EMM-3 ELECTRONIC MINIZONE™ PANEL
68-3041-2 6
Fig. 3. EMM-3 system wiring diagram.
Fig. 4. EMM-3 oil heating, electrical
cooling wiring diagram.
Fig. 5. Two-transformer system wiring diagram.
Fig. 6. Single transformer system wiring diagram.
ZONE
THERMOSTATS
ZONE DAMPER MOTORS
M1 - common
M4 - power open
M6 - power closed
24 Volt Equipment
Transformer(s)
MOMENTARY PUSHBUTTON SWITCHES:
BOOT USE THIS SWITCH TO CLEAR THE SYSTEM
AND CLEAR THE MICROPROCESSOR.
PURGE OVERRIDE USE THIS SWITCH TO BYPASS THE PURGE
CYCLE WHILE TROUBLESHOOTING THE SYSTEM.
LED STATES:
SYSTEM LED
RED HEATING MODE
GREEN COOLING MODE
ORANGE PURGE MODE
FLASHING RED ZMS SENSOR EXCEEDS HIGH LIMIT IN HEATING
FLASHING GREEN ZMS SENSOR EXCEEDS LOW LIMIT IN COOLING
FLASHING ORANGE NO ZoneMAX SENSOR INSTALLED
OR ZoneMAX SENSOR FAILURE
DAMPER STATUS LEDS
ON (GREEN COLOR) DAMPER IS OPEN OR OPENING
OFF (NO COLOR) DAMPER IS CLOSED OR CLOSING
R
H
R
C
Y
W
G
BOOT PURGE
OVERRIDE
Single Transformer
Heating/Cooling systems
require a jumper to be installed
between R
H
and R
C
(factory installed).
*
C terminal connection is not
required on battery powered,
power stealing, or some
electromechanical thermostats.
EQUIPMENT
Discharge Ai
Temperature
Sensor
(See C7735
Installation Instructions
for further information.)
ZONEMAX
R
C
ZMS
ZMS
Heating Transformer
Cooling Transformer
Cool Relay
Heat Relay
Fan Relay
This diagram shows the typical single
stage equipment, thermostat, and
damper motor connections. For specific
wiring for other thermostats, damper
motors, and HVAC Equipment,
refer to the Installation Instructions.
R Y W G C M6M4M1
RYW
G
456Z
123X
C
*
Zone 1 Thermostat
Power-open
Power-closed
osed Blade
ZONE 1
R Y W G C M6M4M1
R
Y
CR
WGC
*
Zone 2 Thermostat
Power-closed
Spring-open
Model ZD
ZONE 2
RYWGCM6M4M1
RYWGC
*
Zone 3 Thermostat
Power-closed
Spring-open
Model ARD
ZONE 3
24 Volt 40VA
Transformer
24VAC
40VA
ZONE PANEL
TRANSFORMER
LED
DAMPER STATUS LEDS
T T
24V
OIL PRIMARY
PANEL
R
H
R
C
Y
W
G
FAN
RELAY
COOLING
CONTACTOR
REMOVE FACTORY INSTALLED R
H
TO R
C
JUMPER.
1
1
L1
(HOT)
L2
L1
(HOT)
L2
COOLING
TRANSFORMER
HEATING
TRANSFORMER
PANEL
R
H
R
C
Y
W
G
REMOVE FACTORY INSTALLED R
H
TO R
C
JUMPER.
1
1
L1
(HOT)
L2
HEAT
RELAY
L1
(HOT)
L2
FAN
RELAY
COOLING
CONTACTOR
TRANSFORMER
PANEL
R
H
R
C
Y
W
G
INSTALL JUMPER BETWEEN R
H
AND R
C
.
1
1
HEAT
RELAY
L1
(HOT)
L2
COOLING
CONTACTOR
FAN
RELAY