Manual override – Raypak LONMARK Y-200 User Manual
Page 14
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Manual Override
Internal switches have been provided on each of the stage modules that can be used to manually override the
microcontroller. See switch SW1 on each stage board, page 15.
Boiler/Stage Off Delay
15
0 to 600 seconds; sets the time interval between sequential
boiler start-ups. 0 to 600 seconds;
sets time interval between stages turning off.
Default = 10 seconds.
Disabled in PID.
Standard or PID
16
Selects either Standard or PID operation.
If PID
is selected then PID & Interval is programmable using screen
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Boiler Inlet/ Outlet Delta
(Optional)
17
Displays the boiler inlet and outlet temperature in °F or °C
and the difference (delta) between them. (Requires 4-
sensor installation, option Y-306.)
INLET / OUTLET =
Delta T
Auto Lead-Last
18
The lead change time in hours, the lead and last boiler
numbers and the mode (either Auto or Manual).
Manual: Default = 100
hours.
Password
19
Used to enter a password. This allows
access to screens 20 through 34.
Default = AAA To
change: screen 22.
Unit Set-up / Network
20
Sets up the pump, boiler and stage configuration for the
System Monitor (Screen 11).
Preset =
2 boilers / 4 stages.
Default =
PBSSSBSSSAAA
Note: See Table J.
System Test
21
When ACTIVE, initiates auto system test and displays all
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Set Password
22
Changes the current user password.
Default = AAA
Water Temperature
Limits
23
Sets Maximum and Minimum water tempterature limits
allowed by the user in the Water Temperature Screen
Min. Default = 105°F
(40.5°C), Max. Default
= 210°F (98.8°C)
Master/Slave Unit
24
Displays the number of sensors utilized, relays (stages or
boilers) and Aux contacts.
Default = Master
Slaves Conneted
25
Selects the number of slave units connected, if any.
Default = 00
LonWorks
26
If ON, the LonWorks network will be active.
Default = OFF
Factory Defaults
27
If YES selected, the factory defaults will be restored.
Default = NO
User Defaults
28
If YES is selected, the User Defaults can be stored or
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Terminal Password
29
Used to enter a password for modem operation.
Default = AAA
Alarm Call Tele
30
Modem system telephone number to be called when a fault
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Alarm Call ID
31
Modem system ID person or place to be called when a fault
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Alarm Call Retry
32
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Alarm Call Events
33
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PID Settings
34
Configures PID operation.
Default =
Interval = 05
KP = 06
KI = 05
KD = 01
Table F: Control Screens Continued