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INSTALLATION MANUAL

Models CERV2-6EC, CERV2-8EC

Build Equinox

support@buildequinox.com

(773)-492-1893

Rev 0.1 - 05/10/2018

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Page 1 INSTALLATION MANUAL Models CERV2-6EC, CERV2-8EC Build Equinox support@buildequinox.com (773)-492-1893 Rev 0.1 - 05/10/2018 © Build Equinox 2018...
Page 2: Table Of Contents
Contents Specifications ....................................3 General Considerations ................................6 Installation Procedure .................................. 7 Unit Installation & Ducting ..............................7 Insulating ..................................11 Water Drain ..................................11 Electrical ..................................... 12 General Wiring Guidelines .............................. 12 Electrical Installation ............................... 12 Filters ......................................13 Starting and Commissioning the System ............................
Page 3: Specifications
Specifications Electrical Voltage Supply 120V (60hz) Min Circuit Size 15 A Connection NEMA 15-5P Plug, 6ft cord System Unit Dimensions 25.5” W x 40” L x 38” H Unit Weight 139 lbs (6EC), 142lbs (8EC) Airflow Rate 100-300 CFM Air Filter Size 10”...
Page 4 Performance Heating: 47F Outside, 68F Inside 4731 (recirc)* Heating Capacity (Btu/h) 6531 (vent)** 3.6 (recirc) Heating Efficiency (COP) 4.8 (vent) (excludes fan power - see below) Heating Elec Power (W) 379 (recirc) (excludes fan power - see below) 399 (vent) Heating: 32F Outside, 68F Inside 3702 (recirc) Heating Capacity (Btu/h)
Page 5 Revision 0.1 [05/10/18] Page 5...
Page 6: General Considerations
General Considerations DANGER: Risk of electric shock. Can cause injury or death: disconnect all remote electric power supplies before servicing. 1. Please review entire manual before proceeding with installation. Improper installation or deviation from instructions can result in damage and warranty being voided. 2.
Page 7: Installation Procedure
Installation Procedure Unit Installation & Ducting 1. Review Ducting section below to determine most applicable ducting scheme. 2. It is recommended to install the CERV2 in a plastic appliance basin if location is such that water damage is a concern. A clogged condensate line can cause water to pool around the CERV2. A moisture sensor and alarm can also be used to notify occupants of a problem.
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Page 11: Insulating
Insulating In the winter, the unit will be bringing in cold air, passing it through the heat pump, and then exhausting EVEN COLDER air. In the summer, the CERV will be bringing in hot air, passing through the heat pump, and exhausting EVEN HOTTER air. It is therefore extremely important that the components of the system are properly insulated, as to prevent any condensation on the ducting.
Page 12: Electrical
Electrical DANGER: risk of electric shock. Can cause injury or death: disconnect all remote electric power supplies before servicing. Electrical Ratings Voltage Supply 120VAC (60hz) Minimum Circuit Size Standard NEMA 5-15P Connection Plug, 6ft Cord General Wiring Guidelines • All electrical wiring should be performed as to comply with National Electric Code NFPA 70. Additionally, be aware of any additional city or utility code requirements before installation.
Page 13: Filters
Filters The CERV2 contains filters for both incoming fresh air from outside and return air from inside. The filters can be easily accessed by unscrewing the top two thumb-screws and removing the top filter access cover. Before opening the filter access cover, it is important to stop fan operation during this time.
Page 14: Starting And Commissioning The System
Starting and Commissioning the System Please review all ducting, insulating, condensate drain, and electrical sections before continuing. After all electrical wiring has been completed and all connections have been double checked, apply power to the unit. When the unit is first started, it takes approximately 30 seconds to initialize valves and check system health. For the first 3 minutes after initialization, the CERV will go into an Assess mode.
Page 15: Appendix - Wifi Setup
Appendix – WiFi Setup Revision 0.1 [05/10/18] Page 15...
Page 16 Connection to the WiFi network was successful, but the CERV is having trouble uploading data through the internet. This often resolves itself No Connection to Server after several minutes (depending on the network). Contact Build Equinox if this does not resolve itself. CERVICE Online Control & Monitoring Account Setup Revision 0.1 [05/10/18]...
Page 17: Appendix - Fan Speed Configuration
Appendix – Fan Speed Configuration The inline fans included with the CERV can be configured to help maximize comfort and fresh air delivery to the home. There are three configuration settings for the inline fans: • Normal Operation: This will be the default fan speed for the system as it ventilates, recirculates, heats, and cools your home.
Page 18: Appendix - Electrical
Appendix - Electrical DANGER: risk of electric shock. Can cause injury or death: disconnect all remote electric power supplies before servicing. CERV Internal Wiring Diagram Revision 0.1 [05/10/18] Page 18...
Page 19 Front Panel Removal and Auxiliary Input/Output (X0 and I0) Access These instructions show how to access the internal input/output connections in the CERV2. Before removing any access covers, power to the CERV2 should be turned off and the unit either unplugged or the electric breaker switched off.
Page 20 Once the lower front cover is off, the four screws for the lower access panel can be removed. Screw locations are shown below. With the screws removed, the panel will be free to come out. On the right side is the power conditioning and distribution electronics assembly. The I/O terminals are located at the front of this assembly.
Page 21 Built-In Auxiliary Input and Output (X0 and I0) A schematic of the I/O terminals is shown below. The following sections describe making wired connections to these terminals for several external devices. Revision 0.1 [05/10/18] Page 21...
Page 22 Wired Auxiliary Output Example – Inline Duct Heater (wiring) The CERV2 can control electric heaters in two ways; dry contact, where the heater is suppling a 24V signal, or 24V signal where the CERV is directly supplying the 24V control signal. Installation should only be performed by a trained professional.
Page 23 Wired Auxiliary Output Example – Inline Duct Heater (Configuration) After completing the electric heater wiring, the CERV2 output channel must be configured through the controller. Follow the schematic below. When the external heater is on, a heater icon will appear in the status bar of the home screen located in the upper right corner.
Page 24 Wired Auxiliary Output Example – Fan Interlock (wiring) Revision 0.1 [05/10/18] Page 24...
Page 25 Wired Auxiliary Output Example – Fan Interlock (Configuration) Fan Interlock Notes: When an Auxiliary Output is configured with the Fan Interlock functionality, the CERV will enable the output relay, connecting the Normally Open and Common terminals internally. This will occur any time the CERV fans are operating. When the CERV goes into the Off operational mode, the output relay is disabled.
Page 26 Wireless Auxiliary Output Example – GEO Boost (Wiring) Ducting and Glycol Loop Configuration Revision 0.1 [05/10/18] Page 26...
Page 27 Wireless Auxiliary Output Example – GEO Boost (Configuration) Revision 0.1 [05/10/18] Page 27...
Page 28 GEO Boost Notes When an output has been configured as a GEO Boost, the CERV internally handles the logic required to determine when conditions are right to enable or disable the glycol pump. Depending on indoor and outdoor conditions, the GEO Boost may do periodic assessments, turning on or off to calculate its contribution to efficiency and capacity of the CERV as a whole.
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This manual is also suitable for:

Cerv2-8ec