5167534-YIM-G-0518
54
Johnson Controls Ducted Systems
Figure 31: Typical Single Stage Gas Valve
Charging The Unit
All ZH units use Thermal Expansion Devices. Charge the unit to
nameplate charge.
Smart Equipment™ 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
