
18
eleCTRICAl WIRINg
Wired Wall Controller
• Low voltage interconnect wiring must be at least
18 AWG.
• Unit mount control — If control configured for unit
mount DO NOT connect Wired Wall Controller to unit.
• 24v control transformer is located in air handler unit.
Provides low volt control power to both air handler and
condenser.
Optional Wired Wall Controller Connection
Controller utilizes polarized four (4) conductor connector
which plug into mating connector located in low voltage
connection box.
System recognizes thermostat when plugged in and power
is applied to UNHv. See Figure 21, Page 19
.
• Controller is shipped with 15 foot long umbilical cable,
may require additional extension cable (part number
240009319) to reach indoor low voltage connection box.
• One additional 15 foot cable may be daisy chained, total
of 2 cables or 30 feet of interconnect cable.
• Do not splice cables together on site.
Hand held remote is required to enter Test Mode. Wired
wall control has limited capabilities for technician testing.
Heat Pump Applications
• Heat pump operation requires connection of 2 Rv termi
-
nals between outdoor unit to indoor unit.
See
Figure 22,
Page 19. Reversing valve is energized in cooling mode
for models S1Hv, heat pump condensers.
Heat pumps only:
Two-stage heating requires
combination of heat pump condenser and indoor unit
equipped with optional electric heater. The indoor electric
heater will energize as second stage heat source and during
defrost mode for heat pump models.
finishing
Insure any unused wires are insulated with wire nut to
prevent contact with junction box or other metal surfaces.
Once all electrical connections are made replace control box
cover.
Replace control
box cover screws
figure 20 Replace Cover box
Содержание UNHV09
Страница 43: ...43 NOTES ...
Страница 44: ...Phone 1 800 228 9364 Fax 1 800 232 9364 2201 Dwyer Avenue Utica NY 13501 ...