installation, operating and service instructions evca series ...
installation, operating and service instructions evca series ... installation, operating and service instructions evca series ...
GND TO CHASSIS G G Q7800H1009 INTERNAL WIRING P 120V-1PH-60HZ SEE FIGURES 9a&9b FOR SUPPLY POWER WIRING L2 L1 FUSE 2 2 2 K3 29 3 1 ALARM SILENCE PUSH BUTTON 2 30 3 4 SENSE ALARM RELAY K2 K2 LINE VOLTAGE ALARM K1 K1 SENSE LOW WATER CUTOFF SENSE BURNER ON/OFF SWITCH 11 10 10 11 12 13 BURNER THERMAL FUSE OPTIONAL SEE NOTE 3 VESTIBULE THERMAL FUSE 3 5 MM 750- MT-120 LOW WATER CUTOFF OPTION (SEE NOTE 1) BURNER ON/OFF SWITCH ALARM BELL TO VSD TERMS. 1&2 (2) (1) 31 32 33 34 35 36 37 38 39 40 K5 K5 K3 K4 4 5 6 21 7 K3 BLOWER MOTOR K5 AUXILIARY RELAY K4 SENSE WATER FLOW SWITCH SENSE GAS PRESS SWITCHES SENSE HIGH LIMIT SENSE COMBUSTION AIR FLOW 9 8 7 6 14 15 16 17 18 19 20 21 22 23 NC HIGH C HIGH LIMIT NC C MANUAL NO NO LOW C C OPERATING LIMIT NC C AUTO WATER FLOW SWITCH HIGH AND LOW GAS PRESSURE SWITCHES HIGH LIMIT AND OPERATING TEMPERATURE SWITCHES UNUSED OPERATING LIMIT COMBUSTION AIR FLOW SWITCH 41 24 NO C PUMP MOTOR STARTER AND OVERLOAD RELAY BLOCKED AIR FILTER SWITCH AND LIGHT 115V TO 24V TRANSFORMER A2 A1 M 96 95 LT NO 115V TO 24V TRANSFORMER DRY CONTACTS FOR BOILER STATUS INDICATION BOILER PUMP 5 CRA3 9 GND TO CHASSIS C OUTLET SENSOR INLET SENSOR PROG. SPARE OUTPUT (COLD AIR DAMPER, SYSTEM PUMP BACKUP OR ALARM) 43 44 45 46 3 2 3 2 3 3 47 48 49 2 50 K6 K2 9 5 9 8 K6 SENSE MAIN FUEL VALVE 10 28 G F 20 13 CRA 14 1 MAIN FUEL VALVE(S) HONEYWELL Q7800H FLAME SAFEGUARD SUBBASE AND PROGRAMMER CONTROL RM7896D 1027 BO BC BI C C C SO C PR 24VAC + K1 THERMAL SOLUTIONS BOILER CONTROL (TSBC) 24VAC - FUSE 24VAC + 5 CALL FOR HEAT 24VAC - 2 Pin 6 CA HL GP WF OO V- V+ P- P+ Pin 1 Pin 7 Pin 1 12 3 11 10 9 8 7 6 5 4 1 AL CS 25 26 2 42 27 2 2 10 9 8 7 6 5 4 3 2 1 LC PRIMARY SECONDARY GAS RATIO GAS ACTUATOR VALVE L E/H N L N GND TO CHASSIS VARIABLE SPEED DRIVE AC Tech SCF 1 2 5 12 2 2 VENT VALVE (OPTIONAL) INTERRUPTED IGNITION PILOT GAS VALVE UV SCANNER IGNITION XFMR IGNITION PILOT COMBUSTION BLOWER SPEED CONTROL CIRCUIT (38) (37) TO K3 RELAY ON FLAMESAFEGUARD SUBBASE TERM. 37 & 38 Figure 9d: Ladder Wiring Diagram (EVCA-750/2000) SYSTEM PUMP 9 5 13 14 CRA 2 13 14 CRA 3 SP BP 12 VDC 0.5A MAX TOTAL FOR SO, SP, BP, V1, & LO CH O+ O+ O- O- OUTSIDE AIR SENSOR OUTSIDE AIR RESET OPTION MIXING VALVE ACTUATOR 1 2 3 LINE TYPES: SPARE LOCKOUT INDICATOR FACTORY WIRING, LINE VOLTAGE FACTORY WIRING, LOW VOLTAGE (SEE NOTE 2) FACTORY WIRING, SPECIAL IGNITER FIELD WIRING, LINE VOLTAGE CONTROL RELAY OPTIONS 9 5 9 5 13 CRA 14 4 13 CRA 14 5 REMOTE CONTROL OR REMOTE SETPOINT 0-10 VDC INPUT (VALID INPUT SIGNAL RANGE IS 1-9VDC) SEE NOTE 6 VI LO MS MR C- C+ RJ11 R1 500 ohm 4-20 mA DC CONVERTED TO 2-10 VDC 12 VDC (FIELD SUPPLIED CONTACTS/SWITCHES) R+ R+ R- R- DP LR RO C SI C 1 4 LOCAL 2 3 REMOTE REMOTE SYSTEM SENSOR DOMESTIC HOT WATER PRIORITY LOCAL/REMOTE(REMOTE CONTROL OR REMOTE SETPOINT) REMOTE ON/OFF(ENABLE/DISABLE) SEE NOTE 5 SPARE INPUT FIELD WIRING, LOW VOLTAGE GND TO CHASSIS RJ45 OPTIONAL WIRING 28
29 Figure 9e: Control Wiring Schematic (EVCA-3000)
- Page 1 and 2: INSTALLATION, OPERATING AND SERVICE
- Page 3 and 4: WARNING This boiler requires regula
- Page 5 and 6: 31.0 [787.4] MOUNTED LOW WATER CUT-
- Page 7 and 8: 40.8 [1036.3] MOUNTED LOW WATER CUT
- Page 9 and 10: a. Direct communication with outdoo
- Page 11 and 12: ii. Minimum three (3) feet above an
- Page 13 and 14: Figure 2: Typical Sidewall Pressuri
- Page 15 and 16: B. COMBUSTION AIR - See Figures 5 a
- Page 17 and 18: C. WATER TREATMENT The quality of w
- Page 19 and 20: Figure 8: Schematic Boiler Piping 1
- Page 21 and 22: E. GAS PIPING WARNING Failure to pr
- Page 23 and 24: Pipe Size 1/2" 3/4" 1" 1-1/4" 1-1/2
- Page 25 and 26: Figure 9a: 208/230/480V - 1PH/3PH -
- Page 27: 27 Figure 9c: Control Wiring Schema
- Page 31 and 32: G. MODULAR SYSTEMS 1. General Guide
- Page 33 and 34: 33 Figure 11: Modular System Vertic
- Page 35 and 36: 35 Figure 13: Modular System: Typic
- Page 37 and 38: 37 Figure 15: Modular System: Typic
- Page 39 and 40: 39 Figure 17: Modular System: Typic
- Page 41 and 42: IV: System Start-up CAUTION Failure
- Page 43 and 44: WARNING Failure to properly adjust
- Page 45 and 46: 19. Reset the burner control by pre
- Page 47 and 48: Product Features Boiler Sequence (C
- Page 49 and 50: A. SAFETY AND OPERATING CONTROLS. O
- Page 51 and 52: TROUBLESHOOTING GUIDE (CONTINUED) L
- Page 53 and 54: D. INSPECTION AND CLEANING PROCEDUR
- Page 55 and 56: 2 1 Figure 18: Cleaning Secondary H
- Page 57 and 58: Figure 19: Boiler Combustion Chambe
- Page 59 and 60: TOP VIEW FRONT VIEW Figure 20: Burn
- Page 61 and 62: Figure 21a: UL/FM/CSD-1 Main Gas Tr
- Page 63 and 64: Figure 21b: UL/FM/CSD-1 Main Gas Tr
- Page 65 and 66: Figure 22a: DB&B Gas Train (750) Fi
- Page 67 and 68: Figure 22c: DB&B w/POC Gas Train (7
- Page 69 and 70: Figure 22e: DB&B Gas Train (EVCA-30
- Page 71 and 72: Figure 23: Jacket 71
- Page 73 and 74: Figure 24: EVCA-750, 1000 and 1500
- Page 75 and 76: 4U 4F 4G 4W 4O 4D 4T 4S 4X 4M 4G 4C
- Page 77 and 78: 77 Figure 25b: EVCA-3000 Secondary
GND TO<br />
CHASSIS<br />
G<br />
G<br />
Q7800H1009 INTERNAL WIRING<br />
P<br />
120V-1PH-60HZ<br />
SEE FIGURES 9a&9b FOR<br />
SUPPLY POWER WIRING<br />
L2<br />
L1<br />
FUSE<br />
2<br />
2<br />
2<br />
K3<br />
29<br />
3<br />
1<br />
ALARM SILENCE<br />
PUSH BUTTON<br />
2<br />
30<br />
3<br />
4<br />
SENSE<br />
ALARM RELAY K2<br />
K2<br />
LINE VOLTAGE ALARM<br />
K1<br />
K1<br />
SENSE<br />
LOW WATER CUTOFF<br />
SENSE<br />
BURNER ON/OFF<br />
SWITCH<br />
11<br />
10<br />
10<br />
11<br />
12<br />
13<br />
BURNER<br />
THERMAL FUSE<br />
OPTIONAL<br />
SEE NOTE 3<br />
VESTIBULE<br />
THERMAL FUSE<br />
3<br />
5<br />
MM 750-<br />
MT-120<br />
LOW WATER<br />
CUTOFF<br />
OPTION<br />
(SEE NOTE 1)<br />
BURNER ON/OFF SWITCH<br />
ALARM BELL<br />
TO VSD<br />
TERMS.<br />
1&2<br />
(2)<br />
(1)<br />
31<br />
32<br />
33<br />
34<br />
35<br />
36<br />
37<br />
38<br />
39<br />
40<br />
K5<br />
K5<br />
K3<br />
K4<br />
4<br />
5<br />
6<br />
21<br />
7<br />
K3<br />
BLOWER MOTOR<br />
K5<br />
AUXILIARY RELAY<br />
K4<br />
SENSE<br />
WATER FLOW SWITCH<br />
SENSE<br />
GAS PRESS SWITCHES<br />
SENSE<br />
HIGH LIMIT<br />
SENSE<br />
COMBUSTION AIR<br />
FLOW<br />
9<br />
8<br />
7<br />
6<br />
14<br />
15<br />
16<br />
17<br />
18<br />
19<br />
20<br />
21<br />
22<br />
23<br />
NC<br />
HIGH<br />
C<br />
HIGH LIMIT<br />
NC C<br />
MANUAL<br />
NO<br />
NO<br />
LOW<br />
C<br />
C<br />
OPERATING LIMIT<br />
NC<br />
C<br />
AUTO<br />
WATER FLOW SWITCH<br />
HIGH AND LOW GAS<br />
PRESSURE SWITCHES<br />
HIGH LIMIT AND OPERATING<br />
TEMPERATURE SWITCHES<br />
UNUSED OPERATING LIMIT<br />
COMBUSTION AIR FLOW<br />
SWITCH<br />
41<br />
24<br />
NO<br />
C<br />
PUMP MOTOR STARTER<br />
AND OVERLOAD RELAY<br />
BLOCKED AIR FILTER<br />
SWITCH AND LIGHT<br />
115V TO 24V<br />
TRANSFORMER<br />
A2 A1<br />
M<br />
96 95<br />
LT<br />
NO<br />
115V TO 24V<br />
TRANSFORMER<br />
DRY CONTACTS<br />
FOR BOILER<br />
STATUS<br />
INDICATION<br />
BOILER PUMP<br />
5 CRA3 9<br />
GND TO<br />
CHASSIS<br />
C<br />
OUTLET<br />
SENSOR<br />
INLET<br />
SENSOR<br />
PROG. SPARE OUTPUT<br />
(COLD AIR DAMPER,<br />
SYSTEM PUMP BACKUP<br />
OR ALARM)<br />
43<br />
44<br />
45<br />
46<br />
3<br />
2<br />
3<br />
2<br />
3<br />
3<br />
47<br />
48<br />
49<br />
2<br />
50<br />
K6<br />
K2<br />
9<br />
5<br />
9<br />
8<br />
K6<br />
SENSE<br />
MAIN FUEL VALVE<br />
10 28<br />
G<br />
F<br />
20<br />
13<br />
CRA<br />
14<br />
1<br />
MAIN FUEL<br />
VALVE(S)<br />
HONEYWELL Q7800H<br />
FLAME SAFEGUARD SUBBASE<br />
AND<br />
PROGRAMMER CONTROL<br />
RM7896D 1027<br />
BO<br />
BC<br />
BI<br />
C<br />
C<br />
C<br />
SO<br />
C<br />
PR<br />
24VAC +<br />
K1<br />
THERMAL SOLUTIONS<br />
BOILER CONTROL<br />
(TSBC)<br />
24VAC -<br />
FUSE<br />
24VAC +<br />
5<br />
CALL FOR<br />
HEAT<br />
24VAC - 2<br />
Pin 6<br />
CA HL GP WF<br />
OO V- V+ P- P+<br />
Pin 1<br />
Pin 7<br />
Pin 1<br />
12<br />
3<br />
11<br />
10<br />
9<br />
8<br />
7<br />
6<br />
5<br />
4<br />
1<br />
AL<br />
CS<br />
25<br />
26<br />
2<br />
42<br />
27<br />
2<br />
2<br />
10<br />
9<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
LC<br />
PRIMARY SECONDARY<br />
GAS RATIO GAS<br />
ACTUATOR VALVE<br />
L<br />
E/H<br />
N<br />
L<br />
N<br />
GND TO<br />
CHASSIS<br />
VARIABLE<br />
SPEED DRIVE<br />
AC Tech SCF<br />
1<br />
2<br />
5<br />
12<br />
2<br />
2<br />
VENT VALVE<br />
(OPTIONAL)<br />
INTERRUPTED<br />
IGNITION PILOT<br />
GAS VALVE<br />
UV SCANNER<br />
IGNITION XFMR<br />
IGNITION PILOT<br />
COMBUSTION BLOWER<br />
SPEED CONTROL<br />
CIRCUIT<br />
(38)<br />
(37)<br />
TO K3<br />
RELAY ON<br />
FLAMESAFEGUARD<br />
SUBBASE<br />
TERM. 37 & 38<br />
Figure 9d: Ladder Wiring Diagram (EVCA-750/2000)<br />
SYSTEM PUMP<br />
9<br />
5<br />
13 14<br />
CRA<br />
2<br />
13 14<br />
CRA<br />
3<br />
SP<br />
BP<br />
12 VDC<br />
0.5A MAX TOTAL<br />
FOR SO, SP, BP,<br />
V1, & LO<br />
CH<br />
O+<br />
O+<br />
O-<br />
O-<br />
OUTSIDE AIR<br />
SENSOR<br />
OUTSIDE AIR<br />
RESET OPTION<br />
MIXING VALVE<br />
ACTUATOR<br />
1 2 3<br />
LINE TYPES:<br />
SPARE<br />
LOCKOUT INDICATOR<br />
FACTORY WIRING, LINE VOLTAGE<br />
FACTORY WIRING, LOW VOLTAGE (SEE NOTE 2)<br />
FACTORY WIRING, SPECIAL IGNITER<br />
FIELD WIRING, LINE VOLTAGE<br />
CONTROL RELAY OPTIONS<br />
9<br />
5<br />
9<br />
5<br />
13<br />
CRA<br />
14<br />
4<br />
13<br />
CRA<br />
14<br />
5<br />
REMOTE CONTROL<br />
OR<br />
REMOTE SETPOINT<br />
0-10 VDC INPUT<br />
(VALID INPUT SIGNAL RANGE IS 1-9VDC)<br />
SEE NOTE 6<br />
VI<br />
LO<br />
MS<br />
MR<br />
C-<br />
C+<br />
RJ11<br />
R1<br />
500 ohm<br />
4-20 mA DC<br />
CONVERTED TO<br />
2-10 VDC<br />
12 VDC<br />
(FIELD SUPPLIED<br />
CONTACTS/SWITCHES)<br />
R+<br />
R+<br />
R-<br />
R-<br />
DP<br />
LR<br />
RO<br />
C<br />
SI<br />
C<br />
1<br />
4<br />
LOCAL<br />
2<br />
3<br />
REMOTE<br />
REMOTE SYSTEM<br />
SENSOR<br />
DOMESTIC HOT WATER PRIORITY<br />
LOCAL/REMOTE(REMOTE CONTROL OR REMOTE SETPOINT)<br />
REMOTE ON/OFF(ENABLE/DISABLE)<br />
SEE NOTE 5<br />
SPARE INPUT<br />
FIELD WIRING, LOW VOLTAGE<br />
GND TO<br />
CHASSIS<br />
RJ45<br />
OPTIONAL WIRING<br />
28
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