Thermal Solutions EVS SERIES Installation, Operating And Service Instructions page 32

GND TO
CHASSIS
120V-1PH-60HZ
SEE DWG 34-1136-D FOR
SUPPLY POWER WIRING
ALARM SILENCE
PUSH BUTTON
ALARM BELL
(2)
TO VSD
TERMS.
(1)
1&2
DRY CONTACTS
FOR BOILER
STATUS
INDICATION
LT
BLOCKED AIR FILTER
NO C
SWITCH AND LIGHT
115V TO 24V
TRANSFORMER
GND TO
CHASSIS
OUTLET
SENSOR
INLET
SENSOR
PROG. SPARE OUTPUT
(COLD AIR DAMPER,
SYSTEM PUMP BACKUP
OR ALARM)
SYSTEM PUMP
BOILER PUMP
LOCKOUT INDICATOR
CONTROL RELAY OPTIONS
LINE TYPES:
FACTORY WIRING, LINE VOLTAGE
FACTORY WIRING, LOW VOLTAGE (SEE NOTE 2)
FACTORY WIRING, SPECIAL IGNITER
FIELD WIRING, LINE VOLTAGE
FIELD WIRING, LOW VOLTAGE
OPTIONAL WIRING
Figure 9f: Standard UL/FM/CSD-1 Wiring Diagram (EVS 2000S-3000)
Q7800H1009 INTERNAL WIRING
G G
L2 2
FUSE
L1
K3
29
2
4
SENSE
ALARM RELAY K2
3 K2
LINE VOLTAGE ALARM
30
31
4 K3
BLOWER MOTOR
K5
32
33
5
34
35 K5
K5
36
AUXILIARY RELAY
37
K3
38 6
21 K4
39
K4
40
7
41
K6
43
44
9
MAIN FUEL
45
VALVE(S)
K6
46
3
2 8
3
2
10
3
3
47
G
K2
48
49
2
HONEYWELL Q7800H
FLAME SAFEGUARD SUBBASE
50
AND
PROGRAMMER CONTROL
RM7896D 1027
24VAC -
24VAC +
C
PR
BO
BC
BI
C
C
C
9
13 14
CRA
SO
1
5
9
13 14
CRA
SP
2
5
9
13 14
CRA
BP
3
5
9
13 14
CRA
VI
4
SPARE
5
9
13 14
CRA
LO
5
5
MS
MR
REMOTE CONTROL
OR C-
REMOTE SETPOINT
C+
0-10 VDC INPUT
(VALID INPUT SIGNAL RANGE IS 1-9VDC)
SEE NOTE 2
RJ11
32
2
3
10
K1 K1
11
SENSE
11
LOW WATER CUTOFF
12
10
SENSE
BURNER ON/OFF 13
SWITCH
14
9
SENSE
15
WATER FLOW SWITCH
16
8
SENSE
17
GAS PRESS SWITCHES
NC
18
7
HIGH LIMIT
SENSE
19
HIGH LIMIT
NC
20
MANUAL
21
22
6
SENSE
COMBUSTION AIR
FLOW
23
24
PRIMARY
25 GAS RATIO
5
ACTUATOR
SENSE
MAIN FUEL VALVE
L
26
E/H
2
N
42
27
2
28
2
12
K1
3
11
CALL FOR
10
HEAT
9
Pin 7 8
7
6
5
Pin 1 4
2
1
THERMAL SOLUTIONS
BOILER CONTROL
(TSBC)
24VAC - AL
FUSE
CS
24VAC +
10
9
8
7
Pin 6
6
CA HL GP WF
OO V- V+ P- P+ 5
4
Pin 1
3
2
1
LC
CH
O+
12 VDC
0.5A MAX TOTAL O+
FOR SO, SP, BP,
V1, & LO O-
O-
R+
R+
R-
R-
DP
LR
12 VDC RO
1
(FIELD SUPPLIED
4
CONTACTS/SWITCHES)
LOCAL REMOTE
C
SI
C
GND TO RJ45
CHASSIS
P
2
1
MM 750-
MT-120
3
LOW WATER
VESTIBULE
CUTOFF
THERMAL FUSE
5
BURNER ON/OFF SWITCH
WATER FLOW SWITCH
NO C
HIGH AND LOW GAS
HIGH LOW
PRESSURE SWITCHES
C NO C
HIGH LIMIT AND OPERATING
OPERATING LIMIT
TEMPERATURE SWITCHES
NC
C C
UNUSED OPERATING LIMIT
AUTO
COMBUSTION AIR FLOW
SWITCH
NO C
SECONDARY
GAS
VALVE
L
VENT VALVE
(OPTIONAL)
N
GND TO
CHASSIS
INTERRUPTED
IGNITION PILOT
GAS VALVE
IGNITION XFMR
IGNITION PILOT
UV SCANNER
COMBUSTION BLOWER
SPEED CONTROL
CIRCUIT
VARIABLE
SPEED DRIVE
AC Tech SCF
(38)
1
2
TO K3
RELAY ON
5
FLAMESAFEGUARD
12
SUBBASE
TERM. 37 & 38
2
(37)
2
OUTSIDE AIR OUTSIDE AIR
SENSOR RESET OPTION
REMOTE SYSTEM
SENSOR
DOMESTIC HOT WATER PRIORITY
LOCAL/REMOTE(REMOTE CONTROL OR REMOTE SETPOINT)
REMOTE ON/OFF(ENABLE/DISABLE)
2
SEE NOTE 3
3
SPARE INPUT