McQuay ROOFTOP R08019034483 Инструкция по установке

McQuay
Бренд
McQuay
Модель
ROOFTOP R08019034483
Тип
Инструкция по установке
ROOFTOP PACKAGE
AIR CONDITIONER
INSTALLATION MANUAL
Group: ROOFTOP
Part Number: R08019034483
IM-5RTBR-1209(0)-McQuay
© 2009 McQuay International
IM-5RTBR-1209(0) COVER MCQUAY_EN2 2IM-5RTBR-1209(0) COVER MCQUAY_EN2 2 12/29/09 4:19:13 PM12/29/09 4:19:13 PM
English
1-1
Original Instruction
OUTLINE AND DIMENSIONS
22.1
98.0 1051.9
1660.1
2063.0
2181.0
45.3
50.5
153.7
171.0 779.0
VERTICAL
RETURN
AIR
VERTICAL
SUPPLY
AIR
97.1
513.0383.6536.5133.1
408.0
2131.0
171.2
1150.0
1638.0
FOR VERTICAL DISCHARGE
All dimensions are in mm
Model: 5RT90BR
CENTER OF GRAVITY
779.0
116.7
544.0
RETURN
AIR
SUPPLY AIR
369.0
405.0
398.0
872.1
788.1
DRAIN PIPE Ø 1"
379.1
513.0
84.8
179.5
213.5
FOR HORIZONTAL DISCHARGE
437.3
437.3
785.5
1275.0
850.0
Back view of the unit:
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1-2
DRAIN PIPE ø 1"
RETURN
AIR
FOR HORIZONTAL DISCHARGE
Model: 5RT120BR
VERTICAL
RETURN
AIR
342.1
342.1
1546.4
22.1
98.5
2113.0
2230.0
57.5
207.3
212.7
630.0
264.8
544.0 650.5 614.3
135.6
249.9
395.1
405.0
1161.3
1069.3
164.3
630.0
146.7
614.3653.3537.5279.6
407.0164.3
FOR VERTICAL DISCHARGE
All dimensions are in mm
VERTICAL
SUPPLY
AIR
2180.0
167.8
CENTER OF GRAVITY
1000.0
1410.0
SUPPLY AIR
Back view of the unit:
2209.0
1028.0
CONTROL
BOX
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English
1-3
Model: 5RT150BR
All dimensions are in mm
342.1
2180.0
1546.4342.1
22.1
2113.0
98.5
57.5
167.8
2230.0
630.0
164.3
RETURN
AIR
SUPPLY
AIR
FOR VERTICAL DISCHARGE
407.0164.3
146.7614.3653.3537.5279.6
2209.0
1130.0
264.8 544.0 650.5 614.3 135.6
DRAIN PIPE
ø 1"
FOR HORIZONTAL DISCHARGE
235.0630.0
263.5
1161.3 1069.3
328.4405.0395.1
CONTROL
BOX
SUPPLY AIR
RETURN
AIR
CENTER OF GRAVITY
Back view of the unit:
1385.0
1000.0
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1-4
All dimensions are in mm
FOR VERTICAL DISCHARGE
FOR HORIZONTAL DISCHARGE
CENTER OF GRAVITY
Model: 5RT180BR
342.1
2738.5
1546.6341.9
22.5
2670.0
98.5
47.8
167.4
2788.5
770.0
171.6
RETURN
AIR
SUPPLY AIR
509.0 179.3
201.4610.0559.5580.5281.3
2209.0
1048.0
267.6 586.0 558.3 610.0 187.3
770.0182.2
1161.8 1068.8
509.0405.2
CONTROL
BOX
SUPPLY AIR
RETURN
AIR
Back view of the unit:
1735.0
1000.0
DRAIN PIPE ø 1"
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English
1-5
ELECTRICAL WIRING DIAGRAM
Model: 5RT90BR
PART NO.: 0802 4 106498
SYMBOL NAME
MC1 Compressor Motor
MF1 Fan Motor (Indoor)
MF2, 3 Fan Motor (Outdoor)
52C1 Contactor (Compressor)
52F1 Contactor (Fan I/D)
51C1 Over Current Relay (Compressor)
TB1, 2, 3 Terminal Block
F1 Fuse
51F1 Over Current Relay (Fan I/D)
CH1 Crankcase Heater
47 Phase Protector
63H1 High Pressure Switch
63L1 Low Pressure Switch
C1,C2 Capacitor (O/D Fan Motor)
SV1 Solenoid Coil
21S41 4-Way Valve
X1, X2, X3, X4 Auxilliary Relays
SW1 Selector Switch
TR Transformer 230V~24V
TB_RA I/D Return Air Sensor
CN_ODA O/D Air Sensor
CN_SNR1 Sensor DC1, DF1 & AF1
CN_EXV1 Expansion Valve
CN_WIR Panel Remote Controller
ARRANGEMENT
Caution,
1. To protect Indoor Fan motor from
abnormal current, Over Current
Relay <51F>, is installed. Therefore,
do not change factory set value of
the Over Current Relay.
POWER SUPPLY
380~415V AC
3N~PE
50HZ
RED
WHITE
BLACK
RED
WHITE
BLACK
RED
BLUE
RED
WHITE
BLACK
RED
WHITE
BLACK
INTERNAL
PROTECTOR
RED
RED
RED
RED
PURPLE
ORANGE
BLUE
PURPLE
BLUE
RED
VIOLET
RED
RED
VIOLET
VIOLET
VIOLET
VIOLET
VIOLET
VIOLET
VIOLET
ORANGE
TRANSFORMER
63H1 63L1
DC1
SENSOR
DF1
SENSOR
AF1
SENSOR
l/D RA
SENSOR
O/D
SENSOR
EXV1
REMOTE
SELECTOR
SWITCH
PANEL
Note:
1. The dotted lines show fi eld wiring.
2. The fi gure in the parenthesis show
fi eld supply parts.
3. Color of earth wire is yellow and
green twisting.
4. Specifi cation subject to change
without notice.
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1-6
63H1
63L1
DF1 SENSOR
AF1 SENSOR
O/D RA SENSOR
EXV1
REMOTE
SELECTOR SWITCH
EXV2
DF2 SENSOR
DC1 SENSOR
DC2 SENSOR
63L2
63H2
I/D RA SENSOR
AF2 SENSOR
Model: 5RT120/150/180BR
PART NO.: 0802 4 106505
SYMBOL NAME
MC1/MC2 Compressor Motor
MF1 Fan Motor (Indoor)
MF2, 3 Fan Motor (Outdoor)
52C1/ 52C2 Contactor (Compressor)
52F1 Contactor (Fan I/D)
51C1/ 51C2 Over Current Relay (Compressor)
TB1, 2, 3, 4 Terminal Block
F1 Fuse
51F1 Over Current Relay (Fan I/D)
CH1/ CH2 Crankcase Heater
47 Phase Protector
63H1/ 63H2 High Pressure Switch
63L1/ 63L2 Low Pressure Switch
C1, C2 Capacitor (O/D Fan Motor)
SV1/ SV2 Solenoid Coil
21S41/ 21S42 4-Way Valve
X1, X2, X3, X4 Auxilliary Relays
SW1 Selector Switch
TR Transformer 230V~24V
TB_RA I/D Return Air Sensor
CN_ODA O/D Air Sensor
CN_SNR1 Sensor DC1, DF1 & AF1
CN_SNR2 Sensor DC2, DF2 & AF2
CN_EXV1/CN_EXV2
Expansion Valve
CN_WIR Panel Remote Controller
Caution,
1. To protect Indoor Fan motor from
abnormal current, Over Current
Relay <51F>, is installed. Therefore,
do not change factory set value of
the Over Current Relay.
POWER SUPPLY
380~415V AC
3N~PE
50HZ
RED
WHITE
BLACK
RED
RED
RED
WHITE
BLACK
RED
WHITE
BLACK
RED
WHITE
BLACK
INTERNAL
PROTECTOR
RED
PURPLE
BLUE
INTERNAL
PROTECTOR
RED
RED
RED
TRANSFORMER
RED
VIOLET
BROWN
ORANGE
BROWN
VIOLET
ORANGE
VIOLET
ORANGE
VIOLET
ORANGE
BLUE
VIOLET
ORANGE
RED
ORANGE
ORANGE
ORANGE
VIOLET
VIOLET
VIOLET
PURPLE
BLUE
Note:
1. The dotted lines show fi eld wiring.
2. The fi gure in the parenthesis show
fi eld supply parts.
3. Color of earth wire is yellow and
green twisting.
4. Specifi cation subject to change
without notice.
ARRANGEMENT TOP
ARRANGEMENT BOTTOM
PANEL
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English
1-7
13
12
10 11 14
15
16
4
3
3
2
9
8
1
5
7
6
7
REFRIGERANT CIRCUIT DIAGRAM
Model: 5RT90/120/150/180BR
Cooling Operation
Heating Operation
Note: (a) 5RT120, 150, 180BR consists of 2 circuits in the system.
(b) Item no. 15 & 16 are applicable for 5RT120BR only.
No Item Description
1 Compressor
2 High Pressure Switch
3 Access Valve
4 4 - Ways Valve
5 Filter Drier
6 Electronic Expansion Valve
7 Strainer
8 Accumulator
9 Low Pressure Switch
10 Solenoid Valve
11 Bypass Capillary Tube
12 Indoor Heat Exchanger
13 Outdoor Heat Exchanger
14 Check Valve 1
15 Check Valve 2
16 Compensator
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1-8
! WARNING
• Installation and maintenance should be performed
by qualifi ed persons who are familiar with local code
and regulation, and experienced with this type of
appliance.
• All fi eld wiring must be installed in accordance with
the national wiring regulation.
• Ensure that the rated voltage of the unit corresponds
to that of the name plate before commencing wiring
work according to the wiring diagram.
• The unit must be GROUNDED to prevent possible
hazard due to insulation failure.
• All electrical wiring must not touch the refrigerant
piping, or any moving parts of the fan motors.
• Confi rm that the unit has been switched OFF before
installing or servicing the unit.
• Disconnect from the main power supply before
servicing the air conditioner unit.
• DO NOT pull out the power cord when the power is
ON. This may cause serious electrical shocks which
may result in fi re hazards.
• Keep the air-conditioner units, power cable and
transmission wiring, at least 1m from TVs and radios,
to prevent distorted pictures and static. {Depending
on the type and source of the electrical waves, static
may be heard even when more than 1m away}.
! CAUTION
Please take note of the following important points
when installing.
• Do not install the unit where leakage of fl ammable
gas may occur.
If gas leaks and accumulates around the unit, it
may cause fi re ignition.
• Ensure that drainage piping is connected
properly.
If the drainage piping is not connected properly,
it may cause water leakage which will dampen
the furniture.
• Do not overcharge the unit.
This unit is factory pre-charged.
Overcharge will cause over-current or damage
to the compressor.
• Ensure that the unitʼs panel is closed after service
or installation.
Unsecured panels will cause the unit to operate
noisily.
• Sharp edges and coil surfaces are potential
locations which may cause injury hazards.
Avoid from being in contact with these places.
• Before turning off the power supply, set the remote
controllerʼs ON/OFF switch to the “OFF” position
to prevent the nuisance tripping of the unit. If
this is not done, the unitʼs fans will start turning
automatically when power resumes, posing a hazard
to service personnel or the user.
• Do not operate any heating apparatus too close to
the air conditioner unit.
• Donʼt use joined and twisted wires for incoming
power supply.
IMPORTANT
ENGLISH
Important information regarding the refrigerant
used
This product contains fl uorinated greenhouse gases
covered by the Kyoto Protocol. Do not vent gases into
the atmosphere.
Refrigerant type: R410A
GWP
(1)
value: 1975
(1)
GWP = global warming potential
The refrigerant quantity is indicated on the unit name
plate. Periodical inspections for refrigerant leaks may
be required depending on European or local legislation.
Please contact your local dealer for more information.
INSTALLATION MANUAL
SAFETY PRECAUTIONS
This manual provides the procedures of installation to ensure a safe and good standard of operation for the
air conditioner unit.
Special adjustment may be necessary to suit local requirements.
Before using your air conditioner, please read this instruction manual carefully and keep it for future
reference.
This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or
for commercial use by lay persons.
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English
1-9
INSTALLATION OF THE UNIT
(a) Location For Installation
Install the unit in such way that air distributed by the unit cannot be drawn in again (as in the case of short circuit of
discharge air). Allow suffi cient space for maintenance around the unit.
When two or more units are installed in a location, they must be positioned such that one unit will not be taking the
discharge air from another unit.
Ensure that there is no obstruction of air fl ow into or out of the unit. Remove obstacles which block air intake or air
discharge.
The location must be well ventilated, so that the unit can draw and distribute plenty of air.
The unit is recommended to install in:-
A place capable of bearing the weight of the unit and isolating noise and vibration.
A place where has adequate drainage.
A place where the unit will not be buried in snow.
A place where air outlet port is not exposed to strong wind.
A place where the air discharge and operating sound level will not annoy the neighbours.
The location where it is not accessible by general public.
(b) Duct Construction
• This unit are equipped with supply and return air openings. Duct connection to the unit should be made with duct
fl anges and secured directly to the air openings with fl exible duct connectors to avoid normal noise transmission.
• To prevent air leakage, all duct seams should be sealed.
• Ducts in the spaces that not air-conditioned, must be insulated.
• Ducts exposed to the outside must be weather proofed.
• Ducts that entering building through the roof, the entering should be sealed with weather stripping to prevent rain, sand,
dust etc, from entering the building.
• Correct size of fi lter must be installed at the return air duct.
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1-10
(c) Unit Support (For down throw unit only)
1. The fi gure shows the use of the roof curb for mounting
these units.
2. The curb should be sealed and fi xed to the roof by
weather stripping. A suggested means of sealing the unit
and roof curb as shown in the right.
3. Recommended roof curb dimension is shown below.
Seal with tar
Roof deck
Roof curb
Unit
N
Section A-A
300.0
140.0
M
B
K
LJI
A
C
B
F
C
A
25.0
E
Section B-B
B
D
Section C-C
C
O
P
A
F
300.0
25.0
355.0
Model
(5RT-BR)
90 120/150 180
A 1821.0 1890.0 2448.0
B 1505.5 2081.0 2081.0
C 1881.0 1908.0 2466.0
D 1468.5 1998.0 1998.0
E 15.0 25.0 25.0
F 20.0 43.0 46.0
G 838.2 698.7 827.0
H 538.1 676.0 676.0
I 272.4 538.9 444.6
J 605.1 599.8 645.8
K 0.0 104.6 104.6
L 0.0 25.0 25.0
M 1781.0 1804.0 2362.0
N 479.7 475.7 589.0
O 50.0 52.0 52.0
P 15.0 25.0 25.0
G
Note: All dimensions are in mm
H
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English
1-11
(f) Space Required Around Unit
Refer diagram below for the space required around the unit. Note that:-
(a) All dimensions shown are in mm.
(b) All space value shown are minimum clearance required for the unit.
(c) Unit shown in the diagram is 5RT90BR. Other models shall follow the same clearance.
(d) Unit Lifting
Holes at 4 corners of the unit base are used for unit lifting
purpose.
The spreader bar shall be slightly wider than the unit
width.
The insulation should be added at 4 corners of the chain
to prevent the damage of the panel when lifting.
Note:
Unit shown in diagram is 5RT90BR.
Other models will follow the same method in lifting.
(e) Drain Piping
• A 1" MPT condensate drain fi tting is provided. The
drain pipe can be led out at the front side.
• The drain pipe must be provided with a trap on the
outside of the unit and also installed at an incline for
proper drainage, as shown in the right.
• To prevent condensate formation and leakage, provide
the drain pipe with insulation to safeguard against
sweating.
• Upon completion of piping work, check that there is no
leakage and that the water drains off properly.
Chain
Lifting beam
Spreader
bar
Lifting holes for
shackle (4 corners)
Condenser
air outlet
3000
Condenser
air inlet
1200
1200
Blower & motor
service
Air fi lter
service
Evaporator coil
service
1200
Electrical control
circuit service
Compressor service
The drain piping should have a drain trap.
Drain piping
The drain pipe
should extend
below this level.
Drain trap
A
B
C
Note: ESP = External Static Pressure
Drain trap for condensate
A 70mm
B 2C
C 2 X ESP
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1-12
(g) Unit Conversion
In the case of converting standard unit to downfl ow unit, follow the steps as stated below:
5RT90/120/150/180BR
Step 1 Step 2
Step 4 Step 3
Remove the side panel
Remove the Pulley Belt
Detached the
blower support
Detached blower
Remove screws
at both sides
For 5RT90BR:
The two side plates are screwed
on the blower support as shown
For 5RT120/150/180BR:
The two downfl ow structure
are screwed to blower
Cover the
horizontal supply
opening with the
blower support that
detached from the
blower.
Turn the blower to face bottom.
Screw at both sides.
Install back
the pulley
belt. Adjust
the belt
tension by
moving the
motor base.
Cover the horizontal
return opening with the
cover and screw tightly
Unscrew the vertical
return cover from the
base panel
Remove the side
panel at return side
Lastly, install back the side panel.
Install back the pulley belt. Adjust the belt tension.
Lastly, install back the side panel.
Note:
For down fl ow conversion, belt length will need to
be changed.
For unit with standard pulley, belt length = a mm
Shaft to shaft Distance for downfl ow, C-C = b mm
5RT90BR 5RT120BR 5RT150BR 5RT180BR
a 1120 1180 1150 1362
b 380 410 380 460
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English
1-13
PHYSICAL DATA
ELECTRICAL DATA
Heat Pump (R410A)
Heat Pump (R410A)
Model 5RT90BR 5RT120BR 5RT150BR 5RT180BR
Power supply V/Ph/Hz 380-415/3N~/50
Max continuous current (Comp) A 26.0 16.5/16.5 19.0/19.0 26.0/26.0
Full load current (FLA, Comp) A 21.0 12.2/12.2 15.0/15.0 21.0/21.0
Locked rotor current (LRA, Comp) A 111.0 74.0/74.0 101.0/101.0 111.0/111.0
WIRE CONNECTION
• All electrical work must be carried out by qualifi ed electrician and accordance with local supply requirement and
associate regulation.
PE
a
b
c
d
g
e
f
(2) Wiring connection to unit
Route the power supply wires and control wire through the knockout holes in the unit.
Remove the service panels and connect the units power supply wires to terminal block inside the control box, as
shown.
Model
5RT90BR 5RT120BR 5RT150BR 5RT180BR
Refrigerant R410A
Refrigerant charge kg 6.1 5.8/5.8 7.2/7.2 8.7/8.7
Evaporator air fl ow
CFM 3300 4300 5650 6600
L/S 1557 2029 2667 3115
External static pressure
mmAq 15 21
Pa 147 206
Condenser air fl ow
CFM 8230 6000/6000 6050/6050 6450/6450
L/S 3884 2831/2831 2855/2855 3044/3044
Control Wired Rooftop Controller
Control wire length (Standard/Max) : Size m : mm
2
15 / 100 : 3
Compressor (Type/Quantity) Scroll/1 Scroll/2 Scroll/2 Scroll/2
Air fi lter (Type/Quantity) Washable Saranet/2
Air fi lter dimension (Length x Width x Thickness) mm 880 x 467 x 4 1126 x 385 x 4 1126 x 435 x 4 1497 x 392 x 4
a. Power supply d. Unit
b. Main switch/fuse
(fi eld supply)
e. Remote control
f. Connection wiring for
unit & remote controllerc. Power supply
wiring for unit
g. Earth
Method for connecting electric wire
Before connecting the wire, consult the electric power company of jurisdiction.
(1) The entire wiring diagram of unit
The equipment fulfi ls the requirements in EN 61000-3-11 and is subject to conditional connection to the mains. It may be
connected in consultation with the supply authority. The equipment may only be connected to a mains supply with a system
impedance of less than the value stated in table below. The system impedance in the interface point may be obtained from
the supply authority.
If the mains supply has a higher system impedance, short voltage dips may appear when the equipment is started or during
operation. This may infl uence or disturb the operation of other apparatuses, e.g. fl ickering lamps, especially those
connected to the same supply mains.
Model Maximum impedance (Z
max
), ohm
5RT90BR 0.22
5RT120BR 0.23
5RT150BR 0.21
5RT180BR 0.21
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1-14
Note:
While installing the circuit breaker onto the unit, make sure that the screws do not damage the components (e.g. coil)
inside the unit.
The switch box also can be installed without attaching to the unit.
The knockout holes are only in 5RT90BR; 5RT120BR, 5RT150BR & 5RT180BR comes with a power cable hole.
5RT90BR 5RT120/150/180BR
Wiring Example And Selection Of Circuit Breaker
Model Power cable
(mm
2
)
Breaker
capacity(A)
Over current
protection switch (A)
Earth cable
(mm
2
)
5RT90BR 432 32 4
5RT120BR 640 40 6
5RT150BR 10 40 40 10
5RT180BR 10 50 50 10
Note:
A main switch or other means for disconnection, having a contact separation in all poles, must be incorporated in
fi xed wiring in accordance with local and national legislation.
• The unit is to be wired directly from an electrical distribution board either by a circuit breaker (preferred) or HRC fuse.
• Fix the power supply wiring to control module. Connect control wiring to control terminal block through the control
boxʼs hole.
• Earth wiring must be connected.
• The power supply cord must be equivalent to H05VV-F (60227 IEC 52 or 60227 IEC 53) which is the minimum
requirement, and to be used in protective tube.
! WARNING
• Before working in this unit, isolate it from the power supply.
• Electrical wiring to this unit and the remote controller shall be installed in accordance with the appropriate
requirement of the local wiring code.
Observe the notes mentioned below when wiring to the terminal
block. Precautions to be taken for power supply wiring.
(Use a round crimp-style terminal for connection to the terminal
block. In case it cannot be used due to unavoidable reasons, be sure to
observe the following instruction.)
! CAUTION
When connecting the connection wires to the terminal block using a single core wire, be sure to perform curling.
Problems with the work may cause heat and fi res.
• Pull the wire and make sure that it does not disconnect. Then fi x the wire in place with a wire stop.
Recommended
switch box position
Terminal block
Terminal block
Power cable
Power cable
Stripping wire at terminal block
Good
Wrong
Strip wire end
to this point.
Excessive strip length
may cause electrical
shock or leakage.
CONTROL
BOX
CONTROL
BOX
Round crimp-style
terminal
Stranded wire
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English
1-15
10 30
15
-15
-10
20
20
18
10
0
-20
27
52
50
43
40
20
10
30
0
-10
14
10 20
19
23 30
Arrangement of terminal blocks and components for controller are shown as below:
a) Control Module 5RT90BR
b) Control Module 5RT120/150/180BR
(Bottom Layer) (Top Layer)
OPERATING RANGE
Ensure the operating temperature is within the allowable range, as stated in diagram below:
Cooling
Heating
Outdoor DB temperature (°C)
Indoor WB temperature (°C)
Outdoor WB temperature (°C)
Indoor DB temperature (°C)
No. Item Description
1
Controller Main Board
2
EXV Controller Board
3
Capacitor
4
Contactor
5
Phase Protector
6
Relay
7
Terminal Block
8
Fuse
9
Transformer
1
9
5
6
8
7
4
7
3
2
1
9
5
6
8
7
4
7
3
2
4
7
The use of the air conditioner outside the
range of working temperature and humid-
ity can result in serious failure.
! CAUTION
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1-16
The unit is equipped with a controller main board, and a wired remote controller is connected to the controller main board.
All the setting in the unit is preset by the manufacturer. It is not recommended to change the setting unless necessary.
a) Remote Controller Location
The remote controller is located on a metal bracket behind the service panel. It is packed together with installation manual.
5RT90BR 5RT120/150/180BR
b) LED Display (Controller Main Board)
The LED will blink when power up the unit.
c) LCD Display (Remote Controller)
During normal operations, the LCD displays compressor on/off status, mode, set temperature and so on. Refer to
Operating Manual for the details of operation guide. The LCD will display the main screen upon power-up. When
malfunctioning occur, a pop-up message will appear on the LCD with backlight blinking and ʻbeepʼ sound.
d) Optional Confi gurations
The controller main board can be used as the interface for thermostat control and BMS system.
(i) Thermostat control (TB_THM-I)
• To use this control, set Dip Switch Setting: SW1-ON (default is OFF).
• Follow the method below for thermostat control inputs:
CONTROL OPERATION GUIDE
Remove
service
panel
Note:
• When the controller main board is confi gured as thermostat control, the remote controller is used for monitoring
purpose only.
• Unit needs to be restarted (power off and on) whenever dip switch setting is changed.
(ii) BMS control (TB_BMS-I)
• To use this control, set Dip Switch Setting: SW3 - ON (default is OFF) and panel parameter G8 to ʻ1ʼ.
• For TB_BMS-I, there are 3 control inputs:
unit on/off; operating mode (cool-0/heat-1); and set point (4~20mA).
• Refer below table for installation recommendations:
CONTROL
BOX
CONTROL
BOX
G Y1 Y2 W1 W2 Mode Operation
0 0 0 0 0 - Unit off
1 0 0 0 0 Cool Indoor fan on
X 1 0 X X Cool 1 stage compressor
X 1 1 X X Cool 2 stage compressor
X 0 X 1 0 Heatpump/Heater 1 stage compressor
X 0 X 1 1 Heatpump/Heater 2 stage compressor
Remark: X = Donʼt care.
• Refer table below for installation recommendations:
Input Rated voltage Rated current Wire size
G
24V AC 5mA AWG22~18
Y1
Y2
W1
W2
ON
OFF
TB_THM-I
Note:
• When the controller main board is confi gured as BMS control, the remote controller is used for monitoring
purpose only.
• Unit needs to be restarted (power off and on) whenever dip switch setting is changed.
1 2 3 4 5 6 7 8
ON
OFF
TB_BMS-I
Input TB_BMS-I Rated voltage Rated current Wire size
On/Off 24V AC 5mA
AWG22~18Operating mode 24V AC 5mA
Cool/Heat set point - 4~20mA
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English
1-17
Remark: X = Donʼt care.
(2) For BMS control, the outputs are indicated as shown in the table below.
BMS input
(SW3-ON)
ERROR DEFROST
Alarm
output
Output1 Output2
Defrost
signal
ON/OFF
OPERATING
MODE
COOL/HEAT
SET POINT
(AL) (O1) (O2) (DFRT)
00 XXXX00X
01 XXXX01X
10 XXXX10X
11 XXXX11X
XX X1X1XXX
XX XX1XXX1
Remark: X = Donʼt care.
The diagram below shows the position for terminal blocks in the controller board which are used for thermostat
control and BMS system. Beside that, the output pins for auxilliary electrical heater are shown as well.
(3) Auxilliary Electrical Heater Output (HTR1 and HTR2)
•
There are two output pins (HTR1 and HTR2) on controller main board, which are used to energize the heater
contactor. The contactor must be selected accordingly to avoid any safety issue(s).
•
The heater shall be installed in accordance with local and national legislation. It must comply with EN60335-2-40.
•
Thermal fuse(s) shall be installed on the heater to eliminate any danger or damage on the heater/unit. This is
especially critical when there is any malfunction happen to controller main board or blower.
•
The heater shall be in a safe location, whereby no risk of damage could be happen on the unit.
•
Use non-fl ammable duct for the unit that is installed with heater
•
Use different power supply for electrical heater and install a circuit breaker for each of the heater.
•
Maximum temperature in the unit must not exceed 60°C. Temperature measurement shall be taken during the
installation or commisioning in order to ensure the temperature not exceed this value.
Select the proper safety device or thermal protector accordingly.
•
The heater shall never be installed inside the unit. The recommended location for the heater is inside the supply
duct, whereby the distance of the heater is suffi cient to ensure the temperature inside the unit does not exceed 60°C.
(iii) Dry contact output (TB_BMS-O)
• For TB_BMS-O, there are 4 monitoring outputs: error alarm; output1; output2; and defrost signal.
• Refer table below for installation recommendations:
Input TB_BMS-O Rated voltage Rated current (A) Wire size
Alarm output (AL) 230V AC/125V AC/30V DC 1/3/3
AWG22~18
Output1 (O1) 230V AC/125V AC/30V DC 2/3/3
Output2 (O2) 230V AC/125V AC/30V DC 3/3/3
Defrost signal (DFRT) 230V AC/125V AC/30V DC 4/3/3
• The output signals will vary depending on the confi guration of controller main board, whether it is thermostat
control or BMS control.
(1) For thermostat control, the outputs are indicated as shown in the table below.
Thermostat input
(SW1-ON)
ERROR DEFROST Alarm output Output1 Output2
Defrost
signal
G Y1 Y2 W1 W2 (AL) (O1) (O2) (DFRT)
0000 0 X X X 0 0 X
1000 0 X X X 0 1 X
X10XX X X X 1 0 X
X11XX X X X 1 0 X
X0X1 0 X X X 1 1 X
X0X1 1 X X X 1 1 X
XXXX X 1 X 1 X X X
XXXX X X 1 X X X 1
Thermostat Control (TB_THM-l)
Connect to
third party
controller
BMS System (TB_BMS-l)
Connect to
BMS
System
Dry Contact Outputs (TB_BMS-O)
Controller Main Board
Alarm
output
(AL)
Output
1 (O1)
Output
2 (O2)
Defrost
signal
(DFRT)
Heater Output (HTR1 and HTR2)
Connect to
heater
contactor
Connect to
heater
contactor
Unit
on/
off
Cool/
Heat
mode
select
Cool/
Heat
set
point
Supply
Voltage
24V AC
Thermostat control
inputs
(G, Y1, Y2, W1, W2)
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1-18
SERVICE AND MAINTENANCE
SERVICE OF THE FILTER
• Remove any dust adhering to the fi lter by using a vaccum cleaner or wash in lukewarm water (below 40°C) with
neutral cleaning detergent.
• Rinse the fi lter well and dry before placing it back onto the unit.
• Do not use gasoline, volatite substances or chemicals to clean the fi lter.
• Clean the fi lter at least once every 2 weeks. Or more frequently if necessary.
Filter Position
The fi lters are mounted in front of the indoor heat exchanger.
Unit shown in the diagram is 5RT90BR. Other models shall follow the same method.
Remove fi lter cover for fi lter service. Alternatively, remove service panel for fi lter service.
VACUUMING AND CHARGING
The rooftop package units are factory pre-charged with suffi cient refrigerant. However, there may be a need for charge
recovery during service and maintenance works. Therefore, some precautions must be taken to ensure optimum and
trouble-free system operation:
(i) The system should be throughly vacuumed to ensure no incompressible gas and moisture in the system.
(ii) Use a vacuum pump for R410A exclusively. Using the same vacuum pump for different refrigerants may damage the
vacuum pump or the unit.
(iii) The refrigerant should never be released directly into the environment.
(iv) When charging R410A, ensure that only liquid is being withdrawn from the cylinder or can.
Normally, the R410A cylinder or can is being equipped with a dip-pipe for liquid withdrawal. However, if the
dip-pipe is not available, invert the cylinder or can so as to withdraw liquid from the valve at the bottom.
! CAUTION
• R410A must be charged as liquid. Usually R410A cylinder is equipped with a dip-pipe for liquid withdrawal. If there is
no dip-pipe, the cylinder should be inverted so as to withdraw liquid R410A from the valve.
• Do not top-up when servicing leak, as this will reduce the unit performance. Vacuum the unit thoroughly and then
charge the unit with fresh R410A according to the amount recommended in the specifi cation.
Invert cylinder
without dip-pipe
Liquid
withdrawal
Dip-pipe
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McQuay ROOFTOP R08019034483 Инструкция по установке

McQuay
Бренд
McQuay
Модель
ROOFTOP R08019034483
Тип
Инструкция по установке
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