Lennox MS8 SERIES User Manual

Page 18
MS8C / MS8H (208-230V)
TABLE 6
WIRE COLOR CODES
CODE CODE COLOR
COLOR CODE
OR SYMBOL
COLOR
WH WHITE BN BROWN
YE YELLOW BU BLUE
RD RED BK BLACK
YEGN
YELLOW
GREEN
TABLE 7
SYMBOLS
SYMBOL PARTS NAME
L1 REACTOR (CHOKE)
PCB1-PCB2 PRINTED CIRCUIT BOARD
S10/S11S40/S70/S80/S90 CONNECTOR
SAT OVERLOAD
COMP COMPRESSOR
Table 8. Valve Caps Torque Recommendations
Outside Diameter Recommended Torque
No torque wrench available?
Finger tighten and use an
appropriately sized wrench to turn an
additional:
1
2
3
4
5
6
7
8
9
10
11
12
1/4 TURN
Inches
mm U.S. Metric
1/4” 6.35 11 - 14-3/4 ft.- lb. 15 ~ 20 N*m
1/4 turn
3/8” 9.52 26 - 29-1/2 ft.- lb. 35 ~ 40 N*m 1/2 turn
1/2” 12.70 44-1/4 - 48 ft.- lb. 60 ~ 65 N*m 7/8 turn
5/8” 16 51-5/8 - 55-1/4 ft.- lb. 70 ~ 75 N*m 1 full turn
TO LINE
SET
FLARE CAP
VALVE CAP
OPEN POSITION
CLOSED POSITION
PIN
SERVICE
PORT
SERVICE
PORT CAP
TO OUTDOOR UNIT
Action
Evacuating with a
vacuum pump
Outdoor unit
running
Checking
pressure and
adding refrigerant
CLOSED
FULLY
OPEN
FULLY
OPEN
HOSE WITH
SCHRADER VALVE
3-WAY SERVICE
VALVE
ALLEN WRENCH
(5 MM)
OPEN POSITION
CLOSED POSITION
TO OUTDOOR UNIT
TO LINE
SET
FLARE CAP
REQUIRES FIELD-PROVIDED 5/16”
FEMALE FLARE TO 1/4” MALE FLARE
ADAPTER.
PUSH
FIGURE 32
2-Way
Shut-Off Valve
3-Way
Service Valve
IMPORTANT !
To prevent stripping of the various caps, use an appropriately sized wrench and fit the wrench snugly over the cap before
tightening.

Lennox MS8 SERIES Specifications

General

Brand	Lennox
Model	MS8 SERIES
Category	Air Conditioner
Language	English