Harman PB 105, Owner'S Manual

Page: 46 / 52

46
3-90-07205R26_10/14
Wiring diagram
GREEN/YELLOW
DARK BLUE
PELLET BOILER WIRING DIAGRAM
4" SQU
ARE JUNCTION BO
X
BLACK
GREEN/YELLOW
WHITE
RED
RED
WHITE GREEN
3/8"FLEX CONDUIT
BROWN
WHITE
WHITE
WHITE
RED
DARK BLUE
AUX. OUTPUT (OVERHEAT ZONE)
120 VAC 60 HZ
MAIN POWER
(SUPPLIED
BY OTHERS)
WHITE
GREEN
BLACK
RED
WHITE
BROWN
3/8"FLEX CONDUIT
EXHAUST PROBE
(ESP)
2
1
OUTDOOR AIR EXTENSION
4
3
6
5
10
9
11
8
PART NO. 3-90-72194A
7
WHITE
EMPTY
EMPTY
RED
BLACK
YELLOW
DK BLUE
EMPTY
GREEN/YELLOW WIRE
IS GROUND BONDED TO
STOVE BODY
CONTROL
BOARD
TCP
3
4
1
9
8
11
10
ESP
TWISTED WIRE
BROWN
PLUGGED
WHITE
WHITE 11 PIN PL
UG
6 AMP GLASS FUSE
AQUA TEMP SENSOR
COMBUSTION MOTOR
PVC CORD MOTOR LEAD
IGNITER ELEMENT
120
VAC
450
WA
TT
IGNITER PUMP
MOTOR WIRE MALE/FEMALE CONNECTION
FEEDER MOTOR
LOW PRESSURE SWITCH
N.O. CONTACTS
YELLOW
SKY BLUE
BL
A
CK
SKY BL
UE
BL
A
CK
WHITE
YELL
O
W
120 VOLTS A.C. 60 HZ.
1.7 AMPS ( normal operation )
5.3 AMPS ( ignition mode )
635 WATTS-
200 WATTS-
“105 Series” PELLET BOILER
WHITE
GREEN
Relay enclosure box - GRAINGER # 1EGH7
RED
RED
WHITE
GREEN
DPDT RELAY flange mtd. - GRAINGER #2XCO2
2
4
6
3
1
5
1/2" CONDUIT
8 7
16-3 AWG
PVC CORD
These cord tails can be made from an inexpensive 16/3
extension cord. Make sure that the MALE end is long
enough to reach the receptacle on the UPS.
CORD CONNECTOR
WHITE
BLACK
MALE
CORD CONNECTOR
16-3 AWG
PVC CORD
BLACK
WHITE
GREEN
FEMALE
RED
WHITE
GREEN/YELLOW
BLACK
3/8"FLEX CONDUIT
to
combustion motor
RED
WHITE
WHITE
BROWN
4" SQUARE JUNCTION BOX
GREEN
WHITE
GREEN
BLACK
DARK BLUE
GREEN
WHITE
WHITE
3/8"FLEX CONDUIT
from control board
120 VAC power (by installer)
UPS BACKUP FOR COMBUSTION MOTOR
WHITE
RED
RED
If using a standard UPS, it should be rated at 650 or higher to
ensure that the combustion motor operates until the fire is out.
(approximately 20 minutes needed)
( UNINTERUPTED POWER SUPPLY / BATTERY BACK-UP )
POWER FROM THE UPS / This plugs into
the UPS. When power fails, UPS will supply
current to the relay.
POWER TO THE UPS / Plug UPS into here.
When current is present, will keep UPS in Ready
mode.
Power Failure Backup Supply