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Installation and Service Manual
Congratulations! You have purchased the most innovative electric boiler on the market. The NextGen Boiler
will provide
TM
comfort and efficiency for your heating applications for many years to come.
WH Response LLC
USA Distributor/Importer
6800 Electric Drive
Rockford, MN 55373
Phone: 844-227-9977
Fax: 763-477-3054
www.nextgenboiler.com
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Table of Contents
Summary of Contents for NextGen 4
- Page 1 Installation and Service Manual Congratulations! You have purchased the most innovative electric boiler on the market. The NextGen Boiler will provide comfort and efficiency for your heating applications for many years to come. WH Response LLC USA Distributor/Importer 6800 Electric Drive...
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Page 2: Table Of Contents
TAB LE OF CONTEN TS In s tructi ons for the insta lle r Sa fe ty I n s tr uct ions Ne x t G en Boile r R a tings a nd Speci f icat ions P ipin g A rra nge m e nt Si zin g o f t h e N ex t Ge n B oi l er De s i g ne d Temp er at ure D iff erent ial Cir cul at i ng Pum p Inf orm a ti o n... -
Page 3: Safet Y I Nstru Ct Io N S
Safet y I nstru ct io n s Read and strictly follow the installation and operating instructions to ensure a longevity and reliable boiler operation. This manual provides general installation guidelines. Your installation must comply with ALL applicable local codes. Always have a qualified electrician perform electrical wiring. -
Page 4: Ne X T G En Boile R R A Tings A Nd Speci F Icat Ions
Next Gen B oiler Ratin g s an d Sp ec ifi cati o n s Boiler Name NextGen-4 NextGen-6 NextGen-8 NextGen-12 NextGen-14.4 Boiler Type EKCO-4 EKCO-6 EKCO-8 EKCO-12 EKCO-14.4 14.4 Boiler Rated Power Btu/h 13,652 20,478 27,304 40,956 49,147... - Page 5 NextGen Boiler Mounting Clearances 17” 13-13/16" 1-5/16" min.2” 9-7/8" boiler depth 3-11/16" min.2” 2-3/16" Flow Outlet Return Inlet ATTENTION INSTALLER After reading instructions, please keep this manual with the boiler for future reference. Affix the plastic holder to the outside of the boiler and insert manual in this pocket.
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Page 6: Piping Arran G Em En T
NextGen Boilers piped in parallel (cascade) to achieve higher BTU output [1] - boilers [2] - additional expansion tank - if needed NextGen Boiler piped in a primary/secondary (P/S) configuration. Consider P/S when higher flow rates are necessary and when the boiler meets the intended heatloss of the hydronic system. -
Page 7: Siz Ing Of T He Nextge N Bo Il Er
Siz ing of t he NextGe n Bo il er It is very important to conduct a heatloss analysis of the intended heated space. Select the boiler size in kW based on its Btu/hr. rating that best meets the designed heatloss. It is important not to overly exceed the kW sizing as this will lead to unnecessary costs of boiler, wiring and materials. -
Page 8: Plumbing Instal Lat Io N Gu Id El In Es
Plumbing Instal lat io n Gu id el in es Remove outer screws at the bottom and at the top of boiler and carefully open the front cover. The boiler is wall hung and must be installed in a vertical position where plumbing connections are located at the bottom. -
Page 9: Electrical In S Tal La Tio N
Electrical In s tal la tio n Electrical Wiring Diagram For supply connections, use 10 awg or larger wires suitable for at least 167°F (75°C) All electrical work should be completed in accordance to local or state electrical and building codes. This boiler must be electrically grounded in accordance with National Electrical Code ASNI/NFPA70, or local codes. - Page 10 Thermostat - This boiler can be signaled to turn on from a standard two wire thermostat, end switches of an actuating valve or a zone control panel. These connections should all be voltage free (dry OP TT contact). Extend wires from thermostat to TT connections on control panel using 2 x 18 gauge wires.
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Page 11: Con Tro L Pan El
12 psi expansion tank reading or higher depending on application (15-20 psi recommended). 4. For testing, turn the thermostat above the room temperature reading. This will turn the boiler on. After testing return the thermostat to a comfort setting. -
Page 12: Wint Er M O D E (H E At Ing M Ode) 1
DETAILS The LED in the first location on the display indicates automatic setting, according to the heating curve and offset (see parameters 4 and 5 in advanced settings). This is active only when the outdoor °F sensor is wired to T terminals on control panel . -
Page 13: S Umm Er M Ode ( Sta Nd-B Y M O D
In our example, at 30°F outside the building we want to have 115°F for the heating (see the diagram on page 14), so we get exactly the heating curve defined as 4. If the intersection point of selected temperatures is not placed on the curve, we choose the closest. -
Page 14: Ad Van Ce D S E Tt Ings 1
Advan ced Setti n g s For advanced settings switch the control panel to stand-by mode. First press and hold power button for 3 seconds and release. Then press and hold the button, and immediately press the power button To select parameter press: , or buttons to enable you to change the values. -
Page 15: Tr Ou B L Es H Oo T Ing 1
Tro ub lesh o o t in g Do not attempt to service this boiler unless you have been trained in all aspects of its functionality and methods to repair. Failure to service properly may lead to further damage to components. Symptom Reason Action... -
Page 16: General Boiler View 1
General Boiler View www.NextGenboiler.com Phone: 844-227-9977... -
Page 17: Part List 1
Part List L1 L2 Wiring Entrance Manual Reset High Limit Device Control Panel Heating Element Pump Flow and Outlet Temperature Sensor Pressure Relief Valve By-Pass Valve Pressure Sensor Water Inlet Magnetic Filter Water Outlet www.NextGenboiler.com Phone: 844-227-9977... - Page 18 Connection 01582 Sleeve 01583 Panel ZIO.50 01584 Pump Wilo Star S21 U15 130 PR3 01585 Apollo Safety Relief Valve 30 psi, 3/4” 01586 Thermal Safety Cut Out 60T-X25, 90.05 Thermodisc 01587 Contactor HVVY2XQ04GG Hartland 01588 Transformer 4000-09AW18AE999 01589 Glass Fuse Connection 16A 01590 Time-delay Glass Fuse 6.3 x 32mm 2A...
- Page 19 Limited Product Warranty Kospel, S.A. warrants, and WH Response LLC carries out, the NextGen Boiler to the original purchaser to be free from manufacturing defects in materials and workmanship at the location of the original installation, except as noted below, for a period of 26 months from the date of manufacture. The NextGen Boiler must have been purchased from an authorized NextGen Boiler distributor.
- Page 20 www.NextGenboiler.com Phone: 844-227-9977...
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Page 21: Warranty Registration
Warranty Registration WH Response LLC NextGen Boiler Warranty Registration 6800 Electric Drive Rockford, MN 55373 Fax: 763-477-3054 or by Email: info@NextGenboiler.com NextGen Boiler Warranty Registration Name____________________________________________________________________________________ Address___________________________________________________________________________________ City_______________________State___________________Zip code_________________________________ Telephone_________________________________________________________________________________ Model #___________________________Serial #__________________________________________________ Installer Name__________________________________Telephone___________________________________ Date Installed______________________________________________________________________________ Warranty registration must be filled out completely and mailed or emailed within Sixty (60) days of installation in order to gain warranty coverage. - Page 22 www.NextGenboiler.com Phone: 844-227-9977...