61
2. The ignition control may also be manually reset, by turning
the thermostat (controller) down and back up to previous tem
-
perature setting or removing power (24V) to IC terminal
24VAC.
FAULT CONDITIONS AND LED KEY
Table 28 shows a list of LED flash codes and their meanings.
Table 28 — LED Codes
NOTE: LED flashes on for ¼ second, and off for 1/4 second during fault
condition. Pause between fault codes is 3 seconds.
Fig. 93 — Modulating Heat Wiring Diagram
LED
MEANING
LED Steady On
Internal Control Fault
1 Flash
Combustion Air Flow Fault
2 Flash
Flame with No Call for Heat
3 Flash
Ignition Lockout
IGNITION CONTROL
BLU
BLK (Com)
YEL
BLK
YEL
5
DRAFT INDUCER
L1
L2
L1
IND
GRY
BLU
24V
(2)
2
nd
ROLLOUT SWITCH ON HORIZONTAL BURNER TRAY ONLY
6
ORG
CUSTOMER PROVIDED COMPONENT
CUSTOMER / FIELD WIRING
BLK
APS-1
AIR SWITCH -HI
GRY
GRY
BLU
BLU
YEL
YEL
BLU
ORG
BLK (Com)
24V
BLU
WHT
K
L
B
K
L
B
R
C
AIR SWITCH -LO
APS-2
Maxitrol
SC30-090
6
4
5
1
2
3
7
8
0-10 VDC Analog Input
(Polarity Sensitive)
BLK
RED
Mod
Valve
TR1
TR1
TR1
GRY
1/2
3/4
8
9
6
7
GRY
TR1
10
11
TR1 TERMINAL CONNECTION
1/2
3
BLK
WHT
HI LIMIT
WHT
PUR
ROR
BLU
BLU
35-61xxxxx Control
PSW
HV
V1
TH
S1
V2 /
GND
24
VAC
(2)
ORG
ORG
ROLL OUT
SWITCH
ROLL OUT
SWITCH
FLAME
SENSOR
T1
T2
IGNITER
SPARK
ORG
PUR
BLU
ORG
T' STAT
INTERNAL TERMINAL CONNECTION
1
EXTERNAL TERMINAL CONNECTION
3
TIMER RELAY
–
TR1-090LH15
External Safety
Interlocks
Factory Jumper
4
N
L
F
L
S1
SRTN
240T6T07 Controller
13
12
14
230 VAC
WHT
YEL
COM
2 STG GAS VALVE
LO
HI
BRN
BRN
-
+
Hot
Neut
