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Front Side Piping Cover

(4) Pipes can be connected from 4 directions

Tightening Torque for Flare Nut

Pipe Size

Right Side Piping Work

5.4   Piping Connection

Pipes can be connected from 4 directions.

Rear Side 

Piping Cover

(Knock-Out Hole)

Rear Side Piping Work

(Knock-Out Hole)

(Knock-Out Hole)

Right Side Piping Work

Bottom Side

Piping Work

(Knock-Out Hole)

Front Side 

Piping Work

(Knock-Out Hole)

Front Side Piping Cover

Fig. 5.1  Piping Direction

Front Side Piping Cover

Stop Valve

Distribution 

Pipe

Remove Direction of 
Service Cover

Note Item for Remove Service Cover

Main Points for Remove 

Service Cover

Service Cover

Remove the bolts of 

service cover follow

Note

Press the service cover

right Fig.

when remove the bolts.

It is possible for service

cover to slide down.

Fix Hook (3 Points)

Fig. 5.2  Remove Service Cover 

(1) Confirm that the valve is closed.

(2) Prepare a field-supplied bend pipe for

liquid line. Connect it to the liquid valve by
flare nut through the square hole of bottom
base.

(3) For Gas Piping Connection

Prepare a field-supplied bend pipe for gas
line.  Braze it and the factory-supplied pipe
flange at the outside of the unit.

Do not apply the double 

spanner work here.

Refrigerant leakage shall

occur.

Double Spanner Work

Tightening Work for Stop Valve

Table 5.8 

as shown Fig. 5.1.  Make a knock-out hole
in the front pipe cover or bottom base to
pass through the hole.
After removing the pipe cover from the unit,
punch out the holes following the guide line
with screwdriver and a hammer.
Then, cut the edge of the holes and attach
insulation (Field-Supplied) for cables and
pipes protection.

Gap

Connect Front and Right Side Pipe 

B

A

Front Side Piping Hole 

Right Side Piping Hole

Press the service cover at front,

then remove it down slowly.

12

( )

 

Torque

14.7 ft ·lbs (20 N·m) 
29.5 ft ·lbs (40 N·m)

44.3 ft ·lbs (60 N·m) 
59.0 ft ·lbs (80 N·m)

Summary of Contents for CHV6-36URBM

Page 1: ...CHV6 36URBM CHV6 48URBM CHV6 60URBM MODEL Installation Maintenance Manual VRF AIR CONDITIONER HEAT PUMP OUTDOOR UNIT Outdoor Units ORIGINAL INSTRUCTIONS...

Page 2: ...for large difference in temperature for changing operate mode Our company our company The air conditioning installation maintenance can only be conducted by dealers or professionals Temperature Cooli...

Page 3: ...k or a fire Check that the ground wire is securely connected If the unit is not correctly grounded it may lead to electric shock Do not connect the ground wiring to gas piping water piping lightning c...

Page 4: ...s liability shall not cover defects arising from the alteration performed by a customer without our company s consent in a written form NOTE It is recommended that the room be ventilated every 3 to 4...

Page 5: ...e Space 4 4 Installation Work 6 5 Refrigerant Piping Work 8 8 8 11 12 13 14 16 17 5 1 Piping Materials 5 2 Refrigerant Piping Work 5 3 Branch Pipe for Line Branch 5 4 Piping Connection 5 5 Air Tightne...

Page 6: ...or Heat Exchanger Propeller Fan Fan Motor Check Valve Reversing Valve Distributor Check Joint for High Low Pressure Cool Heat Strainer Electrical Expansion Valve Gas Liquid Separator 1 High Pressure S...

Page 7: ...Temperature Sensor NO Strainer Electrical Expansion Valve Stop Valve for Gas Line Stop Valve for Liquid Line Bypass High Pressure Protect High Pressure Low Pressure Remark Gas Liquid Separator Compre...

Page 8: ...m correct brazing work Brazing for Tubes Nitrogen Gas Strict Control against Contamin Blow nitrogen during brazing Prevention from Oxidation during Brazing Lubrication Oil for Flare Surface Use a synt...

Page 9: ...paper Put Cloth or Paper Do not put any foreign material into the outdoor unit and check to ensure that none exists in the outdoor unit before the installation and test run Otherwise a fire or failure...

Page 10: ...he electromagnetic wave radiator When installing the outdoor unit in snow covered areas mount the field supplied hoods at the discharge side of the outdoor unit and the inlet side of the heat exchange...

Page 11: ...TE When the mark dimension is secured piping work from bottom side is easy without interference of foundation in 3 Example of fixing outdoor unit by anchor bolts Cut this portion when this type of anc...

Page 12: ...r stable installation as shown in Fig 4 6 in Base Width of Outdoor Unit 2 31 32 Frame Width 2 3 8 Field Supplied Frame Incorrect Outdoor Unit is Unstable Metal Plate Metal Plate 3 15 16 or more Correc...

Page 13: ...ap or vinyl tape Attach a cap or vinyl tape Attach a cap or vinyl bag with rubber band Do not place the pipe directly on the ground Rain water can enter 5 Refrigerant Piping Work O O O O Flaring Dimen...

Page 14: ...ld than 100 otherwise overload operation may occur in harsh conditions or narrow range 2 100 additional charge should be reduced according to the indoor unit type 5 10 3 The capacity of indoor unit sh...

Page 15: ...ngth Lt Total Pipe Lentth Outdoor is Higher than Indoor Unit Indoor is Higher than Outdoor Unit Indoor and Branch Pipe Max Height Distance betwen Indoor and Indoor or Max Pipe Length between Branch Pi...

Page 16: ...5 3 Branch Pipe for Line Branch Unit in Inner Diameter Table 5 7 Shape Branch Pipe B 10 H 11 Branch Pipe...

Page 17: ...nfirm that the valve is closed 2 Prepare a field supplied bend pipe for liquid line Connect it to the liquid valve by flare nut through the square hole of bottom base 3 For Gas Piping Connection Prepa...

Page 18: ...efrigerant piping at certain points and prevent the refrigerant piping from touching the weak part of the building such as wall ceiling etc If touched abnormal sound may occur due to the vibration of...

Page 19: ...t the pressure in the mani fold gauge does not increase Note This unit is only for the refrigerant R410A The manifold gauge and the charging hose should be exclusive use for R410A is not available it...

Page 20: ...the devices will be damaged An excess or a shortage of refrigerant is the main cause of damages to the units Charge the correct refrigerant quantity according to the description of label at the insid...

Page 21: ...Be careful that refrigerant and oil do not splash onto the electrical parts when removing the charge hoses Exclusive for Vacuum Pump and Refrigerant Charge 16 Fig 5 4 Check Joint Position 1 Maximum Pe...

Page 22: ...Length Additional Ref Charge EXAMPLE W11 CHV6 60URBM 17 a b Ref Charge W0 W1 W2 a b 100 130 130 150 CHV6 36URBM 8 4 0 026 0 013 17 4 CHV6 48URBM 8 4 0 026 0 013 17 4 CHV6 60URBM 9 0 0 026 0 013 17 4 0...

Page 23: ...Charge refrigerant R410A into the system as follows 1 For charging refrigerant connect the gauge mani fold using charging hoses with a refrigerant cylinder to the check joint of the liquid line stop...

Page 24: ...10 of nominal voltage If not electrical parts will be damaged 3 Check to ensure that the capacity of power 4 Check to ensure that the ground wire is connected 5 Check to ensure that the electrical re...

Page 25: ...l be damaged Remote Control Switch Option 3 Do not wire in front of the fixing screw of the service panel If you do the screw can not be removed NOTES 2 If total wiring length less than 98 ft 30m it i...

Page 26: ...Switch Cable Shielded Twist Pair Cable AWG18 x 2 This cable dose not need any polarity Do not apply an excessively high voltage to this cable Rated Voltage 12V Remote Control Switch Option Remote Con...

Page 27: ...el Install main switch and ELB for each system separately Select the high response type ELB that is acted within 0 1 second Separate the control wiring between outdoor unit CHV6 36URBM CHV6 48URBM CHV...

Page 28: ...e installed between power supply and air conditioning unit in such a manner that the contact spacing shall not be less than 3mm 6 Once the power cord is damaged the dealer or the professionals from de...

Page 29: ...tting Shipment I U is located higher than O U 65 ft than I U 82 ft Test Run Cool O U is located higher 24 CHV6 60URBM CHV6 36URBM CHV6 48URBM Compressor Forced Stop Digital Unit Forbid Setting Communi...

Page 30: ...12 hours to warm the compressor oil by the oil heater Pay attention to the following items while the system is running A Do not touch any of the parts by hand at the discharge gas side since the comp...

Page 31: ...26 Table 8 1 Checking of Wire Connection by Test Run...

Page 32: ...SPWT J01 27 7...

Page 33: ...eck Refrigerant Temperature Liquid Temperature o Discharge Gas Temperature o 8 Check Pressure Discharge Pressure P Suction Pressure P 9 Check Voltage Rated Voltage V Operating Voltage V Starting Volta...

Page 34: ...able 8 3 Alarm Code T 29...

Page 35: ...4 15 3 2 0 05 0 20 MPa A 50 W Min A 5 CHV6 36 48 60URBM Automatic Reset Non Adjustable For Compressor Pressure Switch High Pressure Cut Out Cut In Fuse on Main Circuit Compressor Crank Heater Power Co...

Page 36: ...08 0 V01 The Company is committed to continuous product improvement We reserve the right therefore to alter the product information at any time and without prior announcement...

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