Rheem Water Heater GT 199DV User Guide

RHEEM-RUUD COMMERCIAL TANKLESS  
COMMERCIAL TANKLESS SERIES  
Endless hot water for high-volume use  
GT-199PV indoor, GT-199X outdoor and GT-199DV  
indoor direct vent natural and LP models –  
19,900 - 199,900 BTU max.  
8.5 gal./min at 35° F rise max., 7.4 gal./min. at 45° F rise  
Limited Warranty:  
5-Year on heat exchanger and parts, 1-Year on labor  
See Commercial Warranty Information Brochure for complete warranty information.  
GT-199 units are specifically designed for commercial applications  
UMC-117 remote control is included – up to a 180 degree maximum  
EZ-Linkcable available for high demand applications to connect  
two tankless units to operate as one  
Exclusive! All Rheem models can be linked in up to 20 unit manifold installations  
by using the optional MIC-180 and MICS-180 manifold control assembly  
Exclusive! Guardian SBTsensing burner technology  
Exclusive! Guardian OFWoverheat film wrap  
Exclusive! Two high-altitude options – up to 6,560 or 9,840 ft. elevations  
above sea level (altitude chip required – sold separately)  
GT-199 COMMERCIAL  
INDOOR DIRECT VENT  
All Rheem tankless models are third-party efficiency certified by GAMA  
Continuous hot water, energy saving and compact, space saving design  
Intelligent electronic controls designed to increase energy efficiency  
and safety  
Self diagnostic program  
Digital display shows temperature setting and maintenance codes  
Built-in electric blower  
Indoor units use Category III stainless steel vents and vent horizontally  
or vertically  
GT-199 COMMERCIAL  
OUTDOOR  
Indoor models supplied with a 120 volt power cord  
Environmentally friendly Low NOx burner meets SCAQMD  
rule 1146 requirements  
Installation vent kits available – sold separately  
Indoor and outdoor models feature freeze protection to -30°F  
GT-199 COMMERCIAL  
INDOOR  
Tankless water heaters  
Endless hot water  
See reverse for specifications.  
 
COMMERCIAL TANKLESS SERIES  
MAXIMUM HOT WATER FLOW RATE AND TEMPERATURE RISE  
CLEARANCE TO  
COMBUSTIBLES (inches)  
Temp. Rise (°F)  
35  
45  
50  
60  
70  
77  
90  
3.7  
100  
3.3  
110  
3.0  
120  
2.8  
130 140  
2.6 2.4  
FRONT  
Water Flow (GPM)  
8.5  
7.4  
6.6  
5.5  
4.7  
4.3  
MODEL  
NUMBER  
TOP &  
SIDE REAR BOTTOM  
Minimum flow rate required to initiate heating cycle .66 gpm.  
Above estimates are for sizing purposes only.  
GT-199PV 1/2  
GT-199X 1/2  
GT-199DV 1/2  
0
0
0
12  
12  
12  
Water Heater Flow Rate Curves  
9
8
7
6
5
4
3
2
1
0
Max Flow  
10  
15  
20  
25  
30  
35  
40  
45  
50  
55  
60  
70  
80  
90  
100 120 140  
Delta-T  
RHEEM-RUUD GT-199 MANIFOLD INSTALLATIONS  
FLOW RATE (GPM)  
TEMP.  
RISE (°F)  
140  
130  
120  
110  
100  
90  
1 UNIT  
2.4  
2.6  
2.8  
3.0  
3.3  
3.7  
4.1  
4.3  
4.7  
5.5  
6.6  
7.4  
8.5  
2 UNITS  
4.7  
5 UNITS  
11.9  
12.8  
13.8  
15.1  
16.6  
18.4  
20.7  
21.5  
23.7  
27.7  
33.2  
36.9  
42.5  
10 UNITS  
23.7  
25.5  
27.7  
30.2  
33.2  
36.9  
41.5  
43.1  
47.4  
55.3  
66.4  
73.7  
85.0  
15 UNITS  
35.6  
20 UNITS  
47.4  
51.1  
55.3  
60.3  
66.4  
73.7  
83.0  
86.2  
5.1  
38.3  
5.5  
41.5  
6.0  
45.3  
6.6  
49.8  
7.4  
55.3  
80  
77  
70  
60  
50  
45  
35  
8.3  
62.2  
8.6  
64.6  
9.5  
71.1  
94.8  
11.1  
13.3  
14.7  
17.0  
83.0  
99.6  
110.6  
127.5  
110.6  
132.7  
147.5  
170.0  
 
COMMERCIAL TANKLESS SERIES  
ACCESSORIES FOR MULTI-UNIT MANIFOLD INSTALLATIONS  
# OF WATER HEATERS  
2
3 TO 6  
ACCESSORIES  
N/A  
7 TO 20  
PART NO.  
RTG20040  
DESCRIPTION  
EZ-LinkCable  
1
N/A  
1
RTG20126A MIC-180 Main Communication  
PCB w/ Manifold Control Box  
N/A  
1
RTG20126B MICS-180 Extended Communications PCB  
RTG20126C MIC-K-16 Communications Cable (16 ft.)  
RTG20126D MIC-K-32 Communications Cable (32 ft.)  
RTG20126E MIC-K-65 Communications Cable (65 ft.)  
N/A  
N/A  
N/A  
N/A  
N/A  
1
3 to 6  
3 to 6  
3 to 6  
7 to 20  
7 to 20  
7 to 20  
Extensive Manifold Capacity  
Up to 20 of the Commercial Tankless units can be linked in a manifold configuration  
to meet the hot water needs of larger applications.  
These units are designed to meet or exceed ANSI (American National  
Standards Institute) requirements and have been tested according to  
D.O.E. test procedures and meet or exceed the energy efficiency  
requirements of NAECA, ASHRAE standard 90, ICC Code and all state  
energy efficiency performance criteria for energy consuming  
appliances.  
Before purchasing this appliance, read important energy cost and  
efficiency information available from your supplier.  
In keeping with its policy of continuous progress and product improvement,  
Rheem reserves the right to make changes without notice.  
Rheem Heating, Cooling & Water Heating  
101 Bell Road • Montgomery, AL 36117-4305  
RHEEM-RUUD  
CARRIES A COMPLETE LINE  
OF COMMERCIAL WATER HEATERS  
TO SUIT ANY APPLICATION.  
Rheem Canada Ltd./Ltée • Water Heater Division  
128 Barton Street West, Hamilton, Ontario L8N 3P3  
Rheem manufactures residential & commercial heating,  
cooling & water heating products.  
Printed in U.S.A.  
07/08 WP  
Form No. RR101-50  
 

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