WIRING THE RECEIVER TO THE EQUIPMENT
BmPlus 3000
Y
R
G
O/B
W/E
C
UZC-4
Heat Pump 2H/1C
Heat Pump 3H/2C
O Reversing Valve
B Reversing Valve
Y1
O/B
W1/E
W2
Y2
R
G
C
E/W1
R
e
c
e
iv
e
r
NC
C
R
Y2
W2
Y1
G
O
B
E/W1
R
e
c
e
iv
e
r
NC
C
R
Y2
W2
Y1
G
O
B
ZONE
T’STAT
ZONE
T’STAT
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362 E-Mail- [email protected]
3
Warning:
There should be at least 1 hardwired system thermostat in the home or building to ensure the
ability to control the HVAC equipment in the event of a drained battery or loss of communication.
Copyright © 2009 EWC Controls All Rights Reserved
THERMOSTAT TERMINALS (HEAT PUMP)
SYSTEM
C
R
E/W1
W2
Y1
Y2
G
O
B
Heat Pump 1
24 Volt (Common)
24 Volt (hot)
Emergency 1st stage
Auxiliary / Emergency 2nd Stage
Heat and Cool mode 1st stage (compressor)
No output
Blower/Fan Energized on call for Heat and Cool
Energized in Cool Mode
Energized in Heat Mode
Heat Pump 2
2nd Stage Compressor
THERMOSTAT TERMINALS (CONVENTIONAL)
SYSTEM
C
R
E/W1
W2
Y1
Y2
G
O
B
Single Stage
24 Volt (Common)
24 Volt (hot)
Heat Mode 1st stage
No Output
Cool mode 1st stage (compressor)
No output
Blower/Fan Energized on call for Cool (and Heat
if HE was selected)
No Output
No Output
Multistage
2nd Stage Compressor
Heat Mode 2nd stage
E/W1
R
e
c
e
iv
e
r
Y
R
G
O/B
W/E
C
NC
C
R
Y2
W2
Y1
G
O
B
ZONE
T’STAT
NCM-300
Gas/Elec. 1H/1C
2
1
SUPPLY
AIR
SENSOR
ZONE 3
T'STAT
R5
R10
R9
R6
R70
R69
R13
R19
R23
R24
R25
R29
R30
R34
R32
R33
R40
R39
R42
R43
R41
R44
R47
R49
R48
R48
R54
R55
R54
R55
R50
R61
R63
R62
R65
ZONE 2
T'STAT
W/E
ZONE 1
T'STAT
ZONE 1
T'STAT
E
E
W
T
-3
1
0
2
RC
C
R
L
O/B
AUX
Y2
Y
G
E/W1
R
e
c
e
iv
e
r
NC
C
R
Y2
W2
Y1
G
O
B
E/W1
R
e
c
e
iv
e
r
NC
C
R
Y2
W2
Y1
G
O
B
FULLY
ZONED
NCM-3000
For detailed wiring info
refer to NCM-300 TB-226
C
Y
R
G
O/B
ONE
ZONE
W/E
W/E
C
Y
R
G
O/B
W/E
W/E
C
Y
R
G
O/B
W/E
Figure 2
Figure 3
Figure 4
Figure 5
