
RE
RE
A
BALAN
IN
HERM
METE
POSITION FOR DRAINAGE
HIGHEST POSITION
AN
I
HERM
METE
TRAINE
HE
K
AKE U
RE
RE
A
ERM
METE
HIGHEST POSITION
N
I
HERMOMETE
TRAINE
AKE
TYPE
M4AC / MAC / 020 / 025 / 030 C/CR, M5AC 020 / 025 / 030 CR
M4AC / MAC / 040 / 050 / 060 C/CR, M5AC 040 / 050 / 055 CR
M4AC / MAC 080 / 100 / 120 / 150 C/CR
• Do not allow water to remain in the water pipes if the unit is not operating for a long period.
Water must be drained out if the unit is not running during winter. Failing to do so would cause the pipe
to crack.
• Do not drink the chilled water in the unit.
!
CAUTION
Figure 2
52
PRESSURE GAUGE
GATE
VALVE
GATE
VALVE
BALANCING
VALVE
THERMOMETER
FLEXIBLE
GATE VALVE
(LOWER POSITION
FOR DRAINAGE)
AIRVENT (INSTALL
HIGHEST POSITION)
FAN COIL UNIT/AIR HANDLING UNIT
GATE
VA LV E
Figure 3
THERMOMETER
GATE
VA LV E
GATE
VA LV E
BALANCING
VALVE
STRAINER
CHECK
VALVE
MAKE UP
VALVE
PRESSURE
DIFFERENTIAL
VA LV E
FLEXIBLE
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