14
Step 10 — Make Electrical Connections
NOTE: Field-supplied wiring shall conform with the limitations
of minimum 63°F (3°C) rise.
FIELD POWER SUPPLY
For those units without thru-the-curb power, conduit must
be used to route the main power from the condenser end, via
the power entry in the corner post of the unit (see Fig. 20-22)
to either the factory option disconnect or the bottom of the
control box. A 1-in. conduit is provided wrapped around
compressor. A second conduit is provided with factory in-
stalled powered convenience outlet. For those units that re-
quire conduit larger than 1-in., the conduit must be field sup-
plied. Figures 20-22 show the wire routings.
If the field disconnect is larger than 100A, it must be at-
tached to the unit using accessory CRDISBKT001A00 —
disconnect switch bracket (see Fig. 23). Follow the instruc-
tions provided with this accessory. For smaller field discon-
nects, be sure to use
1
/
2
-in. screws to mount the disconnect di-
rectly to the end panel (see Fig. 24). In either case, set the dis-
connect vertical location on the unit so that a 90 degree fitting
can be used to connect the conduit to the disconnect.
Fig. 20 — Conduit into Factory Option Non-Fused
Disconnect or HACR
Fig. 21 — Conduit into Control Box
Fig. 22 — Conduit into Single Point Box
Fig. 23 — Mounting Position for Field Disconnects
(over 100A)
WARNING
ELECTRIC SHOCK HAZARD
Failure to follow this warning could result in personal injury
or death.
Unit cabinet must have an uninterrupted, unbroken electrical
ground to minimize the possibility of personal injury if an
electrical fault should occur. This ground may consist of
electrical wire connected to unit ground lug in control
compartment, or conduit approved for electrical ground
when installed in accordance with NEC; ANSI/NFPA 70,
latest edition (in Canada, Canadian Electrical Code CSA
[Canadian Standards Association] C22.1), and local
electrical codes.
Summary of Contents for WeatherMaster 50HC14
Page 4: ...4 Fig 2 Unit Dimensional Drawing 14 Size Unit ...
Page 5: ...5 Fig 2 Unit Dimensional Drawing 14 Size Unit cont HORIZONTAL ECONOMIZER VERTICAL ECONOMIZER ...
Page 8: ...8 Fig 4 Roof Curb Details ...
Page 24: ...24 Fig 46 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring ...
Page 39: ...39 Fig 54 50HC14 Control Box Component Locations with ComfortLink Controls ...
Page 40: ...40 Fig 55 50HC14 ComfortLink Control Wiring Diagram ...
Page 41: ...41 Fig 56 50HC14 ComfortLink Power Wiring Diagram ...
Page 42: ...42 Fig 57 50HC14 ComfortLink with Humidi MiZer Power Wiring Diagram ...
Page 44: ...44 Fig 60 PremierLink Wiring Schematic ...
Page 45: ...45 Fig 61 PremierLink Wiring Schematic with Humidi MiZer System Option ...
Page 53: ...53 Fig 80 RTU Open System Control Wiring Diagram ...
Page 54: ...54 Fig 81 RTU Open System Control Wiring Diagram with Humidi MiZer System Option ...
Page 64: ......
Page 65: ......