Brochure

WHN-04 (Reprint WHN-04 5/15)
PDP-2.5M-9/15-Printed in U.S.A.
Smart System
™
Features
> SMART SYSTEM Digital Operating Control
Multi-Color Graphic LCD Display
with Navigation Dial and Soft Keys
> Three Boiler Setpoint Temperature Inputs
Plus Domestic Hot Water Prioritization
> Built-in Cascading Sequencer for
up to 8 Boilers
Multiple Size Boiler Cascade
Lead Lag
Efficiency Optimization
Front End Loading Capability with Copper Fin II
> Outdoor Reset Control with Outdoor
Air Sensor
Programmable for Three Reset
Temperature Inputs
> Programmable System Efficiency Optimizers
Night Setback
DHW Night Setback*
Anti-Cycling
Outdoor Air Reset Curve
Ramp Delay
Boost Temperature & Time
> Three Pump Control
System Pump with Parameter for
Continuous Operation
Boiler Pump with Variable Speed
Pump Control*
Domestic Hot Water Pump
> Domestic Hot Water Prioritization
DHW tank piped with priority in
the boiler loop
DHW tank piped as a zone in the
system with the pumps controlled
by the Smart System
DHW Modulation Limiting
Separately Adjustable Space Heat/DHW
Switching Times*
> Building Management System Integration
0-10 VDC Input to Control Modulation
or Set Point
0-10 VDC Modulation Rate Output
0-10 VDC Input to Enable/Disable call for heat
> Access to BMS Settings through Graphic
LCD Display
> High-Voltage Terminal Strip
120 VAC / 60 Hertz / 1 Phase Power Supply
Three Sets of Pump Contacts
> Low Voltage Terminal Strip
24 VAC Device Relay
Proving Switch Contacts
Flow Switch Contacts
Alarm on Any Failure Contacts
Runtime Contacts
DHW Thermostat Contacts
3 Space Heat Thermostat Contacts
System Sensor Contacts
DHW Tank Sensor Contacts
Outdoor Air Sensor Contacts
Cascade Contacts
0-10 VDC BMS External Control Contact
0-10 VDC Boiler Rate Output Contacts
0-10 VDC Variable Speed System Pump Signal
Input*
0-10 VDC Signal to Control Variable
Speed Boiler Pump*
Modbus Contacts
> Time Clock
> Data Logging
Hours Running, Space Heating
Hours Running, Domestic Hot Water
Ignition Attempts
Last 10 Lockouts
> Maintenance Reminder
Custom Maintenance Reminder with Contractor
Contact Information
Installer Ability to De-activate
Service Reminder
> Low-Water Flow Safety Control & Indication
> Password Security
> Customizable Freeze Protection Parameters
Standard Features
> ENERGY STAR Most Efficient Recognition
§
> 95% DOE AFUE Efficiency
§
> Modulating Burner with 5:1 Turndown
Direct-Spark Ignition
Low-NOx Operation
Field Convertible from Natural to LP Gas
> ASME Stainless Steel Heat Exchanger
30 psi ASME Relief Valve
> Vertical & Horizontal Direct-Vent
PVC, CPVC, Polypropylene or SS Venting up to
100 feet
> Smart System Control
> Condensate Trap
> Other Features
Automatic Reset High Limit
Adjustable High Limit w/Manual Reset
Boiler Circulating Pump
Wall-Mount Bracket
Zero Clearances to Combustible Materials
12-Year Limited Warranty
(See Warranty for Details)
2-Year Parts Warranty
Optional Equipment
CON·X·US Remote Connectivity
Modbus Communication
Flow Switch
Low-Water Cutoff w/Manual Reset & Test
Alarm Bell
Concentric Vent Kit
SMART SYSTEM PC Software
Condensate Neutralization Kit
BMS Gateway to LON or BacNet
Multi-Temperature Loop Control
Sidewall Vent Termination
Floor Stand
Wireless Outdoor Sensor
Firing Codes
> M9 Standard Construction
> M7 California Code
* Exclusive feature, available only from Lochinvar
§ WHN 55-285 only
Input Heating
Model Max. Min. *AFUE Capacity Net
Number MBH MBH % MBH MBH
WHN055 55 11 95.0 51 44
WHN085 85 17 95.0 79 69
WHN110 110 22 95.0 102 89
WHN155 155 31 95.0 144 125
WHN199 199.9 40 95.0 185 161
WHN285 285 57 95.0 264 229
WHN399 399 80 94.4 377 328
A B C D E F G H I J K L M N O Gas Water Air Vent Shipping
Conn. Conn. Inlet Size Wt. (lbs.)
33-1/4” 18-1/2” 16” 11-3/4” 10-1/2” 6-1/2” 4” 1-1/2” 3” 14-1/2” 5-3/4” 4” 3” 16-1/4” 5” 1/2” 1” 2” 2” 139
33-1/4” 18-1/2” 16” 11-3/4” 10-1/2” 6-1/2” 4” 1-1/2” 3” 14-1/2” 5-3/4” 4” 3” 16-1/4” 5” 1/2” 1” 2” 2” 142
33-1/4” 18-1/2” 19” 14-1/2” 10-3/4” 7-3/4” 7-3/4” 2-1/4” 10” 15-1/2” 5” 3-1/4” 3” 16-1/2” 2-3/4” 1/2” 1” 3” 3” 159
33-1/4” 18-1/2” 19” 14-1/2” 10-3/4” 7-3/4” 7-3/4” 2-1/4” 10” 15-1/2” 5” 3-1/4” 3” 16-1/2” 2-3/4” 1/2” 1” 3” 3” 166
33-1/4” 18-1/2” 19” 14-1/2” 11-3/4” 8” 8” 1-1/4” 10” 16-3/4” 4-3/4” 3-1/4” 2-3/4” 16-1/2” 3” 1/2” 1-1/4” 3” 3” 175
33-1/4” 18-1/2” 19” 14-1/2” 11-3/4” 8” 8” 1-1/4” 10” 16-3/4” 4-3/4” 3-1/4” 2-3/4” 16-1/2” 3” 1/2” 1-1/4” 3” 3” 184
35-1/2” 25” 21-3/4” 17-1/2” 12-1/2” 9-1/4” 9-1/2” 2-1/4” 13-1/4” 21-1/2” 9” 4-3/4” 4” 22-1/2” 3-3/4” 3/4” 1-1/2” 4” 4” 213
Notes: Indoor installation only. All information subject to change. Change "N" to "L" for LP gas models. *WHN399 value is Thermal Efficiency
Knight Heating Boiler Dimensions and Specifications
Knight
®
®
Wall-Mount Boiler Dimensions and Specifications
Patent Pending
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Lochinvar, LLC
300 Maddox Simpson Parkway
Lebanon, Tennessee 37090
P: 615.889.8900 / F: 615.547.1000
Lochinvar.com