LAARS IGI-180C-5(N,X) - Service Manual - Manual (Page 9)

9
II - SPECIFICATIONS - GENERAL
Model type RESIDENTIAL COMMERCIAL
Type of appliance Temperature controlled continuous
flow gas hot water system
Operation With / without remote controls, mounted
in kitchen, bathroom, etc.
Exhaust system Direct Vent - Forced combustion
Maximum/Minimum gas rate 180,000 BTU's - 15,000 BTU's Natural Gas
(Input BTU's) 180,000 BTU's - 15,000 BTU's Propane Gas
Hot water capacity, 0.5 to 6.5 GPM
(50°F rise)
Setpoint Temperature Factory setting - 120°F Factory setting - 140°F
(without remote)
Temperature range MC controller : 96 - 160°F
(with remote) BC controller : 96 - 120°F MCC controller : 96-180°F
BSC controller : 96 - 120°F
Approved gas type Natural or Propane - Ensure unit matches
gas supply type.
Installation Indoor Only
Dimensions Height 23 5/8"
Width 13 25/32"
Depth 8 13/16"
Weight 49 Lbs.
Thermal Efficiency rating 0.87 (Propane) 0.82 (Natural)
Noise level 49 dB (A)
Connections Gas supply 3/4" NPT (Male)
Cold water inlet 3/4" NPT (Male)
Hot water outlet 3/4" NPT (Male)
Ignition system Direct electronic ignition
Electrical consumption Operating - 75 watts
Standby - 5.5 watts
Anti-frost protection 100 watts
Water temperature control Simulation feedforward and feedback.
Water flow control Water flow sensor, electronic water control
device, and electronic by-pass control device
Recommended Minimum water
supply pressure 20 PSI (recommend 50-80 PSI for maximum performance)
Maximum water supply pressure 150 PSI