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12

4  

SMART SYSTEM control module

Status Display Screens

Section

Display

Description

A

(Boiler Status 

Bar)

STANDBY

The unit has not received a call for heat from a remote thermostat nor 
has it received a call for heat from a DHW thermostat.

                  START 

The unit has begun a burn cycle and is checking all safety circuits.

PREPURGE

The unit has initiated a 10 second purge period on a call for heat.

IGNITION

The unit has begun a 4 second spark period to ignite the main burner.

 

The unit has fired and is running at the displayed percentage.

POSTPURGE

The call for heat has been satisfied and the unit runs the fan for an 
additional 10 seconds to clear the combustion chamber and vent 
system of residual flue products.

SHUTDOWN

The unit has been placed in the OFF position.

The controlled temperature has exceeded its set point and its offset.

BLOCKED

The unit has detected a condition that has temporarily interrupted 
the current call for heat.

(Call for Heat 

Indicators)

Room Thermostat 1 has a call for heat.

Room Thermostat 2 has a call for heat.

Room Thermostat 3 has a call for heat.

The tank thermostat or sensor has a call for heat.

Indicates which room thermostat demand shows priority.

The unit is being controlled by a 0 - 10V BMS signal.

The member unit is supplying heat while in Cascade Mode.

A

C

D

B

F

E

(BOILER 

STATUS)

(OPERATIONAL

INFORMATION)

(LEFT SELECT

KEY)

(RIGHT SELECT KEY)

(NAVIGATION DIAL)

(CALL FOR

HEAT)

Figure 4-2 Status Display Screen

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User’s Information Manual 

Содержание Knight XL 400

Страница 1: ...s are likely to be present WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Donottouchanyelectricswitch donotuseanyphoneinyour building Immediately call your gas supplier from a near by p...

Страница 2: ...operty damage NOTICE indicates special instructions on installation operation or maintenance that are important but not related to personal injury or property damage Contents HAZARD DEFINITIONS 2 PLEA...

Страница 3: ...upply 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 can b...

Страница 4: ...Metal fabrication plants Beauty shops Refrigeration repair shops Photo processing plants Auto body shops Plastic manufacturing plants Furniture refinishing areas and establishments New building constr...

Страница 5: ...ion Check wiring and connections Perform start up checkout and performance verification per Sec tion 10 in the Knight XL Installation and Operation manual Flame inspection stable uniform Flame signal...

Страница 6: ...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 potential materials listed in Table 1A on page...

Страница 7: ...in FIG 2 2 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 freezin...

Страница 8: ...or discharge line may be blocked Immediately shut down the boiler following the operating instructions on page 9 of this manual Call your qualified service technician to inspect the boiler and system...

Страница 9: ...to replace any part of the control system and any gas control which has been under water I RX FDQQRW UHDFK RXU JDV VXSSOLHU FDOO the fire department 1 STOP Read the safety information above on this l...

Страница 10: ...described in the User section Rotate the NAVIGATION dial if needed until the arrow is pointing to TIME DATE Press the NAVIGATION dial once If the date and time are incorrect press the NAVIGATION dial...

Страница 11: ...2 F 0 C 190 F 88 C The default is 125 F 52 C By installing a tank sensor the SMART SYSTEM control can perform the tank thermostat function The SMART SYSTEM control automatically detects the presence o...

Страница 12: ...nds to clear the combustion chamber and vent system of residual flue products SHUTDOWN The unit has been placed in the OFF position The controlled temperature has exceeded its set point and its offset...

Страница 13: ...p output BMS VOLTAGE The voltage received from a BMS system BLR PUMP OUTPUT The speed signal sent to a variable speed boiler pump in percent SYS PUMP INPUT The speed signal received from a variable sp...

Страница 14: ...Pressing the NAVIGATION dial will display the Set Points Screen Turning the NAVIGATION dial will move the cursor up or down Turning the NAVIGATION dial will increase or decrease the current setting F...

Страница 15: ...15 Notes User s Information Manual...

Страница 16: ...cts the new model numbers for the Knight XL upgrade Revision B ECO C07072 reflects the change in design of the manual air vent valve update of FIG 2 3 on page 8 and the clarification of the user passw...

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