Table of Contents
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WARNING
All Installations should be done only by a qualified expert and
in accordance with the appropriate Navien manual. Improper
installation of this device may result in serious injury or property
damage.
When Installing the NaviCirc:
Read these instructions carefully. Failure to comply could
●
damage the NaviCirc or cause a hazardous condition.
Check the ratings provided in the instructions and on the
●
product to make sure the product is suitable for the application.
Installers must be trained, experienced, and licensed service
●
technicians.
Follow local codes for installation and application requirements.
●
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Installation and Operation
Manual
Certified to
NSF / ANSI 372
This device is designed
Note
and optimized for use only
on Navien NPE-A water
heaters.
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Table of Contents
Related Manuals for Navien NaviCirc Series
Summary of Contents for Navien NaviCirc Series
- Page 1 Navien NPE-A water heaters. WARNING All Installations should be done only by a qualified expert and in accordance with the appropriate Navien manual. Improper installation of this device may result in serious injury or property damage. When Installing the NaviCirc: Read these instructions carefully.
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Page 2: Table Of Contents
1.5 Supply Connections 2. Application System 2.1 NPE-A System 2.1.1 Application Guidelines 2.1.2 NPE-A System Diagram 2.2 Installing the NaviCirc 2.2.1 Installing the NaviCirc 2.2.2 Leak Check & Air Purge 2.3 Securing the NaviCirc to the Wall 3. Troubleshooting Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 3: About The Navicirc
To prevent too much hot water from flowing into the cold water line, the NaviCirc includes a feature that automatically blocks circulation when reaching a temperature of approximately 95°F (35°C). 1.1 Included Items NaviCirc Installation and Operation (Recirculation Valve) Manual Anchors and Screws Flexible Hoses (with kit only) Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 4: Specifications
Ambient temperature range (Indoor use only) ℉ ℃ Storage temperature range 23 - 122 (-10 - 50 Max water pressure 150 psi Installation operation Horizontal Dimensions (in) 5.62 x 3.93 x 2.19 Weight (lb) 1.10 lb (0.5 kg) Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 5: Compatible Products & Pump Requirements
1.3 Compatible Products & Pump Requirements The NaviCirc is most compatible with Navien NPE-A Series water heaters. NPE-A models may utilize the built-in pump along with the appropriate piping to create a hot water recirculation loop. If the NaviCirc is used on a non-Navien appliance, consult the... -
Page 6: Configuration
1.4 Configuration Refer to the following diagram for the NaviCirc layout. Faucet Faucet hot water cold water connection connection Hot water Cold water inlet inlet connection connection Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 7: Supply Connections
Refer to the following table for the NaviCirc supply connection specifications. Front view Side view List Connection Hot water outlet ½” NPS ½” NPS Cold water outlet ½” NPS Hot water inlet ½” NPS Cold water inlet Dimension (in) 5.62 x 3.93 x 2.19 Supply Connections Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 8: Application System
Down [-] button three times, and then the Up [+] button four more times. Maximum recirculation pipe lengths: Note 100 feet (30 m) equivalent length of ½” copper pipe ● 400 feet (120 m) equivalent length of ¾” copper pipe ● Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... - Page 9 5. Use the Up [+] and Down [-] buttons to enter Parameter #17 (P.17 – Enable Thermal Bypass Valve). Item Name Description Display Enabler thermal Set thermal bypass bypass valve valve operation (Required Adjustments to the Available Parameters) Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...
- Page 10 Setting range: 1 to 120 ● (in 1-minute increments) Pump Cycle Default: 20 min ● Interval Time (P.12) Note When the optional HotButton accessory is installed, the maximum setting value is limited to 5 minutes. Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...
- Page 11 Sampling Time needs to be re-heated. (P.14) Setting range: 1 to 120 ● (in 1-minute increments) Default: 30 min ● Set the 2-way valve inside the water heater to “EXT. ” ● Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...
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Page 12: Npe-A System Diagram
2.1.2 NPE-A System Diagram Follow the instructions to install the NaviCirc to the wall. Navien NPE A Navien NPE A Water heater Water heater HotButton kit* HotButton kit* Wired Wired Wired Wired push button push button push button push butto... - Page 13 *** Expansion tank only required if a check valve is installed on the cold Expansion tank*** Expansion tank*** water supply line or if required by local codes. Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...
- Page 14 Installing the Solenoid Valve (optional) A Navien external pump wire (#GXXX001319) is needed to complete the solenoid valve installation. See the installation guidelines below. 1. Make sure that the system power is off before proceeding with the installation of the wiring.
- Page 15 6. Locate the TB1 connection on the PCB and attach the external pump wire and solenoid valve assembly to this connector. 7. Locate the 10-switch set of dipswitches on the front panel and verify that DIP SW2 is ON for EXTERNAL recirculation. 1-OFF 2-ON 3-OFF Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...
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Page 16: Installing The Navicirc
Follow the instructions to install the NaviCirc to desired faucet location. Use existing hoses (3/8” x 3/8“ or 1/2” x 1/2“) 3/8” to 1/2” adapters Navien flexible hoses (supplied with kit only) (1/2” x 3/8”) 3/8” to 1/2” adaptor Hot and cold water shut off valve (3/8”) -
Page 17: Installing The Navicirc
Do not use Teflon tape or adhesives on the Note NaviCirc ” male orifices. Make sure to use hoses with rubber gaskets. 8. Connect Navien supplied ” to ” flex line or other flexible hose to ” hot and cold shutoff valves with or without the adaptor depending on the existing shutoff valve hose size. -
Page 18: Leak Check & Air Purge
Perform an air purge so that all residual air can Note properly leave the system pipes. If the air purge is not performed long enough, the recirculation valve may not operate properly. Also, residual air can damage the recirculation pump. Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 19: Securing The Navicirc To The Wall
Secure the NaviCirc with the three anchor bolts included with the installation kit. Do not forcefully secure the NaviCirc to the wall with Note anchor bolts, as this can damage the system. Make sure to place it horizontally in a fixed position. Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... -
Page 20: Troubleshooting
The water heater temperature is set ● water tap is too hot. too high. Hot water comes out while NaviCirc is operating properly. ● cold water is being used. NaviCirc malfunction. ● Recirculation temperature cut-off ● Noises after installation. function. Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html... - Page 21 ● Check whether the pump is stuck. ● If NaviCirc is used on a non-Navien appliance, check that the pump is ● properly sized and installed per the manufacturer's instructions. Clean out the water heater filter and the NaviCirc inlet.
- Page 22 The date of original installation must be provided to Navien, and upon request, proof of the original installation date must also be provided to Navien. When the product is installed in a new construction, the commencement date shall be dated upon which the end-user takes title to the property.
- Page 23 Payment for labor in completing the warranty service is subject to Navien’s prior written approval and shall be subject to Navien’s schedule of approved labor allowances. Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...
- Page 24 Installation and Operation Manual Navien, Inc. 20 Goodyear lrvine, CA 92618 TEL 1-800-519-8794 FAX 1-949-420-0430 www.navieninc.com Downloaded from https://gadgetsgo.com/Navien-NaviCirc-30022965A-retrofit-recirc-valve.html...