Honeywell 69 1361 Thermostat User Manual

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MM-2 MASTERTROL®  
MINI-ZONE™-2  
SCHEMATIC  
The Mastertrol® Mini-Zone™ -2 Zone Control Panel,  
Model MM-2, controls 2 zones on any single stage  
heating and cooling system. Each zone is controlled  
by a thermostat which operates a motorized damper  
in the zone duct to control the flow of conditioned air  
to the zone. (Up to 2 dampers may be wired to a  
single zone. When 3 or more dampers are required  
a Slave Damper Control Relay, Model SDCR, is re-  
quired.)  
OIL FURNACES - When using the MM-2 with an Oil  
ZONE THERMOSTAT WIRING - The MM-2 can be  
used with several different single stage thermostats.  
The wiring shown is for the following recommended  
thermostats:  
Fired Furnace to provide heating, the T and T termi-  
nals on the Oil Burner Primary Control must wire to  
the RH and W terminals, on the left side of the MM-  
2. NOTE: Once operational the Oil Furnace contin-  
ues to run when all zones are satisfied, reverse the  
RH and W wires on the MM-2.  
Zone 1 Thermostat  
TRT(-W) and MCRS(-W)  
T8090T1003*  
T8602C  
Zone 2 Thermostat  
TRT(-W)/T87F  
T8090T1011*  
T8602D  
DAMPER MOTOR WIRING - This diagram shows  
Trol-A-Temps typical power open-power closed op-  
posed blade damper motors. Note the jumper wire  
required on the motor terminals 2 and 5. Round  
Spring Return Dampers can also be wired to the  
MM-2.When using the ARD-PC, wire to the M1 and  
M6 terminals. When using the ARD-PO, wire to the  
M1 and M4 terminals.  
T8601C*  
T8603D*  
*These thermostats may require additional wires.  
Refer to the wiring information included with the ther-  
mostat for complete information.  
The Zone 1 Thermostat requires a manual  
changeover subbase with “O” and “B” terminals.The  
“O” terminal must make with R when the subbase is  
switched to the COOL Mode. The “B” terminal must  
make with R when the subbase is switched to the  
HEAT Mode.When the Zone 1 Subbase in either the  
Heat or Cool Mode, either zone thermostat can call  
for the respective mode.The zone thermostat will en-  
ergize it’s zone relay which activates the heating or  
cooling controls, opens it’s zone damper and closes  
the damper to the zone that is satisfied. When both  
zone thermostats are satisfied the heating (or cool-  
ing) will shut off and all zone dampers will return to  
their normal position.The normal position of the zone  
dampers is set by the OPEN/CLOSED (O/C) slide  
switch next to the motor terminals.  
ZONE 1 THERMOSTAT  
AND SUBBASE  
ZONE 2 THERMOSTAT  
5/R  
O
B
Y
G
R
4/W  
6/Y  
W
MODEL DPBT  
T678A)  
SYSTEM CONNECTIONS: The MM-2  
System Terminals, on the far left side of  
the panel, wire to the HVAC Unit. These  
terminals are isolated “dry”switching con-  
tacts similar to any typical thermostat.  
These terminals are wired to the HVAC  
Unit the same as any thermostat would,  
when not using this zone control panel.  
The MM-2 connections used are typically  
the RC-G-Y-W terminals wired the the  
HVAC Unit Control Center.  
(
MASTERTROL MINI - ZONE  
MODEL MM-2  
SYSTEM  
Y
Y
O1  
T6/Y  
T6/Y  
T5/R  
T4/W  
G
O
G
HYDRO-AIR Systems - When using the  
MM-2 with a Hydro-Air System, one  
which uses a hot water coil in the air han-  
dler to provide heating in place of a fur-  
nace, the wiring is almost similar to that  
shown. In this application the Heat Re-  
lay shown may be a zone valve or circu-  
lator relay. The Fan must be controlled  
by an Aquastat. In order to bring the fan  
on when the water in the coil is heated.  
This is wired independently of the MM-2  
panel.  
G1  
B1  
B
T5/R  
FAN RELAY  
T4/W  
C
R
RC  
C
M6  
C
O
M6  
24 VOLT  
TRANSFORMER  
RH  
W
2
1
O
M4  
M1  
M4  
W
ZONE 1  
ZONE 2  
M11  
HEAT RELAY  
HVAC UNIT CONNECTIONS  
4
1
5
2
6
3
Z
4
1
5
2
6
3
Z
X
R
C
X
24 VOLT 40 VA  
TRANSFOMER  
MODEL PMT-40  
ZONE 1 DAMPER MOTOR  
ZONE 2 DAMPER MOTOR  
M13557  
®
U.S. Registered Trademark  
Copyright © 2000 Honeywell Inc.  
All Rights Reserved  
69-1361  
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