Lochinvar SNA500-125 User Manual

SHIELDTM WATER HEATER PRODUCT

S(N,L)(R,A) 150,000 - 500,000 BTU/HR

SNR150-100 SNR200-100 SNA285-125 SNA400-125 SNA500-125

WATER

GALLON CAPACITY 93 93 125 125 125
ASME CERTIFICATION HLW HLW HLW HLW HLW
WATER CONNECTIONS 1-1/2" 1-1/2" 2” 2” 2”
DRAIN 3/4” 3/4” 3/4” 3/4” 3/4”
MAX. WORKING PRESSURE (PSI) 150 150 150 150 150
MAX. WATER HARDNESS (GRAINS) 25 25 25 25 25
GPH @ 70°F RISE 249 331 474 663 831
GPH @ 100°F RISE 175 233 332 465 582
GPH @ 140°F RISE 125 165 237 332 416
# OF RELIEF VALVES (Factory Supplied) 1 1 1 1 1
RELIEF VALVE SIZE (CPVC SDR11) 3/4” 3/4” 3/4” 3/4” 3/4”
RELIEF VALVE RATING (MBH) 500 500 500 500 1,912
RELIEF VALVE PRESSURE RATING (PSI) 150 150 150 150 150
RELIEF VALVE TEMPERATURE RATING (°F) 210 210 210 210 210

GAS

INLET CONNECTION 1/2” 1/2” 3/4” 1” 1”
MAX. INLET PRESSURE, NAT 14" 14" 14" 14" 14"
MIN. INLET PRESSURE, NAT 4.0” w.c. 4.0” w.c. 4.0” w.c. 4.0” w.c. 4.0” w.c.
MAX. INLET PRESSURE, LP 14" 14" 14" 14" 14"
MIN. INLET PRESSURE, LP 8.0” w.c. 8.0” w.c. 8.0” w.c. 8.0” w.c. 8.0” w.c.
BTU/HR INPUT 150,000 199,999 285,000 399,999 500,000

ELECTRICAL

VOLTAGE 120 120 120 120 120
VOLTAGE/CONTROL 24 24 24 24 24
TOTAL AMPS 3.0 3.2 4.5 6.5 6.7
# OF ELECTRICAL CONNECTIONS 1 1 1 1 1

DIMENSIONS

HEIGHT 80" 80" 80" 80" 80"
WIDTH 28" 28" 34" 34" 34"

SERVICE CLEARANCES

FRONT 24” 24” 24” 24” 24”
RIGHT SIDE 24” 24” 24” 24” 24”
TOP 18" 18" 18" 18" 18"

VENT

SIZE 3” 3” 4” 4” 4”
MAXIMUM LENGTH 100' 100' 100' 100' 100'
VENT CATEGORY IV IV IV IV IV
VENT MATERIAL PVC PVC PVC PVC PVC

Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]

SW-PS-03 2/09-Printed in U.S.A.

www.Lochinvar.com