American Water Heater STCE3-52/80/119 ユーザーズマニュアル
Servicing should only be performed by a Qualified Service Agent
43
ELECTRONIC CONTROLS
CCB Socket & Wiring Terminal Identification
Refer to the illustration on page 42 for physical location of the sockets and wiring terminals.
J1 Socket - Transformer
J2 Socket - 120 VAC Power Supply
J3 Wiring Terminals - Alarm Output Relay (see page 59)
J4 Wiring Terminals - Contactor Coils
J5 Socket - Immersion Temperature Probe/ECO
J6 Socket - Not Used
PIN #
DESCRIPTION
1
120 VAC hot to transformer
2
Not used
3
120 VAC neutral to transformer
4
24 VAC out from transformer
5
24 VAC out from transformer
PIN #
DESCRIPTION
1
120 VAC hot
2
Earth Ground
3
120 VAC neutral
TERMINAL
DESCRIPTION
N. O.
Dry Contact Output - Normally Open Terminal Alarm Output Relay
N. C.
Dry Contact Output - Normally Closed Terminal Alarm Output Relay
COM
Dry Contact Output - Common Terminal Alarm Output Relay
TERMINAL
DESCRIPTION
OUT 1
120 VAC hot to Heating Element Bank 1 Contactor Coils
OUT 2
120 VAC hot to Heating Element Bank 2 Contactor Coils
OUT 3
120 VAC hot to Heating Element Bank 3 Contactor Coils
PIN #
DESCRIPTION
1
ECO (energy cut out) 120 VAC hot out (red wire)
2
Temperature probe (thermistor) +5.0 VDC (black wire)
3
Temperature probe (thermistor) -5.0 VDC (black wire)
4
ECO (energy cut out) 120 VAC return (red wire)