Thermal Solutions EVCA SERIES, Инструкция по установке, эксплуатации и обслуживанию

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28
Figure 9d: Ladder W
iring Diagram (EVCA-750/2000)
THERMAL SOLUTIONS
BOILER CONTROL
LOW WATER
CUTOFF
OPTION
(SEE NOTE 1)
WATER FLOW SWITCH
BURNER ON/OFF SWITCH
HIGH LIMIT AND OPERATING
TEMPERATURE SWITCHES
HIGH AND LOW GAS
PRESSURE SWITCHES
C NO
C NC
C C
C NO
MM 750-
MT-120
2
1
P
3
5
COMBUSTION AIR FLOW
SWITCH
C NO
UNUSED OPERATING LIMIT
10
18
17
20
19
22
21
23 7
K1 K1
26
42
FUSE
G
2
10 28
8
9
11
12
13
14
16
15
24
25
7
8
9
11
10
3
2
5
SENSE
MAIN FUEL VALVE
6 SENSE
COMBUSTION AIR
FLOW
SENSE
HIGH LIMIT
SENSE
GAS PRESS SWITCHES
SENSE
WATER FLOW SWITCH
SENSE
BURNER ON/OFF
SWITCH
SENSE
LOW WATER CUTOFF
6
2
2
2
L1
L2
G
SUPPLY POWER WIRING
120V-1PH-60HZ
43
31
32
34
35
33
36
K5
K5
29
37
38
K3
2
40
39
K4
41
4
4
5
3
K3
K5
K2
K3
SENSE
ALARM RELAY K2
K4
K6
HONEYWELL Q7800H
FLAME SAFEGUARD SUBBASE
AND
PROGRAMMER CONTROL
RM7896D 1027
CALL FOR
HEAT
47
48
49
K2
2
3
3
2
3
50
20
30
K6
45
46
3
2
44
F
O+
O-
R+
R-
OUTSIDE AIR
SENSOR
REMOTE SYSTEM
SENSOR
REMOTE ON/OFF(ENABLE/DISABLE)
SPARE INPUT
DOMESTIC HOT WATER PRIORITY
LOCAL/REMOTE(REMOTE CONTROL OR REMOTE SETPOINT)
OUTSIDE AIR
RESET OPTION
RJ45
C
SP
BP
VI
LO
SO
SYSTEM PUMP
(COLD AIR DAMPER,
SYSTEM PUMP BACKUP
OR ALARM)
SPARE
LOCKOUT INDICATOR
CONTROL RELAY OPTIONS
MIXING VALVE
ACTUATOR
C-
C+
MR
MS
24VAC +
24VAC - 2
12
7
5
4
6
8
9
1
11
10
3 K1
CS
AL
PR
C
LC
CH
FUSE
24VAC +
24VAC -
2
3
7
5
4
6
8
9
1
10
Pin 6
Pin 1
Pin 7
Pin 1
COMBUSTION BLOWER
SPEED CONTROL
CIRCUIT
115V TO 24V
TRANSFORMER
C
C
O+
O-
R+
R-
RJ11
21
2
5
VARIABLE
SPEED DRIVE
AC Tech SCF
1 2 3
GND TO
CHASSIS
G
IGNITION PILOT
IGNITION XFMR
INTERRUPTED
IGNITION PILOT
GAS VALVE
NC
NC
BURNER
THERMAL FUSE
VESTIBULE
THERMAL FUSE
UV SCANNER
BLOCKED AIR FILTER
SWITCH AND LIGHT
LT
NO C
LINE VOLTAGE ALARM
BLOWER MOTOR
AUXILIARY RELAY
MAIN FUEL
VALVE(S)
HIGH LIMIT OPERATING LIMIT
HIGH LOW
GND TO
CHASSIS
GAS
VALVE
GAS RATIO
ACTUATOR
VENT VALVE
(OPTIONAL)
E/H
L
N
GND TO
CHASSIS
L
N
27
FACTORY WIRING, LINE VOLTAGE
LINE TYPES:
FIELD WIRING, LINE VOLTAGE
FACTORY WIRING, LOW VOLTAGE (SEE NOTE 2)
FACTORY WIRING, SPECIAL IGNITER
FIELD WIRING, LOW VOLTAGE
PUMP MOTOR STARTER
AND OVERLOAD RELAY
M
115V TO 24V
TRANSFORMER
BOILER PUMP
R1
500 ohm
5
9
5
9
5
9
5
9
CRA3
5 9
12 VDC
0.5A MAX TOTAL
FOR SO, SP, BP,
V1, & LO
(2)
(1)
TO VSD
TERMS.
1
12
2
2
(38)
(37)
TO K3
RELAY ON
FLAMESAFEGUARD
SUBBASE
TERM. 37 & 38
OO V- V+ P- P+
CA HL GP WF
OPTIONAL
OPTIONAL WIRING
GND TO
CHASSIS
SEE FIGURES 9a&9b FOR
Q7800H1009 INTERNAL WIRING
PRIMARY SECONDARY
4-20 mA DC
CONVERTED TO
2-10 VDC
OR
REMOTE SETPOINT
REMOTE CONTROL
0-10 VDC INPUT
DP
LR
RO
C
SI
C
12 VDC
(FIELD SUPPLIED
CONTACTS/SWITCHES)
1&2
SEE NOTE 3
A1 A2
96 95
13 14
CRA
5
13 14
CRA
4
13 14
CRA
3
13 14
CRA
2
13 14
CRA
1
SPARE INPUT
DOMESTIC HOT WATER PRIORITY
LOCAL/REMOTE(REMOTE CONTROL OR REMOTE SETPOINT)
SEE NOTE 5
(VALID INPUT SIGNAL RANGE IS 1-9VDC)
1
4
2
3
REMOTE LOCAL
SEE NOTE 6
ALARM BELL
ALARM SILENCE
PUSH BUTTON
(TSBC)
PROG. SPARE OUTPUT
MANUAL AUTO
FOR BOILER
STATUS
DRY CONTACTS
INDICATION
OUTLET
SENSOR
INLET
SENSOR
BC
BO
BI