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Fig. 36 — High SCCR Single Point Box Kit and Unit Power Connection (SRT5 Large Cabinet Units)
Install CRHEATER288A00-296A00,
367A00-370A00, 374A00-377A00,
381A00-384A00 (STD SCCR and High SCCR)
For electric heater control connections on AC units, see Fig. 41
and 44-48. For electric heater control connections on HP units, see
1. Remove and save the heater covers for
CRHEATER288A00-296A00; discard the covers for
CRHEATER367A00-370A00, 374A00-377A00,
381A00-384A00.
2. Install heater slide track(s) from the heater kit through the
bottom of the heater mounting hole(s) and fasten each with
the two screws provided. (See Fig. 37 and 38.)
3. Install the CRHEATER288A00-296A00 heater(s) (Fig. 39,
230v shown) into their mounting location(s) using the screws
provided. Table 12 gives the correct heater location as a
function of heater size, voltage, and supply air flow direction
and unit supply air opening size.
4. Heater CRHEATER367A00-370A00, 374A00-377A00,
381A00-384A00 consist of 2 heater assemblies mounted to
one larger mounting plate. Install these heaters through both
slots using the screws provided.
NOTE: Heaters with Restrictor Plates
Heater part numbers CRHEATER288A00, 289A00, 290A00,
294A00, 295A00 and 296A00 have a restrictor plate attached to
the heater base plate. (See Fig. 38.) The horizontal projection of
this plate engages a slot on the lower left-hand side of heater
Unit Control
High SCCR
Fuse Box
Field Power Entry
Single Point Box
Alternate wire routing for larger fuse box
Unit Control
Fuse Box
Connector
Rain Shield (Ref)
Heater Control Wiring
(pre-wired from control box)
TB4 (Ref)
Heater Schematic
Locations
FB1
(Ref)
Unit Power Harness
with “Drip Loop”
Field Power
and Box
Connector
(By Others)
Single Point Box
Connector
(By Others)
Single Point Box