>
Low Voltage Terminal Strip
>
24 VAC Auxiliary Device Relay
>
Auxiliary Proving Switch Contacts
>
Flow Switch Contacts
>
Alarm on Any Failure Contacts
>
Runtime Contacts
>
DHW Thermostat Contacts
>
Room Thermostat Contacts
>
System Sensor Contacts
>
DHW Tank Sensor Contacts
>
Outdoor Air Sensor Contacts
>
Cascade Contacts
>
0-10 VDC BMS External Control Contact
Optional Equipment
>
Alarm Bell on Any Failure
>
Condensate Neutralization Kit
>
High & Low Gas Pressure Switches w/ Manual
Reset (KB500-KB800)
>
Low Water Cutoff w/Manual Reset & Test
>
SMART SYSTEM PC Software
>
Stainless Steel Vent Kits (KB700-KB800)
>
Multi-Stack Frame
Firing Codes
>
M9 Standard
Construction
>
M7 California
Code
>
M13
CSD1 / FM / GE Gap (KB500-KB800)
Standard Features
>
Up to 94.6% Thermal Efficiency
>
Modulating Burner with 5:1 Turndown
>
Direct-Spark Ignition
>
Low NOx Operation
>
Sealed Combustion
>
Low Gas Pressure Operation
>
Vertical & Horizontal Direct-Vent
>
Category IV venting up to 100 feet
>
PVC, CPVC or AL29-4C Venting up to 100 Feet
>
Factory Supplied Sidewall Vent Termination
>
ASME Stainless Steel Heat Exchanger
>
ASME Certified, ”H” Stamped
>
Gasketless Heat Exchanger
>
160 psi Working Pressure
>
Highly efficient, condensing design
>
On/Off Switch
>
Adjustable High Limit w/ Manual Reset
>
Flow Switch
>
Inlet & Outlet Temperature Sensors
>
Flue Temperature Sensor
>
Low Air Pressure Switch
>
50 psi ASME Relief Valve
>
Temperature & Pressure Gauge
>
Adjustable Leveling Legs
>
Condensate Trap
>
Zero Clearances to Combustible Material
>
10 Year Limited Warranty
(See Warranty for Details)
Smart System Features
>
SMART SYSTEM Digital Operating Control
>
2 line, 16 Character Display
>
Dual Level Password Security
>
Domestic Hot Water Prioritization
>
Built in Cascading Sequencer for up to 8 Boilers
>
Building Management System Integration
with 0-10 VDC Input
>
Outdoor Reset Control with Outdoor Air Sensor
>
Low Water Flow Safety Control & Indication
>
Inlet & Outlet Temperature Readout
>
Freeze Protection
>
Service Reminder
>
Time Clock
>
Data Logging
>
Hours Running, Space Heating
>
Hours Running, Domestic Hot Water
>
Ignition Attempts
>
Last 10 Lockouts
>
Programmable System Efficiency Optimizers
>
Night Setback
>
Anti-Cycling
>
Outdoor Air Reset Curve
>
Ramp Delay
>
Boost Temperature & Time
>
Three Pump Control
>
System Pump
>
Boiler Pump
>
Domestic Hot Water Pump
>
High Voltage Terminal Strip
>
120 VAC / 50-60 Hertz / 1 Phase Power Supply
>
Three sets of Pump Contacts with Pump Relays
KBX-
03
(Replaces KBX-02 6/08)
5M-4/09-Printed in U.S.A.
3 0 0 M a d d o x S i m p s o n P a r k w a y, L e b a n o n, T N 3 7 0 9 0 | 6 1 5 - 8 8 9 - 8 9 0 0 | f a x : 6 1 5 - 5 4 7 - 1 0 0 0 | w w w . l o c h i n v a r .c o m
Knight
®
XL Boiler Dimensions and Specifications
Model Number Guide
KB N 700 M13
Model
Firing Controls
Natural Gas
Btu/hr Input
Input
Net
Model
Min
Max
Thermal
Output I=B=R
Number MBH MBH Efficiency
MBH
MBH
KBN399 80 399 93.3%
372
324
KBN500 100 500 93.3%
467
406
KBN600 120 600 94.6%
567
493
KBN700 140 700 94.3%
660
574
KBN800 160 800 94.0%
752
654
A
B
C
D E
F G H
I
J
K Gas
Water Air Vent
Shipping
Conn. Conn. Inlet Size Wt. (lbs.)
42-1/2”
15-1/2”
27-3/4” 3-3/4” 20-3/4” 21”
14” 34”
34”
2”
18-3/4”
1” 1-1/2” 4”
4”
280
42-1/2”
15-1/2”
31-1/4” 3-3/4” 25-1/2” 21” 14” 32-1/2” 36”
2”
18”
1” 1-1/2” 4”
4”
310
42-1/2”
15-1/2”
36-1/4” 3-3/4” 25”
21” 14” 36”
32-3/4” 5-1/2” 19-1/2”
1”
2”
4”
4”
340
42-1/2”
15-1/2”
40-1/4” 3-3/4” 29”
23” 17” 36”
32-3/4” 3-1/4” 23-1/2”
1”
2”
4”
6”
370
42-1/2”
15-1/2”
45-1/4” 3-3/4” 33-1/4” 23”
17” 36”
32-3/4” 3-1/4” 27-3/4”
1”
2”
4”
6”
405
Notes: Change ‘N’ to ‘L’ for L.P. Gas Model. No deration on L.P. models. Performance data based on manufacturer test results. 120 VAC /15 AMP circuit required.
All dimensions shown in inches.
Knight XL Heating Boiler
Dimensions and Specifications
K
night
XL
B
oiler,
N
atural Gas,
700
,000 Btu/hr input,
M13
firing controls
>
Mo
>
Di
>
Lo
>
Se
>
Lo
>
Ver
>
Ca
>
PV
>
Fa
>
ASM
>
AS
>
Ga
>
16
>
Hi
>
On/
>
Adj
>
Flow
>
Inle
>
Flue
>
Low
>
50
>
Tem
>
Adj
>
Con
>
Zer
>
10
(Se
KBX-
0
3 0 0
Input
Net
nput
et
Model Min
Max Thermal
Output I=B=R
odel
a
e al
Output
Number MBH
MBH Efficiency
MBH
MBH
A
B C D
E F G H I J
A
B
C
D
E
F
G
H
I
J
Knight XL Heating Boiler
Dimensions and Specifications
LEFT SIDE
FRONT
BACK
8"
39-1/2"
13-3/4"
18-3/4"
H
K
D
G
F
E
C
9"
A
1-1/4"
1/4" -
ADJUSTABLE
AIR INLET
FLUE
LOW VOLTAGE
ELECTRICAL
CONNECTIONS
GAS
INLET
OUTLET
HEAT
EXCHANGER
DRAIN
3/4" NPT
CONDENSATE
DRAIN
FLUE
B
I
J
HIGH VOLTAGE
ELECTRICAL
CONNECTIONS
38-3/4"
3-1/2"
Patent # 7,506,617
