
lp-666 Rev. 003 Rel. 001 Date 2.25.20
15
K. Technical Specifications
Table 3 - Technical Specifications
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 Rectification
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 Rectifier 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-Off (LWCO), High Resolution Flow Switch