lp-666 Rev. 003 Rel. 001 Date 2.25.20
15
K. Technical Specications
Table 3 - Technical Specications
Model 400 500 650 800 1000 1500 2000
Installation Indoor, Floor Standing, Fully Condensing
Minimum / Maximum Input (Btu/Hr) 39,900 / 399,000 50,000 / 500,000 65,000 / 650,000 80,000 / 800,000
100,000 /
1,000,000
150,000 /
1,500,000
200,000 /
2,000,000
Heating Capacity (MBH) 387 485 630 776 970 1,455 1,940
Flue System Category IV, Sealed Combustion Direct Vent, Power Vent
Minimum Combined Vent Run 10 feet 15 feet
Maximum Combined Vent Run 4” (125 feet) 6” (125 feet) 8” (150 feet)
Approved Exhaust Vent Materials PVC, CPVC, PP, Stainless Steel
Packaging
Dimensions
(in Inches)
W 32.25 43.25
H 49.625 64.25
D 48 64 76 86
Shipping Weight (lbs) 538 545 680 700 745 1400 1750
Gas Supply Pressure 3.5” to 14” WC (NG or LP)
3.5” to 10.5” WC (NG
ONLY)
Manifold Pressure Min / Max NG/LP: -0.08” WC NG: -0.07” WC
Power Supply 120V 60 Hz, 21.3A
208/3PH
WYE, 60Hz,
15A/Leg
Customer Connection Board Fuse
Amperage Ratings
2 Amps 5 Amps
General Operating Conditions
Ambient Temperature Range: 33 – 104
o
F (0.6 – 40
o
C)
Product Approvals and Requirements: ANSI Z21.13 / CSA 4.9, CSD-1 ASME Code
Ignition System Direct Electronic Spark Ignition / Flame Rectication
Burner System Premixed Fuel Modulation / Stainless Steel Burner
Gas Valve System Pneumatic Gas Valve
Dimensions
(in Inches)
W 26 31.8
H 41 60.8
D 40.7 56.5 66.5 79
Boiler Water Content (Gallons) 3.8 4.3 5.6 6.6 8.1 12.9 16.25
Minimum Flow Rate @ 20
o
F ∆T at
Low Fire (GPM)
4 5 6.5 8 10 15 20
Flow Switch Activation (GPM) 4 9
Boiler Setpoint Temperature Range 50 – 190
o
F / 32 - 190
o
F (with Outdoor Reset Curve)
DHW Indirect Setpoint Temperature
Range
70 – 185
o
F
Water Pressure
(PSI)
Heat Exchanger
MAWP
160
Pressure Relief
Valve
50
Control Panel 7” Full Color Touch Screen
Main Controller 928 SIT Control
Connection Sizes
Supply / Return 2” NPT 2 1/2” Flange
Gas Inlet 1” NPT 1 1/4” NPT 1 1/2” NPT 2” NPT
Materials
Cabinet Powder Coated Galvaneal Steel
Heat Exchanger 316L Stainless Steel Water Tube
Safety Devices
Flame Rectier Probe, Dual Water Supply Temperature Sensor / High Limit (210
o
F), Freeze Protection, Condensate
Trap with Float, Dual Flue Sensor (210
o
F), Blocked Vent Pressure Switch, Internal UL 353 Approved Low Water
Cut-O (LWCO), High Resolution Flow Switch