Ray 200i Control manual - page 27
27
P/N 42-9472 Copyright 2008 Mestek, Inc.
Cast iron condensing boiler
Cast iron condensing boiler
— Control manual
Menu item
Under . . .
Explanation
ENTRY IS
NIGHT SETBACK
Select “ON” to enable a setback operation. Then program the times, days and setpoint. The
setpoint assigned will override the 200i control’s setpoint when setpoint is controlled locally. It
will not override 4-20ma control or building management control.
TEMP SCALE
OPTIONS
Select Fahrenheit or Centigrade.
KEY CLICK
OPTIONS
If activated, the control beeps when a key is pressed.
SKIP PASSW
OPTIONS
The control can be programmed such that a password is required to change settings. Setting
this to “ON” disables the password.
BRIGHTNESS
OPTIONS
Adjust the brightness of the display.
RUN HRS
LOG/RUNTIME
Displays the total time the boiler gas valve has been open.
LOG ENTRY
LOG/RUNTIME
Displays the current entry in the data log (see Table 9, page 30).
SIZE
LOG/RUNTIME
Displays the current number of entries in the data log.
BOILER CYC
LOG/RUNTIME
Displays the number of times the boiler gas valve has been cycled on, then off . It does not
include failed ignition attempts.
COMB AIR DMPR
IN USE?
AUX FNCTIONS
Select “YES” to connect a combustion air damper and its end switch to the electrical connection
board.
USE RELAY #
AUX FNCTIONS
Only one relay is available.
PROOF TIME
AUX FNCTIONS
Set proof time long enough to be sure the combustion air damper can open and activate its end
switch.
SYSTEM CLOCK
Set the system clock (time, day of week, month, day and year) on start-up and after any power
outage to ensure the data log time stamp information will be accurate.
LOCAL ADD
ADVANCED SETUP
DISTRIB CTRL
Assign each member boiler a unique address, beginning with “2” or higher. Enter any value from
2 to 16.
NOTE: When the master boiler control displays the number of boilers on the network, it will
show numbers above 9 as letters: 10=A; 11=B; 12=C; 13=D; 14=E, and 15=F. For example, if
there are 12 boilers on the network, then the master control will show: “SmartCycle BOILERS
123456789ABC” when displayed in the BOILERS menu.
The master boiler local address is automatically set to 255. (The master boiler is automatically
recognized because it is the one with a header sensor wired to its HEADER SENSOR terminals.)
CONSOLE ADD
ADVANCED SETUP
DISTRIB CTRL
This is used only when the boilers are regulated by a building management system, using
MODBUS, BACNET or LONWORKS. Assign each member boiler AND the Heat Net master boiler a
unique address, an value from 1 to 247.
ADD BOILER DLY
ADVANCED SETUP
MODULAR BOILER
This is the minimum wait time before an additional boiler can fi re when called on by the master
boiler control.
SHED BOILER DLY
ADVANCED SETUP
MODULAR BOILER
This is the minimum wait time before a boiler can shut down by the master boiler control.
MOD DELAY TIME
ADVANCED SETUP
MODULAR BOILER
The boiler will remain at minimum fi re when fi rst starting until this amount of time has elapsed.
Table 8
Setup menus — parameter explanations (continued)
Control menus and adjustments
(continued)
4