State GTS-520-NIH User Manual

RESIDENTIAL /

LIGHT COMMERCIAL

TANKLESS HIGH EFFICIENCY CONDENSING INDOOR MODELS

GTS-520-NIH GTS-520-PIH

FEATURES

Condensing Technology Provides Significant Energy Cost Savings

Primary Heat Exchanger is Constructed of HRS35 Commercial-Grade Copper

• Stronger than standard copper and more resilient against erosion

Secondary Heat Exchanger is Made of Type 316L Stainless Steel

• Provides additional protection against corrosion

Continuous Maximum Flow Ratesupto9.0GPM

Can be Used for Both Residential and Light Commercial Applications

ENERGY STAR

Easy-Link Up to 4 Units

• With no additional parts or accessories needed

Electronic IgnitionNo Pilot Light

Qualified

Low NOx Emissions

Complies with Lead Plumbing Law

Safety Features:

• Air-Fuel Ratio (AFR) Sensor

• Exhaust & Water Temperature Safety Control

• Overheat Cutoff Fuse

Internal Freeze Protection System

Power Direct Vent Design

• 4"PipeVentsupto50 Equivalent Feet or 3" Pipe Vents up to 25 Equivalent Feet

• Uses Inexpensive PVC, CPVC, or ABS Pipe for Venting (solid core only). Canadian Installations Require ULCS636 Listed PVC or CPVC Pipe for Venting.

• Category III Stainless Steel Venting can also be used

Accessories

• Remote T emperatur e Controller

• Pipe Cover

• Neutralizer Kit

• Plumbing Installation Kits

• PVC Intake Adaptor

• Concentric Termination

Built-In Display Shows Operating Temperature

ANSI Z21.10.3 CSA 4.3

Along with Diagnostic and Error Codes

Outdoor Models include Remote Control as a standard feature

Indoor Models include both a Remote Control and Power Cord as standard features

For more information on Tankless Condensing Units, contact:

State Water Heaters 500 Tennessee Waltz Parkway Ashland City, TN 37015

1-877-737-2840 Toll-free USA www.statewaterheaters.com

Warranty

• 12-year limited warranty on heat exchanger in residential applications

• 5-year limited warranty on heat exchanger in commercial applications

• 5-year warranty on all parts

SRGSS03110 Revised March 2012

INDOOR CONDENSING MODELS

RESIDENTIAL /

LIGHT COMMERCIAL

GAS CONSUMPTION INPUT INLET GAS PRESSURE

MODEL

NUMBER

FUEL TYPE

MINIMUM

BTU/H

MAXIMUM

BTU/H

MINIMUM

W.C .

MAXIMUM

W.C . HEIGHT WIDTH DEPTH

All dimension in inches. 15-150 psi Water Pressure. 40 psi or above recommended for maximum flow.

12-1/2" (316mm)

6-1/4" (161.5mm)

1/2" (12.5mm)

GAS 6" (153.6mm)

HOT 7-1/4" (182.1mm)

120VAC 8-1/2" (216.3mm)

COLD 8-5/8" (220.6mm)

10-1/2" (266.8mm)

Condensate Drain Port

25-1/2" (649mm)

Male Ø4" (100.8mm)

6-5/8" (168.4mm)

120VAC 2-1/4" (58.2mm)

HOT 5-5/8" (142.2mm)

CLEARANCES: Top: 12”; Bottom: 12”; Front: 4”; Back: .05”; Sides: 3”

ENERGY FAC TOR

0.91

2-3/4" (69.1mm) INTAKE

HOT/COLD

GAS CONN.

18-1/2" (470mm)

12-1/2" (320mm)

DIMENSIONS IN INCHES

25-3/5

18-1/2 12-2/5

3-1/2" (90mm)

Ø4" (102mm) Female

3/4" (18.8mm)

2-3/4" (71.8mm) EXHAUST

1-1/4" (29.2mm) COLD

4-5/8" (116.8mm) GAS

6-1/4" (159.1mm)

Condensate Drain Port

APPROX.

SHIPPING

WEIGHT

(LBS)

29-1/2" (751mm)

Flow Rate vs. Temperature Rise

10.0

9.0

8.0

7.0

6.0

5.0

4.0

3.0

Flow Rate (gpm)

2.0

1.0

0.0

0 20406080100120

Temperature Rise (°F)

140

Pressure Loss

Pressure Loss (psi)

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0

Flow Rate (gpm)

120

100

Head Feet

Set Temperature : 125°F & lower

Set Temperature: 130

F & Higher

For complete information on limited warranties, consult written warranty or contact technical support at 1-877-737-2840.

State Industries, Inc., reserves the right to make product changes or improvements without prior notice.

For more information on Tankless Condensing Units, contact:

State Water Heaters 500 Tennessee Waltz Parkway Ashland City, TN 37015

1-877-737-2840 Toll-free USA www.statewaterheaters.com

SRGSS03110 Revised March 2012

Printed in U.S.A