Ingersoll-Rand Precedent BAYHTRA309, Руководство по установке

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Installation
ACC-SVN67H-EN 9
8. TCO-A is the limit control located in the center or right
part of the heater mounting plate that is located on the
bottom of the two heater element assemblies. See
Figure 4 . To replace this device, first remove the two
wires connected to the terminals. Next, remove the
two screws which secure it to the heater element
mounting plate. Once TCO-A has been removed from
the heater element mounting plate, discard this device.
9. Obtain the replacement TCO-A which is secured with a
wire tie near the unit/heater terminal block located on
the electric heater control panel. Attach it to the heater
element mounting plate with the two screws that were
removed in step 8. Connect the two wires that were un-
hooked in step 8 to the terminals on the new TCO-A.
Refer to the heater package wiring diagram to assure
that the wiring is connected properly.
Note: The back of the electric heater element assembly is
supported by a factory installed Electric Heat
Support Rod Hanger or other sheet metal device in
the unit.
10. Tilt the back of the electric heater element assembly
slightly upward as it is positioned in the opening to
engage the support rod with the support rod hanger.
The BAYHTRA, BAYHTRB, and BAYHTRD models will
have a guide rod and a support bracket to help with the
installation. See
Figure 5 . Be very careful to avoid
dragging the heater element on the edges of the
opening in vestibule panel, as this could damage or
pinch the heater elements resulting in a short circuit.
Engage the bottom edge of heater element panel with
the two locator tabs. See
Figure 3 . BAYHTRB and
BAYHTRD kits will have 4 locator tabs along the top, a
filler panel to be placed below the heater, and 12
screws to attach the assembly in place. See
Figure 6 .
Table 2. TCO-A replaced for horizontal duct
configuration
Unit Model Number
Electric Heater Model
Number
TCO-A
location
TSC120F4 BAYHTRA454 Right
TSC120FW, TZC072FW,
TZC090FW, and TZC102FW
BAYHTRAW18,
BAYHTRAW36, W54
Right
TZC120FW, WSC120EW
BAYHTRBW18A,
BAYHTRZW36A,
BAYHTRZW54A,
BAYHTRBW36, W54
Right
THC092F4, THC074F4,
THC102F4, TSC120F4,
TZC072F4, TZC090F4, and
TZC102F, TZ102F4
BAYHTRA427,
BAYHTRA436,
BAYHTRZ409,
BAYHTRA418
Right
THC072E4, WSC090E4 BAYHTRU427, 436 Center
WSC090EW BAYHTRUW27, W36 Center
WSC072E3 BAYHTRW327, 336 Center
TSC090E4, WSC072E4 BAYHTRW427, 436 Center
TSC090EW, WSC072EW BAYHTRWW27, W36 Center
Figure 4.
TCO-A LOCATED ON THE RI G HT
TCO-A LOCATED IN THE CENTER
Figure 5.
GUIDE ROD GUIDE ROD
SUPPORT BRACKET SUPPORT BRACKET