Delta RowCool HCH1CB0, User Manual, Page: 27 / 128

2 3
Chapter 3 Installation
No. Item Description
u
Remote
tempera-
ture sensor
ports At most, three remote temperature sensors (two are provided) can
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them for you in installation for accurate detection of the temperature
of heat loads.
v
Remote
temperature
and
humidity
sensor port Connects the remote temperature-humidity sensor (purchase sepa-
rately) for accurate detection of the temperature and humidity of
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installation.
w
Display
interface
Connects the control panel locating in front of the unit for informa-
tion output.
y
Rear
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-
necting components are shown in the table below.
TEMP. & HUMIDITY LD DP FM
INLET OUTLET
WATER TEMP. AC 24V
VIN-B
2 1
VIN-A
QPM BV
AC24V
DPS
p
q r v
n
w
o
u s t 11 12
(Fig. 3-18: Rear of control box)
No. Connects to No. Connects to
n
Pressure sensor
t
Flow meter
o
Three-way ball valve actuator
u
Outlet and inlet water temperature sensor
p
Output power (AC 24V)
v
Temperature and humidity sensor 2
q
Pressure difference switch (de-
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w
Temperature and humidity sensor 1
r
Water leakage detector
11
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s
Drain pump sensor
12
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