Honeywell TrolaTemp MABS EZ-2 Product Data page 7

MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS
OPTIONAL ZoneMAX TM
OR C7735 SUPPLY AIR
TEMPERATURE
SENSOR
HVAC CONTROLS
SECOND STAGE COOLING RELAY
FIRST STAGE COOLING RELAY
REVERSING VALVE (COOLING)
24V TRANSFORMER (HOT)
FAN RELAY
REVERSING VALVE (HEATING)
FIRST STAGE HEATING
EMERGENCY HEAT RELAY
SECOND STAGE HEATING RELAY
THIS DIAGRAM SHOWS TYPICAL
SINGLE-STAGE THERMOSTAT
AND DAMPER MOTOR CONNECTIONS.
HEAT COOL
ZoneMAX TM
TL
TL
Y2
Y1
O
R
G
B
W1
E
W2
FIH
L G Y R W M6 M4 M1
THERMOSTAT
2ND STG. EMG.
ZONE 1
ZONE THERMOSTAT
C G Y R W
ZONE 1 THERMOSTAT
4
ZONE DAMPERS
1
OPPOSED BLADE
DAMPERMOTOR
Fig. 14. MABS EZ-2 wiring diagram.
7
PURGE FAN EM.HT ZONE 1 ZONE 2
BOOT
PURGE
OVERRIDE
L G Y R W M6 M4 M1
MOTOR THERMOSTAT MOTOR
ZONE 2
C G Y R W
ZONE 2 THERMOSTAT
5 6 7
2 3 X
AUTOMATIC ROUND DAMPER
POWERE CLOSED (ARD-PC)
GRN - DAMPER OPEN/MOVING
OFF - DAMPER CLOSED
EZ2 REV. F
ON
1 2 3 4 5 6 7 8
TR1 TR2
C R
24V, 40 VA
TRANSFORMER
M19046A
ON
OFF
69-1360–2