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Installation Procedures
Assembling the foot bar
A
Note
The post bar may be damaged if excessive torque is applied when you tighten the M10 bolts. The maximum torque allowed
when tightening the M10 bolts is 10 N-m, or 7 ft-lb.
Assembling the upper bar
B
NHB, NPE, NCB, NFB, NFC Series
NPN Series
Note
The post bar may be damaged if excessive torque is applied when you tighten the M10 bolts. The maximum torque allowed
when tightening the M10 bolts is 10 N-m, or 7 ft-lb.
1. Place a base frame on the ground
and place a post bar upright in the
middle of a base frame.
2. Affix 2 fixed bracket (under) with
8 tapping tapping screws
(washers set, 5x12).
3. Repeat steps 1 and 2 to make the
second foot bar.
4. Affix 2 reinforcement plates to the
inside and outside of a foot bar
with 5 M10 bolts (3 in).
5. Repeat step 4 for the other foot
bar.
For the NHB, NPE, NCB, NFB, NFC Series:
1. Place a fixed bar between the top of the 2
post bars and affix 2 fixed brackets (upper)
with 6 M10 bolts (3 in) to attach the upper bar.
2. Affix the mounting bracket supplied with the
water heater or boiler to the middle of the
upper bar where the product will be attached
with 2 tapping screws (washers set, 5x12) and
2 M10 bolts (2.8 in).
3. Back-to-back Option: To mount water heaters
or boilers using the back-to-back setup, affix
Back-to-back
Option
the mounting bracket to the back side of the
upper bar.
For the NPN Series:
1. Place a fixed bar between the top of the 2
post bars and affix 2 fixed brackets (upper)
with 6 M10 bolts (3 in) to attach the upper bar.
2. Tighten the tapping screw (5x12) to the screw
hole in the middle of the upper fixed bar.
Ensure that the screw is not fully tightened so
that the upper mounting bracket of the NPN
water heater can hang on the screw.
3. Back-to-back Option: Repeat step 2 on the
rear side of the fixed bar.
Assembling the middle bar
C
NHB/NPN
●
series
Fixing the frame to the location
Note
Although the floor mounting hardware is not included with this kit, you must fix the Ready-Link-Rack securely to the floor
to complete installation. Use appropriate anchor bolts (3/8 in) to fix the frame to the ground. Before fixing the frame to the
ground using anchor bolts, ensure that the anchor bolts protrude above the surface of the ground by at least 2 in (50 mm).
5
7
6
8
Attaching a water heater or boiler to the frame
For the NHB/NPE/NCB/NFB/NFC Series:
1. Align the grooves on the back of the water heater
or boiler with the tongues on the mounting bracket
and hang the water heater or boiler on the bracket.
1
1
2
2. Secure the water heater or boiler to the frame
with the M10 bolt set (2.8 in).
For the NPN Series:
1
2
1. Hang the NPN water
heater's upper mounting
3
bracket on the tapping
screw (5x12).
3. Secure the water heater to the
2. Affix the bracket using
middle fixed bar through the
two M10 bolts (2.8 in).
NPN bracket at the bottom of
the water heater with one M10
bolt set (2.8 in).
Place a fixed bar between the middle of the
2 post bars and 4 fixed brackets (middle) with
NHB/NPN series
6 M10 bolts (3 in) to attach the middle bar.
NFC series
Note
NPE/NCB/
Depending on the boiler or water heater
NFB series
models, the screws and bolts are tightened
to the different holes of the post bar and
NFC series
fixed brackets (middle) differently. Refer to
NHB/NPE/NCB/
the following illustrations for the proper
NFB/NPN series
hole locations used for each model.
NPE/NCB/
NFC series
●
●
NFB series
1. Ensure that all screws and bolts are tightened securely.
2. Fix the frame to the ground with appropriate anchor bolts.
WARNING
Ensure that the floor is flat and strong enough to support the
●
water heater or boiler and frame when all preparations for
operation are complete.
Ensure that the frame is fixed securely as property damage,
●
personal injury, or death may result if the frame falls.
Attaching an extension kit
Refer to the instructions on pages 5 to 8 to connect an
additional extension rack to the single frame with the fixed
brackets and M10 bolts (3 in).
CAUTION
Check the surfaces of the water heater/boiler and rack
for any scratches or chipping paint. If any of the coating
is removed, rust may develop and possibly affect the
lifespan of the rack. Recoat any areas where the coating is
removed or scratched.
Navien Inc.
20 Goodyear lrvine, CA 92618
TEL +800-519-8794 FAX +949-420-0430
www.navien.com
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