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HRV/ERV
TERMINAL BLOCK
LOW-STAGE
HIGH-STAGE
HI
LOW
ON
COM
1 1
RED
NO
YEL
NC
GRN
BLK
WIRE JUMPER REQUIRED BETWEEN ON AND RED TERMINALS.
1 1
UNIT TYPE JUMPER POSITIONS
VENT
HP
IFC
2 2
VENTILATION
HEAT PUMP
FURNACE
AIR HANDLER
DIP SWITCH MUST BE SET TO OFF.
EQUIPMENT INTERFACE MODULE (EIM)
2 2
3 3
VENT
VENT
VENT
1
2
C
AHC
Figure 25. Thermostat intelligent S40 Lennox, EIM, Ventilation (VRE/VRC ou Registre d'air frais) -
For communication terminal
LENNOX
wiring, please refer to you
S40 SMART
THERMOSTAT
Lennox S40 Thermostat
Installation and Setup Guide.
EQUIPMENT INTERFACE MODULE (EIM)
4
5
VENT
VENT
VENT
1
2
C
20
LENNOX
S40 SMART
THERMOSTAT
UNIT TYPE JUMPER POSITIONS
VENT
4
VENTILATION
HEAT PUMP
5
DIP SWITCH MUST BE SET TO OFF.
FRESH AIR DAMPER MOTOR
TWO-WIRE CONTROL
6" ROUND POWER OPEN / SPRING
CLOSED AND REQUIRES 24VAC
120VAC
CONTINUOUS POWERED
24VAC TRANSFORMER
(FIELD-PROVIDED)
HP
IFC
AHC
FURNACE
AIR HANDLER
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