Johnson Controls York Smart Equipment SC-EQ, Руководство по установке

Страница: 16 / 52

JOHNSON CONTROLS
16
FORM 450.50-N1
ISSUE DATE: 08/19/2019
SECTION 2 - INSTALLATION
4 #8 Nylon
Washers
(OptiView /
Lattitude)
3/8 in. Screw
8 x32
(OptiView)
Power Harness
(OptiView)
4 Position
Connector
Communication Cable
(OptiView / Latitude)
YMC
2
Power
Harness (OptiView)
4 Position
Connector
YMC 2 Communication
Cable (OptiView)
LD20002
100 OHM
Resistor
FIGURE 8 - SC-EQ OPTIVIEW INSTALLATION KIT
(ALL CHILLERS) (YORK P/N 331-03607-000)
Resister
Tie
Wrap
100 OHM
Sheet
Metal
Screw
Expansion
Nut
Expansion
Nut Screw
LD20003
Power Harness
(Latitude)
4 Position
Connector
2 Position
Connector
Communication
Wiring Harness
FIGURE 9 - SC-EQ SCREW CHILLER
INSTALLATION KIT PART NUMBER 392-41228-000
LD20004
Primary
120 VAC
Secondary
24 VAC
Primary
Power
Wiring
Harness
Secondary
Power Wiring
Harness
Communication
Wiring Harness
24 VAC
Power
Transformer
Resister
Tie
Wrap
100 OHM
Sheet
Metal
Screw
Expansion
Nut
Expansion
Nut Screw
FIGURE 10 - SC-EQ SCROLL CHILLER
INSTALLATION KIT PART NUMBER 392-41230-001
SMALL TONNAGE PANEL INSTALLATION
1. Attach the SC-EQ Comm Card board to the panel
in the upper right side of the enclosure using the
four expansion screws and nuts provided in the
IPU-II Panel Installation Kit (see Figure 11 on
page 17
).
2. Attach the 24 VAC transformer to the panel to the
left of the SC-EQ board using two screws ( Figure
10 on page 16 ).
3. Connect the communications cable (included
with the kit) between the SC-EQ board J8 (RS-
485) and the IPU-II Micro board TB1.
4. Connect the transformer to the terminal block.
5. Connect the transformer to SC-EQ J10 and secure
the wiring with tie-wraps.
6. For RS-485 2-wire operation, connect a 100 ohm
1W resistor between SC-EQ J12 COM and J10
COM with a wire then run to Ground in the panel.
(see Figure 4 on page 14 and Figure 5 on page
14 )