Panasonic Urban Multi MX1 Series Manual page 65

PACD011001G2 / PACD011004G3
4.2.4 Test Run Adjustment
The order of the test run operations is extremely important and they should be carried out in accordance
with the following principles:
1. Checks to be carried out before switching the power on.
(It is assumed that the vacuum drying operation has been completed.)
Check for incorrectly laid power cables
and loose screws.
Check for incorrectly laid control
cables and loose screws.
Additional charge of refrigerant when
length of refrigerant piping exceeds
10m.
Open gas line stop valve to the full.
Open liquid line stop valve to the full.
Measure insulation.
2. Switch on the main power supply
Switch on the outdoor units.
Set each of the setting switches for
various modes.
Switch on the indoor units.
Urban Multi Inverter "MX1" Series
Procedure and essential points
Miscellaneous checks : Assembly of indoor and outdoor units
Presence or absence of trap on gas pipe side
Pipe size
Presence or absence of thermal insulation
Use a 500V insulation tester.
Do not use a insulation tester between indoor and
outdoor units or between indoor unit and remote
controller. (Because they are low voltage circuit)
Switch on 6 hours before the system
starts operating (To energize the crank
case heater).
Installation 2
(M120)
(M011)
65