A.O. Smith BTR 151 THRU 201/A warranty Rough-In-Dimensions, Foreword, Heater Performance Data

ROUGH-IN-DIMENSIONS

						FIGURE1
			TABLE 1 - HEATER PERFORMANCE DATA
	Input	Approx.			RECOVERY RATING CAPACITIES (GPH) AT TEMPERATURE RISE SHOWN
	Rate	Tank	Approx.	F	20°F	30°F	40°F	50°F	60°F	70°F	80°F	90°F	100°F	110°F	120°F	130°F	140°F
Model	Btuh	Cap.	Eff. %	C	11°C	17°C	22°C	28°C	33°C	39°C	44°C	50°C	56°C	61°C	67°C	72°C	78°C
BTR-151	150,000 NAT	32 Gal	80	GPH	727	485	364	291	242	208	182	162	145	132	121	112	104
	44 kW/Hr. NAT	121 Litres		LPH	2752	1836	1378	1102	916	787	689	613	549	500	458	424	394
BTR-151	150,000 LP	32 Gal	80	GPH	727	485	364	291	242	208	182	162	145	132	121	112	104
	44 kW/Hr. LP	121 Litres		LPH	2752	1836	1378	1102	916	787	689	613	549	500	458	424	394
BTR-201	199,900 NAT	32 Gal	80	GPH	969	646	485	388	323	277	242	215	194	176	162	149	139
	59 kW/Hr. NAT	121 Litres		LPH	3668	2445	1836	1469	1223	1049	916	814	734	666	613	564	526
BTR-201	182,000 LP	32 Gal	80	GPH	882	588	441	353	294	252	221	196	177	160	147	136	126
	53 kW/Hr. LP	121 Litres		LPH	3339	2226	1669	1336	1113	954	837	742	670	606	557	515	477

FOREWORD

These designs comply with ANSI Z21.10.3 as a Booster type water heater.

Detailed installation diagrams are found in this manual. These diagrams will serve to provide the installer with a reference for the materials and methods of piping necessary. It is highly essential that all water, gas piping and wiring be installed as shown on the diagrams.

Particular attention should be given to the installation of thermometers at the locations indicated on the diagrams as these are necessary for checking the proper functioning of the heater.

The heater is designed to operate on natural gas.

These heaters may be installed on combustible floors.

In addition to these instructions, the equipment shall be installed in accordance with those installation regulations in force in the local area where the installation is to be made. These shall be carefully followed in all cases. Authorities having jurisdiction should be consulted before installations are made.

The installation must conform to these instructions and the local code authority having jurisdiction. In the absence of local codes, the installation must comply with the latest editions of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the National Electrical Code, NFPA 70, documents are available from the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269.

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