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ASR 401 AS
Stulz ASR 401 AS User Manual
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Instructions
Index
G17D
Issue 11.2015
CyberAir
3 PR
O
DX
ASR/ALR series
Precision Air
Conditioning Units
380-415/3/50
Original instructions
2
Table of Contents
Default Chapter
2
Table of Contents
2
Safety Instructions
3
Handling Refrigerants
3
Marking
3
Safety and Environmental Requirements
4
2 Residual Risks
5
3 Transport / Storage
7
Delivery of Units
7
4 Description
8
Type Code
8
Intended Use
9
Design
9
Function
9
5 Technical Data
10
Application Limits
10
Design Conditions for A/C Units
11
Adjustment of the Pressure Switches
11
Technical Data - ASR
12
Technical Data - ALR
13
Technical Data - ASR
14
Technical Data - ALR
15
Dimensional Drawings
16
6 Installation
17
Positioning
17
Bolting of Heat Exchanger Unit and Fan Unit
19
Connection of the Piping
20
Refrigerant Piping (A/AS Units)
20
Position of the Refrigerant Connections
20
A/C Units with Speed Controlled Compressor (as Version)
22
Oil Charge
22
Strength Pressure Test
23
Tightness/Pressure Test
23
Filling the Refrigerant Circuit
23
A/C Units with Speed Controlled Compressor
24
Crankcase Heater
25
Water Piping (GE/GES Units)
26
External Water Circuit
26
Condensate Drain Connection
28
Syphon Installation
29
Electrical Connection
32
Connection of Electric Cables in the Fan Unit
32
Insertion of the Power Supply Cable
37
7 Commissioning
40
Electrical Compartment
40
E-Box for A/C Units with Speed Controlled Compressor
41
Μpc Electronic Board
42
Operation of the Terminal PGD1
43
Menu Structure
44
Inverter (EC Compressor Driver)
47
Setting the Network Address
47
Inverter Connections
48
Maintenance Intervals
49
Safety Instructions
49
Refrigerant Charge - Quantity and Purity
50
Refrigerant Circuit
50
Air Circuit
51
Compressor
51
Expansion Valve
51
Heat Exchanger (Evaporator / GE-Coil)
51
Competences
52
Unit in General
52
Water Circuit
52
9 Malfunction
53
10 Dismantling and Disposal
54
11 Contents of the CE Declaration of Conformity
55
Steam Humidifier
57
Steam Generation
57
Drainage
57
Wiring Diagram of the Control Unit ECCM/S
59
Configuration of the Control Unit ECCM/S
60
General Unit Settings
60
Setting the Rotary Switch S1
60
Setting the Control Signal
60
Supply Connections
61
Water Supply
61
Water Drain
61
Function of the Display and Operating Elements on Control Unit ECCM/S
62
Function of the Leds in Info Mode
63
Manual Draining
63
Taking the Unit out of Operation
63
Fault Elimination
64
Fault Indication
64
Resetting the Maintenance Indication
64
Notes on Fault Elimination
64
Malfunction Lists
65
Replacement of Fine-Wire Fuse on the Control Unit ECCM/S
66
Resetting Fault Indication (Red LED Lights in Normal Operating Mode)
66
Reheat
67
Air Side Connection
69
Duct
69
Bag Filter Top
70
Adapter Plate with Damper or Flexible Connection
71
Raised Floor Stand
73
Minimum Distances and Mounting Instructions
73
Detail of Raised Floor Connection
73
Positioning of the Fan Unit on the Floor Stand
73
Drawings
74
Electrical Options
87
Three Phase Control
87
Second Power Supply
87
Compressor Softstart
87
Adjusting the Softstart Controller
88
Manual Override Board
90
Wiring Diagram of the Circuit Board
91
4
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Stulz ASR 401 AS Specifications
General
Cooling capacity
4.0 kW
Dimensions (H x W x D)
1990 x 900 x 500 mm
Weight
280 kg
Refrigerant
R410A
Air Flow Rate
800 m³/h
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