Installation (Electric) And Service Instructions - Panasonic CZ-256ESMC2 Operation Manual

Centralized control system intelligent controller
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16 Installation (Electric) and Service Instructions

Safety Precautions
Before conducting installation or electrical work, be sure to carefully read these "Safety Precautions" and follow them carefully.
The precautions given in this manual consist of specific "Warnings" and "Cautions". Be sure to follow these precautions, as they provide
important safety related information. The labels and their meanings are as described below.
Warning
This refers to a hazard or unsafe procedure or practice which can result in severe personal injury or death.
This refers to a hazard or unsafe procedure or practice which can result in personal injury or product or
Caution
property damage.
Warning
Be sure to arrange installation at the dealer where the system was purchased or use a professional installer. Electric shock or fire may
result if an inexperienced person performs any installation or wiring procedures incorrectly.
Carefully follow these Installation (Electric) and Service Instructions when installing the unit. Electric shock or fire may result if the unit is
not installed correctly.
Electrical installation should be performed by qualified electrician, in accordance with the provisions of the Technical Standards for
Electrical Installations, local regulations for indoor wiring, and these Installation (Electric) and Service Instructions. Be sure to use a
dedicated electrical circuit. Insufficient electrical circuit capacity may result in electric shock or fire.
Use the specified cables for the electrical connections, and connect the cables securely. Fasten the cables securely so that the cables
will not exert force on the connection terminals. Insecure connections or fastening may result in overheating or fire.
The installation location may require the use of a circuit breaker. Failure to use a circuit breaker may result in electric shock or fire.
Caution
When performing electrical installation, discharge any accumulated static electricity to ground before touching the unit.
Supplied parts
Part
Part
P
a
t r
n
a
m
e
Q
u
a
t n
y t i
P
a
t r
n
a
m
e
number
number
Small
pan head
1
2
4
Nut (M4)
bolt
(M4 x 10)
Flat
3
4
4
Cable tie
washer
Operation
5
1
Manual
1
Cautions regarding the design of the control box
Control box machining diagram
External dimensions
255 mm (bolt hole pitch)
242 mm (board opening width)
bolt hole diameter: 5 mm
bolt hole diameter: 5 mm
98
Specifications
Rated voltage ·················· 100 - 240 V ~, single phase
Q
u
a
t n
y t i
Rated frequency ············· 50/60 Hz
Power consumption ········ 30 W max.
Operating temperature ··· 5° to 40° C
4
Operating humidity ·········· 20 to 80%
(non-condensing)
6
280
20
118
238

16 Installation (Electric) and Service Instructions

Take the following into consideration when designing the control box:
1. To ensure suf cient air ow for cooling, provide air vents (holes, slots, etc.) on the upper, lower, left and right sides of the box, as shown
in the gure below. (Be sure not to clog the ventilation hole when setting.)
Ensure that the temperature inside the control box does not exceed 40 °C.
Control box example
100 mm min.
2. Keep the power and communications signal lines as far apart as possible (at least 50 mm, if cabled inside the control box) to reduce the
effects of electrical noise.
Wiring example
Communications
Keeps as far away as possible
Signal lines
(at least 50mm)
2
Mounting
Caution
Do not route communications signal lines or input /
output signal lines close to power supply lines, or routing
them through the same conduit. Doing so may result in
malfunction.
Mount the unit far away from potential noise sources.
Do not mount the unit where it could get wet, or in areas of
high humidity.
Do not mount the unit where it could be subject to excessive
vibration or shocks.
Mount the unit inside a control box.
(1) Remove the two pan-head bolts from the lower sides and
bottom of the front panel.
(2) Mount the controller unit to the control box using the four
supplied bolts, washers, and nuts.
(3) Replace the front panel.
99
150 mm min.
air vents (side)
100 mm min.
50 mm min.
air vents (side)
control box (interior)
100 mm min.
air vents (bottom)
Power line (including ground)
Communications signal lines
Nuts M4 (four)
Mounting diagram
Flat washers
(four)
Pan-head bolts
M4 x 10 (four)
Front panel
Control box
Pan-head bolts
M3 x 6 (two)

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