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User’s Information Manual

18

4  

SMART SYSTEM control module

Status Display Screens 

(cont’d)

By using the Previous/Next (

,

) arrow keys on the SMART SYSTEM display panel, you can navigate through the eight (8)

display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and
what they can display:

Screen

Display shows:

Description

#7

DHW PUMP: OFF

The control has not received a DHW call for heat and has not
powered the DHW pump.

ON

The control has received a DHW call for heat and has powered the
DHW pump.

Delay

The DHW call for heat has been satisfied and the DHW pump is
running for a fixed time to remove any residual heat.

0-10V IN: **.Vdc

The control will display a 0-10Vdc signal received from a Building
Management System (BMS) connected to the unit.

Press the Next 

arrow key on the SMART SYSTEM display to access Screen #8.

#8

SYS PUMP: OFF

The control has not received a call for heat from a remote
thermostat and has not powered the system pump.

ON

The control has received a call for heat from a remote thermostat
and has powered the system pump.

Delay

The system call for heat has been satisfied and the system pump is
running for a fixed time to remove any residual heat.

BLR PUMP: OFF

The control has either not received a call for heat from a remote
thermostat, a remote thermostat is not connected to the unit and
the water temperature has not dropped below the temperature set
point of the control to initiate a call for heat, or the control has
received a DHW call for heat from a DHW thermostat.

ON

The control has received a call for heat from a remote thermostat
or a remote thermostat is not connected and the water temperature
has dropped below the temperature set point of the control to
initiate a call for heat.

Delay

The call for heat has been satisfied and the boiler pump is running
for a fixed time to remove any residual heat.

Press the Next 

arrow key on the SMART SYSTEM display to roll back to Screen #1. At any point if you wish to access an

earlier screen, press the Previous 

arrow key on the SMART SYSTEM display.

Summary of Contents for 80 - 500

Page 1: ...flammable vapors are likely to be present WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas...

Page 2: ...life of the product DANGER WARNING CAUTION CAUTION NOTICE DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING indicates a potentiall...

Page 3: ...al supply to the circulator Instead shut off the gas supply at a location external to the appliance Do not use this boiler if any part has been under water The possible damage to a flooded appliance c...

Page 4: ...hments Swimming pools Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establishmen...

Page 5: ...re than 54 F above return water temperature If combustion or performance indicate need Clean heat exchanger Remove and clean burner using compressed air only Clean the blower wheel Owner maintenance s...

Page 6: ...or fluorine if allowed to contaminate the boiler intake air will cause acidic condensate in the boiler This will cause significant damage to the boiler if allowed to continue Read the list of potentia...

Page 7: ...Call your qualified service technician to inspect the boiler and system 5 Leave the top of the 1 2 inch tee OPEN This is needed as a vacuum break 6 Do not expose condensate line to freezing temperatu...

Page 8: ...s on pages 9 and 10 of this manual Call your qualified service technician to inspect the boiler and system Shut boiler down unless boiler is used for Domestic Water 1 Follow To Turn Off Gas to Applian...

Page 9: ...User s Information Manual 9 3 Operating instructions Models 80 285...

Page 10: ...User s Information Manual 10 3 Operating instructions 3 Operating instructions Models 399 500...

Page 11: ...s Information Manual 11 4 SMART SYSTEM control module Figure 4 Control Panel Knight boiler control module Use the control panel FIG 4 to set temperatures operating conditions and monitor boiler opera...

Page 12: ...the installer access code Have your qualified service technician reference the Knight Boiler Service Manual Saving parameters reference parameter table on page 13 of this manual To save parameters an...

Page 13: ...es Yes Yes 7 Night Setback Times 14 Yes Yes Yes Yes B 1 SH Set Point User 14 Yes Yes Yes Yes E 1 DHW Boiler Set Point 15 Yes Yes Yes Yes 2 SH DHW Switching Time 15 Yes Yes Yes Yes F 5 Outdoor Air Shut...

Page 14: ...an be changed by the user or the installer by accessing parameter A6 The temperature range for this parameter is 32 F to 140 F The feature is turned off with a setting of 32 F The default value is 32...

Page 15: ...F to 120 F The default value is 80 F Outdoor air shutdown differential The outdoor air shutdown differential parameter is the number of degrees below parameter F5 the outdoor air temperature must go...

Page 16: ...an additional 10 seconds to clear the combustion chamber and vent system of residual flue products Service The unit has been placed in a temporary mode that will allow the unit to fire at 100 of rate...

Page 17: ...e outdoor air sensor wires or the sensor itself has become grounded Press the Next arrow key on the SMART SYSTEM display to access Screen 4 4 FLUE F The control will display the flue temperature Open...

Page 18: ...mote thermostat and has not powered the system pump ON The control has received a call for heat from a remote thermostat and has powered the system pump Delay The system call for heat has been satisfi...

Page 19: ...User s Information Manual 19 5 Notes...

Page 20: ...KB USER 01 09 05...

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