H2 - 230 USE 3.0 AMP BREAKER
H3 - 208 USE 4.0 AMP BREAKER
H1 - 460 USE 1.6 AMP BREAKER
WINTER
TEMPERATURE
SELECTOR
41
TS144C
TEMPERATURE
MONITOR
1 2
44
3
4
5
45 46
40
TCA-A1044C
21354
TEMP CONTROL
89
VALVE MRV
REGULATING
MODULATING
4948
AMPLIFIER
67
X1
X2
24VAC
20VA
T3
SCANNER
UV
G
CLIP JR2
14
13
9
F
12
SSOV
A
SAFETY SHUTOFF
VALVE
BURNER ON
BURNER ON
3
6
2
10
SP
8
11
PILOT VALVE
T2
IGNITION
TRANSFORMER
CONTROL
IGNITION
PV
PRIMARY CONNECTION
T1 TRANSFORMER
MOTOR
AUTO
32
CR1
SUMMER
M1
OFF
ON
3A
FUSABLE DISCONNECT
L1
1
31
X2
X1
H1
3 AMP
H3
H2
H4
FAN ON
M1
4
A
FAN ON
M1-OL
MOTOR STARTER
T1
250VA
H4 - COMMON
2
L3
L2
BLOWER
OLM1
MTR
120vac
FUSES BY OTHERS
T244A
WIRE CONNECTIONS
REMOTE TO MAIN PANEL
1, 2, 3A, 4, 7, 12, 24, 25
40, 41 (SHIELD)
7
HI TEMP
LIMIT
HLS
MANUAL
RESET
88A9
LOW PRES.
SWITCH
0.3" W.C.
HI PRES.
SWITCH
1. 4 " W. C .
CNO CNC
NC
25
CLOGGED FILTER
A
2
4
BURNER LOCKOUT
A
2
24
3B 3C 3D
24VAC
20VA
T4
TH8110
R
C
G
CR1
THERMOSTAT
TH8110R 1008/U
THERMOSTAT CONTROL
RELAY
15
16
RM7890A
CONTROL
PRIMARY
IGNITION
G
RM7897C
9
8
5
F
10
2
7
11
10
6
2
12
FOR 2020 AND 2030
CLIP JR2
7
9C
20
3
24
20
7
9A 9B 9C
GROUND SHIELDED CABLE AT CONTROL PANEL
3 PHASE ONLY
10
33 34
35
BREAKER
BREAKER
SCANNER
UV
14
13