User Manual

Lynx Combi Boiler
20
J2
CIRCULATOR
DHW
H
CIRCULATOR
N
H
W
W
BK
NH
BOILER
1
HOT
L1
60HZ
120V
NEUTRAL
L2
GROUND
FIELD WIRED, FIELD SUPPLIED
WITH TYPE 105
 C OR ITS EQUIVALENT.
PROVIDE DISCONNECT MEANS & OVERLOAD PROTECTION AS
FACTORY WIRED
APPLIIANCE MUST BE REPLACED, IT MUST BE REPLACED
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE
WIRE LEGEND:
REQUIRED.
CONNECTOR
2 PIN
G
R
3
4
BK
COMBUSTION
5
W
7
2
1
6
BL
1
J5
PR
(RED CONNECTOR)
SUPPLY WATER SENSOR
FLUE GAS SENSOR
(BLUE CONNECTOR)
RETURN WATER SENSOR
DISPLAY
10
W
W
PR
W
WW
BL
9
1
2
13
1211
Y
Y
1514
6
BK
BK
8
16
7
R
R
BL
BK
5
3
4
WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION.
LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS.
(CLEAR CONNECTOR)
"VERIFY PROPER OPERATION AFTER SERVICING".
CAUTION:
BK
3
4
W
W
2
G
G
4
3
6
2
5
1
W
BK
W
1
TRANSFORMER
120V/24V
BR
PK
BLOWER
SWITCH
ON/OFF
POWER
BK
CONNECTOR
3 PIN
W
BK
1/4" TABS
LIMIT
WATER HIGH
J13
8
65
7
3
21
4
TERMINALS
FIELD WIRING
G
LOW WATER
(IF USED,REMOVE
CUT OFF
7-8 JUMPER)
(IF USED)
SENSER
OUTDOOR
12 K Ohm
N
OR ISOLATED CONTACT
24V ROOM THERMOSTAT
DHW FLOW
"CALL FOR HEAT"
SWITCH
J9
VK8115
HONEYWELL
GAS VALVE
1
3
2
J6
Figure 16a. Schematic wiring diagram.