Lochinvar 751 - 2001 사용자 설명서

        

Installation & Operation Manual

• The 

Navigation Section is located across the top of the 

 

screen.  There are three (3) main sections located next 

 

to the Lochinvar icon:  Home, View, and Setup.  The Home 

 

Section is the screen shown above.  The View Section 

 

takes you to several screens that allows you to view sensor 

 

data.  The View Screens consists of Boiler, Modulation, 

 

Pump, Cascade, BMS/BAS, Graph, History, and Service 

 

Notes.  The Setup Screen has several screens to aid in 

 

setting up the boiler.  The Setup Screens consist of Set 

 

Points, Rapid Setup, Advance Setup, HW Night Setback, 

 

Service Maintenance, Service Notification, and BAS. There 

 

is also a HELP button located on the right side of the 

 

screen along with an expanded HELP option (About, Save/

 

Load Parameters - also known as Loch’n Load, System 

 

Update, and Wifi Setup).

The Home Screen displays the available basic system information.  It is divided into the following sections:  Status, System, Boiler, 
Modulation, and Navigation.

• The 

System Section is located in the middle of the screen 

 

and displays exterior sensor data. If hooked up it will 

 

display the  following:  Outdoor Air, Hot Water Temp, 

 

System Supply Temperature, and System Return 

 Temperature.

• The 

Boiler Section is located in the lower middle of the 

 

screen and displays sensor data for those sensors installed 

  in the factory as follows:  Inlet, Outlet and 
 

Delta Water Temperature, Outlet Water Temperature, 

 

Flue Temperature, Flame Currents, and Premix Air 

 Temperatures.

• The 

Modulation Section is located on the right of the 

 

screen and displays the target modulation of the unit.

• The 

Status Section is located on the left of the screen and 

 

displays how the unit is currently running (i.e. Off, Stand-

 

by, Blocking, and Lockout) including: the Power Button, 

 

current driving demand (i.e. Space Heat or Hot Water), 

 

the next Space Heat or Hot Water Setback scheduled, the 

 

reason for any blocking or lockout, and the current set 

 

point temperature with a button that allows you to 

 

change the set points.