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6.0 ACCESSORIES & KITS
6.1 ELECTRIC RESISTANCE HEATER KITS
•
All (-)H1P & (-)H1T models are shipped without electric resistance heat.
• Electric heat kits ranging from 3kW to 30kW are available for field installation.
• Refer to Sections 3.13.5, 3.13.6, & 3.13.7 for electric heat kit model numbers avail-
able for specific air-handler models along with electrical ratings & additional informa-
tion regarding the heater kits.
• Heater kit installation instructions are provided with the heater kit.
• All heater kits utilize open wire nickel chromium heating elements.
• An automatic reset over-temperature limit is provided to shut off the heater elements
should air-flow become too restricted or if the blower motor fails.
• 13kW kits and larger are designed to operate in 2-stage heat mode if so desired or
can be operated as single stage if the W1 & W2 thermostat pigtails are wired
together.
• 208/240V single-phase (“J” Voltage), 208/240V 3-phase (“C” Voltage), & 480V 3-
phase (“D” Voltage) heater kits are available.
• 115V (“A” Voltage) heater kits are not available.
• 208/240V 3-phase (“C” Voltage) heater kits must be installed in “J” Voltage air-han-
dlers since there are no “C” Voltage air-handlers available. “C” voltage heater kits are
for 3-phase applications and allow for smaller wire & fuse/breaker size compared to
single-phase “J” Voltage heater kits.
• The heater kit is controlled by the blower control based on thermostat inputs.
• All heater kits are available with a circuit breaker style disconnect.
• 10kW heater kits and smaller are also available with either a pull-out style disconnect
or with no disconnect.
• Incoming electric power is connected directly to the heater kit power terminals.
• The heater kit is provided with 2 power wires that connect to the air-handler power
terminal block, providing power to operate the blower motor and controls.
• The heater kit is also provided with a 4-pin connector that plugs into a mating plug on
the blower control to allow the control of the heater based on thermostat inputs.
6.2 JUMPER BAR KITS
• Jumper Bar Kit 3 Ckt. to 1 Ckt. RXBJ-A31 is used to convert single phase multiple
three circuit units to a single supply circuit. Kit includes cover and screw for line side
terminals.
• Jumper Bar Kit 2 Ckt. to 1 Ckt. RXBJ-A21 is used to convert single phase multiple
two circuit units to a single supply circuit. Kit includes cover and screw for line side
terminals.
NOTE: No jumper bar kit is available to convert three phase multiple two circuit units
to a single supply circuit.
6.3 AUXILIARY HORIZONTAL OVERFLOW PANS
Auxiliary Horizontal
Cabinet Size Overflow Pan Accessory
Model Number
17.5” wide & 3621S RXBM-AC48
21’ & 24.5” except 3621S RXBM-AC61
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