JOHNSON CONTROLS
37
SECTION 4 – INSTALLATION
FORM 150.27-NM1
ISSUE DATE: 09/30/2015
4
PIPEWORK ARRANGEMENT
The following are suggested pipework arrangements
for single unit installations, for multiple unit installa-
tions, each unit should be piped as shown in
Recommendations of the Building Services Re-
search Association.
LD06596
FIGURE 9 -
CHILLED LIQUID SYSTEM
LD06597A
ISOLATING VALVE - NORMALLY OPEN
ISOLATING VALVE - NORMALLY CLOSED
FLOW REGULATING VALVE
FLOW MEASUREMENT DEVICE
STRAINER
PRESSURE TAPPING
FLOW SWITCH
FLANGED CONNECTION
Isolating Valve - Normally Open
Isolating Valve - Normally Closed
Flow Regulating Valve
Flow Measurement Device
Strainer
Flow Switch
Flanged Connection
Pressure Tapping
FIGURE 10 -
PIPEWORK ARRANGEMENTS LEGEND
CONNECTION TYPES AND SIZES
For connection sizes relevant to individual models
SECTION 9 – SERVICE AND TROUBLE-
Cooler Connections
Standard chilled and condenser cooling liquid connec-
tions are of the Victaulic groove type.
LD06601
FIGURE 11 -
COOLER CONNECTIONS
TABLE 1 -
CONDENSER / COOLER CONNECTIONS
Nominal
Size
OD
A
B
C
8”
8-5/8”
3/4 ±1/32”
7/16 ±1/32”
8.416”
6”
6-5/8”
5/8 ±1/32”
3/8 ±1/32”
6.433”
5”
5-9/16” 5/8 ±1/32”
3/8 ±1/32”
5.395
