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EWC Controls Manuals
Control Systems
ULTRA-TALK 3000
Technical bulletin
EWC Controls ULTRA-TALK 3000 Technical Bulletin page 9
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Zone
Damper
#3
Communicating
T-stat
#3
Communicating
Zone #3
LED
Indicator
Regular
T-stat
#3
Over-Current
Breaker
2.5 amp
24vac
Power
Input
Ancillary
Dry (IAQ) Relay
Output
Standard
Dry Relay
HVAC
System
Rc/Rh
Output
Jumper
Communicating
HVAC
System
Output
4 Button
Programming
D
C
A
M
PC
P
PO
E
R
K2
F3
F12
D5
D22
R51
R48
C
R82
R50
2
1
U9
R
Z3RXD
R47
C18
R49
LED19
D21
F11
ZONE
F13
R107
3
R99
C40
F22
R105
R106
C
R100
CONTRAST
W/E
R108
C39
O/B
R104
R89
C38
Y
R102
R
R103
G
R101
C37 R90
U19
D1
D2
24vac
FB1
C1
T'FORMER
C2
+
+
R
F1
D27
C
D8
C21
K5
Y1
R9
IAQ RELAY
D9
NC
NO
K6
R8 R7 R6
R10
C
SYSTEM
U3
D10
W2/E
LED10
W1/B
LED11
O
R11
K7
LED12
Y
D11
LED13
G
LED14
RH
R12
LED15
S
RC
K8
Y
D12
LED16
S
C
T
LED17
E
JMP1
M
RC/RH
R13
K9
LINK
F7
D28
C8
F6
C
W
+ U17
D19
2
Y
FB2
+
+
C9
1
G
R
R
F8
D20
C42
L2
Color Coded
SYSTEM Function LED's
UT3000 Features
at a Glance
Z1 h030c000f025
R22
E W C
R35
R36
R33
R34
C10
L1
U2
D3
+
C4
+
C5
C3
+
C12
J1
C22
R27
C19
C13
U6
R28
R117
Z1RXD
C14
U.S. Patent
U7
# 9,253,260
U4
ZONE 3 OPEN
CONTROL
ZONE 2 OPEN
SYSTEM
ZONE 1 OPEN
IAQ RELAY
R112
W2 / EMERGENCY
R113
R43
R115
HEAT / B
U14
R118
C41
COMPRESSOR
R110
R114
FAN
U15
R45
R119
R111
C43
R116
R38
R41
U16
D18
R40
R109
R37
D17
R79
R46
ON
BIASING
1
C30
2
TERMINATION
3
ClimateTalk
C32
R39
LED22
SYSTEM RECEIVE DATA
U12
Communicating HVAC
SYSTEM LED Indicator
Scrolling
LCD Screen
D
C
A
M
PC
P
E
PO
R
K3
F4
F14
D23
R54
R52
C20
C
U10
2
1
R55
R81
Z2RXD
R
R53
LED20
D24
R56
F15
®
R95
ZONE
F16
2
R97
F21
C36
R98
R96
C
C35
R87
R92
W/E
R93
O/B
R94
Y
C34
R88
R86
R
C33
R91
G
R85
D
C
A
M
PC
P
E
PO
U18
R
F5
C23
F17
D25
R57
C
U11
2
R60
1
R80
R61
LED21
R
R58
D26
R65
R72
F18
ZONE
C27
F19
R73
R62
1
C24
F20
R63
®
R64
C
R66
W/E
R67
O/B
C25
R68
Y
R69
C26
R
R70
R71
G
C28
R74
R75
Relay
C29
R76
ONE
R77
ZONE
C31
R83
R84
R23
D13
OAS
R24
D14
C15
R25
®
D15
D16
SAS
R26
C16
Zone
Damper
#2
Communicating
T-stat
#2
Communicating
Zone #2
LED
Indicator
Regular
T-stat
#2
Zone
Damper
#1
Communicating
T-stat
#1
Communicating
Zone #1
LED
Indicator
Regular
T-stat
#1
One Zone
& Ancillary
IAQ
Function
Inputs
Outdoor Air
Sensor
Terminals
Supply Air
Sensor
Terminals
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