Use and Care Manual
11
Table 4 – Technical Specications
PART 3 –TECHNICAL SPECIFICATIONS
Model
120K Heating
(199K DHW) Btu/hr
100K Heating
(180K DHW) Btu/hr
Gas Input Rate
(DHW mode)
MAX 199,000 Btu/h (58.3 kW/h) 180,000 Btu/h (52.7 kW/h)
MIN 18,000 Btu/h (5.2 kW/h) 18,000 Btu/h (5.2 kW/h)
DHW Capacity
35°F Rise 9.9 GPM (37.4 LPM) 9.0 GPM (34 LPM)
45°F Rise 7.7 GPM (29.1 LPM) 7.0 GPM (26.4 LPM)
77°F Rise 4.5 GPM (17 LPM) 4.1 GPM (15.5 LPM)
Gas Input Rate
(Heating mode)
MAX 120,000 Btu/h (35.1 kW/h) 100,000 Btu/h (29.3 kW/h)
MIN 18,000 Btu/h (5.2 kW/h) 18,000 Btu/h (5.2 kW/h)
Installation Indoor Wall Hung
Flue System Sealed Combustion Direct Vent, Single Vent
Max Vent Run 2″(50ft) / 3″(100ft) Schedule 40 PVC, CPVC, PP
Orice Size
NG (Gas / Needle) 0.342″(8.7mm) / 0.354″(9.0mm)
LP (Gas / Needle) 0.259″(6.6mm) / 0.259″(6.6mm)
Gas Supply Pressure
NG 3.5" WC to 10.5" WC (0.87 kPa to 2.62 kPa)
LP 8.0" WC to 14.0" WC (1.99 kPa to 3.49 kPa)
Manifold Pressure
Gas Type NG LP NG LP
Low Fire 2″/ 3″ VENT
-0.04" WC
(-10 Pa)
-0.04" WC
(-10 Pa)
-0.04" WC
(-10 Pa)
-0.04" WC
(-10 Pa)
High Fire 2″/ 3″ VENT
-0.32" WC
(-80 Pa)
-0.28" WC
(-70 Pa)
-0.28" WC
(-70 Pa)
-0.26" WC
(-65 Pa)
Power Supply
Main Supply 120VAC 60Hz
Maximum
Power Consumption
187W(71W+116W Pump) 180W (64W + 116W Pump)
120VAC Max 2A External Pump (Optional)
Ignition System Direct Electronic Ignition / Automatic Flame Sensing
Burner System Premixed Metal Fiber Burner
Gas Valve System Air Ratio Valve
Minimum Flow Activation Flow 0.5 GPM (2 LPM)
Internal Pipe Material STS 304, Copper Tubing
Dimensions W17.3″ – H28.7″ – D14.8″ (W440mm - H730mm - D375mm)
Weight 90lb (40kg)
Water Holding Capacity Under 2 Gallons (7.5 Liters)
Control Panel /Circuit Board
P-960C / NGTX-9600C
Water Pressure
MAX DHW 150 psi (10.5 kgf/cm
2
) / Heating 30 psi (2.1 kgf/cm
2
)
MIN DHW 15 psi (1 kgf/cm
2
) / Heating 12 psi (0.8 kgf/cm
2
)
Materials
Case Cold Rolled Carbon Steel
Heat Exchanger
Primary Heat Exchanger : STS 304
Secondary Heat Exchanger : STS 304
Safety Devices
Flame Sensor, High Limit Switch ,
Gas Leakage Detector
,
Water Leakage Detector
Exhaust Thermistor, Pressure Sensor
Heating Supply Thermistor