lp-445-r4 Rev. 006 Rel. 027 Date 7.21.20
13
K. Technical Specifications
Model
500
700
850
Installation
Indoor, Floor Standing, Fully Condensing
Minimum / Maximum Input (Btu/Hr)
100,000 / 500,000
170,000 / 700,000
170,000 / 850,000
Heating Capacity (MBH)
470
686
799
Flue System
Category IV, Sealed Combustion Direct Vent, Power Vent
Minimum Combined Vent Run
16 feet
Maximum Combined Vent Run
4” (200 feet)
6” (200 feet)
Approved Exhaust Vent Materials
PVC, CPVC, PP, Stainless Steel
Shipping Weight (lbs)
505
580
Gas Supply
Pressure
NG
3.5” to 14” WC
LP
Manifold
Pressure
Min / Max
NG/LP: -0.01” WC
Power Supply
120V 60 Hz, 6.3A
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
Ignition System
Direct Electronic Spark Ignition / Flame Rectification
Burner System
Premixed Fuel Modulation / Stainless Steel Metal Fiber Burner
Gas Valve System
Air Ratio Valve
Dimensions
(in Inches)
W
20.5
H
36
D
46
68.5
Boiler Water Content (Gallons)
4.2
5.8
Minimum Flow Rate @ 30
o
F ∆T (GPM)
33
54
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
75
Control Panel / Main Controller
LCD Display with LED Indicators / 926 SIT Control
Connection
Sizes
Supply / Return
2” NPT
Gas Inlet
1 1/2” NPTF
2” NPTF
Materials
Cabinet
Powder Coated Galvaneal Steel
Heat Exchanger
316L Stainless Steel Water Tube
Safety Devices
Flame Rectifier Probe, Water Temperature High Limit Switch (190
o
F), Freeze Protection,
Condensate Trap with Overflow Switch, Included LWCO (Optional UL 353 LWCO), Blocked Vent
Pressure Switch, Optional Gas High/Low Pressure Switch
Table 2 - Technical Specifications
