Emerson SL-19534 Manuel D’Utilisation

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Installation
2
1.1.2 Connecting the Dual Unit Controller to the InteleCool
1. Install and level the Dual Unit Control.Leveling is not critical because the electronic thermostat 
does not contain mercury-filled limit switches.
2. Wire the InteleCool units to the Dual Unit Control using industry-standard thermostat cable. 
Each InteleCool will need at least 4 conductor, 20 gauge, Class 2 copper wire for distances up to 
50 feet (15.2m). Use 18 gauge, Class 2 copper wire for distances between 50 and 75 feet (15.2 - 
22.9m).
3. Wire the Dual Unit Control per the diagram on the inside cover of the Dual Unit Control. The 
InteleCool to Dual Unit Control low voltage control wiring connections are as follows:
4. Each InteleCool MUST have a jumper wire installed between terminals "G" and "Y". This assures 
that the fan will energize on a call for cooling.
5. For continuous operation of InteleCool unit evaporator fans, the "G" and "R" terminals may be 
connected. In this mode the jumper between the "G" and "Y" terminals should be removed, and 
the lead/lag function will control only the condenser fans, compressors, and heaters.
6. Tighten and check all connections for correct installation.
7. Refer to the thermostat user manual for setup and operation of the electronic thermostat.
InteleCool Terminals
Dual Unit Control Terminals
R & 1 - 24 VAC
R
2 - 24 VAC RTN
1/2
W - Heating
W
G - Evaporator Fan
See Step 4 Below
Y - Cooling
  Y
NOTE
The electronic thermostat does not contain mercury, but it is not for use with older versions of 
the DUC printed wiring assembly. The electronic thermostat requires a connection to the 
24VAC RTN terminal (Connector P1, Terminal 7) on the newer versions of the DUC printed 
wiring assembly. This connection is not available on the older version of the DUC.
Mercury thermostats may be used with the newer version of the DUC, but the P1 Terminal 7 
connection noted above is not required for the mercury-style thermostat.