONFIGURING SOFTWARE

12 ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
INSTALLATION
CONFIGURING SOFTWARE
STEP 3 The installer will start downloading. Once complete, open the installer. (Depending on
your browser, the download may be in your computer’s downloads folder.)
STEP 4 Upon opening the installer, a Microsoft Security Warning dialog window may appear. Click
“Run” to continue installing the software
STEP 5 Upon completion of the install, the “Unit Configuration” application will automatically open.

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 13
ERV-600 ENERGY WALLTM
INSTALLATIO
N
CONFIGURING SOFTWARE
STEP 6 Connect your computer to the U-ERV system controller using the Energy Wall supplied
configuration kit (Part #EE-20043-01). This kit will include a USB to Serial cable and a serial to flying lead.
STEP 7 Terminate the flying lead end of the cable to the U-ERV controller. Connect the ferruled ends
to the corresponding “Tx”, “Rx”, and “GND” terminals for RS-232 communication.
RS-485
RS-232 Serial
Connection
USB
To Computer
+ -
GND
COM
Tx Rx
GND
RS-232
Serial Adapter
GND
Rx
Tx

14 ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
STEP 8 Secure the electrical access panel and turn power on to the unit.
STEP 9 Once the serial cable is properly connected to the controller and the system is powered on,
connect the USB end of the cable to your computer. Open the Unit Configuration software
previously installed. At the top of the application there is a drop-down selection box specifying the
serial port. From the drop-down menu select the correct port for the USB to serial cable you just
connected. If you are unsure of the exact port number, you may navigate to the Windows Device
Manager to see a list of currently connected serial ports. (The example below shows COM4,
however your port may be different.)
INSTALLATION
CONFIGURING SOFTWARE
STEP 10 Connect to the U-ERV controller. Upon selecting the correct serial port, press the
“Connect” button to begin the serial communication.

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 15
ERV-600 ENERGY WALLTM
STEP 11 If connection is successful, the controller data will populate the Unit Configuration
application. You can now monitor and configure several attributes of the controller.
STEP 12 Click the CO2 button to open the CO2 configuration window.
INSTALLATIO
N
CONFIGURING SOFTWARE

16 ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
INSTALLATION
CONFIGURING SOFTWARE
STEP 13 Adjust the desired CO2 settings.
Mode 2
In this operation mode, the system will automatically vary the fan speeds (Supply and Exhaust) in response to CO2 levels. The
CO2 level can be supplied by one or two i2c sensors on channels A and/or B; if there are two they will be averaged.
Alternatively, if no CO2 sensor is provided on the i2c channels, the CO2 level will be read from Analog Input 1. 0 volts will
indicate 0 PPM; the PPM indicated by 10 volts is set by TP3 (from 2,000 to 10,000). The default low and high CO2 set points
are 800 PPM and 1000 PPM. These values can be changed by including values in the co2.txt file in the config folder.
The system will control the fan speeds according to the following rules:
•If the CO2 is less than the low set point, the fan speeds will gradually be reduced until they reach their minimum
speed.
•If the CO2 levels are between the low and high set point, the fan speeds will remain constant.
•If the CO2 levels are above the high set point, the fans speeds will gradually be increased until they reach 100%.
•If the CO2 levels exceed the high point by the difference between the low and high set points (1200 PPM with the
default values), the fans we be set directly at 100%.
•The default rate of change for the fan speeds is 5% per minute. This value is changeable by setting the third line in
co2.txt.

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 17
ERV-600 ENERGY WALLTM
U-HRV ELECTRICAL
AC Power Connection
Attach conduit or wire fitting to included threaded port. Feed AC power wires (1P or 3P) into electrical
enclosure. Terminate the AC wires at the included disconnect. Terminate the ground in the large green
ground distribution block.
INSTALLATION

18 ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
Control Connection
Attach conduit or wire fitting to included threaded port. Feed control wire into electrical enclosure.
Terminate the control wires per the application requirements.
U-HRV
ELECTRICAL
INSTALLATION

ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365 19
ERV-600 ENERGY WALLTM
U-HRV ELECTRICAL
INSTALLATION
Enable Circuit
An enable circuit signal must be present for the system to operate. The fans will not turn on if the
enable input is not properly connected. A factory installed orange jumper wire is shipped with the unit.
This jumper will allow the system to operate normally so long as the main disconnect is turn on.
Digital Input
(24 VDC/AC)
Enable Jumper
EN 1 1 2 2
24
VDC
EN 3344
COM

20 ENERGYWALL.COM INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
U-HRV ELECTRICAL
An external switch may be used with either external or internal voltage. This switch will enable / disable
the fans in the system. Digital input labeled “3” is designated to the enable input. A 24 VDC/AC voltage
must be present between the “3” inputs for the fans to operate.
Digital Input
(24 VDC/AC)
Customer Supplied Power and
Enable Switch
24 DC/AC
Digital Input
(24 VDC/AC)
Customer Supplied Enable Switch
with internal voltage
EN 1122
24
VDC
EN 3344
COM
EN 1122
24
VDC
EN 3344
COM
The controller will also accept a digital input signal to force the system into economizer mode. Digital
input 1 is designated to the Force Economizer mode. A 24 VDC/AC voltage must be present between
digital input 1 terminals.
Digital Input
(24 VDC/AC)
Customer Supplied Economizer Switch
with internal voltage
Force Economizer ON Switch
with internal voltage
EN 11 2 224
VDC
EN 3 344COM
INSTALLATION