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5565591-YIM-B-1019
54
Johnson Controls Ducted Systems
Figure 31: Typical Single Stage Gas Valve
Charging The Unit
All ZJ units use Thermal Expansion Devices. Charge the unit to
nameplate charge.
Control Board Navigation Components
The following components are needed to access the control
points in the Smart Equipment™ control. Installation and
operation guides are available from your equipment dealer or
distributor.
1.
Local LCD on Unit Control Board.
2.
Mobile Access Portal (MAP) Gateway (Portable).
• Source 1 P/N S1-JC-MAP1810-OP
3.
MAP Gateway Quick Start Guide
P/N 24-10737-16
4.
MAP Gateway Instruction
P/N 24-10737-8
For more information on the Smart Equipment™ unit control board
navigation, refer to the
Smart Equipment™ Quick Start Guide
.
NOTE:
For more in-depth sequence of operation of the Smart
Equipment™ control, refer to the
Smart Equipment™
Controls Sequence of Operation Overview
LIT-
12011950.
Figure 32: Unit Control Board
INLET
PRESSURE
TAP
OUTLET
PRESSURE
TAP
GAS
ADJUSTMENT
ELECTRICAL
TERMINALS
REGULATOR COVER
SCREW (REG. ADJ.
BENEATH THIS SCREW)
TERMINAL –
C
(COMMON)
TERMINAL –
MP
(MAIN VALVE)
ON/OFF SWITCH
C
MP
OUTLET PRESSURE TAP
INLET PRESSURE TAP
OR
W1
W2
Y1
G
Y2
OCC
C
SD-24
THERMOSTAT
WIRED HERE
{
R
X