SECTION 19: E
LECTRICAL
91 of 154
FIGURE 67: DDC-Ready Controls (Continued)
W
B
V3/MRV
2 1
UV
50
51
LOW VOLTAGE
TRANSFORMER
AMPLIFIER
SP
T-2
TRANSFORMER
IGNITION
G
F
9
8
L2
6
7
FR-1
10
5
SOL.-1
VALVE
BLOCK VALVE
FLAME RELAY
PILOT VALVE
SOLENOID
PRIMARY SHUT-OFF
20
HLS
LO
AFS1
PS-1
HIGH
GAS PRS.
SWITCH
HI
AFS2
LIMIT
HIGH TEMP
AIRFLOW
AIRFLOW
RM7897C
BU
R
TH-2
OA STAT
CR93
24 VAC COIL
(YELLOW WIRE)
POWERED BY OTHERS
FAN START/STOP
INTERLOCK
CR98
24 VAC COIL
(YELLOW WIRE)
POWERED BY OTHERS
BURNER START/STOP
INTERLOCK
10 AMPS MAX
BURNER FAILURE
INTERLOCK
3
CR67
SAFETIES
BURNER FAILURE
RELAY
30
31
33
32
34
40
41
42
43
44
45
46
64
65
JUMPER
49
110
111
112
113
114
115
53
53
MANUAL
RESET
MANUAL
RESET
MANUAL
RESET
CR67
(YELLOW WIRE)
POWERED BY OTHERS
24VAC
T-3
120VAC
40VA
PS-2
GAS PRS.
LOW
SWITCH
SOV1
SOV2
48
4-20mA/0-10VDC MODULATION
INPUT
CONDITIONER
SIGNAL
1
2
3
4
-
+ 6
5
B
R
SC-1
18
2
Summary of Contents for 4044
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Page 73: ...SECTION15 VIBRATION ISOLATION 65 of 154 FIGURE 52 Curb Mounted Roof Curb Roof Curb...
Page 109: ...SECTION19 ELECTRICAL 101 of 154...
Page 110: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 102 of 154...
Page 111: ...SECTION19 ELECTRICAL 103 of 154...
Page 112: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 104 of 154...
Page 113: ...SECTION19 ELECTRICAL 105 of 154...
Page 114: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 106 of 154...
Page 115: ...SECTION19 ELECTRICAL 107 of 154...
Page 116: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 108 of 154...
Page 117: ...SECTION19 ELECTRICAL 109 of 154...
Page 118: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 110 of 154...
Page 119: ...SECTION19 ELECTRICAL 111 of 154...
Page 121: ...SECTION 20 DIRECT FIRED BURNER 113 of 154 FIGURE 71 Midco HMA 2A Burner...
Page 122: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 114 of 154...
Page 125: ...SECTION 20 DIRECT FIRED BURNER 117 of 154...
Page 126: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 118 of 154...
Page 127: ...SECTION 20 DIRECT FIRED BURNER 119 of 154 20 3 Honeywell UV Flame Detector...
Page 160: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 152 of 154...
Page 161: ...SECTION 27 THE RAPID 4000 SERIES WARRANTY 153 of 154...
Page 162: ...4000 SERIES INSTALLATION OPERATION AND SERVICE MANUAL 154 of 154...