17
1.800.627.4499
Integral Indirect Gas-Fired Heat Module
OPTION
FIGURE 2.3.1 CONTROL WIRING, 5:1 TURNDOWN MODULE, 50–150 MBH
SIZE
DATE
Description
REV
DRAWN
TCS
A
6/30/15
“ MA “ Control Wiring –
SC40 w/ 2 Spd. ID Fan - 115V
0
REVISED
SCALE
1 : 1
WS-MA-CC5-2S-2SV-115V
SHEET
1 of 1
50 Heatco Ct.
Cartersville Ga. 30120
770-529-2000
BLU
WHT (Com)
YEL
5
L1
L2
GRY
BLU
24V
BLK
AIR SWITCH -HI
GRY
BLU
YEL
APS-2
GRY
BLK
WHT
BLU
BLU
4
115 VAC
Hot
Neut
40 VA
XFMR 1
Capable Controls
–
Series 5 Ignition Control
BLU
YEL
24VAC Alarm
Indicator
YEL
Gnd
(V2)
Gnd
Syst.
Alarm
YEL
COM
2 STG GAS VALVE
LO
HI
WHT
FLAME
SENSOR
ROR
IGNITER
SPARK
Series 5 Ignition Control
Spark
MV
24V
APS
(PSW)
T-Stat
Sense
3
PUR
HI LIMIT
PUR
APS-1
AIR SWITCH -LO
ORG
ORG
ORG
ORG
ROLL OUT
SWITCH
ROLL OUT
SWITCH (2)
Maxitrol
SC40
T1
T2
T3
T4
T5
T6
T7
T8
COM
T9
HAPS
EST
R1
24V
E Valve
(+)
(-)
T10
T11
(-)
(+)
T1
T2
T' STAT
Factory
Jumper
Customer
Interlocks
(See Note)
EX
A
Va
lv
e
(+)
(-)
(+)
(-)
24V SIG
YEL
BLU
BLU
YEL
0
–
10 VDC Analag Iput
(Polarity Sensitive)
YEL
YEL
BLU
RED
BLK
GRY
BLU
YEL
IGNITION CONTROL
L1
IND
BLK
BLK
HI
DRAFT INDUCER
RED
LO
BLK
WHT
4
2
Br/W
CR1
1
3
YEL
Br/W
J1
Shunted
See Notes for Dip
Switch Setting
(2)
2
nd
ROLLOUT SWITCH ON HORIZONTAL BURNER TRAY ONLY
CUSTOMER PROVIDED COMPONENT
CUSTOMER / FIELD WIRING
INTERNAL TERMINAL CONNECTION
1
EXTERNAL TERMINAL CONNECTION
3
LEGEND:
BLU
BLU
CR1
1 2 3 4
ON
Notes:
1.) If Customer safety interlocks provided,
wire in series from Terminal 3 to T1&
remove factory jumper
2.) Dip Switch setting for 0-10VDC Analog
Models H(M,D)D125-175 and H(M,D)G125-200
2.3.2 Electrical Schematics
Valve can vary
SYSTEM REQUIREMENTS
NOTE: Module-specific wiring schematics are provided with each unit and can be found in the document
package shipped with the unit.
NOTE: If any of the original wire as supplied with the appliance must be replaced, it must be replaced with wiring
material having a temperature rating of at least 105 ˚C.