Interior Jumper & Switches - Raypak 240692 Installation And Operating Instructions Manual

INTERIOR JUMPER & SWITCHES
J-2
Fig # 9242
S-2
Fig # 9245
S-3
Fig # 9246
The Last Stage Selector Jumper (J2) is comprised of an eight (8) position jumper block. A shunt
bar jumper is placed in the position corresponding to the last active stage or boiler number. See
table below for examples of Jumper (J2) settings.
The First Stage Selector (Stage #1 ID) (S2) Switch is an eight (8) position switch, each switch
position corresponds to a Y-Series output stage. Turn ON the switch(s) that correspond(s) to
the FIRST stage of EACH boiler. Turn OFF the switch(s) that correspond(s) to the second (or
subsequent) stage(s), of EACH boiler.
(Switch #1 should always be on.) See the table below for examples.
The Mode Selector Switch (S3) is comprised of an eight (8) position dip switch with the
following functions:
AUTO
Sw #1 - Manual/Auto Lead-lag Selection
OD off
Sw #2 - Outdoor Reset
"OD off"
Note: The outdoor sensor must be connected in all modes, otherwise a sensor error will be
displayed.
Off - Manual lead-lag selection
On - Automatic lead-lag selection
Off - Outdoor Reset Enabled
On - Outdoor Reset Disabled. Use this setting
for applications like Domestic Hot Water
where outdoor air sensing is not required.
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