Service manual

II - SPECIFICATIONS – GENERAL
Type of appliance Temperature controlled continuous flow gas hot water system
Operation With/without remote controls
Exhaust system Direct Vent - Forced combustion
Model Type Residential Commercial
Maximum/Minimum
gas rate (Input Btu's)
199,000 Btu's – 15,000 Btu's Natural gas
199,000 Btu's – 15,000 Btu's Propane Gas
Thermal Efficiency Natural Gas 84% Propane Gas 85%
Energy Factor (EF) Natural Gas 0.82 Propane Gas 0.84
Capacity (Gallons 1st Natural Gas 218 Propane Gas 227
Hour @ 90°F rise)
NOx Emissions (at 3% 02) Less than 40 ppm
Hot water capacity (50°F rise) 0.5 to 6.5 GPM's
Setpoint Temperature Factory setting - 120°F
(without remote)
Temperature range
BC-45-4US 96 - 120°F MCC-45-4US 96 - 160°F
with remote keypads connected BSC-45-4US 96 - 120°F
MC-45-4US 96 - 180°F
Approved gas type Natural or Propane – Ensure unit matches gas supply type.
Installation Outdoor installation ONLY
Dimensions Height 23
5
⁄8"
Width 13
3
⁄4"
Depth 8
7
⁄8"
Weight 46 Lbs.
Noise levels 49 dB's
Connections Gas supply
3
⁄4" MNPT
Cold water inlet
3
⁄4" MNPT
Hot wat
er outlet
3
⁄4" MNPT
Ignition system Direct electronic ignition
Electrical consumption Operating 63 watts
Standby 5.5 watts
Anti-frost protection 84 watts
Water temperature control Simulation feedforward and feedback
Water flow control Water flow sensor and automatic electro-mechanical water
control device
Recommended Minimum water
supply pressure 20 PSI (recommend 50-80 PSI for maximum performance)
Maximum water supply pressure 150 PSI
9