Honeywell MiniZone EMM-3U User Manual

EMM-3U UNIVERSAL ELECTRONIC MINIZONE™ PANEL
5 68-0237-2
Fig. 3. Typical conventional thermostat wiring.
Fig. 4. PC89800 with W8900A,C Thermostat wiring.
M20780
A
G
C
R
Y
W
COMMON (C) TERMINAL IS USED ONLY BY THERMOSTATS
THAT REQUIRE A COMMON WIRE.
MULI-STAGE THERMOSTATS ARE WIRED SIMILARLY BUT WIT
H
Y2 AND W2 USED FOR SECOND STAGE COOL AND HEAT.
LEAVE O/B JUMPER ON EMM-3U DISCONNECTED.
EMM-3U THERMOSTAT
CONNECTORS
TYPICAL SINGLE STAGE
THERMOSTAT WIRING
1
2
3
3
1
R
C
G W2Y2 O/B M6M4M1Y1W1/ECR L
24VAC
40VA
2
M20781A
W8900A/C IS RECOMMEDED FOR CONVENTIONAL AND HEAT PUMP APPLICATIONS. THE W8900B CANNOT
SWITCH THE PANEL TO EMERGENCY HEAT.
LEAVE O/B JUMPER ON EMM-3U DISCONNECTED.
1
2
1
S1
S
T1
T
OUT
OUT
LED
G
Y2
Y1
W1
W2
1
2
3
4
GND
C
R
RH
RC
HUM
HUM
VNT
VNT
W8900A,C
PC8900
CO
2
1234
24 VAC
120 VAC
EMM-3U THERMOSTAT
CONNECTORS
2
R
C
GW2Y2 M6M4M1Y1CRL
24VAC
40VA
O/BW1/E

Honeywell MiniZone EMM-3U Specifications

General

Brand	Honeywell
Model	MiniZone EMM-3U
Category	Control Panel
Language	English