Mars Comfort-Aire Century VCD24 SA Series Installation instructions

517.787.2100 • www.marsdelivers.com
Installation and
Owner’s Manual
IMPORTANT NOTE:
Please read this manual carefully
before installing or operating your
wired remote controller. Make sure to
save this manual for future reference.
WIRED REMOTE CONTROLLER
MODEL:KJR-120X/TFBG-E
WIRED CONTROLLER
Installation and Owner’s Manual
Hyper Heat
Single-Zone
Control Model
KJR-120X/TFBG-E
Models
VCD24, 30, 36, 48, 60 SA Series

Wired Controller IOM - VCDxxSA
This manual gives detailed description of the precautions
that should be brought to your attention during operation.
In order to ensure correct service of the wired controller
please read this manual carefully before using the unit.
For convenience of future reference, keep this manual
after reading it.
All the pictures in this manual are for explanation purposes
only. There may be slightdifferences from the wired
remote controller you purchased (depending on model).
The actual shape shall prevail.
Installation and
Owner’s Manual
IMPORTANT NOTE:
Please read this manual carefully
before installing or operating your
wired remote controller. Make sure to
save this manual for future reference.
WIRED REMOTE CONTROLLER
MODEL:KJR-120X/TFBG-E

Wired Controller IOM - VCDxxSA
1. Safety precaution
2. Installation accessories
3. Installation method
4. Specifications
5. Feature and function of the wired controller
6. Nameson the LCD of the wired controller
7. Namesof buttonson the wired controller
8. Preparatory operation
9. Operation
10 Timer functions
11. Weekly Timer 1
12.Weekly Timer 2
13.Fault alarm handling
14.Technical indication and requirements
15.Queries and settings
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Table of Contents

Wired Controller IOM - VCDxxSA
1
1. Safety precaution
WARNING
Please entrust the distributor or professionals to install the unit.
Installation by other persons may lead to imperfect installation,
electric shock or re.
Adhere to this installation manual.
Reinstallation must be performed by professionals.
•
•
•
•
NOTE
•
•
Do not install the unit in a place vulnerable to leakage of
ammable gases.Once ammable gases are leaked and left
around the wire controller, re may occure.
Do not operate with wet hands or let water enter the wire
controller. Otherwise, electric shock may occur.

Wired Controller IOM - VCDxxSA
2
1. Safety precaution
NOTE
The specified cables shall be applied in the wiring. No
external force may be applied to the terminal. Otherwise,
broken wires and heating may occur and result in fire.
•
2. Installation accessory
Select the installation location
Preparation before installation
1. Please confirm that all the following parts have been supplied.
1
2
3
4
5
3
2
M3.9X25 (For Mounting on the Wall)
M4X25 (For Mounting on switch box)
6
7
8
3
2
No. Name Qty. Remarks
Wire controller
Installation and owner’s manual
For Mounting on the Wall
Plastic screw bars
Screws
Wall plugs
For fixing on switch box
Optional
Screws
9Screw
1
1
Battery
The connective wires group
1
1
1
M4X8(For Mounting the connective wire group)

Wired Controller IOM - VCDxxSA
3
2. Installation accessory
Precaution of installing the wired controller
1. This manual provides the installation method of the wired
controller. Please refer to the wiring diagram of this installation
manual to connect the wiredcontroller with indoor unit.
2. The wired controller works in a low voltage loop circuit. DO
NOT directly contact the cable to high voltage above, 24V.
Wiring clearance between configured tubes should be at the
range of 300~500mm or above.
3. The Shielded wire of the wired controller must be grounded.
2. Prepare the following assemblies on the site.
1
2
1
Switch box
Wiring Tube(Insulating
Sleeve and Tightening
Screw)
Qty.(embeded
into wall)
No. Name Remarks
Specification
(only for reference)
1

Wired Controller IOM - VCDxxSA
4
3. Installation method
Fig 3-2
Fig 3-1
1.Wired remote controller structural dimensions
2.Remove the upper part of wired controller
Insert a slot screwdriver into the
slots in the lower part of the wired
controller (2 places), and remove
the upper part of the wired
controller. (Fig.3-2)
3/4"
3 - 3/8"
1 - 3/4"
2 - 3/8"
1 - 3/4"
4 - 3/4"
4 - 3/4" 3/4"
Buckling
position Back cover
Straight head
screwdriver
Front cover

Wired Controller IOM - VCDxxSA
5
3. Installation method
Fig 3-3
Fig 3-4
For exposed mounting, fasten the back plate on the wall with
the 3 screws (M4×20) and plugs. (Fig.3-3)
Use two M4X25 screws to install the back cover on the 86
switch box, and use one M3.9X25 screw to x to the wall.
3. Fasten the back plate of the wired controller
Back plate
Screws (M4×20)
Screw hole fixed on the wall, use one φ3.9X25mm
Screw hole installed on 86 switch box, use two M3.9X25mm
NOTE: The PCB is mounted in the upper part of the wired
controller. Be careful not to damage the board
with the slot screwdriver.

Wired Controller IOM - VCDxxSA
6
3. Installation method
•Put the battery into the installation site and make
sure the positive side of the battery is in accordance
with the positive side of installation site.(See Fig.3-5)
•Please set the time correctly the first time batteries
are installed. Batteries in the wiredcontroller can
keep time under power failure which ensuresthe
time is right. When the powerrestores, if the time
displayed is not correct, it means the battery is dead
and you need to replace the battery.
Fig 3-5
4. Battery installation
NOTE: Put on a at surface. Be careful not to distort the
back plate of the wire controller by overtightening the
mounting screws.

Wired Controller IOM - VCDxxSA
7
1 Indoor unit
2 Notch the part for the wiring to pass through with nippers, etc.
Connect the terminals on the remote controller (HA ,HB), and
the terminals of the indoor unit (HA ,HB). (HA and HB do not
have polarity.)
HA HB
1
3. Installation method
Fig 3-6
5. Wire with the indoor unit
DO NOT allow water to enter the wiredcontroller.
Use the trap and putty to seal the wires.
Connecting wires must be xed reliably and cannot be
pulled.
1 - 3/4"
2 -3/8"
Wiring
hole
switch box
AB
NOTE: