Navien NP Condensing Tankless Gas Water Heater - Service Manual
Navien NP Condensing Tankless Gas Water Heater - Service Manual
Navien NP Condensing Tankless Gas Water Heater - Service Manual
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3. Technical Data<br />
3.1. General Specifications<br />
Item NR,<strong>NP</strong>-180(A) NR,<strong>NP</strong>-210(A) NR,<strong>NP</strong>-240(A)<br />
Heat Capacity<br />
(Input)<br />
Natural <strong>Gas</strong><br />
LP <strong>Gas</strong><br />
Min: 15,000 Btuh<br />
Max: 150,000 Btuh<br />
Min: 15,000 Btuh<br />
Max: 150,000 Btuh<br />
Min: 17,000 Btuh<br />
Max: 180,000 Btuh<br />
Min: 17,000 Btuh<br />
Max: 180,000 Btuh<br />
Min: 17,000 Btuh<br />
Max: 199,000 Btuh<br />
Min: 17,000 Btuh<br />
Max: 199,000 Btuh<br />
Heat Capacity<br />
(Input)<br />
35°F Rise<br />
45°F Rise<br />
77°F Rise<br />
Dimensions<br />
Weight NR/<strong>NP</strong>-A<br />
Weight NR/<strong>NP</strong><br />
Installation Type<br />
Venting Type<br />
Ignition<br />
<strong>Water</strong> Pressure (min-max)<br />
<strong>Gas</strong> Supply<br />
Pressure<br />
Min. ~ Max.<br />
8.3 Gal/m<br />
6.5 Gal/m<br />
3.8 Gal/m<br />
W17” x H28”x D14”<br />
77 lbs<br />
67 lbs<br />
NG: 6”~10.5” W.C<br />
LP: 9”~13.5” W.C<br />
10.0 Gal/m<br />
7.7 Gal/m<br />
4.5 Gal/m<br />
W17” x H28”x D15”<br />
86 lbs<br />
77 lbs<br />
Indoor / Outdoor Wall-Hung<br />
Forced Draft Direct Vent<br />
Electronic Ignition<br />
15 – 150 PSI<br />
NG: 5”~10.5” W.C<br />
LP: 8”~13.5” W.C<br />
11 Gal/m<br />
8.6 Gal/m<br />
5.0 Gal/m<br />
W17” x H28” x D15”<br />
86 lbs<br />
77 lbs<br />
Manifold <strong>Gas</strong><br />
Pressure<br />
Min.<br />
Max.<br />
NG: 0.4” W.C<br />
LP: 0.8” W.C<br />
NG: 4.9” W.C<br />
LP: 7.6” W.C<br />
NG: 0.4” W.C<br />
LP: 0.8” W.C<br />
NG: 3.5” W.C<br />
LP: 5.9” W.C<br />
NG: 0.6” W.C<br />
LP: 1.0” W.C<br />
NG: 3.7” W.C<br />
LP: 3.7” W.C<br />
Minimum Flow Rate<br />
0 GPM for “A” models (no minimum flow rate requirement);<br />
0.5 GPM for Non-“A” models<br />
Connection Sizes<br />
Recirculation : “A” Model<br />
Cold <strong>Water</strong><br />
3/4” <strong>NP</strong>T<br />
Hot <strong>Water</strong><br />
3/4” <strong>NP</strong>T<br />
Recircualation<br />
3/4” <strong>NP</strong>T<br />
<strong>Gas</strong> Supply<br />
3/4” <strong>NP</strong>T<br />
Temperature<br />
Range (R/C)<br />
Thermisters<br />
Q’ty<br />
98 ~ 140(37 ~ 60)<br />
98 ~ 185(37 ~ 85)<br />
3 Thermisters (In, Out 1, Out 2)<br />
4 Thermisters (In, Out 1, Out 2, Mixing)<br />
Freeze<br />
Protection<br />
Auto Firing System (Internal or External Recirculation)<br />
Ceramic <strong>Heater</strong>s<br />
©<strong>Navien</strong> America Inc. 2010<br />
22<br />
NR/<strong>NP</strong> series service <strong>Manual</strong><br />
Version 2.0
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