Installation; Wall Mount, Armor, Knight And Knight Xl, Outdoor Armor, Outdoor Knight, And Outdoor Knight Xl - Lochinvar Knight 81 Instructions Manual

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Installation

Installation procedure - for Models WB,
WA, AW, KB, OA, OK and KBX
1. Turn OFF the main electrical power to the appliance.
2. Turn OFF the main manual gas shutoff to the appliance.
3. Assemble the communication control board to the sheet
metal base as shown in FIG. 2-1a and 2-1b, depending on
model.
4. Connect the power harness from the appliance to the
communication board through the sheet metal cover
hole (see FIG. 2-2a and 2-2b, depending on model).
5. Using the two (2) sheet metal screws provided in the kit,
attach the pre-painted sheet metal cover over the
Communication board for protection from line voltage
(FIG. 2-2a and 2-2b, depending on model).
6. Locate the pilot holes on the side of the jacket (left side if
AW/KB/KXL or right side if WB/WA), using the sheet
metal screws provided in the kit, mount the
communication board assembly to the appliance (FIG.
2-3a and 2-3b, depending on model).
Wiring
7. Disconnect power to the transformer by removing
connection "B", see FIG. 2-4, page 4.
8. Connect A, C, D, and B (FIG. 2-4).
9. Connect the communication board to the control board
of the appliance (see FIG. 2-5 on page 4).
10. Turn on the main electrical power and the main manual
gas shutoff to the appliance.
11. Confi gure the control board and unit controls per this
manual and resume operation.
Figure 2-1a_Assemble Communication Board for
Models WB, WA, AW, KB and KBX
BLT2007 [X4]
Figure 2-1b_Assemble Communication Board for
Models OA and OK
SHEET METAL BASE
JKB40095
BLT7068 [X4]
ModBus and BACnet Communication Instructions
Figure 2-2a_Attach Cover to Communication Board for
Models WB, WA, AW, KB and KBX
MODBUS
ASSEMBLY
ATTACH POWER HARNESS
TO MODBUS THROUGH
SHEET METAL COVER HOLE
Figure 2-2b_Attach Cover to Communication Board
for Models OA and OK
Figure 2-3a_Mount Communication board to Unit for
Models WB, WA, AW, KB and KBX
- LOCATE THE PILOT HOLES
- USING THE 4 SHEET METAL SCREWS
PROVIDED IN THE KIT MOUNT THE MODBUS
ASSEMBLY TO THE UNIT
(SIDE DEPENDENT ON MODEL)
NOTE: KB/KXL/AW - MOUNT MODBUS ASSEMBLY TO THE LEFT SIDE OFTHE
JACKET. WB/WA - MOUNT MODBUS ASSEMBLY TO THE RIGHT SIDE OF THE JACKET.
Figure 2-3b_Mount Communication board to Unit for
Models OA and OK
NOTE: OA/OK151 MOUNT MODBUS ASSEMBLY TO THE RIGHT SIDE JACKET FLANGE
OA/OK400-501 MOUNT MODBUS ASSEMBLY IN HORIZONTAL ORIENTATION
MOUNT PRE-PAINTED
SHEET METAL COVER
OVER THE MODBUS
ASSEMBLY FOR PROTECTION
FROM LINE VOLTAGE
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