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EMM-3 ELECTRONIC MINIZONE™ PANEL
INSTALLATION
Mounting
CAUTION
Equipment Damage Hazard.
Do not mount EMM-3 inside HVAC equipment.
Mount only on wall or on cold air return.
1. Mount the thermostats in each zone of the living space
using the installation instructions provided with each
thermostat. See Fig. 2.
2. Mount the dampers in the ductwork using the installa-
tion instructions provided with each damper.
3. Mount the EMM-3 zone panel near the HVAC equip-
ment; locate it on a wall or on the cold-air return.
4. Level the EMM-3 for appearance only.
RETURN
AIR
EMM-3
OPTIONAL
LOCATION
FURNACE
OR BOILER
HIGH
EFFICIENCY
AIR CLEANER
Fig. 2. EMM-3 mounting location.
Wiring
Wiring must comply with applicable codes, ordinances, and
regulations.
See Fig. 3-6 for wiring diagrams.
CAUTION
Voltage Hazard.
Can cause electrical shock or equipment damage.
Disconnect power before beginning installation.
1. Connect 24 Vac transformer to R and C terminals on
EMM-3.
2. Connect HVAC equipment to R
nals on EMM-3. (Use jumper between R
using single equipment transformer.)
3. Connect the dampers for zone 1, 2 and 3 to EMM-3.
See instructions packed with dampers.
68-3041-2
EMM-3
WATER
HEATER
M13540
,R
,W,Y and G termi-
C
H
and R
if
C
H
4
4. Connect the zone 1 thermostat to EMM-3.
5. Reconnect power to EMM-3.
6. Check out connections made in steps 1 through 5:
a. If system is in Purge mode, press PURGE OVER-
RIDE on EMM-3.
b. Set Zone 1 thermostat to call for heat:
(1) Zone 1 damper is open. Zone 1 LED on EMM-3
is green.
(2) Zones 2 and 3 dampers are closed. Zones 2 and
3 LED on EMM-3 are off.
(3) Heating equipment is activated. SYSTEM LED is
red.
System Zone 1 Zone 2 Zone 3
LED
Red
System
Heat on Open
Operation
(4) Continue wiring the system.
CAUTION
Voltage Hazard.
Can cause electrical shock or equipment damage.
Disconnect power before continuing installation.
7. Connect Zone 2 thermostat to EMM-3.
8. Reconnect power to EMM-3.
9. Check out connections made in steps 1 through 8:
a. If system is in Purge mode, press PURGE OVER-
RIDE on EMM-3.
b. Set Zone 2 thermostat to call for heat, set Zone 1
thermostat to off:
(1) Zone 2 damper is open. Zone 2 LED on EMM-3
is green.
(2) Zones 1 and 3 dampers are closed. Zones 1 and
3 LED on EMM-3 are off.
(3) Heating equipment is activated. SYSTEM LED is
red.
System Zone 1
LED
Red
System
Heat on Closed
Operation
(4) Continue wiring the system.
CAUTION
Voltage Hazard.
Can cause electrical shock or equipment damage.
Disconnect power before continuing installation.
10. Connect zone three thermostat to EMM-3.
11. Reconnect power to EMM-3.
12. Check out connections made in steps 1 through 11:
a. If system is in Purge mode, press PURGE OVER-
RIDE on EMM-3.
b. Set Zones 1 and 2 thermostats to Off.
c. Set Zone 3 thermostat to call for heat.
Green
Off
Off
Closed Closed
Zone 2 Zone 3
Off
Green
Off
Open
Closed
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