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Reznor UDX Manual

Reznor UDX
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2
OPT-CL31-CL32 (11-21) 102247-A
GENERAL INFORMATION—CONTINUED
Table 2. Relay Kit Components
Item No.*
Component Description
Option**
CL31 CL32
PN (Quantity)
APD, UDAP, UDAS, UDX, UDZ, UEAS, and UEZ Models
Option package PN 197155 (1) 197156 (1)
1 Relay assembly Includes relay and specially-designed bracket 197157 (2) 197157 (1)
1A Relay Wired and mounted on bracket 18549 (2) 18549 (1)
2 Screw Self-drilling, for securing relay bracket 195249 (2) 195249 (1)
3 Cable clamp 3/16 16228 (2) 16228 (1)
4 Label Wiring diagram 197164 (2) 197164 (1)
5 Transformer 40VA 194808 (1)
6 Wiring harness assembly Brown wires 197160 (1)
UDBP, UDBS, UBX, and UBZ Models
Option package PN 202958 (2) 197156 (1)
1 Relay assembly Includes relay and specially-designed bracket 197157 (2) 197157 (1)
1A Relay Wired and mounted on bracket 18549 (2) 18549 (1)
2 Screw Self-drilling, for securing relay bracket 195249 (2) 195249 (1)
3 Cable clamp 3/16 16228 (2) 16228 (1)
4 Label Wiring diagram 197164 (2) 197164 (1)
F and B Models
Option package PN 102248 (1) 102249 (1)
1 Relay assembly Includes relay and specially-designed bracket 102243 (2) 102243 (1)
1A Relay Wired and mounted on bracket 18549 (2) 18549 (1)
2 Screw Sheet metal, #6 × 1-1/2, for transformer 103152 (2)
2A Tinnerman clip #C1110-62, for transformer screws 111233 (2)
3 Cable clamp 3/16 16228 (2) 16228 (1)
4 Label Wiring diagram 131127 (2) 131127 (1)
5 Transformer 35VA 102708 (1)
LDAP Models
Option package PN 208366 (1) 208367 (1)
1 Relay assembly
Includes relay, 42-inch red and white wires, and
6-inch blue and brown wires
208365 (2) 208365 (1)
1A Relay With wires and wire terminals 18549 (2) 18549 (1)
2 Screw #8-18 × 1/2, for securing relay bracket 38529 (2) 38529 (2)
3 Not used
4 Label Wiring diagram 208185 (2) 208185 (1)
VR Models
Option package PN 205685 (1) 205686 (1)
1 Relay assembly Includes relay and specially-designed bracket 102243 (2) 102243 (1)
1A Relay Wired and mounted on bracket 18549 (2) 18549 (1)
2 Screw #8 × 1 121033 (4) 121033 (2)
2A Spacer 98872 (4) 98872 (2)
3 Cable clamp 3/16 16228 (2) 16228 (1)
4 Label Wiring diagram 197164 (2) 197164 (1)
5 Transformer 40VA 194808 (1)
5A Wire connector Twist-on, orange 16354 (1)
*See Figure 1 and Figure 2.
**Option CL31 includes components for one control unit and one additional unit. Option CL32 includes components for each additional non-
control unit with the following exception: for 208V, 230V, or 460V F, B, and VR models, option CL32 is used for the for the control unit and
each additional non-control unit (refer to Table 1).

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Reznor UDX Specifications

General IconGeneral
ModelUDX
CategoryHeater
Fuel TypeNatural Gas or Propane
Ignition SystemDirect Spark Ignition
InstallationHorizontal or Vertical
Heat Exchanger MaterialAluminized Steel
DimensionsVaries by model
WeightVaries by model
Heating Capacity30, 000 to 400, 000 BTU/hr
Efficiency83%
Vent TypeSeparated Combustion
Voltage115V
Control TypeThermostat
TypeGas-fired unit heater

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