Harsco Industrial ENVI, Advanced User'S Manual

Page: 5 / 57

ENVI
®
Control
5
1.0 O
PERATION OF THE
ENVI C
ONTROL
The control displays the initial boot screen (above) when first powered.
The second line of text indicates one of three possible operating configurations:

Boiler Control indicates the boiler is set up as a standalone (SA) operation (Factory default)

Master Control indicates the boiler is set up as the master in a cascade system.

Member
1 (or 2, 3, 4…) indicates the boiler is set up as a member 1 thru 24 within a cascade system.
The value shown on the fourth line of text inside the brackets [8C51] is the software version or code installed on the ENVI
®
boiler controls.
There are several versions of the ENVI
® control. These include 112E, BD71, 49A7, 79F2, 8C51,1043 and 9820. Not all
features are available with all versions. Parameters which are only applicable to certain release versions will be designated
accordingly. If there is no mention of versions with the parameter, then it is valid for all versions.
The control displays the default (home) screen shown above once boot up is complete.
This screen displays; the date, time, boiler status, supply temperature, setpoint temperature, error codes, present operating
mode (CH or DHW), CM=cascade master, or CS 01-24=cascade member (also referred to as subordinate or slave).
Also, firing rate, FP (freeze protection), CL (cycle limit) and firing rate (Power) may be displayed. Cycle limit & freeze
protection settings are explained later in the manual.
The control has multiple menu levels to provide set-up and operating information. Navigation through the various menus
may be performed using the buttons beneath the display. The function of the buttons may be two-fold as shown below.
The shortcut functions are available only when the default (home) screen is displayed.
Buttons Function Shortcut
Menu Accesses the menu None
Back / Light Returns to the previous screen Turns on backlight
Enter / Set Pt Accepts the value Accesses CH Settings
Up / DHW Increases the value/moves cursor Accesses DHW Settings
Down / SVC Decreases the value/moves cursor Accesses Service Mode
Reset / Cancel Resets the control Cancels Service Mode
Version 1.0 [8C51]
Patterson Kelley
Boiler Control
Run Power 65%
Supply 130 ° F
CH Setpt 146 ° F
Supply 130 ° F
CH Setpt 146 ° F
Feb 17 2013 04:27