McQuay MDS300B Installationsanleitung Seite 118
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1. Use the Confirmation table to add more secondary refrigerant
■ Calculate the additional amount of secondary refrigerant required according to the diameter and
length of the copper pipes.
■ The table below lists the formula used to calculate the additional amount of secondary refrigerant
needed for liquid copper pipes of various diameters (The amount of secondary refrigerant required
for the pipes that come with the indoor unit is already available).
Annex 9 Confirmation Form
Diameter of Additional amount of Length of Required amount of
copper pipe secondary refrigerant (g/m) accessory pipe (m) secondary refrigerant (kg)
φ6.35
φ9.52
φ12.7
φ15.88
φ19.05
φ22.23
Total
2. What to be confirmed before the trial run
Power off protection- current Outdoor unit A Indoor unit A
Power cable model Outdoor unit mm
2
Indoor unit mm
2
If the addresses of the indoor unit are properly set
If the indoor unit is powered
If the communication line is properly connected
If the manifolds are mounted as required
If the condensate water pipe of the indoor unit is clear
If the equipment is properly grounded
If the equipment is properly insulated( = 10O)
If the input voltage is correct (220V ± 10% or 380V ± 10%)
Check that the accessory pipes are airtight and vacuum before they are refilled
If the number of indoor units is preset using the outdoor unit controller
If the valve of the outdoor unit is opened
3. Test and maintenance record
Below are the operating parameters that must be recorded during the test.
Recorded by: Date of recording:
Suction Exhaust Voltage
（v）
Current(v) Transient heat of the Environment
pressure (bar)
pressure (bar) entire equipment（℃） temperature（℃）
Record of unit maintenance
Recorded by: Date of recording:
Suction Exhaust Voltage Current Transient heat of the Environment Remarks
pressure (bar) pressure (bar) (v)
（A）
entire equipment
（℃）
temperature
（℃）
1
st
time
2
st
time
3
st
time
4
st
time
5
st
time
6
st
time
- CONTENTS 3
- Overview 4
- 1.2.3 System principle 6
- MDS080R、 MDS100BR、MDS120BR 7
- MDS150BR 7
- MDS200BR、MDS220BR、MDS240BR 8
- MDS180BR 8
- MDS280BR、MDS300BR 9
- MDS260BR 9
- 1.3 Main features 10
- 1.4 Nomenclature 12
- 1.5 Products Series 14
- 1.6 Performance Parameter 15
- 1.6.3 Ceiling cassette 16
- 1.6.5 Specification 17
- 1.6.6 Specification 18
- 1.7 Operating Range 19
- 1.8 Refnet 19
- 1.8.2 Distributor kit 20
- 1.9 Outline of Indoor Units 21
- 1.9.2 MDB050T 22
- 1.9.3 MDB060T 22
- 1.9.5 MCM020T、MCM030T、MCM050T 23
- 1.9.6 Auxiliary heating coil 24
- 1.10 Outline of Outdoor Units 25
- 1.10.3 MDS060A(R) 26
- 1.10.5 MDS150B(R) 27
- 1.10.8 MDS280B(R)、MDS300B(R) 28
- 1.10.7 MDS260B(R) 28
- Units Control 29
- 2.3.3 Wire control panel 33
- 2.3.4 Outline dimension 33
- 2.3.5 Installation type 33
- ■ concealed installation 33
- 2.5 Network Central Control 36
- 2.6 Wiring Diagram 37
- ■ Model MCK025/030/040/050T 38
- ■ MCM020/030T 38
- ■ Model MCM050T 39
- ■ Model MDB050/060T 39
- ■ Model MDS030A 40
- ■ Model MDS030AR 40
- ■ Model MDS040AR 41
- ■ Model MDS040A 41
- ■ Model MDS050A 42
- ■ Model MDS050AR 42
- ■ Model MDS060A 43
- ■ Model MDS060AR 44
- ■ Model MDS080/100/120B 45
- ■ Model MDS080/100/120BR 45
- ■ Model MDS150B 46
- ■ Model MDS150BR 46
- ■ Model MDS180B 47
- ■ Model MDS180BR 47
- ■ Model MDS200/220/240B 48
- ■ MDS200/220/240BR 48
- ■ Model MDS260BR 49
- ■ Model MDS260/280/300BR 49
- ■ Model MDS280/300BR 50
- 2.7 Wiring Diagram 51
- 2.7.3 MDS080～240B/BR 52
- 2.7.4 MDS260～300B/BR 52
- 2.8 Electrical Date 53
- Selection 54
- 3.2 Indoor unit selection 56
- 3.4 Design of Air System 60
- 3.5 Refnet joint selection 65
- For MDS-A series 66
- For MDS-B series 66
- Y type 67
- Type: MDS-Y5 67
- Type：MDS-C2、MDS-C3 68
- Type : MDS-C1 68
- Installation 69
- 4.2 Outdoor unit installation 76
- ■ MDS030～060A/AR Units 77
- ■ MDS080～300B/BR 77
- The gas must be Nitrogen 85
- 6.4mm~25.4mm 10mm or more 90
- 28.6mm~38.1mm 15mm or more 90
- （Unit: mm） 91
- 5.1.1 MDS series indoor units 100
- Address settings (SW2.1 101
- Power setting（SW3.1 —— SW3.4） 102
- Reserve 102
- ( Figure 3 ) 104
- 5.2 Trial Run 107
- Servicing and Maintenance 108
- 6.2 Servicing and Maintenance 109
- C H A P T E R 113
- WWW.MCQUAY.COM 120
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