LG Multi V Water V ARWM072CAS5 Engineering Manual page 30

WATER CIRCUIT INSTALLATION
Piping System Specifications
Configuring Variable Water Flow Valve Control Kit for each WSU
LG recommends installing a variable water flow valve control kit on each water source unit. Refer to the figures on the following pages for
single, dual, and triple frame configurations.
Variable Water Flow Valve Control Kit for Single Frame
Figure 21: Variable Water Flow Valve Control Kit for Single Frame
Condenser Water S upply
Condenser Water Return
S hutoff Valv e S hutoff Valv e
Thermometer Thermometer
Pressure Pressure
G auge G auge
Valv e Power ( 24V)
S erv ice
and Control
S erv ice Valv e
Valv e
M odulating
Control
Valv e
1
Flow
S witch
50 M esh
S trainer
Flex
S hutoff
Connector
Valv e
Variable Water Flow Valv e Control K it PWFCK N000 controls operation of the
1
field-supplied M odulating Control Valv e. The v alv e must be 24 v olt, normally -closed.
© LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. "LG" is a registered trademark of LG Corp.
54 | LOOP CIRCUIT DESIGN
PWFCK N000
1
Variable Water Flow Valve Control Kit for Dual Frame
Figure 22: Variable Water Flow Valve Control Kits for Dual Frame
Condenser Water S upply
Condenser Water Return
S hutoff Valv e S hutoff Valv e
Thermometer Thermometer
Pressure Pressure
G auge G auge
Valv e Power ( 24V)
S erv ice
and Control
S erv ice Valv e
Valv e
M odulating
Control
Valv e
1
Flow
S witch
50 M esh
S trainer
PWFCK N000
S hutoff Flex
Valv e Connector
Variable Water Flow Valv e Control K it PWFCK N000 controls operation of the
1
field-supplied M odulating Control Valv e. The v alv e must be 24 v olt, normally -closed.
© LG Electronics Canada, Inc., North York, ON Canada. All rights reserved. "LG" is a registered trademark of LG Corp.
WATER CIRCUIT INSTALLATION
Piping System Specifications
S hutoff Valv e S hutoff Valv e
Thermometer Thermometer
Pressure Pressure
G auge G auge
Valv e Power ( 24V)
S erv ice
and Control
Valv e
S erv ice
Valv e
M odulating
Control
Valv e
1
Flow
S witch
PWFCK N000
1
50 M esh
S trainer
S hutoff Flex
Valv e Connector
LOOP CIRCUIT DESIGN | 55
1