Instructions / Assembly
Table Of Contents
- Part 1 - General Safety Information
- Part 2 - Before You Start
- Part 3 - Prepare the Boiler
- A. Locating the Boiler
- B. Structure
- C. Leveling
- D. Clearances for Service Access
- E. Wall Mounting Considerations
- F. Wall Mounting Instructions
- G. Residential Garage and Closet Installations
- H. Exhaust Vent and Intake Pipe
- I. Carbon Monoxide Detectors
- J. Prevent Combustion Air Contamination
- K. Removing a Boiler from a Common Vent System
- K. Water Chemistry Requirements*
- L. Technical Specifications
- Part 4 - Piping
- A. General Plumbing Information
- B. Relief Valve
- C. Backflow Preventer
- D. Potable Expansion Tank
- E. Circulators
- F. Hydronic Piping with Circulators, Zone Valves, and Multiple Boilers
- G. Circulator Sizing
- H. Check / Control Water Chemistry
- I. Plumbing
- J. Fill and Purge Heating System
- K. Glycol Antifreeze Solutions
- L. Zoning with Zone Valves
- M. Zoning with Circulators
- N. Multiple Boilers
- O. Applications*
- Part 5 - Venting
- Part 6 - Condensate Removal
- Part 7 - Wiring
- A. Installation Must Comply With
- B. Field Wiring Terminations
- C. Field Wiring
- D. Line Voltage Wiring for Standard Boiler
- E. Alarm Connections
- F. Low Voltage Connections for Standard Boiler
- G. Thermostat
- H. Outdoor Sensor
- I. Indirect Sensor
- J. Optional 0-10 Volt Building Control Signal
- K. Optional UL353 Low Water Cut-Off Interface Kit
- L. Wiring of Cascade System Communication Bus
- M. Cascade Master Pump and Sensor Wiring
- N. Cascade Follower Pump and Sensor Wiring
- Part 8 - Gas Connections
- Part 9 - Start-Up Preparation
- A. Check / Control Water Chemistry
- B. Check for Gas Leaks
- C. Freeze Protection (When Used)
- D. Fill and Test Water System
- E. Purge Air from Water System
- F. Check Thermostat Circuit(s)
- G. Condensate Removal
- H. Final Checks Before Starting Boiler
- I. Setting Up a Single Boiler
- J. Setting Up a Cascaded System
- K. Lockout Condition
- L. Cascade System Programming
- Part 10 - Start-Up Procedure
- Part 11 - Start-Up Procedures for the Installer
- Part 12 - Troubleshooting
- Part 13 - Maintenance
- Part 14 - Shutdown
- Part 15 - Installation Checklist
- Part 16 - Maintenance Report
- Part 17 - Replacement Parts
LP-387 Rev. 011 Rel. 006 Date 6.28.19
14
M. Technical Specications
Model 55 80 110 155 199 285 399
Installation Indoor, Wall Hung, Fully Condensing
Minimum / Maximum Input (Btu/Hr)
11,000 /
55,000
16,000 /
80,000
22,000 /
110,000
31,000 /
155,000
39,800 /
199,000
57,000 /
285,000
79,800 /
399,000
Heating Capacity (MBH) 51 79 102 142 183 262 367*
Flue System Category IV, Sealed Combustion Direct Vent, Power Vent
Minimum Combined Vent Run 16 feet
Maximum Combined Vent Run 3” (200 feet) 3” (150 feet) 4” (200 feet)
Approved Exhaust Vent Materials PVC, CPVC, PP, Stainless Steel
Shipping Weight (lbs) 125 128 130 195 198 203 298
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 Rectication
Burner System Premixed Fuel Modulation / Stainless Steel Metal Fiber Burner
Gas Valve System Air Ratio Valve
Dimensions
(in Inches)
W 17.5 20 25.5
H 32.5 32.6 36.4
D 17.4 20.6 23.6
Boiler Water Content (Gallons) 2.2 2.6 6.2 6.1 7.9
Minimum Flow Rate @ 30
o
F ∆T (GPM) 3.5 5.4 7.0 9.7 12.5 17.9 25.0
Boiler Setpoint Temperature Range 50 – 190
o
F / 32 - 190
o
F (with Outdoor Reset Curve)
DHW Indirect Setpoint Temperature
Range
70 – 180
o
F
Water Pressure
(PSI)
Heat Exchanger
MAWP
30 80
Pressure Relief
Valve
30 80
Control Panel / Main Controller LCD Display with LED Indicators / 926 SIT Control
Connection
Sizes
Supply / Return 1” Copper SWT 1 1/4” Copper SWT
1 1/2” Copper
SWT
Gas Inlet 3/4” NPTF 1” NPTF
Materials
Cabinet Powder Coated Galvaneal Steel
Heat Exchanger S43932 Stainless Steel Fire Tube
Safety Devices
Flame Rectier Probe, Dual Water Supply Temperature Sensor (199
o
F), Water Pressure Switch
(Min. 10 PSI), Freeze Protection, Blocked Condensate Pressure Switch, Condensate Trap with
Float, Flue Temperature High Limit Sensor (210
o
F), Blocked Vent Pressure Switch, Optional UL353
Low Water Cut-O
Table 3 - Technical Specications