Installation and Commissioning Guide
Hercules Package Unit
37
Installation and Commissioning Guide - Hercules Package Unit
Doc. No.0525-021
Ver. 21 221110
16.02. Internal Sensors Control Wiring Procedure
1. Open Access-Door Control Section
2. Remove Access Panel-Electrical Isolator Section
• Perform steps 1 and 2 of Main Supply Cable Installation
section to gain access to control panel.
1
ACCESS DOOR -
CONTROL
QUARTER
TURN
LOCKS
LOCK
SCREWS
2
ACCESS DOOR
CONTROL
CONTROL
INTERFACE
CM100
CONTROLLER
CONTROL PANEL
ACCESS PANEL
ELECTRICAL
3. Thread the Return Temp Sensor cable into the Unit
• Pierce hole in rubber grommet to allow cable access.
• Thread the cable through the access hole.
POWER
SUPPLY
ACCESS
DATA ACCESS
RUBBER
GROMMET
CONTROL
CABLE
NOTES
1. Bottom cable access is also provided to
suit bottom cable routing requirement.
2. Wire also the Humidity Sensors (to
be purchased separately) if used for
Economy Cycle or ReHeat options.
4. Route and connect control cable into the Unit
•
Route the control cable, as shown below:
•
Secure cable with wire ties and clamps.
•
Connect cable as per wiring diagram provided with the unit.
(1)FAULT RELAY COMMON
120 Ω
RESISTOR
DO NOT USE
(3RD PARTY CONTROLS ONLY)
HUMIDITY SENSOR DATA OUTPUT
(REMOVE 120 Ω RESISTOR)
(3)OPTIONAL
REMOTE ON/OFF RELAY INPUT
OR AFTER HOURS P/B INPUT
(2)RETURN TEMP SENSOR
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
FAULT COM
FAULT NC
FAULT NO
RETURN AIR
SENSOR
IN-FAN DEMAND
0 - 10V
GND
REMOTE ON/OFF
DEHUMIDIFY ON
(24VAC)
HEAT ON (24VAC)
24VAC OUT
24VAC OUT
0VAC OUT
GND (SHIELD)
RX+ / TX+
RX- / TX-
TERMINAL
(1)FAULT RELAY NC COMMON
(1)FAULT RELAY NO COMMON
NOTES
1. Fault Relay Output Max. Rated: 250VAC 5A Resistive.
2. Return Temperature Sensor with 6m cable supplied with the unit. Installer to fit and connect.
3. Term 20 and 21 are used for Remote ON/OFF or After Hours input. Only one function is allowed at one time.
• If required, wire an After Hours N/C or N/O impulse push button into Term 20 and 21 when using the 7-Day Scheduler.
• The Remote On/Off function is not available when operating the 7-Day Scheduler.
• Refer to Unit Control Mode (Internal Sensors) for control configuration information.
Содержание HERCULES PKV1400T
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