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e. An L404F pressure limit does not require
leveling.
7. On units with a heater opening, install the aquastat
controller well in the ½" NPT or ¾” NPT tapping in
tankless heater plate or cover plate. Slip the bulb of
the aquastat into the well and secure the control in
place with the set screw.
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8. Connect the fi eld wiring to the pressure limit, the
LWCO, the R8239A Control Center/J-box and the
burner J-box or burner disconnect J-box.
If equipped with tankless heater, connect fi eld
wiring from the aquastat control to the R8239A
Control Center transformer terminals or oil burner
primary control's "T-T" terminals.
Make the wiring connections as shown in Figures
19, 20 and 21.
NOTE:
• The R7184P Primary Control has pre-installed
"T-T" jumper resistor. To activate "T-T"
terminals, "T-T" jumper must be removed. To
remove, use side cutting pliers to cut jumper (see
Figure 28).
• Do not remove (cut) "T-T" jumper unless
wiring diagram indicates a direct connection
from thermostat and/or tankless heater aquastat
control to the oil burner primary control's "T-T"
terminals.
Refer to Paragraph S for details on use of burner
disconnect junction box provided with all
knockdown boiler builds.
O.
INSTALL TRIM AND CONTROLS WITH
BECKETT BURNER.
-
Water Boilers Only
(See
Figures 1A, 1B, 1C and 5).
1. Thread ½” NPT pipe plugs into gauge glass tappings
in the upper right side of front section.
2. Thread ¾” NPT pipe plug in probe low water cut off
tapping (just left of gauge glass tappings).
3. Thread combination pressure/temperature gauge into
¼” NPT tapping. Tighten with wrench applied to the
square shank of the gauge.
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4. Screw drain valve into ¾" NPT side outlet of the
1½” NPT x 90° elbow (note - lower front section
tapping “G” is used for standard return on water
boilers).
5. If circulator (not supplied with boiler) is to be
mounted directly to 1½" NPT boiler return tapping
"G", use the piping arrangements outlined in steps a.
thru e. as follows: (see Figures 13A, 13B and 13C)
a. Thread 1½” NPT x 3” long nipple and 1½”
NPT x 90° elbow with ¾" NPT side outlet
into the return tapping and tighten with a pipe
wrench.
Figure 9: Pressure Limit Installation for Probe
LWCO Equipped Boilers
Figure 8: Float-Type Low Water Cut-Off and
Pressure Limit Installation
Содержание V8 Series
Страница 6: ...6 Figure 1A V82 thru V89 Water Boiler without Tankless Heater ...
Страница 7: ...7 Figure 1B V83 thru V89 Water Boiler with Front Tankless Heater ...
Страница 8: ...8 Figure 1C V83 thru V89 Water Boiler with Rear Tankless Heater ...
Страница 9: ...9 Figure 1D V83 thru V89 Steam Boiler with or without Tankless Heater ...
Страница 27: ...27 Figure 11B Top View Burner Swing Door Mounted to Cast Iron Block Assembly Jacket Removed for Clarity ...
Страница 33: ...33 Figure 13A Recommended Water Piping for Circulator Zoned Heating System ...
Страница 34: ...34 Figure 13B Recommended Water Piping for Zone Valve Zoned Heating System Supply Side Circulator ...
Страница 35: ...35 Figure 13C Recommended Water Piping for Zone Valve Zoned Heating System Return Side Circulator ...
Страница 46: ...46 Figure 19A Wiring Diagram Steam Hydrolevel CG450 Probe LWCO for Carlin Burners ...
Страница 47: ...47 Figure 19B Wiring Diagram Steam Hydrolevel CG450 Probe LWCO for Riello Burners ...
Страница 49: ...49 Figure 20A Wiring Diagram Steam McDonnell Miller PS 801 Probe LWCO for Carlin Burners ...
Страница 50: ...50 Figure 20B Wiring Diagram Steam McDonnell Miller PS 801 Probe LWCO for Riello Burners ...
Страница 52: ...52 Figure 21A Wiring Diagram Steam McDonnell Miller 67 Float LWCO for Carlin Burners ...
Страница 53: ...53 Figure 21B Wiring Diagram Steam McDonnell Miller 67 Float LWCO for Riello Burners ...
Страница 55: ...55 Figure 22A Wiring Diagram Water without Tankless Heater for Carlin Burners ...
Страница 56: ...56 Figure 22B Wiring Diagram Water without Tankless Heater for Riello Burners ...
Страница 58: ...58 Figure 23B Wiring Diagram Water with Front Tankless Heater for Carlin Burners ...
Страница 59: ...59 Figure 23C Wiring Diagram Water with Front Tankless Heater for Riello Burners ...
Страница 62: ...62 Figure 23F Wiring Diagram Water with Rear Tankless Heater for Riello Burners ...
Страница 82: ...82 Bare Boiler Assembly ...
Страница 84: ...84 Bare Boiler Assembly Continued ...
Страница 86: ...86 Jacket Assembly ...
Страница 88: ...88 V83 Thru V89 Steam Boilers Trim and Controls ...
Страница 90: ...90 V82 Thru V89 Water Boilers Trim and Controls ...
Страница 92: ...92 Beckett AFG Burner ...
Страница 98: ...98 SERVICE RECORD DATE SERVICE PERFORMED ...
