Lochinvar KHL085 User Manual

KNIGHT

GAS CONNECTION

WATER INLET

CONDENSATE
DRAIN

WATER OUTLET

LOW-VOLTAGE
ELECTRICAL
CONNECTIONS

AIR INLET

HIGH-VOLTAGE
ELECTRICAL
CONNECTIONS

2-7/8"

2-3/4"

43-3/8"

16"

19"

FLUE

D

E

B

A

F

G

H

I

J

1/4" - 1-1/4"

ADJUSTABLE

C

FIRE TUBE BOILER

Submittal Sheet

KHN-Sub-01

KNIGHT FIRE TUBE BOILER

JOB NAME ______________________________________________________________________
LOCATION _____________________________________________________________________
ENGINEER______________________________________________________________________
WHOLESALER __________________________________________________________________
CONTRACTOR __________________________________________________________________
MODEL NO. _____________________________________________________________________
TYPE GAS ______________________________________________________________________
EQUIPMENT TAG________________________________________________________________
NOTES

Input MBH

Model

Number

KHN055 8.3 55 95 51 44 6" 8-3/8" 11-1/8" 10-1/2" 13-1/4" 37-1/2" 32-5/8" 32-1/4" 13-1/4" 3-3/8" 1/2" 1" 2" 2" 160
KHN085 8.5 85 95 79 69 6" 8-3/8" 11-1/8" 10-1/2" 13-1/4" 37-1/2" 32-5/8" 32-1/4" 13-1/4" 3-3/8" 1/2" 1" 2" 2" 165
KHN110 11 110 95 102 89 7-3/8" 9-3/4" 11-1/8" 10-5/8" 14-5/8" 37-3/4" 33" 32-1/2" 14" 4-5/8" 1/2" 1" 3" 3" 170
KHN155 15.5 155 95 144 125 7-3/8" 9-3/4" 11-1/8" 10-5/8" 14-5/8" 37-3/4" 33" 32-1/2" 14" 4-5/8" 1/2" 1" 3" 3" 175
KHN199 19.9 199.9 95 185 161 7-1/2" 10-1/2" 11-1/8" 11-5/8" 15-3/8" 38" 33" 32-3/4" 14" 4-5/8"
KHN285 28.5 285 95 264 229 7-1/2" 10-1/2" 11-1/8" 11-5/8" 15-3/8" 38" 33" 32-3/4" 14" 4-5/8" 1/2" 1-1/4" 3" 3" 205

*Information subject to change without notice. Change “N” to “L” for LP gas models.

AFUE%

Heating

Capacity

MBH

Net

MBH

Gas

Water

Connect.

Connect.

1/2" 1-1/4" 3" 3" 195

Air

Inlet

Vent
Size

Shipping

WeightMin Max A B C D E F G H I J

Firing Codes

M9 Standard Construction
M7 California Code

Smart System™ Features

> Smart System Digital Operating Control

Multi-Color Graphic LCD Display w/Navigation Dial,

Soft Keys and Loch-N-Link™ USB programming

> Three Boiler Setpoint Temperature Inputs

Plus Domestic Hot Water Prioritization

> Built-in Cascading Sequencer for up to 8 Boilers,

with Cascade Redundancy

Multiple Size Boiler Cascade
Lead Lag
Efficiency Optimization
Front End Loading Capability

> Outdoor Reset Control with Outdoor Air Sensor

Programmable for Three Reset Temperature Inputs

> Programmable System Efficiency Optimizers

SH Night Setback
DHW Night Setback
Anti-Cycling
Outdoor Air Reset Curve
Ramp Delay
Modulation Factor Control
Boost Temperature & Time

> Four Pump Control

System Pump with Parameter for Continuous

Operation
Boiler Pump with Variable Speed Control
Domestic Hot Water Pump
Domestic Hot Water Recirculation

> 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 Setpoint
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

DHW Recirculation Pump Start/Stop
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 Product
> 95% DOE AFUE Efficiency
> Modulating Burner with up to 10:1 Turndown

Direct Spark Ignition
Low NOx Operation

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
Zero Clearances to Combustible Materials
12-Year Limited Warranty (See Warranty for

Details)

5-Year Limited Parts Warranty

Optional Equipment

CON·X·US® Remote Connectivity
Modbus Communication

BACnet MSTP
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 IP
Multi-Temperature Loop Control
Sidewall Vent Termination
Wireless Outdoor Sensor

LP Gas Conversion Kit

Lochinvar, LLC
300 Maddox Simpson Parkway
Lebanon, Tennessee 37090
P: 615.889.8900 | F: 615.547.1000

Lochinvar.com

10/15—Printed in U.S.A.