Vacuum Pump/Leak Detection; Post Installation Testing - Johnson Controls Z Series Installation And Maintenance Manual

U-shaped curve
Note:
Condensate hose
condensate
condensate
n
n
The condensate hose can't be fluctuant
The hose
can't be fluctuant
The water
outlet can't be
fluctuant

2.9 Vacuum Pump/Leak Detection

1. Use Vacuum Pump
gauge
manifold gauge
manifold gauge remains in
manifold gauge, open the valve core of
Liquid valve
Gas valve
Refrigerant charging
vent
Nut of refrigerant
Charging vent
8
The condensate hose
can't raise
upwards
Wall
condensate
n
or
The water outlet
can't be placed
in water
manifold gauge to the
manifold
wrench
Manifold gauge
Lo Hi
Valve cap
Vacuum pump
Inner hex
wrench
Close
Open
2. Leakage Detection
(1) Check for leaks using the leak detector:
(2) With soap water:
if a leak detection tool is unavailable, use soap water to detect
any leak. Apply soap water to the suspected leak position and
observe for 3 minutes, if bubbles appear then there is a leak.

2.10 Post Installation Testing

1. Check after Installation
installation.
NO.
1
2
3
4
5
Is electric wiring and
6 pipeline installed
7
8
9
10
11
2. Test Operation
(1) Preparation of test operation
controller to start operation.
ing unit
emit noise.
water dripping.
water dripping.
shock
.
ing unit
the unit
61°F (
Installation and Maintenance