Installation Manual

ManualsBrandsWestinghouse ManualsBoilersWestinghouse WBRNG199WPU

WHL-016 REV. 3.4.15

Function 24

Cascade Rotation

CASCADE ROTATION

48 HOURS 24

Sets the amount of hours before the first boiler in the cascade firing rotation will be changed. NOTE: If this parameter is

set to 0, the firing order of the boilers will not rotate. Default: 48 hours (Range: 0 – 240 hours).

Function 25

Cascade DHW Mode

NOT USED

NOT USED 25

Not used on this product.

Function 26

System Freeze Protect

SYS FREEZE PROT

PROTECT OFF 26

NOTE: This parameter is only present if the boiler is a cascade master. Allows the user to set the freeze protection

when a system pump is used. Factory Default: OFF. Selection of temperature activates freeze protection. (Range:

OFF, -40

F – 104

F).

Function 27

Error System Sensor

ERROR SYSTEM SENS

ON 27

Allows the user to set the control to display an error message if the system sensor is open or shorted. NOTE: This

error does not stop the boiler (or boilers) from running. Factory Default: ON (Range: ON / OFF).

Function 28

Freeze Protection

FREEZE PROTECTION

ON 28

Allows the user to set freeze protection on the boiler. Factory Default: ON (Range: ON / OFF).

Function 29

DHW Modulation Mode

DHW MODULATE MODE

NORMAL MOD 29

This parameter controls how the boiler modulates for a DHW demand. In NORMAL MOD mode, the boiler will

modulate down from high fire when there is a DHW demand. In LOW MOD mode, the boiler will modulate up from low

fire when there is a DHW demand. This mode is useful to minimize short cycling when a large boiler and small indirect

tank are used together. Factory Default: NORMAL MOD (Range: NORMAL MOD / LOW MOD).

Function 30

Extra Boiler Mode

EXTRA BOILER MODE

OFF 30

Allows for a non Westinghouse boiler to be controlled when the cascade output has risen above the percent of the

cascade firing rate set in this parameter. Factory Default: Off (Range: 50% - 100%).

Function 31

System Sensor Mode

SYSTEM SENSOR MODE

OFF 31

Suppresses the ‘NO FOLLOWER’ message on the display if the boiler is used as a cascade master boiler with no

follower boilers connected. Factory Default: OFF (Range: ON / OFF).

Function 32

Service Schedule

SERVICE SCHEDULE

OFF 32

Allows the user to select a service date or time based on the boiler run hours to program the boiler maintenance

schedule. Factory Default: OFF (Range: Date or Run Hours). NOTE: Without setting this function, Functions

33/34/35/36 will not display.

Function 37

Modbus Mode

MODBUS MODE OFF

Enables Modbus Mode on the appliance. Factory Default: OFF (Range: OFF, ON, AUTO). NOTE: Turning Modbus

Mode “ON” will open a number of additional parameters to customize Modbus installation. See Modbus Instructions (lp-

372) for details. NOTE: Turning this Mode “ON” without a connected and powered Modbus communication adapter

(p/n 7350P-629) will result in improper appliance operation. Service calls associated with this ARE NOT covered by

warranty.

Table 21 – System Setting Menu Screens

NOTE: For the following functions, you must have your maintenance function turned on. To change, press ENTER. The left most digit

will begin to blink. Use the up ▲ or down ▼ arrows to change the digit. Use the   arrow keys to switch between digits. When you’ve

made your selection, press ENTER again.

SCREEN

DESCRIPTION

Function 33

Year

SERVICE SCHEDULE

YEAR 00/00/2000 33

Allows the user to set the year of the next service reminder.

Hours

SERVICE SCHEDULE

10000’s 000000h 33

Allows the user to set the left two digits of the amount of run hours before next service reminder.

Function 34

Month

SERVICE SCHEDULE

MONTH 00/00/2000 34

If the date function was selected, this function allows the user to program the month. If you selected the run hour

function, you will need to program 10,000 hours, if required.

Hours

SERVICE SCHEDULE

10000’s 000000 34

Allows the user to set the two middle digits of the amount of run hours for the next service reminder.

Function 35

Day

SERVICE SCHEDULE

DAY 00/00/2000 35

Allows the user to set the day of next service reminder.

Hours

SERVICE SCHEDULE

10000’s 000000 35

Allows the user to set the 2 right digits of the amount of run hours for the next service reminder.

Function 36

Telephone

TELEPHONE #

000 000 0000 36

Allows the user to input a telephone number that will be displayed when maintenance is required.

Table 22 – Maintenance Reminder Function Screens