A.O. Smith THR-160, Инструкция по установке и руководство по эксплуатации и уходу

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8 • Residen al Gas Tankless Water Heater Use and Care Guide
X3® Models: Comes with the X3 ® Scale Preven on Technology cartridge and pressure relief valve.
M Models: Come with the bypass cartridge installed.
All other speci fi ca ons are the same.
Table 2: - Speci fi ca ons
Model THR-160 THR-180 THR-199
Natural Gas/Propane Input
(Minimum Operating Range)
BTU/h 9,000
Natural Gas/Propane Input
(Maximum Operating Range)
BTU/h 160,000 180,000 199,000
Gas Connection 1/2" NPT
Water Connections 3/4" NPT
Water Pressure* psi (MPa) 15 - 150 (0.1 - 1)
Water Flow Rate gpm (Lpm) 0.26 - 10.5 (1.0 - 39.7), Activation min: 0.4 (1.5)
Natural gas
Inlet Pressure
" W.C. (kPa)
Min 3.5 (0.87)
Max. 10.5 (2.62)
Propane
Inlet Pressure
" W.C. (kPa)
Min 8.0 (1.99)
Max. 13.0 (3.24)
Weight lbs. (kg) 104 (47.2)
Dimensions
(including X3
® )
inch W 16.54 x H 41.78 x D 16.12
cm W 42.00 x H 106.13 x D 40.96
Ignition Electronic Ignition
Electric
Supply 120V, 50Hz/60Hz, <5A
Water Heater Category** Category IV
Maximum Pipe length
(Hot Water supply line and Dedicated
Return line)
Pipe
Diameter
3/4" 500 ft (152.4 m)
1/2" 200 ft (61 m)
*40 psi or above is recommended for maximum flow.
**Water Heater Category - Does not apply to Outdoor or Direct Vent Installations.
Category IV - a water heater that operates with a positive vent static pressure and with a vent gas temperature that may cause
excessive condensate production in the vent.
NOTE:
• Check the rating plate to ensure that this product matches your specifications.
• The manufacturer reserves the right to discontinue, or change at any time, specifications or designs without
notice and without incurring obligation.
WATER HEATER BASICS
SPECIFICATIONS