SECTION 4: T
YPICAL
W
IRING
D
IAGRAMS
31
CORAYVAC
®
Modulating Central and Satellite Control External Wiring, 1Ø (continued)
Modulation signals
to Unitary heaters
Zone 1 Unitary
Zone 2 Unitary
Zone 3 Unitary
Zone 4 Unitary
PUMP 1
PUMP 2
U
L2
U1 V1 W1
U2 V2 W2
G
G
G
L1
L3
24V
ac
24V
ac
N1
L
Outside Air
Blower 1
Outside Air
Blower 2
V W G
U V W G
N M
L N M
T1 T2 T3
T1 T2 T3
VFD PWR IN
BLOWERS OPTIONAL
TERMINAL BL
OCK 2
115V/230V 1O
L1/L
L2/N
GND
120VAC
60HZ 15A
120VAC
60HZ 15A
BLK
WHT
GRN
N G
G
N
L L L L
N N N N
G
N1
24V
ac
N1
24V
ac
RELA
Y 3
RELA
Y 2
RELA
Y 1
RELA
Y 5
RELA
Y 6
RELA
Y 4
24V
ac
24V
ac
N1
Zone 1
Burners
Zone 2
Burners
Zone 3
Burners
Zone 4
Burners
Pump Operated Zones
G
N
L
G
N
L
G
N
L
G
N
L
CB2
20A
11
14
12
COM
NO
NC
11
14
12
COM
NO
NC
(A1)
(A2)
TERMINAL BL
OCK 1
11
14
12
COM
NO
NC
(A1)
(A2)
11
14
12
COM
NO
NC
(A1)
(A2)
11
14
12
COM
NO
NC
(A1)
(A2)
11
14
12
COM
NO
NC
(A1)
(A2)
11
14
12
COM
NO
NC
11
14
12
COM
NO
NC
11
14
12
COM
NO
NC
11
14
12
COM
NO
NC
(A1)
(A2)
11
14
12
COM
NO
NC
11
14
12
COM
NO
NC
120V 60HZ
1O 20A
L
N
GND
FROM
PS2
FROM
PS1
CONTROL PWR IN
TO PS 1
TO PS 2
BLK
WHT
GRN
Summary of Contents for CORAYVAC
Page 2: ......
Page 4: ......
Page 69: ...SECTION 8 PROGRAMMING AND TROUBLESHOOTING THE SYSTEM 65 THIS PAGE LEFT INTENTIONALLY BLANK ...
Page 71: ...SECTION 9 TROUBLESHOOTING 67 FIGURE 26 Vacuum pump does not turn on ...
Page 75: ...SECTION 9 TROUBLESHOOTING 71 FIGURE 31 Burner troubleshooting in manual mode ...
Page 77: ...SECTION 9 TROUBLESHOOTING 73 After 45 second prepurge burners do not light continued ...
Page 81: ...SECTION 9 TROUBLESHOOTING 77 FIGURE 36 Air Pressure Switch alarm ...
Page 83: ...SECTION 9 TROUBLESHOOTING 79 FIGURE 38 Repeater troubleshooting ...
Page 85: ...SECTION 9 TROUBLESHOOTING 81 BACnet MS TP troubleshooting continued ...
Page 109: ...SECTION 13 TOUCHSCREEN TREE 105 Touchscreen Tree Overview continued ...
Page 111: ...SECTION 13 TOUCHSCREEN TREE 107 FIGURE 47 Maintenance Unit FIGURE 48 Alarms ...
Page 113: ...SECTION 13 TOUCHSCREEN TREE 109 FIGURE 51 Configuration Zones FIGURE 52 Configuration Unit ...
Page 115: ...SECTION 13 TOUCHSCREEN TREE 111 FIGURE 55 Touchscreen System FIGURE 56 Touchscreen Setup ...
Page 118: ...ROBERTS GORDON CORAYVAC MODULATING HEATING CONTROL CONTROLLER INSTALLATION MANUAL 114 ...