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Unico WON0202-C - Introduction; Location

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Bulletin 30-034.009
Page 3 Copyright © 2022 Unico Inc.
Model Number Key
WON
050
2
C
Nominal Minimum Capacity
020=2.0kW
050=5.0kW
075=7.5kW
100=10.0kW
150=15.0kW
200=20.0kW
Power Supply
2=1ph, 60Hz, 240V
4=3ph, 60Hz, 240V
-
Model Series
Revision
A, B, C (original model has no revision letter)
INTRODUCTION
General. The information on the following pages is to
provide the installer the necessary information to
properly install the Unico System electric furnaces. The
electric furnaces are designed to provide primary or
auxiliary heating. The available model numbers,
capacity, and air handler compatibility are shown in the
Table 1.
Table 1. Electric Furnaces
Model
Number
Nominal
kW
Rating
Air Handler
Compatibility
Min.
Airflow,
CFM (m
3
/s)
WON0202-C
2
All sizes
100 (0.05)
WON0502-C
WON0504-C
5
250 (0.12)
WON0752-C
WON0754-C
7.5
300 (0.14)
WON1002-C
WON1004-C
10
2430, 3036, 3642
and 4860
500 (0.24)
WON1502-C
WON1504-C
15
600 (0.28)
WON2002-C
20
3036, 3642
and 4860
800 (0.38)
LOCATION
Before installing the furnace, inspect the unit
thoroughly for shipping damage. Check all porcelain
insulators for any breaks and inspect the furnace
element wire to see that none have been deformed.
Check the heating elements for loose connections that
could cause overheating. If any shipping damage is
found, notify the carrier immediately.
Install the furnace by attaching it directly to the air
handler using the adapter collar provided with the
furnace. Alternately the furnace can be placed in the
duct system to act as a duct heater. For this
configuration, an additional duct collar (see table 6
below) must be ordered to correctly install the heater.
In either configuration, position the unit so the arrow
label on the cover of the electric furnace control box is
in the direction of the airflow. The electric furnace
control box can be placed on either side of the unit as
shown in Figure 1.
Acceptable mounting
positions in the horizontal
configuration.
Non-Acceptable mounting
positions in the horizontal
configuration.
IL00487.cvx
Figure 1. Orientation of control box (Horizontal
airflow)